gcc/ChangeLog

   1 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
   2             Alan Hayward  <alan.hayward@arm.com>
   3             David Sherwood  <david.sherwood@arm.com>
   4
   5         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
   6         the mode argument to scalar_int_mode.
   7         (do_jump_by_parts_zero_rtx): Likewise.
   8         (do_jump_by_parts_equality_rtx): Likewise.
   9         (do_jump_by_parts_greater): Take a mode argument.
  10         (do_jump_by_parts_equality): Likewise.
  11         (do_jump_1): Update calls accordingly.
  12
  13 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
  14             Alan Hayward  <alan.hayward@arm.com>
  15             David Sherwood  <david.sherwood@arm.com>
  16
  17         * is-a.h (safe_dyn_cast): New function.
  18         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
  19         (jump_table_for_label): Likewise.
  20         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
  21         instead of an rtx_insn *.
  22         (shorten_branches): Use dyn_cast instead of LABEL_P and
  23         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
  24         rtx_jump_table_data::get_data_mode.
  25         (final_scan_insn): Likewise.
  26
  27 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
  28             Alan Hayward  <alan.hayward@arm.com>
  29             David Sherwood  <david.sherwood@arm.com>
  30
  31         * combine.c (try_combine): Use is_a <scalar_int_mode> when
  32         trying to combine a full-register integer set with a subreg
  33         integer set.
  34
  35 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
  36             Alan Hayward  <alan.hayward@arm.com>
  37             David Sherwood  <david.sherwood@arm.com>
  38
  39         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
  40         that is always either address_mode or pointer_mode.
  41
  42 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
  43             Alan Hayward  <alan.hayward@arm.com>
  44             David Sherwood  <david.sherwood@arm.com>
  45
  46         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
  47         when the two are known to be equal.
  48
  49 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
  50             Alan Hayward  <alan.hayward@arm.com>
  51             David Sherwood  <david.sherwood@arm.com>
  52
  53         * simplify-rtx.c (simplify_const_unary_operation): Use
  54         is_a <scalar_int_mode> instead of checking for a nonzero
  55         precision.  Forcibly convert op_mode to a scalar_int_mode
  56         in that case.  More clearly differentiate the operand and
  57         result modes and use the former when deciding what the value
  58         of a count-bits operation should be.  Use is_int_mode instead
  59         of checking for a MODE_INT.  Remove redundant check for whether
  60         this mode has a zero precision.
  61
  62 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
  63             Alan Hayward  <alan.hayward@arm.com>
  64             David Sherwood  <david.sherwood@arm.com>
  65
  66         * optabs.c (widen_leading): Change the type of the mode argument
  67         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
  68         (widen_bswap): Likewise.
  69         (expand_parity): Likewise.
  70         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
  71         (expand_ffs): Likewise.
  72         (epand_unop): Check for scalar integer modes before calling the
  73         above routines.
  74
  75 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
  76             Alan Hayward  <alan.hayward@arm.com>
  77             David Sherwood  <david.sherwood@arm.com>
  78
  79         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
  80         Expand commentary.
  81         (expand_expr_real_1): Update call accordingly.
  82
  83 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
  84             Alan Hayward  <alan.hayward@arm.com>
  85             David Sherwood  <david.sherwood@arm.com>
  86
  87         * expmed.c (store_bit_field_using_insv): Add op0_mode and
  88         value_mode arguments.  Use scalar_int_mode internally.
  89         (store_bit_field_1): Rename the new integer mode from imode
  90         to op0_mode and use it instead of GET_MODE (op0).  Update calls
  91         to store_split_bit_field, store_bit_field_using_insv and
  92         store_fixed_bit_field.
  93         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
  94         Use scalar_int_mode internally.  Use a bit count rather than a mode
  95         when calculating the largest bit size for get_best_mode.
  96         Update calls to store_split_bit_field and store_fixed_bit_field_1.
  97         (store_fixed_bit_field_1): Add mode and value_mode arguments.
  98         Remove assertion that OP0 has a scalar integer mode.
  99         (store_split_bit_field): Add op0_mode and value_mode arguments.
 100         Update calls to extract_fixed_bit_field.
 101         (extract_bit_field_using_extv): Add an op0_mode argument.
 102         Use scalar_int_mode internally.
 103         (extract_bit_field_1): Rename the new integer mode from imode to
 104         op0_mode and use it instead of GET_MODE (op0).  Update calls to
 105         extract_split_bit_field, extract_bit_field_using_extv and
 106         extract_fixed_bit_field.
 107         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
 108         to extract_split_bit_field and extract_fixed_bit_field_1.
 109         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
 110         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
 111         on the target mode.
 112         (extract_split_bit_field): Add an op0_mode argument.  Update call
 113         to extract_fixed_bit_field.
 114
 115 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 116             Alan Hayward  <alan.hayward@arm.com>
 117             David Sherwood  <david.sherwood@arm.com>
 118
 119         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
 120         * explow.c (hard_function_value): Likewise.
 121         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
 122         convert_to_mode call outside the loop.
 123         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
 124         for the mode iterator.  Require the mode specified by max_pieces
 125         to exist.
 126         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
 127         mode iterator.
 128         (copy_blkmode_to_reg): Likewise.
 129         (set_storage_via_setmem): Likewise.
 130         * optabs.c (prepare_cmp_insn): Likewise.
 131         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
 132         * stor-layout.c (finish_bitfield_representative): Likewise.
 133
 134 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 135             Alan Hayward  <alan.hayward@arm.com>
 136             David Sherwood  <david.sherwood@arm.com>
 137
 138         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
 139         * expr.c (convert_move): Use them.
 140         (convert_modes): Likewise.
 141         (store_expr_with_bounds): Likewise.
 142
 143 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 144             Alan Hayward  <alan.hayward@arm.com>
 145             David Sherwood  <david.sherwood@arm.com>
 146
 147         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
 148         parameter for the mode of "x".  Remove the "known_x", "known_mode"
 149         and "known_ret" arguments.  Change the type of the mode argument
 150         to scalar_int_mode.
 151         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
 152         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
 153         (reg_num_sign_bit_copies_for_combine): Likewise.
 154         * rtlanal.c (nonzero_bits1): Likewise.
 155         (num_sign_bit_copies1): Likewise.
 156         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
 157         (reg_num_sign_bit_copies_general): Likewise.
 158         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
 159         (reg_nonzero_bits_general): Likewise.
 160
 161 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 162             Alan Hayward  <alan.hayward@arm.com>
 163             David Sherwood  <david.sherwood@arm.com>
 164
 165         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
 166         than in subroutines.  Return 1 for non-integer modes.
 167         (cached_num_sign_bit_copies): Change the type of the mode parameter
 168         to scalar_int_mode.
 169         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
 170         classes.  Handle CONST_INT_P first and then check whether X also
 171         has a scalar integer mode.  Check the same thing for inner registers
 172         of a SUBREG and for values that are being extended or truncated.
 173
 174 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 175             Alan Hayward  <alan.hayward@arm.com>
 176             David Sherwood  <david.sherwood@arm.com>
 177
 178         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
 179         in subroutines.  Return the mode mask for non-integer modes.
 180         (cached_nonzero_bits): Change the type of the mode parameter
 181         to scalar_int_mode.
 182         (nonzero_bits1): Likewise.  Remove early exit for other mode
 183         classes.  Handle CONST_INT_P first and then check whether X
 184         also has a scalar integer mode.
 185
 186 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 187             Alan Hayward  <alan.hayward@arm.com>
 188             David Sherwood  <david.sherwood@arm.com>
 189
 190         * combine.c (extract_left_shift): Add a mode argument and update
 191         recursive calls.
 192         (make_compound_operation_int): Change the type of the mode parameter
 193         to scalar_int_mode and update the call to extract_left_shift.
 194
 195 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 196             Alan Hayward  <alan.hayward@arm.com>
 197             David Sherwood  <david.sherwood@arm.com>
 198
 199         * combine.c (simplify_and_const_int): Change the type of the mode
 200         parameter to scalar_int_mode.
 201         (simplify_and_const_int_1): Likewise.  Update recursive call.
 202
 203 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 204             Alan Hayward  <alan.hayward@arm.com>
 205             David Sherwood  <david.sherwood@arm.com>
 206
 207         * combine.c (simplify_compare_const): Check that the mode is a
 208         scalar_int_mode (rather than VOIDmode) before testing its
 209         precision.
 210         (simplify_comparison): Move COMPARISON_P handling out of the
 211         loop and restrict the latter part of the loop to scalar_int_modes.
 212         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
 213         and when considering SUBREG_REGs.  Use is_int_mode instead of
 214         checking GET_MODE_CLASS against MODE_INT.
 215
 216 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 217             Alan Hayward  <alan.hayward@arm.com>
 218             David Sherwood  <david.sherwood@arm.com>
 219
 220         * combine.c (try_widen_shift_mode): Move check for equal modes to...
 221         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
 222         shift_unit_mode and for modes involved in scalar shifts.
 223
 224 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 225             Alan Hayward  <alan.hayward@arm.com>
 226             David Sherwood  <david.sherwood@arm.com>
 227
 228         * combine.c (force_int_to_mode): New function, split out from...
 229         (force_to_mode): ...here.  Keep xmode up-to-date and use it
 230         instead of GET_MODE (x).
 231
 232 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 233             Alan Hayward  <alan.hayward@arm.com>
 234             David Sherwood  <david.sherwood@arm.com>
 235
 236         * optabs-query.h (extraction_insn::struct_mode): Change type to
 237         opt_scalar_int_mode and update comment.
 238         (extraction_insn::field_mode): Change type to scalar_int_mode.
 239         (extraction_insn::pos_mode): Likewise.
 240         * combine.c (make_extraction): Update accordingly.
 241         * optabs-query.c (get_traditional_extraction_insn): Likewise.
 242         (get_optab_extraction_insn): Likewise.
 243         * recog.c (simplify_while_replacing): Likewise.
 244         * expmed.c (narrow_bit_field_mem): Change the type of the mode
 245         parameter to opt_scalar_int_mode.
 246
 247 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 248             Alan Hayward  <alan.hayward@arm.com>
 249             David Sherwood  <david.sherwood@arm.com>
 250
 251         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
 252         to a scalar_int_mode instead of a machine_mode.
 253         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
 254         (get_best_mode): Return a boolean and use a pointer argument to store
 255         the selected mode.  Replace the limit mode parameter with a bit limit.
 256         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
 257         for the values returned by bit_field_mode_iterator::next_mode.
 258         (store_bit_field): Update call to get_best_mode.
 259         (store_fixed_bit_field): Likewise.
 260         (extract_fixed_bit_field): Likewise.
 261         * expr.c (optimize_bitfield_assignment_op): Likewise.
 262         * fold-const.c (optimize_bit_field_compare): Likewise.
 263         (fold_truth_andor_1): Likewise.
 264         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
 265         Update for new type of m_mode.
 266         (get_best_mode): As above.
 267
 268 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 269             Alan Hayward  <alan.hayward@arm.com>
 270             David Sherwood  <david.sherwood@arm.com>
 271
 272         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
 273         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
 274         (store_bit_field): Check is_a <scalar_int_mode> before calling
 275         strict_volatile_bitfield_p.
 276         (extract_bit_field): Likewise.
 277
 278 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 279             Alan Hayward  <alan.hayward@arm.com>
 280             David Sherwood  <david.sherwood@arm.com>
 281
 282         * target.def (cstore_mode): Return a scalar_int_mode.
 283         * doc/tm.texi: Regenerate.
 284         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
 285         * targhooks.h (default_cstore_mode): Likewise.
 286         * targhooks.c (default_cstore_mode): Likewise, using a forced
 287         conversion.
 288         * expmed.c (emit_cstore): Expect the target of the cstore to be
 289         a scalar_int_mode.
 290
 291 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 292             Alan Hayward  <alan.hayward@arm.com>
 293             David Sherwood  <david.sherwood@arm.com>
 294
 295         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
 296         * builtins.c (expand_builtin_signbit): Use it.
 297         * cfgexpand.c (expand_debug_expr): Likewise.
 298         * dojump.c (do_jump): Likewise.
 299         (do_compare_and_jump): Likewise.
 300         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
 301         * expmed.c (make_tree): Likewise.
 302         * expr.c (expand_expr_real_2): Likewise.
 303         (expand_expr_real_1): Likewise.
 304         (try_casesi): Likewise.
 305         * fold-const-call.c (fold_const_call_ss): Likewise.
 306         * fold-const.c (unextend): Likewise.
 307         (extract_muldiv_1): Likewise.
 308         (fold_single_bit_test): Likewise.
 309         (native_encode_int): Likewise.
 310         (native_encode_string): Likewise.
 311         (native_interpret_int): Likewise.
 312         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
 313         * internal-fn.c (expand_addsub_overflow): Likewise.
 314         (expand_neg_overflow): Likewise.
 315         (expand_mul_overflow): Likewise.
 316         (expand_arith_overflow): Likewise.
 317         * match.pd: Likewise.
 318         * stor-layout.c (layout_type): Likewise.
 319         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
 320         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
 321         * tree-ssanames.c (get_range_info): Likewise.
 322         * tree-switch-conversion.c (array_value_type) Likewise.
 323         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
 324         (vect_recog_divmod_pattern): Likewise.
 325         (vect_recog_mixed_size_cond_pattern): Likewise.
 326         * tree-vrp.c (extract_range_basic): Likewise.
 327         (simplify_float_conversion_using_ranges): Likewise.
 328         * tree.c (int_fits_type_p): Likewise.
 329         * ubsan.c (instrument_bool_enum_load): Likewise.
 330         * varasm.c (mergeable_string_section): Likewise.
 331         (narrowing_initializer_constant_valid_p): Likewise.
 332         (output_constant): Likewise.
 333
 334 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 335             Alan Hayward  <alan.hayward@arm.com>
 336             David Sherwood  <david.sherwood@arm.com>
 337
 338         * machmode.h (NARROWEST_INT_MODE): New macro.
 339         * expr.c (alignment_for_piecewise_move): Use it instead of
 340         GET_CLASS_NARROWEST_MODE (MODE_INT).
 341         (push_block): Likewise.
 342         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
 343         Likewise.
 344         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
 345
 346 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 347             Alan Hayward  <alan.hayward@arm.com>
 348             David Sherwood  <david.sherwood@arm.com>
 349
 350         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
 351         double-word mode.
 352         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
 353         * optabs.c (expand_unop): Likewise.
 354
 355 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 356             Alan Hayward  <alan.hayward@arm.com>
 357             David Sherwood  <david.sherwood@arm.com>
 358
 359         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
 360         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
 361         (popcount_loc_descriptor): Likewise.
 362         (bswap_loc_descriptor): Likewise.
 363         (rotate_loc_descriptor): Likewise.
 364         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
 365         calling the functions above.
 366
 367 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 368             Alan Hayward  <alan.hayward@arm.com>
 369             David Sherwood  <david.sherwood@arm.com>
 370
 371         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
 372         checks.
 373         (try_combine): Likewise.
 374         (simplify_if_then_else): Likewise.
 375         * cse.c (cse_insn): Likewise.
 376         * dwarf2out.c (mem_loc_descriptor): Likewise.
 377         * emit-rtl.c (gen_lowpart_common): Likewise.
 378         * simplify-rtx.c (simplify_truncation): Likewise.
 379         (simplify_binary_operation_1): Likewise.
 380         (simplify_const_relational_operation): Likewise.
 381         (simplify_ternary_operation): Likewise.
 382         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
 383
 384 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 385             Alan Hayward  <alan.hayward@arm.com>
 386             David Sherwood  <david.sherwood@arm.com>
 387
 388         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
 389         * reload.c (push_reload): Likewise.
 390         (find_reloads): Likewise.
 391
 392 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 393             Alan Hayward  <alan.hayward@arm.com>
 394             David Sherwood  <david.sherwood@arm.com>
 395
 396         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
 397         (make_compound_operation_int): Likewise.
 398         (change_zero_ext): Likewise.
 399         * expr.c (convert_move): Likewise.
 400         (convert_modes): Likewise.
 401         * fwprop.c (forward_propagate_subreg): Likewise.
 402         * loop-iv.c (get_biv_step_1): Likewise.
 403         * optabs.c (widen_operand): Likewise.
 404         * postreload.c (move2add_valid_value_p): Likewise.
 405         * recog.c (simplify_while_replacing): Likewise.
 406         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
 407         (simplify_binary_operation_1): Likewise.  Remove redundant
 408         mode equality check.
 409
 410 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 411             Alan Hayward  <alan.hayward@arm.com>
 412             David Sherwood  <david.sherwood@arm.com>
 413
 414         * combine.c (combine_simplify_rtx): Add checks for
 415         is_a <scalar_int_mode>.
 416         (simplify_if_then_else): Likewise.
 417         (make_field_assignment): Likewise.
 418         (simplify_comparison): Likewise.
 419         * ifcvt.c (noce_try_bitop): Likewise.
 420         * loop-invariant.c (canonicalize_address_mult): Likewise.
 421         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
 422
 423 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 424             Alan Hayward  <alan.hayward@arm.com>
 425             David Sherwood  <david.sherwood@arm.com>
 426
 427         * simplify-rtx.c (simplify_binary_operation_1): Use
 428         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
 429
 430 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 431             Alan Hayward  <alan.hayward@arm.com>
 432             David Sherwood  <david.sherwood@arm.com>
 433
 434         * wide-int.h (int_traits<unsigned char>) New class.
 435         (int_traits<unsigned short>) Likewise.
 436         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
 437         Use GET_MODE_UNIT_PRECISION and remove redundant test for
 438         SCALAR_INT_MODE_P.
 439         * combine.c (set_nonzero_bits_and_sign_copies): Use
 440         is_a <scalar_int_mode>.
 441         (find_split_point): Likewise.
 442         (combine_simplify_rtx): Likewise.
 443         (simplify_logical): Likewise.
 444         (expand_compound_operation): Likewise.
 445         (expand_field_assignment): Likewise.
 446         (make_compound_operation): Likewise.
 447         (extended_count): Likewise.
 448         (change_zero_ext): Likewise.
 449         (simplify_comparison): Likewise.
 450         * dwarf2out.c (scompare_loc_descriptor): Likewise.
 451         (ucompare_loc_descriptor): Likewise.
 452         (minmax_loc_descriptor): Likewise.
 453         (mem_loc_descriptor): Likewise.
 454         (loc_descriptor): Likewise.
 455         * expmed.c (init_expmed_one_mode): Likewise.
 456         * lra-constraints.c (lra_constraint_offset): Likewise.
 457         * optabs.c (prepare_libcall_arg): Likewise.
 458         * postreload.c (move2add_note_store): Likewise.
 459         * reload.c (operands_match_p): Likewise.
 460         * rtl.h (load_extend_op): Likewise.
 461         * rtlhooks.c (gen_lowpart_general): Likewise.
 462         * simplify-rtx.c (simplify_truncation): Likewise.
 463         (simplify_unary_operation_1): Likewise.
 464         (simplify_binary_operation_1): Likewise.
 465         (simplify_const_binary_operation): Likewise.
 466         (simplify_const_relational_operation): Likewise.
 467         (simplify_subreg): Likewise.
 468         * stor-layout.c (bitwise_mode_for_mode): Likewise.
 469         * var-tracking.c (adjust_mems): Likewise.
 470         (prepare_call_arguments): Likewise.
 471
 472 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 473             Alan Hayward  <alan.hayward@arm.com>
 474             David Sherwood  <david.sherwood@arm.com>
 475
 476         * machmode.h (is_int_mode): New fuction.
 477         * combine.c (find_split_point): Use it.
 478         (combine_simplify_rtx): Likewise.
 479         (simplify_if_then_else): Likewise.
 480         (simplify_set): Likewise.
 481         (simplify_shift_const_1): Likewise.
 482         (simplify_comparison): Likewise.
 483         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
 484         * cse.c (notreg_cost): Likewise.
 485         (cse_insn): Likewise.
 486         * cselib.c (cselib_lookup_1): Likewise.
 487         * dojump.c (do_jump_1): Likewise.
 488         (do_compare_rtx_and_jump): Likewise.
 489         * dse.c (get_call_args): Likewise.
 490         * dwarf2out.c (rtl_for_decl_init): Likewise.
 491         (native_encode_initializer): Likewise.
 492         * expmed.c (emit_store_flag_1): Likewise.
 493         (emit_store_flag): Likewise.
 494         * expr.c (convert_modes): Likewise.
 495         (store_field): Likewise.
 496         (expand_expr_real_1): Likewise.
 497         * fold-const.c (fold_read_from_constant_string): Likewise.
 498         * gimple-ssa-sprintf.c (get_format_string): Likewise.
 499         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
 500         * optabs.c (expand_binop): Likewise.
 501         (expand_unop): Likewise.
 502         (expand_abs_nojump): Likewise.
 503         (expand_one_cmpl_abs_nojump): Likewise.
 504         * simplify-rtx.c (mode_signbit_p): Likewise.
 505         (val_signbit_p): Likewise.
 506         (val_signbit_known_set_p): Likewise.
 507         (val_signbit_known_clear_p): Likewise.
 508         (simplify_relational_operation_1): Likewise.
 509         * tree.c (vector_type_mode): Likewise.
 510
 511 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 512             Alan Hayward  <alan.hayward@arm.com>
 513             David Sherwood  <david.sherwood@arm.com>
 514
 515         * machmode.h (smallest_mode_for_size): Fix formatting.
 516         (smallest_int_mode_for_size): New function.
 517         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
 518         instead of smallest_mode_for_size.
 519         * combine.c (make_extraction): Likewise.
 520         * config/arc/arc.c (arc_expand_movmem): Likewise.
 521         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
 522         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
 523         * config/s390/s390.c (s390_expand_insv): Likewise.
 524         * config/sparc/sparc.c (assign_int_registers): Likewise.
 525         * config/spu/spu.c (spu_function_value): Likewise.
 526         (spu_function_arg): Likewise.
 527         * coverage.c (get_gcov_type): Likewise.
 528         (get_gcov_unsigned_t): Likewise.
 529         * dse.c (find_shift_sequence): Likewise.
 530         * expmed.c (store_bit_field_1): Likewise.
 531         * expr.c (convert_move): Likewise.
 532         (store_field): Likewise.
 533         * internal-fn.c (expand_arith_overflow): Likewise.
 534         * optabs-query.c (get_best_extraction_insn): Likewise.
 535         * optabs.c (expand_twoval_binop_libfunc): Likewise.
 536         * stor-layout.c (layout_type): Likewise.
 537         (initialize_sizetypes): Likewise.
 538         * targhooks.c (default_get_mask_mode): Likewise.
 539         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
 540
 541 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 542             Alan Hayward  <alan.hayward@arm.com>
 543             David Sherwood  <david.sherwood@arm.com>
 544
 545         * machmode.h (opt_mode::else_blk): New function.
 546         (int_mode_for_mode): Declare.
 547         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
 548         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
 549         return type.
 550         * cfgexpand.c (expand_debug_expr): Likewise.
 551         * combine.c (gen_lowpart_or_truncate): Likewise.
 552         (gen_lowpart_for_combine): Likewise.
 553         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
 554         * config/avr/avr.c (avr_to_int_mode): Likewise.
 555         (avr_out_plus_1): Likewise.
 556         (avr_out_plus): Likewise.
 557         (avr_out_round): Likewise.
 558         * config/i386/i386.c (ix86_split_to_parts): Likewise.
 559         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
 560         (s390_expand_vcond): Likewise.
 561         * config/spu/spu.c (spu_split_immediate): Likewise.
 562         (spu_expand_mov): Likewise.
 563         * dse.c (get_stored_val): Likewise.
 564         * expmed.c (store_bit_field_1): Likewise.
 565         (convert_extracted_bit_field): Use int_mode_for_mode instead of
 566         int_mode_for_size.
 567         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
 568         (extract_low_bits): Likewise.
 569         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
 570         handling rather than repeating the check.
 571         (emit_group_store): Likewise.
 572         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
 573         * optabs.c (expand_absneg_bit): Likewise.
 574         (expand_copysign_absneg): Likewise.
 575         (expand_copysign_bit): Likewise.
 576         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
 577         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
 578         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
 579         * var-tracking.c (prepare_call_arguments):  Likewise.
 580         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
 581         int_mode_for_mode instead of mode_for_size.
 582         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
 583
 584 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 585             Alan Hayward  <alan.hayward@arm.com>
 586             David Sherwood  <david.sherwood@arm.com>
 587
 588         * machmode.h (int_mode_for_size): New function.
 589         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
 590         instead of mode_for_size.
 591         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
 592         explicit.
 593         * combine.c (expand_field_assignment): Use int_mode_for_size
 594         instead of mode_for_size.
 595         (make_extraction): Likewise.
 596         (simplify_shift_const_1): Likewise.
 597         (simplify_comparison): Likewise.
 598         * dojump.c (do_jump): Likewise.
 599         * dwarf2out.c (mem_loc_descriptor): Likewise.
 600         * emit-rtl.c (init_derived_machine_modes): Likewise.
 601         * expmed.c (flip_storage_order): Likewise.
 602         (convert_extracted_bit_field): Likewise.
 603         * expr.c (copy_blkmode_from_reg): Likewise.
 604         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
 605         * internal-fn.c (expand_mul_overflow): Likewise.
 606         * lower-subreg.c (simple_move): Likewise.
 607         * optabs-libfuncs.c (init_optabs): Likewise.
 608         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
 609         * tree.c (vector_type_mode): Likewise.
 610         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
 611         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
 612         * tree-vect-generic.c (expand_vector_parallel): Likewise.
 613         * tree-vect-stmts.c (vectorizable_load): Likewise.
 614         (vectorizable_store): Likewise.
 615
 616 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 617             Alan Hayward  <alan.hayward@arm.com>
 618             David Sherwood  <david.sherwood@arm.com>
 619
 620         * coretypes.h (pod_mode): New type.
 621         (scalar_int_mode_pod): New typedef.
 622         * machmode.h (pod_mode): New class.
 623         (int_n_data_t::m): Change type to scalar_int_mode_pod.
 624         * genmodes.c (emit_mode_int_n): Update accordingly.
 625         * lower-subreg.h (target_lower_subreg): Change type to
 626         scalar_int_mode_pod.
 627         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
 628         scalar_int_mode_pod.
 629
 630 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 631             Alan Hayward  <alan.hayward@arm.com>
 632             David Sherwood  <david.sherwood@arm.com>
 633
 634         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
 635         machine_mode to scalar_int_mode.
 636         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
 637         (rs6000_option_override_internal): Remove cast to int.
 638         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
 639         machine_mode to scalar_int_mode.
 640         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
 641         (rs6000_option_override_internal): Remove cast to int.
 642         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
 643         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
 644         to machine_mode.
 645         * config/s390/s390.c (s390_expand_builtin): Likewise.
 646         * coretypes.h (scalar_int_mode): New type.
 647         (opt_scalar_int_mode): New typedef.
 648         * machmode.h (scalar_int_mode): New class.
 649         (scalar_int_mode::includes_p): New function.
 650         (byte_mode): Change type to scalar_int_mode.
 651         (word_mode): Likewise.
 652         (ptr_mode): Likewise.
 653         * emit-rtl.c (byte_mode): Likewise.
 654         (word_mode): Likewise.
 655         (ptr_mode): Likewise.
 656         (init_derived_machine_modes): Update accordingly.
 657         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
 658         and MODE_PARTIAL_INT.
 659         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
 660         opt_scalar_int_mode.
 661
 662 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 663             Alan Hayward  <alan.hayward@arm.com>
 664             David Sherwood  <david.sherwood@arm.com>
 665
 666         * target.def (libgcc_floating_mode_supported_p): Take a
 667         scalar_float_mode.
 668         * doc/tm.texi: Regenerate.
 669         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
 670         scalar_float_mode.
 671         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
 672         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
 673         Likewise.
 674
 675 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 676             Alan Hayward  <alan.hayward@arm.com>
 677             David Sherwood  <david.sherwood@arm.com>
 678
 679         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
 680         * doc/tm.texi: Regenerate.
 681         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
 682         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
 683         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
 684         * targhooks.h (default_floatn_mode): Likewise.
 685         * targhooks.c (default_floatn_mode): Likewise.
 686         * tree.c (build_common_tree_nodes): Update accordingly.
 687
 688 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 689             Alan Hayward  <alan.hayward@arm.com>
 690             David Sherwood  <david.sherwood@arm.com>
 691
 692         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
 693         (mode_iterator::iterate_p): Likewise.
 694         (mode_iterator::get_wider): Likewise.
 695         * expr.c (init_expr_target): Use opt_scalar_float_mode.
 696
 697 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 698             Alan Hayward  <alan.hayward@arm.com>
 699             David Sherwood  <david.sherwood@arm.com>
 700
 701         * coretypes.h (opt_scalar_float_mode): New typedef.
 702         * machmode.h (float_mode_for_size): New function.
 703         * emit-rtl.c (double_mode): Delete.
 704         (init_emit_once): Use float_mode_for_size.
 705         * stor-layout.c (layout_type): Likewise.
 706         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
 707
 708 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 709             Alan Hayward  <alan.hayward@arm.com>
 710             David Sherwood  <david.sherwood@arm.com>
 711
 712         * output.h (assemble_real): Take a scalar_float_mode.
 713         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
 714         * config/arm/arm.md (consttable_4): Likewise.
 715         (consttable_8): Likewise.
 716         (consttable_16): Likewise.
 717         * config/mips/mips.md (consttable_float): Likewise.
 718         * config/s390/s390.c (s390_output_pool_entry): Likewise.
 719         * varasm.c (assemble_real): Take a scalar_float_mode.
 720         (output_constant_pool_2): Update accordingly.
 721         (output_constant): Likewise.
 722
 723 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 724             Alan Hayward  <alan.hayward@arm.com>
 725             David Sherwood  <david.sherwood@arm.com>
 726
 727         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
 728         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
 729         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
 730         (native_encode_real): Likewise.
 731         (native_interpret_real): Likewise.
 732         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
 733         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
 734
 735 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 736             Alan Hayward  <alan.hayward@arm.com>
 737             David Sherwood  <david.sherwood@arm.com>
 738
 739         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
 740         <scalar_float_mode>.  Simplify.
 741         (gen_extend_conv_libfunc): Likewise.
 742
 743 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 744             Alan Hayward  <alan.hayward@arm.com>
 745             David Sherwood  <david.sherwood@arm.com>
 746
 747         * coretypes.h (scalar_float_mode): New type.
 748         * machmode.h (mode_traits::from_int): Use machine_mode if
 749         USE_ENUM_MODES is defined.
 750         (is_a): New function.
 751         (as_a): Likewise.
 752         (dyn_cast): Likewise.
 753         (scalar_float_mode): New class.
 754         (scalar_float_mode::includes_p): New function.
 755         (is_float_mode): Likewise.
 756         * gdbhooks.py (MachineModePrinter): New class.
 757         (build_pretty_printer): Use it for scalar_float_mode.
 758         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
 759         (format_helper::format_helper): Turn into a template.
 760         * genmodes.c (get_mode_class): New function.
 761         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
 762         or machine_mode if none.
 763         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
 764         as_a <scalar_float_mode>.
 765         * dwarf2out.c (mem_loc_descriptor): Likewise.
 766         (insert_float): Likewise.
 767         (add_const_value_attribute): Likewise.
 768         * simplify-rtx.c (simplify_immed_subreg): Likewise.
 769         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
 770         (expand_unop): Update accordingly.
 771         (expand_abs_nojump): Likewise.
 772         (expand_copysign_absneg): Take a scalar_float_mode.
 773         (expand_copysign_bit): Likewise.
 774         (expand_copysign): Update accordingly.
 775
 776 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 777             Alan Hayward  <alan.hayward@arm.com>
 778             David Sherwood  <david.sherwood@arm.com>
 779
 780         * coretypes.h (opt_mode): New class.
 781         * machmode.h (opt_mode): Likewise.
 782         (opt_mode::else_void): New function.
 783         (opt_mode::require): Likewise.
 784         (opt_mode::exists): Likewise.
 785         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
 786         (GET_MODE_2XWIDER_MODE): Likewise.
 787         (mode_iterator::get_wider): Update accordingly.
 788         (mode_iterator::get_2xwider): Likewise.
 789         (mode_iterator::get_known_wider): Likewise, turning into a template.
 790         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
 791         forcing a wider mode to exist.
 792         * config/cr16/cr16.h (LONG_REG_P): Likewise.
 793         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
 794         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
 795         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
 796         * lower-subreg.c (init_lower_subreg): Likewise.
 797         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
 798         on the final iteration.
 799         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
 800         a wider mode exists before asking for a move pattern.
 801         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
 802         forcing a wider mode to exist.
 803         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
 804         returning false if no such mode exists.
 805         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
 806         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
 807         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
 808         Avoid checking for a MODE_INT if we already know the mode is not a
 809         SCALAR_INT_MODE_P.
 810         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
 811         forcing a wider mode to exist.
 812         (expmed_mult_highpart_optab): Likewise.
 813         (expmed_mult_highpart): Likewise.
 814         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
 815         using else_void.
 816         * lto-streamer-in.c (lto_input_mode_table): Likewise.
 817         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
 818         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
 819         * internal-fn.c (expand_mul_overflow): Update use of
 820         GET_MODE_2XWIDER_MODE.
 821         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 822         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
 823         GET_MODE_WIDER_MODE.
 824         (convert_plusminus_to_widen): Likewise.
 825         * tree-switch-conversion.c (array_value_type): Likewise.
 826         * var-tracking.c (emit_note_insn_var_location): Likewise.
 827         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
 828         Return false inside rather than outside the loop if no wider mode
 829         exists
 830         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
 831         and GET_MODE_2XWIDER_MODE
 832         (can_compare_p): Use else_void.
 833         * gdbhooks.py (OptMachineModePrinter): New class.
 834         (build_pretty_printer): Use it for opt_mode.
 835
 836 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 837             Alan Hayward  <alan.hayward@arm.com>
 838             David Sherwood  <david.sherwood@arm.com>
 839
 840         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
 841         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
 842
 843 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 844             Alan Hayward  <alan.hayward@arm.com>
 845             David Sherwood  <david.sherwood@arm.com>
 846
 847         * machmode.h (mode_traits): New structure.
 848         (get_narrowest_mode): New function.
 849         (mode_iterator::start): Likewise.
 850         (mode_iterator::iterate_p): Likewise.
 851         (mode_iterator::get_wider): Likewise.
 852         (mode_iterator::get_known_wider): Likewise.
 853         (mode_iterator::get_2xwider): Likewise.
 854         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
 855         (FOR_EACH_MODE): Likewise.
 856         (FOR_EACH_MODE_FROM): Likewise.
 857         (FOR_EACH_MODE_UNTIL): Likewise.
 858         (FOR_EACH_WIDER_MODE): Likewise.
 859         (FOR_EACH_2XWIDER_MODE): Likewise.
 860         * builtins.c (expand_builtin_strlen): Use new mode iterators.
 861         * combine.c (simplify_comparison): Likewise
 862         * config/i386/i386.c (type_natural_mode): Likewise.
 863         * cse.c (cse_insn): Likewise.
 864         * dse.c (find_shift_sequence): Likewise.
 865         * emit-rtl.c (init_derived_machine_modes): Likewise.
 866         (init_emit_once): Likewise.
 867         * explow.c (hard_function_value): Likewise.
 868         * expmed.c (extract_fixed_bit_field_1): Likewise.
 869         (extract_bit_field_1): Likewise.
 870         (expand_divmod): Likewise.
 871         (emit_store_flag_1): Likewise.
 872         * expr.c (init_expr_target): Likewise.
 873         (convert_move): Likewise.
 874         (alignment_for_piecewise_move): Likewise.
 875         (widest_int_mode_for_size): Likewise.
 876         (emit_block_move_via_movmem): Likewise.
 877         (copy_blkmode_to_reg): Likewise.
 878         (set_storage_via_setmem): Likewise.
 879         (compress_float_constant): Likewise.
 880         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 881         * optabs-query.c (get_best_extraction_insn): Likewise.
 882         * optabs.c (expand_binop): Likewise.
 883         (expand_twoval_unop): Likewise.
 884         (expand_twoval_binop): Likewise.
 885         (widen_leading): Likewise.
 886         (widen_bswap): Likewise.
 887         (expand_parity): Likewise.
 888         (expand_unop): Likewise.
 889         (prepare_cmp_insn): Likewise.
 890         (prepare_float_lib_cmp): Likewise.
 891         (expand_float): Likewise.
 892         (expand_fix): Likewise.
 893         (expand_sfix_optab): Likewise.
 894         * postreload.c (move2add_use_add2_insn): Likewise.
 895         * reg-stack.c (reg_to_stack): Likewise.
 896         * reginfo.c (choose_hard_reg_mode): Likewise.
 897         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
 898         * stor-layout.c (mode_for_size): Likewise.
 899         (smallest_mode_for_size): Likewise.
 900         (mode_for_vector): Likewise.
 901         (finish_bitfield_representative): Likewise.
 902         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
 903         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
 904         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
 905         * var-tracking.c (prepare_call_arguments): Likewise.
 906
 907 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 908             Alan Hayward  <alan.hayward@arm.com>
 909             David Sherwood  <david.sherwood@arm.com>
 910
 911         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
 912         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
 913         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
 914         * machmode.h (mode_size): Move earlier in file.
 915         (mode_precision): Likewise.
 916         (mode_inner): Likewise.
 917         (mode_nunits): Likewise.
 918         (mode_unit_size): Likewise.
 919         (unit_unit_precision): Likewise.
 920         (mode_wider): Likewise.
 921         (mode_2xwider): Likewise.
 922         (machine_mode): New class.
 923         (mode_to_bytes): New function.
 924         (mode_to_bits): Likewise.
 925         (mode_to_precision): Likewise.
 926         (mode_to_inner): Likewise.
 927         (mode_to_unit_size): Likewise.
 928         (mode_to_unit_precision): Likewise.
 929         (mode_to_nunits): Likewise.
 930         (GET_MODE_SIZE): Use mode_to_bytes.
 931         (GET_MODE_BITSIZE): Use mode_to_bits.
 932         (GET_MODE_PRECISION): Use mode_to_precision.
 933         (GET_MODE_INNER): Use mode_to_inner.
 934         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
 935         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
 936         (GET_MODE_NUNITS): Use mode_to_nunits.
 937         * system.h (ALWAYS_INLINE): New macro.
 938         * config/powerpcspe/powerpcspe-c.c
 939         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
 940         int for arg1_mode and arg2_mode.
 941
 942 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
 943             Alan Hayward  <alan.hayward@arm.com>
 944             David Sherwood  <david.sherwood@arm.com>
 945
 946         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
 947         Prefix mode names with E_ in case statements.
 948         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
 949         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
 950         (aarch64_split_simd_move): Likewise.
 951         (aarch64_gen_storewb_pair): Likewise.
 952         (aarch64_gen_loadwb_pair): Likewise.
 953         (aarch64_gen_store_pair): Likewise.
 954         (aarch64_gen_load_pair): Likewise.
 955         (aarch64_get_condition_code_1): Likewise.
 956         (aarch64_constant_pool_reload_icode): Likewise.
 957         (get_rsqrte_type): Likewise.
 958         (get_rsqrts_type): Likewise.
 959         (get_recpe_type): Likewise.
 960         (get_recps_type): Likewise.
 961         (aarch64_gimplify_va_arg_expr): Likewise.
 962         (aarch64_simd_container_mode): Likewise.
 963         (aarch64_emit_load_exclusive): Likewise.
 964         (aarch64_emit_store_exclusive): Likewise.
 965         (aarch64_expand_compare_and_swap): Likewise.
 966         (aarch64_gen_atomic_cas): Likewise.
 967         (aarch64_emit_bic): Likewise.
 968         (aarch64_emit_atomic_swap): Likewise.
 969         (aarch64_emit_atomic_load_op): Likewise.
 970         (aarch64_evpc_trn): Likewise.
 971         (aarch64_evpc_uzp): Likewise.
 972         (aarch64_evpc_zip): Likewise.
 973         (aarch64_evpc_ext): Likewise.
 974         (aarch64_evpc_rev): Likewise.
 975         (aarch64_evpc_dup): Likewise.
 976         (aarch64_gen_ccmp_first): Likewise.
 977         (aarch64_gen_ccmp_next): Likewise.
 978         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
 979         (alpha_emit_xfloating_libcall): Likewise.
 980         (emit_insxl): Likewise.
 981         (alpha_arg_type): Likewise.
 982         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
 983         (arc_preferred_simd_mode): Likewise.
 984         (arc_secondary_reload): Likewise.
 985         (get_arc_condition_code): Likewise.
 986         (arc_print_operand): Likewise.
 987         (arc_legitimate_constant_p): Likewise.
 988         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
 989         * config/arc/arc.md (casesi_load): Likewise.
 990         (casesi_compact_jump): Likewise.
 991         * config/arc/predicates.md (proper_comparison_operator): Likewise.
 992         (cc_use_register): Likewise.
 993         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
 994         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
 995         (arm_init_iwmmxt_builtins): Likewise.
 996         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
 997         (neon_expand_vector_init): Likewise.
 998         (arm_attr_length_move_neon): Likewise.
 999         (maybe_get_arm_condition_code): Likewise.
1000         (arm_emit_vector_const): Likewise.
1001         (arm_preferred_simd_mode): Likewise.
1002         (arm_output_iwmmxt_tinsr): Likewise.
1003         (thumb1_output_casesi): Likewise.
1004         (thumb2_output_casesi): Likewise.
1005         (arm_emit_load_exclusive): Likewise.
1006         (arm_emit_store_exclusive): Likewise.
1007         (arm_expand_compare_and_swap): Likewise.
1008         (arm_evpc_neon_vuzp): Likewise.
1009         (arm_evpc_neon_vzip): Likewise.
1010         (arm_evpc_neon_vrev): Likewise.
1011         (arm_evpc_neon_vtrn): Likewise.
1012         (arm_evpc_neon_vext): Likewise.
1013         (arm_validize_comparison): Likewise.
1014         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
1015         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
1016         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
1017         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
1018         (c6x_preferred_simd_mode): Likewise.
1019         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
1020         (epiphany_rtx_costs): Likewise.
1021         * config/epiphany/predicates.md (proper_comparison_operator):
1022         Likewise.
1023         * config/frv/frv.c (condexec_memory_operand): Likewise.
1024         (frv_emit_move): Likewise.
1025         (output_move_single): Likewise.
1026         (output_condmove_single): Likewise.
1027         (frv_hard_regno_mode_ok): Likewise.
1028         (frv_matching_accg_mode): Likewise.
1029         * config/h8300/h8300.c (split_adds_subs): Likewise.
1030         (h8300_rtx_costs): Likewise.
1031         (h8300_print_operand): Likewise.
1032         (compute_mov_length): Likewise.
1033         (output_logical_op): Likewise.
1034         (compute_logical_op_length): Likewise.
1035         (compute_logical_op_cc): Likewise.
1036         (h8300_shift_needs_scratch_p): Likewise.
1037         (output_a_shift): Likewise.
1038         (compute_a_shift_length): Likewise.
1039         (compute_a_shift_cc): Likewise.
1040         (expand_a_rotate): Likewise.
1041         (output_a_rotate): Likewise.
1042         * config/i386/i386.c (classify_argument): Likewise.
1043         (function_arg_advance_32): Likewise.
1044         (function_arg_32): Likewise.
1045         (function_arg_64): Likewise.
1046         (function_value_64): Likewise.
1047         (ix86_gimplify_va_arg): Likewise.
1048         (ix86_legitimate_constant_p): Likewise.
1049         (put_condition_code): Likewise.
1050         (split_double_mode): Likewise.
1051         (ix86_avx256_split_vector_move_misalign): Likewise.
1052         (ix86_expand_vector_logical_operator): Likewise.
1053         (ix86_split_idivmod): Likewise.
1054         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
1055         (ix86_build_const_vector): Likewise.
1056         (ix86_build_signbit_mask): Likewise.
1057         (ix86_match_ccmode): Likewise.
1058         (ix86_cc_modes_compatible): Likewise.
1059         (ix86_expand_branch): Likewise.
1060         (ix86_expand_sse_cmp): Likewise.
1061         (ix86_expand_sse_movcc): Likewise.
1062         (ix86_expand_int_sse_cmp): Likewise.
1063         (ix86_expand_vec_perm_vpermi2): Likewise.
1064         (ix86_expand_vec_perm): Likewise.
1065         (ix86_expand_sse_unpack): Likewise.
1066         (ix86_expand_int_addcc): Likewise.
1067         (ix86_split_to_parts): Likewise.
1068         (ix86_vectorize_builtin_gather): Likewise.
1069         (ix86_vectorize_builtin_scatter): Likewise.
1070         (avx_vpermilp_parallel): Likewise.
1071         (inline_memory_move_cost): Likewise.
1072         (ix86_tieable_integer_mode_p): Likewise.
1073         (x86_maybe_negate_const_int): Likewise.
1074         (ix86_expand_vector_init_duplicate): Likewise.
1075         (ix86_expand_vector_init_one_nonzero): Likewise.
1076         (ix86_expand_vector_init_one_var): Likewise.
1077         (ix86_expand_vector_init_concat): Likewise.
1078         (ix86_expand_vector_init_interleave): Likewise.
1079         (ix86_expand_vector_init_general): Likewise.
1080         (ix86_expand_vector_set): Likewise.
1081         (ix86_expand_vector_extract): Likewise.
1082         (emit_reduc_half): Likewise.
1083         (ix86_emit_i387_round): Likewise.
1084         (ix86_mangle_type): Likewise.
1085         (ix86_expand_round_sse4): Likewise.
1086         (expand_vec_perm_blend): Likewise.
1087         (canonicalize_vector_int_perm): Likewise.
1088         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
1089         (expand_vec_perm_1): Likewise.
1090         (expand_vec_perm_interleave3): Likewise.
1091         (expand_vec_perm_even_odd_pack): Likewise.
1092         (expand_vec_perm_even_odd_1): Likewise.
1093         (expand_vec_perm_broadcast_1): Likewise.
1094         (ix86_vectorize_vec_perm_const_ok): Likewise.
1095         (ix86_expand_vecop_qihi): Likewise.
1096         (ix86_expand_mul_widen_hilo): Likewise.
1097         (ix86_expand_sse2_abs): Likewise.
1098         (ix86_expand_pextr): Likewise.
1099         (ix86_expand_pinsr): Likewise.
1100         (ix86_preferred_simd_mode): Likewise.
1101         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
1102         * config/i386/sse.md (*andnot<mode>3): Likewise.
1103         (<mask_codefor><code><mode>3<mask_name>): Likewise.
1104         (*<code><mode>3): Likewise.
1105         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
1106         (ia64_expand_atomic_op): Likewise.
1107         (ia64_arg_type): Likewise.
1108         (ia64_mode_to_int): Likewise.
1109         (ia64_scalar_mode_supported_p): Likewise.
1110         (ia64_vector_mode_supported_p): Likewise.
1111         (expand_vec_perm_broadcast): Likewise.
1112         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
1113         (iq2000_function_arg_advance): Likewise.
1114         (iq2000_function_arg): Likewise.
1115         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
1116         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
1117         (m68k_libcall_value): Likewise.
1118         (m68k_function_value): Likewise.
1119         (sched_attr_op_type): Likewise.
1120         * config/mcore/mcore.c (mcore_output_move): Likewise.
1121         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
1122         Likewise.
1123         (microblaze_function_arg): Likewise.
1124         * config/mips/mips.c (mips16_build_call_stub): Likewise.
1125         (mips_print_operand): Likewise.
1126         (mips_mode_ok_for_mov_fmt_p): Likewise.
1127         (mips_vector_mode_supported_p): Likewise.
1128         (mips_preferred_simd_mode): Likewise.
1129         (mips_expand_vpc_loongson_even_odd): Likewise.
1130         (mips_expand_vec_unpack): Likewise.
1131         (mips_expand_vi_broadcast): Likewise.
1132         (mips_expand_vector_init): Likewise.
1133         (mips_expand_vec_reduc): Likewise.
1134         (mips_expand_msa_cmp): Likewise.
1135         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
1136         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
1137         (cc_flags_for_mode): Likewise.
1138         * config/msp430/msp430.c (msp430_print_operand): Likewise.
1139         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
1140         (nds32_output_casesi_pc_relative): Likewise.
1141         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
1142         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
1143         (nvptx_gen_unpack): Likewise.
1144         (nvptx_gen_pack): Likewise.
1145         (nvptx_gen_shuffle): Likewise.
1146         (nvptx_gen_wcast): Likewise.
1147         (nvptx_preferred_simd_mode): Likewise.
1148         * config/pa/pa.c (pa_secondary_reload): Likewise.
1149         * config/pa/predicates.md (base14_operand): Likewise.
1150         * config/powerpcspe/powerpcspe-c.c
1151         (altivec_resolve_overloaded_builtin): Likewise.
1152         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
1153         Likewise.
1154         (rs6000_preferred_simd_mode): Likewise.
1155         (output_vec_const_move): Likewise.
1156         (rs6000_expand_vector_extract): Likewise.
1157         (rs6000_split_vec_extract_var): Likewise.
1158         (reg_offset_addressing_ok_p): Likewise.
1159         (rs6000_legitimate_offset_address_p): Likewise.
1160         (rs6000_legitimize_address): Likewise.
1161         (rs6000_emit_set_const): Likewise.
1162         (rs6000_const_vec): Likewise.
1163         (rs6000_emit_move): Likewise.
1164         (spe_build_register_parallel): Likewise.
1165         (rs6000_darwin64_record_arg_recurse): Likewise.
1166         (swap_selector_for_mode): Likewise.
1167         (spe_init_builtins): Likewise.
1168         (paired_init_builtins): Likewise.
1169         (altivec_init_builtins): Likewise.
1170         (do_load_for_compare): Likewise.
1171         (rs6000_generate_compare): Likewise.
1172         (rs6000_expand_float128_convert): Likewise.
1173         (emit_load_locked): Likewise.
1174         (emit_store_conditional): Likewise.
1175         (rs6000_output_function_epilogue): Likewise.
1176         (rs6000_handle_altivec_attribute): Likewise.
1177         (rs6000_function_value): Likewise.
1178         (emit_fusion_gpr_load): Likewise.
1179         (emit_fusion_p9_load): Likewise.
1180         (emit_fusion_p9_store): Likewise.
1181         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
1182         (fusion_gpr_mem_load): Likewise.
1183         (fusion_addis_mem_combo_load): Likewise.
1184         (fusion_addis_mem_combo_store): Likewise.
1185         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
1186         (fusion_gpr_mem_load): Likewise.
1187         (fusion_addis_mem_combo_load): Likewise.
1188         (fusion_addis_mem_combo_store): Likewise.
1189         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1190         Likewise.
1191         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
1192         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
1193         (rs6000_preferred_simd_mode): Likewise.
1194         (output_vec_const_move): Likewise.
1195         (rs6000_expand_vector_extract): Likewise.
1196         (rs6000_split_vec_extract_var): Likewise.
1197         (reg_offset_addressing_ok_p): Likewise.
1198         (rs6000_legitimate_offset_address_p): Likewise.
1199         (rs6000_legitimize_address): Likewise.
1200         (rs6000_emit_set_const): Likewise.
1201         (rs6000_const_vec): Likewise.
1202         (rs6000_emit_move): Likewise.
1203         (rs6000_darwin64_record_arg_recurse): Likewise.
1204         (swap_selector_for_mode): Likewise.
1205         (paired_init_builtins): Likewise.
1206         (altivec_init_builtins): Likewise.
1207         (rs6000_expand_float128_convert): Likewise.
1208         (emit_load_locked): Likewise.
1209         (emit_store_conditional): Likewise.
1210         (rs6000_output_function_epilogue): Likewise.
1211         (rs6000_handle_altivec_attribute): Likewise.
1212         (rs6000_function_value): Likewise.
1213         (emit_fusion_gpr_load): Likewise.
1214         (emit_fusion_p9_load): Likewise.
1215         (emit_fusion_p9_store): Likewise.
1216         * config/rx/rx.c (rx_gen_move_template): Likewise.
1217         (flags_from_mode): Likewise.
1218         * config/s390/predicates.md (s390_alc_comparison): Likewise.
1219         (s390_slb_comparison): Likewise.
1220         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
1221         (s390_vector_mode_supported_p): Likewise.
1222         (s390_cc_modes_compatible): Likewise.
1223         (s390_match_ccmode_set): Likewise.
1224         (s390_canonicalize_comparison): Likewise.
1225         (s390_emit_compare_and_swap): Likewise.
1226         (s390_branch_condition_mask): Likewise.
1227         (s390_rtx_costs): Likewise.
1228         (s390_secondary_reload): Likewise.
1229         (__SECONDARY_RELOAD_CASE): Likewise.
1230         (s390_expand_cs): Likewise.
1231         (s390_preferred_simd_mode): Likewise.
1232         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
1233         * config/sh/sh.c (sh_print_operand): Likewise.
1234         (dump_table): Likewise.
1235         (sh_secondary_reload): Likewise.
1236         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
1237         * config/sh/sh.md (casesi_worker_1): Likewise.
1238         (casesi_worker_2): Likewise.
1239         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
1240         (fcc_comparison_operator): Likewise.
1241         * config/sparc/sparc.c (sparc_expand_move): Likewise.
1242         (emit_soft_tfmode_cvt): Likewise.
1243         (sparc_preferred_simd_mode): Likewise.
1244         (output_cbranch): Likewise.
1245         (sparc_print_operand): Likewise.
1246         (sparc_expand_vec_perm_bmask): Likewise.
1247         (vector_init_bshuffle): Likewise.
1248         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
1249         (spu_vector_mode_supported_p): Likewise.
1250         (spu_expand_insv): Likewise.
1251         (spu_emit_branch_or_set): Likewise.
1252         (spu_handle_vector_attribute): Likewise.
1253         (spu_builtin_splats): Likewise.
1254         (spu_builtin_extract): Likewise.
1255         (spu_builtin_promote): Likewise.
1256         (spu_expand_sign_extend): Likewise.
1257         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
1258         (tilegx_simd_int): Likewise.
1259         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
1260         (tilepro_simd_int): Likewise.
1261         * config/v850/v850.c (const_double_split): Likewise.
1262         (v850_print_operand): Likewise.
1263         (ep_memory_offset): Likewise.
1264         * config/vax/vax.c (vax_rtx_costs): Likewise.
1265         (vax_output_int_move): Likewise.
1266         (vax_output_int_add): Likewise.
1267         (vax_output_int_subtract): Likewise.
1268         * config/visium/predicates.md (visium_branch_operator): Likewise.
1269         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
1270         (visium_print_operand_address): Likewise.
1271         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
1272         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
1273         (xtensa_expand_conditional_branch): Likewise.
1274         (xtensa_copy_incoming_a7): Likewise.
1275         (xtensa_output_literal): Likewise.
1276         * dfp.c (decimal_real_maxval): Likewise.
1277         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
1278
1279 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1280             Alan Hayward  <alan.hayward@arm.com>
1281             David Sherwood  <david.sherwood@arm.com>
1282
1283         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
1284         (mode_nunits_inline): Likewise.
1285         (mode_inner_inline): Likewise.
1286         (mode_unit_size_inline): Likewise.
1287         (mode_unit_precision_inline): Likewise.
1288         (emit_insn_modes_h): Likewise.  Also emit a #define of the
1289         unprefixed name.
1290         (emit_mode_wider): Add an E_ prefix to mode names.
1291         (emit_mode_complex): Likewise.
1292         (emit_mode_inner): Likewise.
1293         (emit_mode_adjustments): Likewise.
1294         (emit_mode_int_n): Likewise.
1295         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
1296         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
1297         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
1298         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
1299         (CRC32_BUILTIN, ENTRY): Likewise.
1300         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
1301         (aarch64_pop_regs): Likewise.
1302         (aarch64_process_components): Likewise.
1303         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
1304         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
1305         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
1306         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
1307         * config/arm/arm.c (arm_init_libfuncs): Likewise.
1308         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
1309         Likewise.
1310         * config/i386/i386-builtin.def (pcmpestr): Likewise.
1311         (pcmpistr): Likewise.
1312         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
1313         * config/mmix/mmix.c (mmix_output_condition): Likewise.
1314         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
1315         Likewise.
1316         * config/rl78/rl78.c (mduc_regs): Likewise.
1317         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
1318         (htm_expand_builtin): Likewise.
1319         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
1320         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
1321         * config/xtensa/xtensa.c (print_operand): Likewise.
1322         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
1323         (NUM_MODE_VECTOR_INT): Likewise.
1324         * genoutput.c (null_operand): Likewise.
1325         (output_operand_data): Likewise.
1326         * genrecog.c (print_parameter_value): Likewise.
1327         * lra.c (debug_operand_data): Likewise.
1328
1329 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1330
1331         * dwarf2out.c (scompare_loc_descriptor_wide)
1332         (scompare_loc_descriptor_narrow): New functions, split out from...
1333         (scompare_loc_descriptor): ...here.
1334         * expmed.c (emit_store_flag_int): New function, split out from...
1335         (emit_store_flag): ...here.
1336
1337 2017-08-30  Richard Biener  <rguenther@suse.de>
1338
1339         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
1340         (dwarf2out_early_finish): Move setting of AT_pubnames from
1341         early debug output to early finish.
1342
1343 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
1344
1345         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
1346         and -mdata-region to the assembler.
1347
1348 2017-08-30  Richard Biener  <rguenther@suse.de>
1349
1350         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
1351         attributes.
1352         (gen_subprogram_die): Add DW_AT_object_pointer only early.
1353         (dwarf2out_early_global_decl): Only generate a DIE for the
1354         abstract origin if it doesn't already exist or is a declaration DIE.
1355         (resolve_addr): Do not add the linkage name twice when
1356         generating a stub DIE for the DW_TAG_GNU_call_site target.
1357
1358 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1359
1360         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1361         Use machine_mode rather than int for arg1_mode.
1362
1363 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
1364
1365         PR target/82015
1366         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
1367         that the second argument of the built-in functions to unpack
1368         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
1369         switch statement instead a lot of if statements.
1370         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
1371         Allow 64-bit values to be in Altivec registers as well as
1372         traditional floating point registers.
1373         (pack<mode>, FMOVE128_VSX iterator): Likewise.
1374
1375 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
1376
1377         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
1378         MAX_REGS_PER_ADDRESS == 1.
1379
1380 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
1381
1382         * config/i386/i386.opt (flag_fentry): Do not init to -1.
1383         * config/i386/i386.c (ix86_option_override_internal): Simplify
1384         setting of opts->x_flag_entry.
1385
1386 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1387             Jakub Jelinek  <jakub@redhat.com>
1388             Richard Biener  <rguenther@suse.de>
1389
1390         PR tree-optimization/81503
1391         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
1392         folded constant fits in the target type; reorder tests for clarity.
1393
1394 2017-08-29  Martin Liska  <mliska@suse.cz>
1395
1396         * passes.def: Include pass_lower_switch.
1397         * stmt.c (dump_case_nodes): Remove and move to
1398         tree-switch-conversion.
1399         (case_values_threshold): Likewise.
1400         (expand_switch_as_decision_tree_p): Likewise.
1401         (emit_case_decision_tree): Likewise.
1402         (expand_case): Likewise.
1403         (balance_case_nodes): Likewise.
1404         (node_has_low_bound): Likewise.
1405         (node_has_high_bound): Likewise.
1406         (node_is_bounded): Likewise.
1407         (emit_case_nodes): Likewise.
1408         (struct simple_case_node): New struct.
1409         (add_case_node): Remove.
1410         (emit_case_dispatch_table): Use vector instead of case_list.
1411         (reset_out_edges_aux): Remove.
1412         (compute_cases_per_edge): Likewise.
1413         (expand_case): Build list of simple_case_node.
1414         (expand_sjlj_dispatch_table): Use it.
1415         * tree-switch-conversion.c (struct case_node): Moved from
1416         stmt.c and adjusted.
1417         (emit_case_nodes): Likewise.
1418         (node_has_low_bound): Likewise.
1419         (node_has_high_bound): Likewise.
1420         (node_is_bounded): Likewise.
1421         (case_values_threshold): Likewise.
1422         (reset_out_edges_aux): Likewise.
1423         (compute_cases_per_edge): Likewise.
1424         (add_case_node): Likewise.
1425         (dump_case_nodes): Likewise.
1426         (balance_case_nodes): Likewise.
1427         (expand_switch_as_decision_tree_p): Likewise.
1428         (emit_jump): Likewise.
1429         (emit_case_decision_tree): Likewise.
1430         (try_switch_expansion): Likewise.
1431         (do_jump_if_equal): Likewise.
1432         (emit_cmp_and_jump_insns): Likewise.
1433         (fix_phi_operands_for_edge): New function.
1434         (record_phi_operand_mapping): Likewise.
1435         (class pass_lower_switch): New pass.
1436         (pass_lower_switch::execute): New function.
1437         (make_pass_lower_switch): Likewise.
1438         (conditional_probability):
1439         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
1440         * tree-pass.h: Add make_pass_lower_switch.
1441
1442 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
1443
1444         PR target/80993
1445         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
1446         handlers as used.
1447
1448 2017-08-29  Richard Biener  <rguenther@suse.de>
1449
1450         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
1451         we do not add a DW_AT_inline attribute twice.
1452         (gen_subprogram_die): Remove code setting DW_AT_inline on
1453         DECL_ABSTRACT_P nodes.
1454
1455 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
1456
1457         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
1458         calls to internal functions.
1459         (gimplify_modify_expr): Likewise.
1460         * tree-call-cdce.c (use_internal_fn): Likewise.
1461         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
1462         (convert_to_divmod): Set the nothrow flag.
1463         * tree-if-conv.c (predicate_mem_writes):  Likewise.
1464         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
1465         (vectorizable_call): Likewise.
1466         (vectorizable_store): Likewise.
1467         (vectorizable_load): Likewise.
1468         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
1469         (vect_recog_mask_conversion_pattern): Likewise.
1470
1471 2017-08-29  Martin Liska  <mliska@suse.cz>
1472
1473         PR other/39851
1474         * gcc.c (driver_handle_option): Add new argument.
1475         * opts-common.c (handle_option): Pass
1476         target_option_override_hook.
1477         * opts-global.c (lang_handle_option): Add new option.
1478         (set_default_handlers):  Add new argument.
1479         (decode_options): Likewise.
1480         * opts.c (target_handle_option): Likewise.
1481         (common_handle_option): Call target_option_override_hook.
1482         * opts.h (struct cl_option_handler_func): Add hook for
1483         target option override.
1484         (struct cl_option_handlers): Likewise.
1485         (set_default_handlers): Add new argument.
1486         (decode_options): Likewise.
1487         (common_handle_option): Likewise.
1488         (target_handle_option): Likewise.
1489         * toplev.c (toplev::main): Pass targetm.target_option.override
1490         hook.
1491
1492 2017-08-29  Richard Biener  <rguenther@suse.de>
1493         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
1494
1495         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
1496         life to the active subtree.
1497
1498 2017-08-28  Jeff Law  <law@redhat.com>
1499
1500         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
1501         derive_equivalences.
1502         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
1503         Code moved into....
1504         (edge_info::derive_equivalences): New private member function
1505
1506         * tree-ssa-dom.c (class edge_info): Changed from a struct
1507         to a class.  Add ctor/dtor, methods and data members.
1508         (edge_info::edge_info): Renamed from allocate_edge_info.
1509         Initialize additional members.
1510         (edge_info::~edge_info): New.
1511         (free_dom_edge_info): Delete the edge info.
1512         (record_edge_info): Use new class & associated member functions.
1513         Tighten forms for testing for edge equivalences.
1514         (record_temporary_equivalences): Iterate over the simple
1515         equivalences rather than assuming there's only one per edge.
1516         (cprop_into_successor_phis): Iterate over the simple
1517         equivalences rather than assuming there's only one per edge.
1518         (optimize_stmt): Use operand_equal_p rather than pointer
1519         equality for mini-DSE code.
1520
1521 2017-08-28  Nathan Sidwell  <nathan@acm.org>
1522
1523         * gcc.c (execute): Fold SIGPIPE handling into switch
1524         statement.  Adjust internal error message.
1525
1526 2017-08-28  Richard Biener  <rguenther@suse.de>
1527
1528         PR debug/81993
1529         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
1530         Do nothing for removed DIEs.
1531
1532 2017-08-28  Richard Biener  <rguenther@suse.de>
1533
1534         PR tree-optimization/81977
1535         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
1536         memcpy.
1537
1538 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
1539
1540         PR target/80640
1541         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
1542         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
1543         using targetm.gen_mem_thread_fence.
1544
1545 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         PR target/81995
1548         * config/i386/i386.md (*<btsc><mode>): Change operand 2
1549         predicate to register_operand.  Reorder operands.
1550         (*btr<mode>): Ditto.
1551         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
1552         (*btr<mode>_mask): Ditto.
1553
1554 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
1555
1556         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
1557         * config/rs6000/xmmintrin.h: New file.
1558         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
1559
1560 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1561
1562         PR target/81504
1563         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
1564         parameter and_insn and return it.
1565         (recombine_lvx_pattern): Insert a copy to ensure availability of
1566         the base register of the copied masking operation at the point of
1567         the instruction replacement.
1568         (recombine_stvx_pattern): Likewise.
1569
1570 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
1571
1572         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
1573         undocumented switches.
1574         (-mpower9-dform-vector): Likewise.
1575         (-mpower9-dform): Likewise.
1576         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
1577         comments to delete references to -mpower9-dform* switches.
1578         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
1579         Delete reference to -mpower9-dform* switches, test for
1580         -mpower9-vector instead.
1581         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
1582         (OTHER_P9_VECTOR_MASKS): Likewise.
1583         (POWERPC_MASKS): Likewise.
1584         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
1585         tests against -mpower9-dform* to -mpower9-vector.  Delete code
1586         that checked for -mpower9-dform* consistancy with other options.
1587         Add test for -mpower9-misc to enable other power9 switches.
1588         (rs6000_init_hard_regno_mode_ok): Likewise.
1589         (rs6000_option_override_internal): Likewise.
1590         (rs6000_emit_prologue): Likewise.
1591         (rs6000_emit_epilogue): Likewise.
1592         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
1593         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
1594         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
1595         -mpower9-vector.
1596         (emit_fusion_p9_store): Likewise.
1597         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
1598         resetting these macros if the assembler does not support ISA 3.0
1599         instructions.
1600         (TARGET_P9_DFORM_VECTOR): Likewise.
1601         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
1602         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
1603
1604 2017-08-25  Alan Modra  <amodra@gmail.com>
1605
1606         PR rtl-optimization/81747
1607         * cse.c (cse_extended_basic_block): Don't attempt to record
1608         equivalences for degenerate conditional branches that branch
1609         to their fall-through.
1610
1611 2017-08-24  Martin Sebor  <msebor@redhat.com>
1612
1613         PR middle-end/81908
1614         * gimple-fold.c (size_must_be_zero_p): New function.
1615         (gimple_fold_builtin_memory_op): Call it.
1616
1617 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
1618
1619         * config/rs6000/mm_malloc.h: New file.
1620
1621 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
1622
1623         PR tree-optimization/81913
1624         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
1625         analysis when either IVs in condition can wrap.
1626
1627 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
1628
1629         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
1630         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
1631
1632 2017-08-24  Richard Biener  <rguenther@suse.de>
1633
1634         PR target/81921
1635         * targhooks.c (default_target_can_inline_p): Properly
1636         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
1637         is present and always compare.
1638         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
1639         infer -mfpmath=sse from TARGET_SSE_P.
1640         (ix86_can_inline_p): Properly use target_option_default_node when
1641         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
1642
1643 2017-08-24  Richard Biener  <rguenther@suse.de>
1644
1645         PR debug/81936
1646         * dwarf2out.c (output_die): Handle flag_generate_offload like
1647         flag_generate_lto.
1648         (output_comp_unit): Likewise.
1649         (gen_array_type_die): Likewise.
1650         (dwarf2out_early_finish): Likewise.
1651         (note_variable_value_in_expr): Likewise.
1652         (dwarf2out_finish): Likewise.  Adjust assert.
1653         * cgraphunit.c (symbol_table::compile): Move setting of
1654         flag_generate_offload earlier ...
1655         (symbol_table::finalize_compilation_unit): ... here, before
1656         early debug finalization.
1657
1658 2017-08-24  Richard Biener  <rguenther@suse.de>
1659
1660         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
1661         and ipa-fnsummary.h.
1662         (ix86_can_inline_p): When ix86_fpmath flags do not match
1663         check whether the callee uses FP math at all.
1664
1665 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
1666
1667         PR middle-end/81931
1668         * tree-ssanames.c (get_nonzero_bits): Use element_precision
1669         instead of TYPE_PRECISION.
1670
1671 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
1672             Alan Hayward  <alan.hayward@arm.com>
1673             David Sherwood  <david.sherwood@arm.com>
1674
1675         * combine.c (make_extraction): Use subreg_offset_from_lsb.
1676
1677 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
1678
1679         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
1680         Remove field.
1681         (ix86_frame::stack_realign_allocate): New field.
1682         (struct machine_frame_state): Modify comments.
1683         (machine_frame_state::sp_realigned_fp_end): New field.
1684         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
1685         layout calculation.
1686         (sp_valid_at): Add assertion to assure no attempt to access invalid
1687         offset of a realigned stack.
1688         (fp_valid_at): Likewise.
1689         (choose_baseaddr): Modify comments.
1690         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
1691         ix86_expand_prologue.
1692         (ix86_expand_prologue): Modify stack realignment and allocation.
1693         (ix86_expand_epilogue): Modify comments.
1694         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
1695         avx2_runtime, avx512f, and avx512f_runtime.
1696
1697 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
1698
1699         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
1700         (mstackrealign): Do not init to -1.
1701         * config/i386/i386.c (ix86_option_override_internal):
1702         Check opts_set, not opts when setting default value of
1703         opts->x_ix86_force_align_arg_pointer.
1704
1705 2017-08-23  Richard Biener  <rguenther@suse.de>
1706
1707         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
1708         lang_hooks.decl_printable_name.
1709         * print-rtl-function.c (print_rtx_function): Likewise.
1710         * tree-pretty-print.c (dump_function_header): Likewise.
1711
1712 2017-08-23  Richard Biener  <rguenther@suse.de>
1713
1714         PR lto/81940
1715         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
1716         -g0 at compile-time.
1717
1718 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
1719
1720         PR middle-end/19706
1721         * doc/sourcebuild.texi (Other hardware attributes):
1722         Document xorsign.
1723
1724 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
1725
1726         PR middle-end/19706
1727         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
1728         Fix single-use check.
1729
1730 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1731
1732         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
1733
1734 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
1735
1736         * doc/install.texi: Modify to add more details on running selected
1737         tests.
1738
1739 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
1740
1741         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
1742         is combined with -mabi=ms.
1743         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
1744         ms_abi.
1745
1746 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1747
1748         PR tree-optimization/81488
1749         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
1750         and cached_basis fields.
1751         (MAX_SPREAD): New constant.
1752         (alloc_cand_and_find_basis): Initialize new fields.
1753         (clear_visited): New function.
1754         (create_phi_basis_1): Rename from create_phi_basis, set visited
1755         and cached_basis fields.
1756         (create_phi_basis): New wrapper function.
1757         (phi_add_costs_1): Rename from phi_add_costs, add spread
1758         parameter, set visited field, short-circuit when limits reached.
1759         (phi_add_costs): New wrapper function.
1760         (record_phi_increments_1): Rename from record_phi_increments, set
1761         visited field.
1762         (record_phi_increments): New wrapper function.
1763         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
1764         (phi_incr_cost): New wrapper function.
1765         (all_phi_incrs_profitable_1): Rename from
1766         all_phi_incrs_profitable, set visited field.
1767         (all_phi_incrs_profitable): New wrapper function.
1768
1769 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
1770             Alan Hayward  <alan.hayward@arm.com>
1771             David Sherwood  <david.sherwood@arm.com>
1772
1773         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
1774         that takes the outer and inner modes.
1775         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
1776         comparison as the canonical test for a paradoxical subreg.
1777         * combine.c (simplify_set): Use paradoxical_subreg_p.
1778         (make_extraction): Likewise.
1779         (force_to_mode): Likewise.
1780         (rtx_equal_for_field_assignment_p): Likewise.
1781         (gen_lowpart_for_combine): Likewise.
1782         (simplify_comparison): Likewise.
1783         * cse.c (equiv_constant): Likewise.
1784         * expmed.c (store_bit_field_1): Likewise.
1785         * final.c (alter_subreg): Likewise.
1786         * fwprop.c (propagate_rtx): Likewise.
1787         (forward_propagate_subreg): Likewise.
1788         * ira-conflicts.c (ira_build_conflicts): Likewise.
1789         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
1790         * lra-constraints.c (curr_insn_transform): Likewise.
1791         (split_reg): Likewise.
1792         * lra-eliminations.c (move_plus_up): Likewise.
1793         (lra_eliminate_regs_1): Likewise.
1794         * recog.c (general_operand): Likewise.
1795         * ree.c (combine_reaching_defs): Likewise.
1796         * reload.c (push_reload): Likewise.
1797         (find_reloads): Likewise.
1798         * reload1.c (elimination_effects): Likewise.
1799         (compute_reload_subreg_offset): Likewise.
1800         (choose_reload_regs): Likewise.
1801         * rtlanal.c (subreg_lsb_1): Likewise.
1802         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
1803         (simplify_subreg): Likewise.
1804         * var-tracking.c (track_loc_p): Likewise.
1805         * emit-rtl.c (byte_lowpart_offset): Likewise.
1806         (paradoxical_subreg_p): Delete out-of-line definition.
1807
1808 2017-08-22  Jeff Law  <law@redhat.com>
1809
1810         PR tree-optimization/81741
1811         PR tree-optimization/71947
1812         * tree-ssa-dom.c: Include tree-inline.h.
1813         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
1814         equivalences if one is more expensive to compute than the other.
1815         * tree-ssa-scopedtables.h (class const_or_copies): Make
1816         record_const_or_copy_raw method private.
1817         (class avail_exprs_stack): New method simplify_binary_operation.
1818         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
1819         avail_exprs_stack::simplify_binary_operation as needed.
1820         (avail_exprs_stack::simplify_binary_operation): New function.
1821
1822 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1823
1824         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
1825         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
1826         (DOT_SYMBOLS): Likewise.
1827         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
1828         (RELOCATABLE_NEEDS_FIXUP): Likewise.
1829         (RS6000_ABI_NAME): Likewise.
1830         (TARGET_CMODEL): Likewise.
1831         (TOC_SECTION_ASM_OP): Likewise.
1832         (SET_CMODEL): New macro.
1833         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
1834
1835 2017-08-22  Richard Biener  <rguenther@suse.de>
1836
1837         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
1838         to allow for free-lang-data replacements similar to verify_type_variant.
1839
1840 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
1841             Alan Hayward  <alan.hayward@arm.com>
1842             David Sherwood  <david.sherwood@arm.com>
1843
1844         * config/aarch64/aarch64.md (casesi): Use DImode rather than
1845         VOIDmode for the LABEL_REF.
1846
1847 2017-08-22  Richard Biener  <rguenther@suse.de>
1848
1849         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
1850
1851 2017-08-22  Richard Biener  <rguenther@suse.de>
1852
1853         * common.opt (feliminate-dwarf2-dups): Ignore.
1854         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
1855         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
1856         same_die_p_wrap, compute_section_prefix,
1857         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
1858         (comdat_symbol_id, comdat_symbol_number): Likewise.
1859         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
1860         Likewise.
1861         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
1862         (output_die): Mark unreachable path unreachable.
1863         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
1864         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
1865         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
1866         (dwarf2out_early_finish): Likewise.
1867
1868 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
1869
1870         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
1871
1872 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
1873
1874         PR target/81910
1875         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
1876         not VAR_P. Filter attribute warnings with OPT_Wattributes.
1877         (avr_attribute_table) <io, io_low, address>: Initialize
1878         .decl_required with true.
1879
1880 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
1881
1882         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
1883         undocumented debugging options.
1884         (-mvsx-scalar-double): Likewise.
1885         (-mallow-df-permute): Likewise.
1886         (-mvectorize-builtins): Likewise.
1887         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
1888         (rs6000_builtin_vectorized_function): Likewise.
1889         (rs6000_builtin_md_vectorized_function): Likewise.
1890         (rs6000_opt_vars): Likewise.
1891
1892 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
1893
1894         PR target/46091
1895         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
1896         (*btrq_imm): Rename from *btrq.
1897         (*btcq_imm): Rename from *btcq.
1898         (btsc): New code attribute.
1899         (*<btsc><mode>): New insn pattern.
1900         (*btr<mode>): Ditto.
1901         (*<btsc><mode>_mask): New insn_and_split pattern.
1902         (*btr<mode>_mask): Ditto.
1903
1904 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
1905             Alan Hayward  <alan.hayward@arm.com>
1906             David Sherwood  <david.sherwood@arm.com>
1907
1908         * function.c (pad_below): Simplify padding calculation.
1909
1910 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
1911             Alan Hayward  <alan.hayward@arm.com>
1912             David Sherwood  <david.sherwood@arm.com>
1913
1914         * target.def (function_prologue): Remove frame size argument.
1915         (function_epilogue): Likewise.
1916         * doc/tm.texi: Regenerate.
1917         * final.c (final_start_function): Update call to function_prologue.
1918         (final_end_function): Update call to function_epilogue.
1919         (default_function_pro_epilogue): Remove frame size argument.
1920         * output.h (default_function_pro_epilogue): Likewise.
1921         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
1922         (arm_output_function_prologue): Likewise.
1923         * config/frv/frv.c (frv_function_prologue): Likewise.
1924         (frv_function_epilogue): Likewise.
1925         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
1926         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
1927         (ia64_output_function_epilogue): Likewise.
1928         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
1929         (m32r_output_function_epilogue): Likewise.
1930         * config/microblaze/microblaze.c (microblaze_function_prologue)
1931         (microblaze_function_epilogue): Likewise.
1932         * config/mips/mips.c (mips_output_function_prologue): Likewise.
1933         (mips_output_function_epilogue): Likewise.
1934         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
1935         (mmix_target_asm_function_epilogue): Likewise.
1936         * config/msp430/msp430.c (msp430_start_function): Likewise.
1937         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
1938         (nds32_asm_function_epilogue): Likewise.
1939         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
1940         * config/pa/pa.c (pa_output_function_prologue): Likewise.
1941         (pa_output_function_epilogue): Likewise.
1942         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
1943         (rs6000_output_function_epilogue): Likewise.
1944         * config/rl78/rl78.c (rl78_start_function): Likewise.
1945         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
1946         (rs6000_output_function_epilogue): Likewise.
1947         * config/rx/rx.c (rx_output_function_prologue): Likewise.
1948         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
1949         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
1950         (sparc_asm_function_epilogue): Likewise.
1951
1952 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
1953
1954         * tree.h (type_has_mode_precision_p): New function.
1955         * convert.c (convert_to_integer_1): Use it.
1956         * expr.c (expand_expr_real_2): Likewise.
1957         (expand_expr_real_1): Likewise.
1958         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
1959         * match.pd: Likewise.
1960         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
1961         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
1962         * tree-tailcall.c (process_assignment): Likewise.
1963         * tree-vect-loop.c (vectorizable_reduction): Likewise.
1964         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
1965         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
1966         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
1967         (vectorizable_assignment): Likewise.
1968         (vectorizable_shift): Likewise.
1969         (vectorizable_operation): Likewise.
1970         * tree-vrp.c (register_edge_assert_for_2): Likewise.
1971
1972 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
1973
1974         * match.pd: Add pow (C, x) simplification.
1975
1976 2017-08-21  Richard Biener  <rguenther@suse.de>
1977
1978         PR tree-optimization/81900
1979         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
1980         for blocks with abnormal predecessors.
1981         (compute_antic): Do not set visited flag prematurely.
1982
1983 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
1984
1985         PR target/79883
1986         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
1987
1988 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
1989
1990         * stor-layout.h (vector_type_mode): Move to...
1991         * tree.h (vector_type_mode): ...here.
1992         * stor-layout.c (vector_type_mode): Move to...
1993         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
1994
1995 2017-08-21  Richard Biener  <rguenther@suse.de>
1996
1997         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
1998         register_external_die hooks.
1999         (debug_false_tree_charstarstar_uhwistar): Declare.
2000         (debug_nothing_tree_charstar_uhwi): Likewise.
2001         * debug.c (do_nothing_debug_hooks): Adjust.
2002         (debug_false_tree_charstarstar_uhwistar): New do nothing.
2003         (debug_nothing_tree_charstar_uhwi): Likewise.
2004         * dbxout.c (dbx_debug_hooks): Adjust.
2005         (xcoff_debug_hooks): Likewise.
2006         * sdbout.c (sdb_debug_hooks): Likewise.
2007         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
2008         * dwarf2out.c (macinfo_label_base): New global.
2009         (dwarf2out_register_external_die): New function for the
2010         register_external_die hook.
2011         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
2012         (dwarf2_debug_hooks): Use them.
2013         (dwarf2_lineno_debug_hooks): Adjust.
2014         (struct die_struct): Add with_offset flag.
2015         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
2016         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
2017         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
2018         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
2019         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
2020         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
2021         defining section names for the early LTO debug variants.
2022         (reset_indirect_string): New helper.
2023         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
2024         (print_dw_val): Add support for offsetted symbol references.
2025         (get_ultimate_context): Split out from is_cxx.
2026         (is_cxx): Use get_ultimate_context.
2027         (is_fortran): Add decl overload.
2028         (compute_comp_unit_symbol): Split out worker from
2029         compute_section_prefix.
2030         (compute_section_prefix): Call compute_comp_unit_symbol and
2031         set comdat_type_p here.
2032         (output_die): Skip DIE symbol output for the LTO added one.
2033         Handle DIE symbol references with offset.
2034         (output_comp_unit): Guard section name mangling properly.
2035         For LTO debug sections emit a symbol at the section beginning
2036         which we use to refer to its DIEs.
2037         (add_abstract_origin_attribute): For DIEs registered via
2038         dwarf2out_register_external_die directly refer to the early
2039         DIE rather than indirectly through the shadow one we created.
2040         Remove obsolete call to dwarf2out_abstract_function for
2041         non-function/block origins.
2042         (gen_array_type_die): When generating early LTO debug do
2043         not emit DW_AT_string_length.
2044         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
2045         late when in LTO.  As suggested place a gcc_unreachable for
2046         the DECL_ABSTRACT_P case.
2047         (gen_subprogram_die): Avoid another specification DIE
2048         for early built declarations/definitions for the late LTO case.
2049         (gen_variable_die): Add type references for late duplicated VLA dies
2050         when in late LTO.
2051         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
2052         we have the abstract instance already.
2053         (process_scope_var): Adjust decl DIE contexts in LTO which
2054         first puts them in limbo.
2055         (gen_decl_die): Do not generate type DIEs late apart from
2056         types for VLAs or for decls we do not yet have a DIE.  Do not
2057         call dwarf2out_abstract_function late.
2058         (dwarf2out_early_global_decl): Make sure to create DIEs
2059         for abstract instances of a decl first.
2060         (dwarf2out_late_global_decl): Adjust comment.
2061         (output_macinfo_op): With multiple macro sections use
2062         macinfo_label_base to distinguish labels.
2063         (output_macinfo): Likewise.  Update macinfo_label_base.
2064         Pass in the line info label.
2065         (note_variable_value_in_expr): When generating LTO resolve
2066         all variable values here by generating DIEs as needed.
2067         (init_sections_and_labels): Add early LTO debug flag parameter
2068         and generate different sections and names if set.  Add generation
2069         counter for the labels so we can have multiple of them.
2070         (reset_dies): Helper to allow DIEs to be output multiple times.
2071         (dwarf2out_finish): When outputting DIEs to the fat part of an
2072         LTO object first reset DIEs.
2073         (dwarf2out_early_finish): Output early DIEs when generating LTO.
2074         (modified_type_die): Check for decl_ultimate_origin being self
2075         before recursing.
2076         (gen_type_die_with_usage): Likewise.
2077         (gen_typedef_die): Allow decl_ultimate_origin being self.
2078         (set_decl_abstract_flags): Remove.
2079         (set_block_abstract_flags): Likewise.
2080         (dwarf2out_abstract_function): Treat the early generated DIEs
2081         as the abstract copy and only add DW_AT_inline and
2082         DW_AT_artificial here and call set_decl_origin_self.
2083         If the DIE has an abstract origin don't do anything.
2084         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
2085         if we have none yet (Go fails to build one, PR78628).
2086         (variably_modified_type_p): Prevent endless recursion for Ada
2087         cyclic pointer types.
2088         * lto-streamer-in.c: Include debug.h.
2089         (dref_queue): New global.
2090         (lto_read_tree_1): Stream in DIE references.
2091         (lto_input_tree): Register DIE references.
2092         (input_function): Stream DECL_DEBUG_ARGS.
2093         * lto-streamer-out.c: Include debug.h.
2094         (lto_write_tree_1): Output DIE references.
2095         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
2096         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
2097         (output_function): Stream DECL_DEBUG_ARGS.
2098         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
2099         Stream DECL_ABSTRACT_ORIGIN.
2100         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
2101         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
2102         DECL_CONTEXT for file-scope decls.
2103         * lto-streamer.h (struct dref_entry): Declare.
2104         (dref_queue): Likewise.
2105         * cfgexpand.c (pass_expand::execute): Do not call the
2106         outlining_inline_function hook here.
2107         * lto-wrapper.c (debug_obj): New global.
2108         (tool_cleanup): Unlink it if required.
2109         (debug_objcopy): New function.
2110         (run_gcc): Handle early debug sections in the IL files by
2111         extracting them to separate files, partially linkin them and
2112         feeding the result back as result to the linker.
2113         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
2114         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
2115         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
2116         sections into a separate segment.
2117         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
2118         segments.
2119         (darwin_asm_dwarf_section): Likewise.
2120         (darwin_asm_output_dwarf_offset): Likewise.
2121         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
2122
2123 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
2124             Alan Hayward  <alan.hayward@arm.com>
2125             David Sherwood  <david.sherwood@arm.com>
2126
2127         * read-md.h (md_reader::record_potential_iterator_use): Replace
2128         pointer argument with an rtx and an index.
2129         * read-rtl.c (iterator_group::apply_iterator): Likewise.
2130         (apply_mode_iterator): Likewise.
2131         (apply_code_iterator): Likewise.
2132         (apply_int_iterator): Likewise.
2133         (apply_subst_iterator): Likewise.
2134         (record_iterator_use): Likewise.
2135         (record_attribute_use): Likewise.
2136         (md_reader::record_potential_iterator_use): Likewise.  Update calls
2137         to record_iterator_use and apply_iterator.
2138         (iterator_use): Replace ptr with x and index.
2139         (attribute_use): Likewise.
2140         (apply_attribute_uses): Update calls to apply_iterator.
2141         (apply_iterators): Likewise.  Update initialization of iterator_use.
2142         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
2143         and record_potential_iterator_use.
2144         (rtx_reader::read_rtx_operand): Likewise.
2145
2146 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
2147             Alan Hayward  <alan.hayward@arm.com>
2148             David Sherwood  <david.sherwood@arm.com>
2149
2150         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
2151         CONST_WIDE_INT.
2152
2153 2017-08-21  Richard Biener  <rguenther@suse.de>
2154
2155         PR middle-end/81884
2156         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
2157         at struct end conservatively when comparing common bases.
2158
2159 2017-08-21  Richard Biener  <rguenther@suse.de>
2160
2161         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
2162         (mem_ref_in_stmt): Remove.
2163         (determine_max_movement): Use ref index to get at the reference.
2164         (invariantness_dom_walker::before_dom_children): Deal with
2165         lim data already initialized.
2166         (gather_mem_refs_stmt): Initialize lim data and record ref index.
2167
2168 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
2169
2170         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
2171         (TARGET_ISA_ROUND): Ditto.
2172         (TARGET_ROUND): Ditto.
2173         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
2174         * config/i386/i386.md: Ditto.
2175         * config/i386/sse.md: Ditto.
2176         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
2177         with OPTION_MASK_ISA_SSE4_1.
2178
2179 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
2180
2181         PR target/81894
2182         * doc/extend.texi (x86 Built-in Functions): Correct the name of
2183         __builtin_ia32_lzcnt_u16.
2184
2185 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
2186
2187         PR target/80210
2188         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
2189         (rs6000_set_current_function): Rewrite function to use it.
2190
2191 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2192
2193         PR c/53037
2194         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
2195         and TYPE_WARN_IF_NOT_ALIGN.
2196         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
2197         (handle_warn_if_not_align): New.
2198         (place_union_field): Call handle_warn_if_not_align.
2199         (place_field): Call handle_warn_if_not_align.
2200         Copy TYPE_WARN_IF_NOT_ALIGN.
2201         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
2202         (layout_type): Likewise.
2203         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
2204         spare to 18.
2205         (tree_decl_common): Add warn_if_not_align.
2206         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
2207         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
2208         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
2209         (DECL_WARN_IF_NOT_ALIGN): Likewise.
2210         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
2211         * doc/extend.texi: Document warn_if_not_aligned attribute.
2212         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
2213
2214 2017-08-17  Martin Liska  <mliska@suse.cz>
2215
2216         PR bootstrap/81864
2217         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
2218         (get_data_dependence): Use it as pointer type.
2219         (distribute_loop): Likewise.
2220
2221 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2222
2223         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
2224         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
2225         (p8_vmrgow_<mode>_direct): New define_insn.
2226         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
2227         handle endianness for vmrgew and vmrgow permute patterns.
2228
2229 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
2230
2231         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
2232         * config/rs6000/rs6000-cpus.def: Remove comment.
2233         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
2234         (POWERPC_MASKS): Likewise.
2235         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
2236         use of TARGET_VSX_TIMODE.
2237         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
2238         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
2239         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
2240         (rs6000_option_override_internal): Remove dead code.
2241         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
2242         (rs6000_legitimize_reload_address): Likewise.
2243         (rs6000_legitimate_address_p): Likewise.
2244         (rs6000_opt_masks): Delete "vsx-timode".
2245         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
2246         from function comment.
2247         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
2248         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
2249         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
2250         condition.
2251         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
2252         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
2253         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
2254         (VSX_TI): Likewise.
2255         (VSX_M): Likewise.
2256         (define_peephole2): Likewise.
2257
2258 2017-08-17  Martin Sebor  <msebor@redhat.com>
2259
2260         PR c/81859
2261         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
2262         past the end of an array.
2263         (test_pp_format): Add test cases.
2264
2265 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
2266
2267         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
2268         missing ECF_NOTHROW flags.
2269
2270 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
2271
2272         PR target/72804
2273         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
2274         operands residing in integer registers.
2275         (*vsx_le_perm_load_<mode>): Likewise.
2276         (*vsx_le_perm_store_<mode>): Likewise.
2277         (define_peephole2): Add peepholes to optimize the above.
2278
2279 2017-08-17  Marek Polacek  <polacek@redhat.com>
2280
2281         PR middle-end/81814
2282         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
2283         to mimic what shorten_compare did.  Change the return type to bool.
2284         (fold_cond_expr_with_comparison): Update call to
2285         operand_equal_for_comparison_p.
2286         (fold_ternary_loc): Likewise.
2287
2288 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
2289
2290         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
2291         register.
2292         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
2293
2294 2017-08-17  Richard Biener  <rguenther@suse.de>
2295
2296         * tree-ssa-structalias.c (solve_graph): When propagating
2297         to successors update the graphs succ edges and avoid duplicate work.
2298
2299 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
2300
2301         PR target/81861
2302         * config/i386/i386.c (ix86_option_override_internal): Save target
2303         specific options after ix86_stack_protector_guard_reg was changed.
2304
2305 2017-08-17  Richard Biener  <rguenther@suse.de>
2306
2307         PR tree-optimization/81827
2308         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
2309         (new_var_info): Initialize it conservatively.
2310         (get_call_vi): Mark register vars.
2311         (new_scalar_tmp_constraint_exp): Likewise.
2312         (handle_rhs_call): Likewise.
2313         (handle_const_call): Likewise.
2314         (create_function_info_for): Likewise.
2315         (solve_constraints): Sort varinfos to separate register from
2316         non-register vars to pack points-to solution bitmaps during
2317         iteration.
2318
2319 2017-08-17  Marek Polacek  <polacek@redhat.com>
2320
2321         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
2322
2323 2017-08-17  Richard Biener  <rguenther@suse.de>
2324
2325         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
2326         to true when overflow is undefined and we saturated the result.
2327
2328 2017-08-17  Alan Modra  <amodra@gmail.com>
2329
2330         PR target/80938
2331         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
2332         Don't use store multiple if only one reg needs saving.
2333         (interesting_frame_related_regno): New function.
2334         (rs6000_frame_related): Don't emit frame info for regs that
2335         don't need saving.
2336         (rs6000_emit_epilogue): Likewise.
2337
2338 2017-08-16  Nathan Sidwell  <nathan@acm.org>
2339
2340         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
2341         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
2342         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
2343         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
2344         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
2345         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
2346         (verify_type): Adjust for TYPE_BINFO move.
2347         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
2348         process TYPE_BINFO directly.
2349         (hash_tree): Likewise.
2350         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
2351         Likewise.
2352         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
2353         Likewise.
2354
2355 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
2356
2357         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
2358
2359 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
2360
2361         PR target/46091
2362         * config/i386/i386.md (*anddi_1_btr): Change predicates of
2363         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
2364         Add ix86_binary_operator_ok to insn constraint.
2365         (*iordi_1_bts): Ditto.
2366         (*xordi_1_btc): Ditto.
2367         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
2368         Update corresponding peephole2 pattern.
2369         (*btrq): Ditto.
2370         (*btcq): Ditto.
2371
2372 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
2373
2374         PR tree-optimization/81832
2375         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
2376         copy loop header which has IFN_LOOP_DIST_ALIAS call.
2377
2378 2017-08-16  Marek Polacek  <polacek@redhat.com>
2379
2380         PR middle/81695
2381         * fold-const.c (fold_indirect_ref_1): Restore original behavior
2382         regarding size_zero_node.
2383
2384 2017-08-16  Martin Liska  <mliska@suse.cz>
2385
2386         PR target/81753
2387         * config.gcc: Respect previously set extra_objs in case
2388         of darwin target.
2389
2390 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
2391
2392         PR tree-optimization/81835
2393         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
2394         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
2395         not depend on the phi.
2396
2397 2017-08-16  Alan Modra  <amodra@gmail.com>
2398
2399         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
2400         dead code.
2401
2402 2017-08-16  Alan Modra  <amodra@gmail.com>
2403
2404         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
2405         (save_reg_p): ..into this.  Update all callers.
2406         (first_reg_to_save): Simplify.
2407
2408 2017-08-16  Alan Modra  <amodra@gmail.com>
2409
2410         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
2411         fixed regs.
2412
2413 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
2414
2415         PR target/78460
2416         PR target/67712
2417         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
2418         constant count if that count is less than 32.
2419
2420 2017-08-15  Nathan Sidwell  <nathan@acm.org>
2421
2422         * gcc.c (execute): Emit friendlier message if inferior is killed
2423         by an external cause.
2424
2425 2017-08-15  Richard Biener  <rguenther@suse.de>
2426
2427         PR tree-optimization/81790
2428         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
2429         CONSTRUCTORs from simplifying and VN.
2430
2431 2017-08-14  Martin Sebor  <msebor@redhat.com>
2432
2433         * builtin-attrs.def: Add comments.
2434
2435 2017-08-14  Martin Sebor  <msebor@redhat.com>
2436
2437         PR c/81117
2438         * doc/extend.texi (attribute nonstring): Document new attribute.
2439
2440 2017-08-14  Martin Sebor  <msebor@redhat.com>
2441
2442         PR c/81117
2443         * tree-diagnostic.c (default_tree_printer): Handle %G.
2444         * gimple-pretty-print.h (percent_G_format): Declare new function.
2445         * gimple-pretty-print.c (percent_G_format): Define.
2446         * tree-pretty-print.c (percent_K_format): Add argument.
2447
2448 2017-08-14  Martin Sebor  <msebor@redhat.com>
2449
2450         PR translation/79998
2451         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
2452         Remove a stray space.
2453
2454 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
2455
2456         PR target/46091
2457         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
2458         (*iordi_1_bts): Ditto.
2459         (*xordi_1_btc): Ditto.
2460
2461 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2462
2463         PR target/79845
2464         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
2465         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2466         Likewise.
2467         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
2468         quoted strings, and make more translator-friendly.
2469         (darwin_rs6000_override_options): Likewise.
2470         (rs6000_option_override_internal): Likewise.
2471         (rs6000_return_in_memory): Fix overlong line.
2472         (init_cmulative_args): Use quoted strings, and make more
2473         translator-friendly.
2474         (rs6000_pass_by_reference): Fix overlong line.
2475         (def_builtin): Use quoted strings.
2476         (altivec_expand_predicate_builtin): Use quoted strings, and make
2477         more translator-friendly.
2478         (htm_expand_builtin): Use quoted strings.
2479         (cpu_expand_builtin): Use quoted strings, and make more
2480         translator-friendly.
2481         (altivec_expand_builtin): Likewise.
2482         (paired_expand_predicate_builtin): Likewise.
2483         (rs6000_invalid_builtin): Likewise.
2484         (builtin_function_type): Use quoted strings.
2485         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
2486         more translator-friendly.
2487         (rs6000_trampoline_init): Likewise.
2488         (rs6000_handle_altivec_attribute): Likewise.
2489         (rs6000_inner_target_options): Use quoted strings.
2490         (rs6000_disable_incompatible_switches): Likewise.
2491         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
2492         strings, and make more translator-friendly.
2493         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
2494
2495 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
2496
2497         PR tree-optimization/81799
2498         * tree-loop-distribution.c (version_loop_by_alias_check): Force
2499         cond_expr to simple gimple operand.
2500
2501 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
2502
2503         PR middle-end/46932
2504         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
2505
2506 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
2507
2508         PR target/81754
2509         PR target/81268
2510         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
2511         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
2512         TARGET_GASISR_PROLOGUES.
2513         * config/avr/avr.c (avr_option_override): Same.
2514         (avr_pass_pre_proep::execute): Same.
2515
2516 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2517
2518         PR target/81820
2519         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
2520         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
2521
2522 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
2523
2524         * config/i386/i386.md (*load_tp_<mode>): Redefine as
2525         define_insn_and_split.  Split to a memory load from 0 in
2526         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
2527         using PTR mode iterator.
2528         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
2529         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
2530         (*add_tp_<mode>): Redefine as define_insn_and_split.
2531         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
2532         address space.  Merge with *add_tp_x32 using PTR mode iterator.
2533         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
2534         Split to an add with a  memory load from 0 in
2535         DEFAULT_TLS_SEG_REG address space.
2536
2537 2017-08-12  Andrew Pinski  <apinski@cavium.com>
2538
2539         * config/aarch64/aarch64-option-extensions.def (rdma):
2540         Fix feature string to what Linux prints out in /proc/cpuinfo.
2541
2542 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
2543
2544         PR ada/79542
2545         * dwarf2out.c (modified_type_die): For C typedef types that have
2546         an ultimate origin, process the ultimate origin instead of the
2547         input type.
2548         (gen_typedef_die): Assert that input DECLs have no ultimate
2549         origin.
2550         (gen_type_die_with_usage): For typedef variants that have an
2551         ultimate origin, just call gen_decl_die on the original DECL.
2552         (process_scope_var): Avoid creating DIEs for local typedefs and
2553         concrete static variables.
2554
2555 2017-08-12  Alan Modra  <amodra@gmail.com>
2556
2557         PR target/81170
2558         PR target/81295
2559         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
2560         match gnu-user.h startfile.
2561         (ENDFILE_LINUX_SPEC): Similarly.
2562
2563 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
2564
2565         PR lto/81430
2566         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
2567         Remove function.
2568         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
2569
2570 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
2571         * config/aarch64/aarch64.md (mov<mode>): Change.
2572         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
2573         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
2574         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
2575
2576 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
2577
2578         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
2579         for storage order barriers.
2580
2581 2017-08-11  Martin Liska  <mliska@suse.cz>
2582
2583         PR tree-opt/79987
2584         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
2585         variables of void type.
2586
2587 2017-08-11  Martin Liska  <mliska@suse.cz>
2588
2589         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
2590         TARGET_SUPPORTS_ALIASES.
2591         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
2592         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
2593         (optimize_weakref): Likewise.
2594         * symtab.c (symtab_node::noninterposable_alias): Likewise.
2595         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
2596         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
2597
2598 2017-08-11  Martin Liska  <mliska@suse.cz>
2599
2600         PR ipa/81213
2601         * config/i386/i386.c (make_resolver_func): Do complete
2602         refactoring of the function.
2603
2604 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
2605
2606         PR target/81708
2607         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
2608         * config/i386/i386.c (ix86_stack_protect_guard): Use
2609         ix86_stack_protect_guard_symbol_str to generate varible declaration.
2610         * doc/invoke.texi (x86 Options): Document
2611         -mstack-protector-guard-symbol= option.
2612
2613 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
2614
2615         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
2616         * config/i386/i386.c (ix86_split_stack_guard): New function.
2617         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
2618         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
2619         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
2620         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
2621         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
2622         (split_stack_space_check): Call ix86_split_stack_guard.
2623
2624 2017-08-10  Martin Sebor  <msebor@redhat.com>
2625
2626         * print-tree.c (print_node): Print location using the established
2627         format %s:%i%i.
2628         Replace spaces with colons.
2629         (debug_raw, debug): Ditto.
2630
2631 2017-08-10  Martin Sebor  <msebor@redhat.com>
2632
2633         PR c++/81586
2634         * pretty-print.c (pp_format): Correct the handling of %s precision.
2635
2636 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2637
2638         PR target/81736
2639         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
2640         to ...
2641         (ix86_finalize_stack_frame_flags): This.  Also clear
2642         frame_pointer_needed if -fno-omit-frame-pointer is used without
2643         stack access.
2644         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
2645         with ix86_finalize_stack_frame_flags.
2646         (ix86_expand_epilogue): Likewise.
2647         (ix86_expand_split_stack_prologue): Likewise.
2648         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
2649
2650 2017-08-10  Martin Liska  <mliska@suse.cz>
2651
2652         PR c++/81355
2653         * c-attribs.c (handle_target_attribute):
2654         Report warning for an empty string argument of target attribute.
2655
2656 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
2657
2658         PR c/81687
2659         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
2660         LABEL_DECLs.
2661         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
2662         or DECL_NONLOCAL labels.
2663         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
2664         or DECL_NONLOCAL labels here.
2665
2666 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
2667
2668         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
2669         to indicate when early gimple folding has been disabled.
2670         (rs6000_gimple_fold_builtin): Add debug content.
2671         (rs6000_invalid_builtin): Fix whitespace.
2672         (rs6000_expand_builtin): Fix whitespace.
2673         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
2674
2675 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
2676
2677         PR target/80938
2678         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
2679         SAVE_MULTIPLE if not all the registers that saves, should be saved.
2680
2681 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
2682
2683         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
2684         (qdf24xx): Likewise.
2685         * config/aarch64/aarch64.md: Include falkor.md.
2686         * config/aarch64/falkor.md: New.
2687
2688 2017-08-09  Marek Polacek  <polacek@redhat.com>
2689
2690         PR c/81233
2691         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
2692         * diagnostic.c (emit_diagnostic): Add a comment.
2693         (emit_diagnostic_valist): New function.
2694
2695 2017-08-09  Marek Polacek  <polacek@redhat.com>
2696
2697         PR c/81417
2698         * input.c (make_location): New overload.
2699         * input.h (make_location): Declare.
2700
2701 2017-08-08  Alan Modra  <amodra@gmail.com>
2702             H.J. Lu  <hongjiu.lu@intel.com>
2703
2704         PR driver/81523
2705         * gcc.c (NO_PIE_SPEC): Delete.
2706         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
2707         exclusion..
2708         (LINK_PIE_SPEC): ..to here.
2709         (LINK_COMMAND_SPEC): Support -no-pie.
2710         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
2711         chain of crtbegin*.o selection, update for PIE_SPEC changes and
2712         format.
2713         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
2714         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
2715         (ENDFILE_CRTEND_SPEC): Similarly.
2716
2717 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
2718
2719         PR target/81708
2720         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
2721         (mstack-protector-guard-offset=): Ditto.
2722         * config/i386/i386.c (ix86_option_override): Handle
2723         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
2724         options.
2725         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
2726         ix86_stack_protect_guard_offset variables.
2727         (TARGET_STACK_PROTECT_GUARD): Always define.
2728         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
2729         and -mstack-protector-guard-offset= options.
2730
2731 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
2732
2733         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
2734         boundary case for the last candidate.
2735
2736 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
2737
2738         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
2739         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
2740
2741 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
2742
2743         PR middle-end/19706
2744         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
2745         * config/aarch64/aarch64-builtins.c
2746         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
2747         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
2748         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
2749
2750 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
2751             Andrew Pinski <pinskia@gmail.com>
2752
2753         PR middle-end/19706
2754         * internal-fn.def (XORSIGN): New.
2755         * optabs.def (xorsign_optab): New.
2756         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
2757         (convert_expand_mult_copysign): New.
2758         (pass_optimize_widening_mul::execute): Call
2759         convert_expand_mult_copysign.
2760
2761 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2762
2763         PR tree-optimization/81354
2764         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
2765         Insert on edges rather than explicitly creating landing pads.
2766         (analyze_candidates_and_replace): Commit edge inserts.
2767
2768 2017-08-08  Richard Biener  <rguenther@suse.de>
2769
2770         PR middle-end/81719
2771         * tree-ssa-loop-niter.c: Include tree-dfa.h.
2772         (expand_simple_operations): Also look through ADDR_EXPRs with
2773         MEM_REF bases treating them as POINTER_PLUS_EXPR.
2774
2775 2017-08-08  Richard Biener  <rguenther@suse.de>
2776
2777         PR tree-optimization/81723
2778         * tree-vect-slp.c (struct bst_traits): New hash traits.
2779         (bst_fail): New global.
2780         (vect_build_slp_tree_2): New worker, split out from ...
2781         (vect_build_slp_tree): ... this now wrapping it with using
2782         bst_fail set to cache SLP tree build fails.  Properly handle
2783         max_tree_size.
2784         (vect_analyze_slp_instance): Allocate and free bst_fail.
2785
2786 2017-08-08  Martin Liska  <mliska@suse.cz>
2787
2788         PR tree-opt/81696
2789         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
2790         LABEL_DECLs that can be from a different function.
2791
2792 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
2793
2794         PR tree-optimization/81744
2795         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
2796         loop's number of iterations.
2797
2798 2017-08-08  Martin Liska  <mliska@suse.cz>
2799
2800         * asan.c: Include header files.
2801         * attribs.c (build_decl_attribute_variant): New function moved
2802         from tree.[ch].
2803         (build_type_attribute_qual_variant): Likewise.
2804         (cmp_attrib_identifiers): Likewise.
2805         (simple_cst_list_equal): Likewise.
2806         (omp_declare_simd_clauses_equal): Likewise.
2807         (attribute_value_equal): Likewise.
2808         (comp_type_attributes): Likewise.
2809         (build_type_attribute_variant): Likewise.
2810         (lookup_ident_attribute): Likewise.
2811         (remove_attribute): Likewise.
2812         (merge_attributes): Likewise.
2813         (merge_type_attributes): Likewise.
2814         (merge_decl_attributes): Likewise.
2815         (merge_dllimport_decl_attributes): Likewise.
2816         (handle_dll_attribute): Likewise.
2817         (attribute_list_equal): Likewise.
2818         (attribute_list_contained): Likewise.
2819         * attribs.h (lookup_attribute): New function moved from tree.[ch].
2820         (lookup_attribute_by_prefix): Likewise.
2821         * bb-reorder.c: Include header files.
2822         * builtins.c: Likewise.
2823         * calls.c: Likewise.
2824         * cfgexpand.c: Likewise.
2825         * cgraph.c: Likewise.
2826         * cgraphunit.c: Likewise.
2827         * convert.c: Likewise.
2828         * dwarf2out.c: Likewise.
2829         * final.c: Likewise.
2830         * fold-const.c: Likewise.
2831         * function.c: Likewise.
2832         * gimple-expr.c: Likewise.
2833         * gimple-fold.c: Likewise.
2834         * gimple-pretty-print.c: Likewise.
2835         * gimple.c: Likewise.
2836         * gimplify.c: Likewise.
2837         * hsa-common.c: Likewise.
2838         * hsa-gen.c: Likewise.
2839         * internal-fn.c: Likewise.
2840         * ipa-chkp.c: Likewise.
2841         * ipa-cp.c: Likewise.
2842         * ipa-devirt.c: Likewise.
2843         * ipa-fnsummary.c: Likewise.
2844         * ipa-inline.c: Likewise.
2845         * ipa-visibility.c: Likewise.
2846         * ipa.c: Likewise.
2847         * lto-cgraph.c: Likewise.
2848         * omp-expand.c: Likewise.
2849         * omp-general.c: Likewise.
2850         * omp-low.c: Likewise.
2851         * omp-offload.c: Likewise.
2852         * omp-simd-clone.c: Likewise.
2853         * opts-global.c: Likewise.
2854         * passes.c: Likewise.
2855         * predict.c: Likewise.
2856         * sancov.c: Likewise.
2857         * sanopt.c: Likewise.
2858         * symtab.c: Likewise.
2859         * toplev.c: Likewise.
2860         * trans-mem.c: Likewise.
2861         * tree-chkp.c: Likewise.
2862         * tree-eh.c: Likewise.
2863         * tree-into-ssa.c: Likewise.
2864         * tree-object-size.c: Likewise.
2865         * tree-parloops.c: Likewise.
2866         * tree-profile.c: Likewise.
2867         * tree-ssa-ccp.c: Likewise.
2868         * tree-ssa-live.c: Likewise.
2869         * tree-ssa-loop.c: Likewise.
2870         * tree-ssa-sccvn.c: Likewise.
2871         * tree-ssa-structalias.c: Likewise.
2872         * tree-ssa.c: Likewise.
2873         * tree-streamer-in.c: Likewise.
2874         * tree-vectorizer.c: Likewise.
2875         * tree-vrp.c: Likewise.
2876         * tsan.c: Likewise.
2877         * ubsan.c: Likewise.
2878         * varasm.c: Likewise.
2879         * varpool.c: Likewise.
2880         * tree.c: Remove functions moved to attribs.[ch].
2881         * tree.h: Likewise.
2882         * config/aarch64/aarch64.c: Add attrs.h header file.
2883         * config/alpha/alpha.c: Likewise.
2884         * config/arc/arc.c: Likewise.
2885         * config/arm/arm.c: Likewise.
2886         * config/avr/avr.c: Likewise.
2887         * config/bfin/bfin.c: Likewise.
2888         * config/c6x/c6x.c: Likewise.
2889         * config/cr16/cr16.c: Likewise.
2890         * config/cris/cris.c: Likewise.
2891         * config/darwin.c: Likewise.
2892         * config/epiphany/epiphany.c: Likewise.
2893         * config/fr30/fr30.c: Likewise.
2894         * config/frv/frv.c: Likewise.
2895         * config/ft32/ft32.c: Likewise.
2896         * config/h8300/h8300.c: Likewise.
2897         * config/i386/winnt.c: Likewise.
2898         * config/ia64/ia64.c: Likewise.
2899         * config/iq2000/iq2000.c: Likewise.
2900         * config/lm32/lm32.c: Likewise.
2901         * config/m32c/m32c.c: Likewise.
2902         * config/m32r/m32r.c: Likewise.
2903         * config/m68k/m68k.c: Likewise.
2904         * config/mcore/mcore.c: Likewise.
2905         * config/microblaze/microblaze.c: Likewise.
2906         * config/mips/mips.c: Likewise.
2907         * config/mmix/mmix.c: Likewise.
2908         * config/mn10300/mn10300.c: Likewise.
2909         * config/moxie/moxie.c: Likewise.
2910         * config/msp430/msp430.c: Likewise.
2911         * config/nds32/nds32-isr.c: Likewise.
2912         * config/nds32/nds32.c: Likewise.
2913         * config/nios2/nios2.c: Likewise.
2914         * config/nvptx/nvptx.c: Likewise.
2915         * config/pa/pa.c: Likewise.
2916         * config/pdp11/pdp11.c: Likewise.
2917         * config/powerpcspe/powerpcspe.c: Likewise.
2918         * config/riscv/riscv.c: Likewise.
2919         * config/rl78/rl78.c: Likewise.
2920         * config/rx/rx.c: Likewise.
2921         * config/s390/s390.c: Likewise.
2922         * config/sh/sh.c: Likewise.
2923         * config/sol2.c: Likewise.
2924         * config/sparc/sparc.c: Likewise.
2925         * config/spu/spu.c: Likewise.
2926         * config/stormy16/stormy16.c: Likewise.
2927         * config/tilegx/tilegx.c: Likewise.
2928         * config/tilepro/tilepro.c: Likewise.
2929         * config/v850/v850.c: Likewise.
2930         * config/vax/vax.c: Likewise.
2931         * config/visium/visium.c: Likewise.
2932         * config/xtensa/xtensa.c: Likewise.
2933
2934 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2935
2936         PR target/81593
2937         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
2938         constraints since the -mupper-regs-* switches have been
2939         eliminated.
2940         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
2941         into a vector from a double word element that was extracted from
2942         another vector, and eliminate extra XXPERMDI instructions.
2943         (vsx_concat_<mode>_2): Likewise.
2944         (vsx_concat_<mode>_3): Likewise.
2945         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
2946         concat to allow optimizing inserts from previous extracts.
2947
2948 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
2949
2950         * config/i386/i386.c (ix86_stack_protect_guard): Generate
2951         memory reference to a SSP offset in TLS address space.
2952         (ix86_print_operand) <case '@'>: Remove.
2953         (ix86_print_operand_punct_valid_p): Remove '@' code.
2954         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
2955         UNSPEC_SP_TLS_TEST.
2956         (stack_tls_protect_set_<mode>): Remove.
2957         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
2958         (stack_tls_protect_test_<mode>): Remove.
2959         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
2960
2961 2017-08-07  Olivier Hainque  <hainque@adacore.com>
2962
2963         PR target/81755
2964         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
2965
2966 2017-08-07  Douglas Rupp  <rupp@adacore.com>
2967
2968         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
2969         variable was referenced as multidir in command.
2970
2971 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
2972
2973         PR c/69389
2974         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
2975         BIT_FIELD_REF.
2976
2977 2017-08-07  Martin Liska  <mliska@suse.cz>
2978
2979         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
2980         * config/rl78/rl78.c: Add include of attribs.h.
2981         * config/sh/sh.c: Likewise.
2982         * config/v850/v850.c: Likewise.
2983
2984 2017-08-07  Tom de Vries  <tom@codesourcery.com>
2985
2986         PR middle-end/78266
2987         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
2988
2989 2017-08-07  Martin Liska  <mliska@suse.cz>
2990
2991         * config/mips/mips.c: Include attribs.h.
2992
2993 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
2994
2995         PR fortran/68829
2996         * doc/invoke.texi: Document change in behvaior for -Ofast for
2997         Fortran.
2998
2999 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
3000
3001         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
3002         Use gen_frame_mem.
3003         (aarch64_pop_regs): Likewise.
3004         (aarch64_gen_load_pair): Likewise.
3005         (aarch64_save_callee_saves): Likewise.
3006         (aarch64_restore_callee_saves): Likewise.
3007
3008 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3009
3010         * config/i386/i386.c: Revert the last change.
3011
3012 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3013
3014         PR target/81736
3015         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
3016         to ...
3017         (ix86_finalize_stack_frame_flags): This.  Also clear
3018         frame_pointer_needed if -fno-omit-frame-pointer is used without
3019         stack access.
3020         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
3021         with ix86_finalize_stack_frame_flags.
3022         (ix86_expand_epilogue): Likewise.
3023         (ix86_expand_split_stack_prologue): Likewise.
3024
3025 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3026
3027         PR target/81743
3028         * config/i386/i386.c (get_builtin_code_for_version): Set priority
3029         to P_AES for Westmere.
3030
3031 2017-08-07  Jonathan Yong  <10walls@gmail.com>
3032
3033         * config/i386/mingw.opt (fset-stack-executable): Removed.
3034         * config/i386/cygming.opt (fset-stack-executable): Moved
3035         from mingw.opt.
3036         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
3037
3038 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
3039
3040         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
3041
3042 2017-08-07  Marek Polacek  <polacek@redhat.com>
3043
3044         PR middle-end/81737
3045         * fold-const.c (fold_indirect_ref_1): Check type_domain.
3046
3047 2017-08-07  Martin Liska  <mliska@suse.cz>
3048
3049         * attribs.h (canonicalize_attr_name): New function.
3050         (cmp_attribs): Move from c-format.c and adjusted.
3051         (is_attribute_p): Moved from tree.h.
3052         * tree-inline.c: Add new includes.
3053         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
3054         (private_is_attribute_p): Remove.
3055         (private_lookup_attribute): Likewise.
3056         (private_lookup_attribute_by_prefix): Simplify.
3057         (remove_attribute): Use is_attribute_p.
3058         * tree.h: Remove removed declarations.
3059
3060 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
3061
3062         PR middle-end/81698
3063         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
3064         instead of computing it in the function.  Formatting fix.
3065         (expand_case): Don't rely on default_edge being the first edge,
3066         clear it if removing it, pass default_edge to
3067         emit_case_dispatch_table.
3068         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
3069         fix.
3070
3071 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
3072
3073         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
3074         insn in the function, emit NOP after the insn.
3075
3076 2017-08-06  Tom de Vries  <tom@codesourcery.com>
3077
3078         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
3079         and element loops.
3080
3081 2017-08-06  Tom de Vries  <tom@codesourcery.com>
3082
3083         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
3084         loop.
3085
3086 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
3087
3088         PR tree-optimization/57371
3089         * match.pd: New pattern.
3090
3091 2017-08-04  Marek Polacek  <polacek@redhat.com>
3092
3093         PR middle-end/81695
3094         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
3095         perform the computation in offset_int.
3096
3097 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
3098
3099         PR tree-optimization/81136
3100         * tree-vectorizer.h: Include tree-hash-traits.h.
3101         (vec_base_alignments): New typedef.
3102         (vec_info): Add a base_alignments field.
3103         (vect_record_base_alignments): Declare.
3104         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
3105         field.
3106         (DR_IS_CONDITIONAL_IN_STMT): New macro.
3107         (create_data_ref): Add an is_conditional_in_stmt argument.
3108         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
3109         the is_conditional_in_stmt field.
3110         (data_ref_loc): Add an is_conditional_in_stmt field.
3111         (get_references_in_stmt): Set the is_conditional_in_stmt field.
3112         (find_data_references_in_stmt): Update call to create_data_ref.
3113         (graphite_find_data_references_in_stmt): Likewise.
3114         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
3115         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
3116         (vect_record_base_alignment): New function.
3117         (vect_record_base_alignments): Likewise.
3118         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
3119         for nested statements even if we fail to compute a misalignment.
3120         Use pooled base alignments for unconditional references.
3121         (vect_find_same_alignment_drs): Compare base addresses instead
3122         of base objects.
3123         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
3124         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
3125
3126 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
3127
3128         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
3129         Add an explicit name for the enum.  Use auto_vec for slp_instances
3130         and grouped_stores.
3131         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
3132         for all vectors.
3133         (_bb_vec_info): Add a constructor and destructor.
3134         (vinfo_for_stmt): Return NULL for uids of -1 as well.
3135         (destroy_loop_vec_info): Delete.
3136         (vect_destroy_datarefs): Likewise.
3137         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
3138         (vec_info::vec_info): New function.
3139         (vec_info::~vec_info): Likewise.
3140         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
3141         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
3142         destroy_loop_vec_info.
3143         * tree-vect-loop.c (new_loop_vec_info): Replace with...
3144         (_loop_vec_info::_loop_vec_info): ...this.
3145         (destroy_loop_vec_info): Replace with...
3146         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
3147         the stmt_vec_infos.  Leave handling of vec_info information to its
3148         destructor.  Remove explicit vector releases.
3149         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
3150         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
3151         * tree-vect-slp.c (new_bb_vec_info): Replace with...
3152         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
3153         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
3154         (destroy_bb_vec_info): Replace with...
3155         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
3156         information to its destructor.
3157         (vect_slp_analyze_bb_1): Use new and delete instead of
3158         new_bb_vec_info and destroy_bb_vec_info.
3159         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
3160         single delete.
3161
3162 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
3163
3164         * tree-data-ref.h (subscript): Add access_fn field.
3165         (data_dependence_relation): Add could_be_independent_p.
3166         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
3167         (same_access_functions): Move to tree-data-ref.c.
3168         * tree-data-ref.c (ref_contains_union_access_p): New function.
3169         (access_fn_component_p): Likewise.
3170         (access_fn_components_comparable_p): Likewise.
3171         (dr_analyze_indices): Add a reference to access_fn_component_p.
3172         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
3173         DR_ACCESS_FN.
3174         (constant_access_functions): Likewise.
3175         (add_other_self_distances): Likewise.
3176         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
3177         (initialize_data_dependence_relation): Use XCNEW and remove
3178         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
3179         of access functions that have the same type.  Allow the
3180         subsequence to end with different bases in some circumstances.
3181         Record the chosen access functions in SUB_ACCESS_FN.
3182         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
3183         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
3184         (subscript_dependence_tester_1): Likewise dra and drb.
3185         (build_classic_dist_vector): Update calls accordingly.
3186         (subscript_dependence_tester): Likewise.
3187         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
3188         DDR_COULD_BE_INDEPENDENT_P.
3189         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
3190         comp_alias_ddrs instead of may_alias_ddrs.
3191         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
3192         New function.
3193         (vect_analyze_data_ref_dependence): Use it if
3194         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
3195         distance vectors if that fails.
3196         (dependence_distance_ge_vf): New function.
3197         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
3198         LOOP_VINFO_MAY_ALIAS_DDRS.
3199
3200 2017-08-04  Richard Biener  <rguenther@suse.de>
3201
3202         PR middle-end/81705
3203         * fold-const.c (fold_binary_loc): Properly restrict
3204         minus_var0 && minus_var1 case when associating undefined overflow
3205         entities.
3206
3207 2017-08-04  Tom de Vries  <tom@codesourcery.com>
3208
3209         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
3210
3211 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3212
3213         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3214         Don't start diagnostic messages with a capital letter.
3215         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3216         Likewise.
3217         (rs6000_invalid_builtin): Likewise.
3218         (rs6000_trampoline_init): Likewise.
3219
3220 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
3221
3222         PR target/81621
3223         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
3224         after setting changeable df flags.
3225
3226 2017-08-03  Richard Biener  <rguenther@suse.de>
3227
3228         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
3229         up if the use is in USE - X.
3230
3231 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
3232
3233         * toplev.c (dumpfile.h): New include.
3234         (internal_error_reentered): New static function.  Use it...
3235         (internal_error_function): ...here to handle reentered internal_error.
3236
3237 2017-08-03  Richard Biener  <rguenther@suse.de>
3238
3239         PR middle-end/81148
3240         * fold-const.c (split_tree): Add minus_var and minus_con
3241         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
3242         here but always use minus_*.
3243         (associate_trees): Assert we never associate with MINUS_EXPR
3244         and NULL first operand.  Do not recurse for PLUS_EXPR operands
3245         when associating as MINUS_EXPR either.
3246         (fold_binary_loc): Track minus_var and minus_con.
3247
3248 2017-08-03  Tom de Vries  <tom@codesourcery.com>
3249
3250         PR lto/81430
3251         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
3252         ACCEL_COMPILER, apply finish_options on
3253         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
3254
3255 2017-08-03  Tom de Vries  <tom@codesourcery.com>
3256
3257         PR target/81662
3258         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
3259         function_entry_patch_area_size > 0.
3260
3261 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
3262
3263         PR driver/81650
3264         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
3265         instead of 10??LU, perform unit multiplication in wide_int,
3266         don't change alloc_object_size_limit if the limit is larger
3267         than SSIZE_MAX.
3268
3269         PR tree-optimization/81655
3270         PR tree-optimization/81588
3271         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
3272         the case when ranges[i].low and high are 1 for unsigned type with
3273         precision 1.
3274
3275         PR middle-end/81052
3276         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
3277         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
3278
3279 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3280
3281         * tree-vrp.h: Add include guard.
3282
3283 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
3284
3285         PR target/81644
3286         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
3287         (ud2): New insn pattern.
3288         * config/i386/i386.c (ix86_expand_epilogue):
3289         For naked functions, generate ud2 instead of trap insn.
3290
3291 2017-08-02  Marek Polacek  <polacek@redhat.com>
3292
3293         PR other/81667
3294         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
3295
3296 2017-08-02  Tom de Vries  <tom@codesourcery.com>
3297             Cesar Philippidis  <cesar@codesourcery.com>
3298
3299         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
3300         Add missing edge probabilities.
3301
3302 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
3303
3304         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
3305         Correct endianness.
3306
3307 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
3308
3309         PR middle-end/79499
3310         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
3311         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
3312         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
3313         prologue_seq sequences - if any.
3314
3315 2017-08-02  Richard Biener  <rguenther@suse.de>
3316
3317         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
3318         via vectors if supported, integer extracts via punning if supported
3319         or otherwise vector extracts.
3320
3321 2017-08-02  Richard Biener  <rguenther@suse.de>
3322
3323         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
3324         into ...
3325         (bitmap_insert_into_set): ... this.
3326
3327 2017-08-02  Richard Biener  <rguenther@suse.de>
3328
3329         PR tree-optimization/81633
3330         Revert
3331         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
3332
3333         PR tree-optimization/71752
3334         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
3335
3336 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
3337
3338         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
3339         (machine_function::call_ms2sysv_pad_out): Remove field.
3340         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
3341         (ix86_compute_frame_layout): Likewise.
3342
3343 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3344
3345         PR target/81654
3346         * config/i386/i386.c (ix86_set_func_type): Disallow naked
3347         attribute with interrupt attribute.
3348
3349 2017-08-01  Andrew Pinski  <apinski@cavium.com>
3350
3351         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
3352         BIT_INSERT_EXPR's operand 1
3353         to see if the types precision matches.
3354
3355 2017-08-01  Martin Liska  <mliska@suse.cz>
3356
3357         PR middle-end/70140
3358         * builtins.c (expand_builtin_memcpy_args): Remove.
3359         (expand_builtin_memcpy): Call newly added function
3360         expand_builtin_memory_copy_args.
3361         (expand_builtin_memcpy_with_bounds): Likewise.
3362         (expand_builtin_mempcpy): Remove last argument.
3363         (expand_builtin_mempcpy_with_bounds): Likewise.
3364         (expand_builtin_memory_copy_args): New function created from
3365         expand_builtin_mempcpy_args with small modifications.
3366         (expand_builtin_mempcpy_args): Remove.
3367         (expand_builtin_stpcpy): Remove unused argument.
3368         (expand_builtin): Likewise.
3369         (expand_builtin_with_bounds): Likewise.
3370
3371 2017-08-01  Martin Liska  <mliska@suse.cz>
3372
3373         Revert r250771
3374         Make mempcpy more optimal (PR middle-end/70140).
3375
3376 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
3377
3378         PR target/81622
3379         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
3380         __builtin_vec_cmpne verify both arguments are compatible vectors
3381         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
3382         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
3383         move computation of aligned to after checking the argument types.
3384         Formatting fixes.
3385
3386         PR target/80846
3387         * config/rs6000/vsx.md (vextract_fp_from_shorth,
3388         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
3389         calls.
3390
3391 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
3392             Doug Rupp  <rupp@adacore.com>
3393             Olivier Hainque  <hainque@adacore.com>
3394
3395         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
3396         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
3397         arm8 (arch v4).
3398         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
3399         for TARGET_OS_CPP_BUILTIN.
3400         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
3401         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
3402         arm_arch7.
3403         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
3404         passing required abi options to the assembler for EABI configurations.
3405         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
3406         of .text.hot and .text.unlikely sections for kernel modules when
3407         using ARM style exceptions.
3408         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
3409         options. Add EXTRA_CC1_SPEC.
3410         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
3411         toolchain options.
3412         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
3413         transition.
3414         (ARM_TARGET2_DWARF_FORMAT): Define.
3415         * config/arm/t-vxworks: Adjust multilib control to removal of the
3416         Diab command line options.
3417
3418 2017-08-01  Martin Liska  <mliska@suse.cz>
3419
3420         PR gcov-profile/81561
3421         * gcov.c (unblock): Make unblocking safe as we need to preserve
3422         index correspondence of blocks and block_lists.
3423
3424 2017-08-01  Richard Biener  <rguenther@suse.de>
3425
3426         PR tree-optimization/81181
3427         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
3428         (compute_antic): ... end of iteration here.
3429
3430 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
3431
3432         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
3433         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
3434         (ftree-slp-vectorize): Likewise.
3435         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
3436         can no longer be set independent of flag_tree_loop_vectorize.
3437         * omp-general.c (emp_max_vf): Likewise.
3438         * opts.c (enable_fdo_optimizations): Remove references to
3439         flag_tree_vectorize, these are now implicit.
3440         (common_handle_option): Remove handling for OPT_ftree_vectorize,
3441         and leave it for the options machinery.
3442
3443 2017-08-01  Martin Liska  <mliska@suse.cz>
3444
3445         PR middle-end/70140
3446         * builtins.c (expand_builtin_memcpy_args): Remove.
3447         (expand_builtin_memcpy): Call newly added function
3448         expand_builtin_memory_copy_args.
3449         (expand_builtin_memcpy_with_bounds): Likewise.
3450         (expand_builtin_mempcpy): Remove last argument.
3451         (expand_builtin_mempcpy_with_bounds): Likewise.
3452         (expand_builtin_memory_copy_args): New function created from
3453         expand_builtin_mempcpy_args with small modifications.
3454         (expand_builtin_mempcpy_args): Remove.
3455         (expand_builtin_stpcpy): Remove unused argument.
3456         (expand_builtin): Likewise.
3457         (expand_builtin_with_bounds): Likewise.
3458
3459 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
3460
3461         PR target/81641
3462         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
3463         print "ds:" only for immediates in generic address space.
3464
3465 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
3466
3467         PR target/81639
3468         * config/i386/i386.c (ix86_funciton_naked): New prototype.
3469         (ix86_function_ok_for_sibcall): Return false for naked functions.
3470
3471 2017-08-01  Richard Biener  <rguenther@suse.de>
3472
3473         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
3474         (compute_antic): Seed worklist with exit block predecessors.
3475         * cfganal.c (dfs_find_deadend): For a cycle return the source
3476         of the edge closing it.
3477
3478 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
3479
3480         * config/aarch64/aarch64.c
3481         (aarch64_can_const_movi_rtx_p): Move 0 check.
3482
3483 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
3484
3485         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
3486         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
3487         above macro.
3488         * match.pd: Ditto in address comparison pattern.
3489
3490 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
3491
3492         PR tree-optimization/81627
3493         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
3494         closed ssa form for store-store chain.
3495
3496 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
3497
3498         PR tree-optimization/81620
3499         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
3500         for store-store chain.
3501
3502 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
3503
3504         PR tree-optimization/81588
3505         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
3506         ranges[i].in_p, invert comparison code ccode.  For >/>=,
3507         swap rhs1 and rhs2 and comparison code unconditionally,
3508         for </<= don't do that.  Don't swap rhs1/rhs2 again if
3509         ranges[i].in_p, instead invert comparison code ccode if
3510         opcode or oe->rank is BIT_IOR_EXPR.
3511
3512         PR target/80846
3513         * optabs.def (vec_extract_optab, vec_init_optab): Change from
3514         a direct optab to conversion optab.
3515         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
3516         with GET_MODE_INNER as last argument instead of optab_handler.
3517         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
3518         vector extraction if possible and optab is available.
3519         * expr.c (store_constructor): Use convert_optab_handler instead
3520         of optab_handler.  Use vector initialization from smaller
3521         vectors if possible and optab is available.
3522         * tree-vect-stmts.c (vectorizable_load): Likewise.
3523         * doc/md.texi (vec_extract, vec_init): Document that the optabs
3524         now have two modes.
3525         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
3526         of vec_init from half-sized vectors with the same element mode.
3527         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
3528         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
3529         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
3530         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
3531         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
3532         after mode in gen_vec_extract* calls.
3533         (vec_extract<mode>): Renamed to ...
3534         (vec_extract<mode><ssescalarmodelower>): ... this.
3535         (vec_extract<mode><ssehalfvecmodelower>): New expander.
3536         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
3537         element mode after mode in gen_vec_init* calls.
3538         (VEC_INIT_HALF_MODE): New mode iterator.
3539         (vec_init<mode>): Renamed to ...
3540         (vec_init<mode><ssescalarmodelower>): ... this.
3541         (vec_init<mode><ssehalfvecmodelower>): New expander.
3542         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
3543         (vec_extractv2sfsf): ... this.
3544         (vec_initv2sf): Renamed to ...
3545         (vec_initv2sfsf): ... this.
3546         (vec_extractv2si): Renamed to ...
3547         (vec_extractv2sisi): ... this.
3548         (vec_initv2si): Renamed to ...
3549         (vec_initv2sisi): ... this.
3550         (vec_extractv4hi): Renamed to ...
3551         (vec_extractv4hihi): ... this.
3552         (vec_initv4hi): Renamed to ...
3553         (vec_initv4hihi): ... this.
3554         (vec_extractv8qi): Renamed to ...
3555         (vec_extractv8qiqi): ... this.
3556         (vec_initv8qi): Renamed to ...
3557         (vec_initv8qiqi): ... this.
3558         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
3559         (vec_init<mode>): Renamed to ...
3560         (vec_init<mode><VEC_base_l>): ... this.
3561         (vec_extract<mode>): Renamed to ...
3562         (vec_extract<mode><VEC_base_l>): ... this.
3563         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
3564         (vec_initv2sfsf): ... this.
3565         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
3566         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
3567         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
3568         element mode after mode in gen_vec_init* calls.
3569         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
3570         (vec_init<mode><Vel>): ... this.
3571         (vec_extract<mode>): Renamed to ...
3572         (vec_extract<mode><Vel>): ... this.
3573         * config/aarch64/iterators.md (Vel): New mode attribute.
3574         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
3575         Add element mode after mode in gen_vec_extract* calls.
3576         * config/s390/vector.md (non_vec_l): New mode attribute.
3577         (vec_extract<mode>): Renamed to ...
3578         (vec_extract<mode><non_vec_l>): ... this.
3579         (vec_init<mode>): Renamed to ...
3580         (vec_init<mode><non_vec_l>): ... this.
3581         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
3582         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
3583         vec_extract mode.
3584         * config/arm/iterators.md (V_elem_l): New mode attribute.
3585         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
3586         (vec_extract<mode><V_elem_l>): ... this.
3587         (vec_extractv2di): Renamed to ...
3588         (vec_extractv2didi): ... this.
3589         (vec_init<mode>): Renamed to ...
3590         (vec_init<mode><V_elem_l>): ... this.
3591         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
3592         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
3593         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
3594         Add element mode after gen_vec_extract* calls.
3595         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
3596         (vec_init<mode><unitmode>): ... this.
3597         (vec_extract<mode>): Renamed to ...
3598         (vec_extract<mode><unitmode>): ... this.
3599         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
3600         (vec_init<mode><unitmode>): ... this.
3601         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
3602         (vec_initv2sfsf): ... this.
3603         (vec_extractv2sf): Renamed to ...
3604         (vec_extractv2sfsf): ... this.
3605         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
3606         Add element mode after gen_vec_extract* calls.
3607         * config/mips/mips.md (unitmode): New mode iterator.
3608         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
3609         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
3610         * config/spu/spu.md (inner_l): New mode attribute.
3611         (vec_init<mode>): Renamed to ...
3612         (vec_init<mode><inner_l>): ... this.
3613         (vec_extract<mode>): Renamed to ...
3614         (vec_extract<mode><inner_l>): ... this.
3615         * config/sparc/sparc.md (veltmode): New mode iterator.
3616         (vec_init<VMALL:mode>): Renamed to ...
3617         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
3618         * config/ia64/vect.md (vec_initv2si): Renamed to ...
3619         (vec_initv2sisi): ... this.
3620         (vec_initv2sf): Renamed to ...
3621         (vec_initv2sfsf): ... this.
3622         (vec_extractv2sf): Renamed to ...
3623         (vec_extractv2sfsf): ... this.
3624         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
3625         (vec_init<mode>): Renamed to ...
3626         (vec_init<mode><VEC_base_l>): ... this.
3627         (vec_extract<mode>): Renamed to ...
3628         (vec_extract<mode><VEC_base_l>): ... this.
3629         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
3630         (vec_initv2sfsf): ... this.
3631         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
3632         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
3633         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
3634         gen_vec_init* calls.
3635
3636 2017-08-01  Richard Biener  <rguenther@suse.de>
3637
3638         PR tree-optimization/81297
3639         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
3640         TREE_OVERFLOW from INTEGER_CSTs.
3641
3642 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
3643
3644         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
3645
3646 2017-07-31  Carl Love  <cel@us.ibm.com>
3647
3648         * config/rs6000/rs6000-c: Add support for built-in functions
3649         vector signed char vec_xl_be (signed long long, signed char *);
3650         vector unsigned char vec_xl_be (signed long long, unsigned char *);
3651         vector signed int vec_xl_be (signed long long, signed int *);
3652         vector unsigned int vec_xl_be (signed long long, unsigned int *);
3653         vector signed long long vec_xl_be (signed long long, signed long long *);
3654         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
3655         vector signed short vec_xl_be (signed long long, signed short *);
3656         vector unsigned short vec_xl_be (signed long long, unsigned short *);
3657         vector double vec_xl_be (signed long long, double *);
3658         vector float vec_xl_be (signed long long, float *);
3659         * config/rs6000/altivec.h (vec_xl_be): Add #define.
3660         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
3661         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
3662         for the builtins.
3663         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
3664         (altivec_expand_builtin): Add switch statement to call
3665         altivec_expand_xl_be for each builtin.
3666         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
3667         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
3668         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
3669         __builtin_vsx_le_be_v16qi.
3670         * doc/extend.texi: Update the built-in documentation file for the
3671         new built-in functions.
3672
3673 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
3674
3675         PR target/25967
3676         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
3677         New function.
3678         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
3679
3680 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3681
3682         * config.gcc: Add z14.
3683         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
3684         CPU model numbers for z13s and z14.
3685         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
3686         arch12 with z14.
3687         * config/s390/s390-opts.h (enum processor_type): Rename
3688         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
3689         * config/s390/s390.c (processor_table): Add field for CPU name to
3690         be passed to Binutils.
3691         (s390_asm_output_machine_for_arch): Use the new field in
3692         processor_table for Binutils.
3693         (s390_expand_builtin): Replace arch12 with z14.
3694         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
3695         (s390_get_sched_attrmask): Likewise.
3696         (s390_get_unit_mask): Likewise.
3697         * config/s390/s390.opt: Add z14 to processor_type enum.
3698
3699 2017-07-31  Martin Jambor  <mjambor@suse.cz>
3700
3701         PR hsa/81477
3702         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
3703         regardless of optimization level.
3704
3705 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
3706             Martin Liska  <mliska@suse.cz>
3707
3708         * predict.def: Remove old comment and adjust probability.
3709         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
3710         PREDICT statements.
3711
3712 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
3713
3714         PR target/25967
3715         * config/i386/i386.c (ix86_function_naked): New function.
3716         (ix86_can_use_return_insn_p): Return false for naked functions.
3717         (ix86_expand_prologue): Skip prologue for naked functions.
3718         (ix86_expand_epilogue): Skip epilogue for naked functions
3719         and emit trap instruction.
3720         (ix86_warn_func_return): New function.
3721         (ix86_attribute_table): Add "naked" attribute specification.
3722         (TARGET_WARN_FUNC_RETURN): Define.
3723         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
3724
3725 2017-07-31  Martin Liska  <mliska@suse.cz>
3726
3727         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
3728         (dump_gimple_bb_header): Always dump BB info.
3729         (pp_cfg_jump): Do not append info about BB when dumping a jump.
3730
3731 2017-07-31  Martin Liska  <mliska@suse.cz>
3732
3733         PR sanitize/81530
3734         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
3735         also with current_function_decl non-null equality.
3736
3737 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
3738
3739         PR sanitizer/81604
3740         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
3741         change type to the element type, instead add eltype variable and
3742         use it where we are interested in the element type.
3743
3744         PR tree-optimization/81603
3745         * ipa-polymorphic-call.c
3746         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
3747         offset arithmetic in offset_int, bail out if the resulting bit offset
3748         doesn't fit into shwi.
3749
3750 2017-07-31  Martin Liska  <mliska@suse.cz>
3751
3752         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
3753         (gimplify_save_expr): Fix comment.
3754
3755 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3756
3757         PR target/79793
3758         * config/i386/i386.c (ix86_function_arg): Update arguments for
3759         exception handler.
3760         (ix86_compute_frame_layout): Set the initial stack offset to
3761         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
3762         INCOMING_FRAME_SP_OFFSET.
3763         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
3764         stack before exception handler returns.
3765         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
3766         the 'ERROR_CODE' for exception handler.
3767
3768 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
3769
3770         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
3771         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
3772         (ASM_OUTPUT_REG_POP): Ditto.
3773         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
3774         instead of asm_fprintf to output pure string.
3775
3776 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
3777
3778         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
3779         to imported_module_or_decl hook.
3780         (debug_nothing_tree_tree_tree_bool): Remove.
3781         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
3782         * debug.c (do_nothing_debug_hooks): Use
3783         debug_nothing_tree_tree_tree_bool_bool instead of
3784         debug_nothing_tree_tree_tree_bool.
3785         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
3786         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
3787         * sdbout.c (sdb_debug_hooks): Likewise.
3788         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
3789         (gen_namespace_die): Add DW_AT_export_symbols attribute if
3790         langhook wants it.
3791         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
3792         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
3793         attribute, don't add anything.
3794
3795 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3796
3797         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
3798         (fold_build2_stat_loc): Likewise.
3799         (fold_build3_stat_loc): Likewise.
3800         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
3801         (fold_build1_loc): Remove macro.
3802         (fold_build2_loc): Likewise.
3803         (fold_build3_loc): Likewise.
3804
3805 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3806
3807         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
3808         (gimple_build_debug_bind_source_stat): Likewise.
3809         * gimple.h (gimple_build_debug_bind): Remove macro.
3810         (gimple_build_debug_bind_source): Likewise.
3811
3812 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3813
3814         * bitmap.c (bitmap_alloc): Adjust.
3815         (bitmap_gc_alloc): Likewise.
3816         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
3817
3818 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3819
3820         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
3821         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
3822         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
3823         (bitmap_gc_alloc_stat): Likewise.
3824         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
3825
3826 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3827
3828         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
3829         * rtl.h (shallow_copy_rtx): Remove macro.
3830
3831 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3832
3833         * emit-rtl.c (gen_raw_REG): Adjust.
3834         * gengenrtl.c (gendef): Likewise.
3835         * rtl.c (rtx_alloc_stat): Remove _stat from name.
3836         * rtl.h (rtx_alloc): Remove macro.
3837
3838 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3839
3840         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
3841         (build_tree_list_stat): Likewise.
3842         * tree.h (build_tree_list): Remove macro.
3843         (build_tree_list_vec): Likewise.
3844
3845 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3846
3847         * tree.c (make_vector_stat): Remove _stat from name.
3848         (build_vector_stat): Likewise.
3849         * tree.h (make_vector_stat): Remove macro.
3850         (build_vector_stat): Likewise.
3851
3852 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3853
3854         * tree.h (build_var_debug_value): Remove prototype.
3855
3856 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3857
3858         * tree.c (tree_cons_stat): Remove _stat from name.
3859         * tree.h (tree_cons): Remove macro.
3860
3861 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3862
3863         * tree.c (build_vl_exp_stat): Remove _stat from name.
3864         * tree.h (build_vl_exp): Remove macro.
3865
3866 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3867
3868         * tree.c (build_decl_stat): Remove _stat from name.
3869         * tree.h (build_decl): Remove macro.
3870
3871 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3872
3873         * gimple.c (gimple_build_with_ops_stat): Adjust.
3874         (gimple_alloc_stat): Remove _stat from name.
3875         * gimple.h (gimple_alloc): Remove macro.
3876
3877 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3878
3879         * tree.c (make_tree_vec_stat): Remove _stat from name.
3880         (grow_tree_vec_stat): Likewise.
3881         * tree.h (make_tree_vec_stat): Adjust prototype.
3882         (grow_tree_vec_stat): Likewise.
3883         (make_tree_vec): Remove macro.
3884         (grow_tree_vec): Likewise.
3885
3886 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3887
3888         * fold-const.c (fold_build1_stat_loc): Adjust.
3889         (fold_build2_stat_loc): Likewise.
3890         (fold_build3_stat_loc): Likewise.
3891         * tree.c (build0_stat): Remove _stat from name.
3892         (build1_stat): Likewise.
3893         (build2_stat): Likewise.
3894         (build3_stat): Likewise.
3895         (build4_stat): Likewise.
3896         (build5_stat): Likewise.
3897         * tree.h (build1_loc): Remove macro, and rename _stat function
3898         to this.
3899         (build2_loc): Likewise.
3900         (build3_loc): Likewise.
3901         (build4_loc): Likewise.
3902         (build5_loc): Likewise.
3903
3904 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3905
3906         * tree.c (make_int_cst_stat): Remove _stat from name.
3907         * tree.h (make_int_cst_stat): Adjust prototype.
3908         (make_int_cst): Remove macro.
3909
3910 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3911
3912         * tree.c (make_tre_binfo_stat): Remove _stat from name.
3913         * tree.h (make_tree_binfo_stat): Adjust prototype.
3914         (make_tree_binfo): Remove.
3915
3916 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3917
3918         * tree.c (copy_node_stat): Rename to copy_node.
3919         (build_distinct_type_copy): Adjust.
3920         * tree.h (copy_node_stat): Adjust prototype.
3921         (copy_node): Remove macro.
3922
3923 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
3924
3925         * tree.c (make_node_stat): rename to make_node.
3926         (build_tree_list_stat): Adjust.
3927         (build0_stat): Likewise.
3928         (build2_stat): Likewise.
3929         (build3_stat): Likewise.
3930         (build4_stat): Likewise.
3931         (build5_stat): Likewise.
3932         (build_decl_stat): Likewise.
3933         * tree.h (make_node_stat): Adjust prototype.
3934         (make_node): remove macro.
3935
3936 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
3937
3938         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
3939         (PPC_FEATURE2_SCV): Likewise.
3940         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
3941
3942 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
3943
3944         * config/aarch64/aarch64.c
3945         (aarch64_internal_mov_immediate): Add new special pattern.
3946         * config/aarch64/aarch64.md (*movdi_aarch64):
3947         Add reg/32bit const mov case.
3948
3949 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
3950             Richard Sandiford <richard.sandiford@linaro.org>
3951
3952         * config/aarch64/aarch64.md (mov<mode>): Generalize.
3953         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
3954         Add integer and movi cases.
3955         (movi-split-hf-df-sf split, fp16): New.
3956         (enabled): Added TARGET_FP_F16INST.
3957         * config/aarch64/iterators.md (GPF_HF): New.
3958         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
3959
3960 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
3961
3962         * config/aarch64/aarch64.c
3963         (aarch64_simd_container_mode): Add prototype.
3964         (aarch64_expand_mov_immediate): Add HI support.
3965         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
3966         (aarch64_can_const_movi_rtx_p): New.
3967         (aarch64_preferred_reload_class):
3968         Remove restrictions of using FP registers for certain SIMD operations.
3969         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
3970         (aarch64_valid_floating_const): Add integer move validation.
3971         (aarch64_simd_imm_scalar_p): Remove.
3972         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
3973         (aarch64_legitimate_constant_p): Expand list of supported cases.
3974         * config/aarch64/aarch64-protos.h
3975         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
3976         (aarch64_reinterpret_float_as_int): New.
3977         (aarch64_simd_imm_scalar_p): Remove.
3978         * config/aarch64/constraints.md (Uvi): New.
3979         (Dd): Split into Ds and new Dd.
3980         * config/aarch64/aarch64.md (*movsi_aarch64):
3981         Add SIMD mov case.
3982         (*movdi_aarch64): Add SIMD mov case.
3983
3984 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
3985
3986         * tree-predcom.c: (struct chain): Handle store-store chain in which
3987         stores for elimination only store loop invariant values.
3988         (execute_pred_commoning_chain): Ditto.
3989         (prepare_initializers_chain_store_elim): Ditto.
3990         (prepare_finalizers): Ditto.
3991         (is_inv_store_elimination_chain): New function.
3992         (initialize_root_vars_store_elim_1): New function.
3993
3994 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
3995
3996         * tree-predcom.c: Revise general description of the pass.
3997         (enum chain_type): New enum type for store elimination.
3998         (struct chain): New field supporting store elimination.
3999         (struct component): Ditto.
4000         (dump_chain): Dump store-stores chain.
4001         (release_chain): Release resources.
4002         (split_data_refs_to_components): Compute and create component
4003         contains only stores for elimination.
4004         (get_chain_last_ref_at): New function.
4005         (make_invariant_chain): Initialization.
4006         (make_rooted_chain): Specify chain type in parameter and record it.
4007         (add_looparound_copies): Skip for store-stores chain.
4008         (determine_roots_comp): Compute type of chain and pass it to
4009         make_rooted_chain.
4010         (initialize_root_vars_store_elim_2): New function.
4011         (finalize_eliminated_stores): New function.
4012         (remove_stmt): Handle store for elimination.
4013         (execute_pred_commoning_chain): Execute predictive commoning on
4014         store-store chains.
4015         (determine_unroll_factor): Skip unroll for store-stores chain.
4016         (prepare_initializers_chain_store_elim): New function.
4017         (prepare_initializers_chain): Hanlde store-store chain.
4018         (prepare_finalizers_chain, prepare_finalizers): New function.
4019         (tree_predictive_commoning_loop): Return integer value indicating
4020         if loop is unrolled or lcssa form is corrupted.
4021         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
4022
4023 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
4024
4025         * tree-predcom.c (initialize_root): Delete.
4026         (execute_pred_commoning_chain): Initialize root vars and replace
4027         reference of non-combined chain directly, rather than call above
4028         function.
4029
4030 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
4031
4032         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
4033         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
4034
4035 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
4036
4037         * tree-predcom.c (struct chain): New field init_seq.
4038         (release_chain): Release init_seq.
4039         (prepare_initializers_chain): Record intialization stmts in above
4040         field.
4041         (insert_init_seqs): New function.
4042         (tree_predictive_commoning_loop): Call insert_init_seqs.
4043
4044 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
4045
4046         * tree-predcom.c (determine_roots_comp): Skip trivial components.
4047
4048 2017-07-28  Richard Biener  <rguenther@suse.de>
4049
4050         * match.pd: Remove superfluous :c.
4051         * genmatch.c (simplify::id): Add member.
4052         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
4053         Copy id.
4054         (current_id): New global.
4055         (dt_node::parent): Move from ...
4056         (dt_operand::parent): ... here.  Add for_id member.
4057         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
4058         (decision_tree::find_node): Relax order requirement when
4059         merging DT_TRUE nodes to ones inbetween the current simplify
4060         and the one we try to merge with.  Add diagnostic whenever
4061         we need to enforce pattern order by not merging.
4062         (decision_tree::insert): Set current_id.
4063         (decision_tree::print_node): Dump parent node and for_id.
4064         (parser::last_id): Add member.
4065         (parser::push_simplify): Assign unique id.
4066         (parser::parser): Initialize last_id.
4067
4068 2017-07-28  Martin Liska  <mliska@suse.cz>
4069
4070         PR sanitizer/81340
4071         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
4072         gimple_build_debug_bind.
4073
4074 2017-07-28  Richard Biener  <rguenther@suse.de>
4075
4076         PR tree-optimization/81502
4077         * match.pd: Add pattern combining BIT_INSERT_EXPR with
4078         BIT_FIELD_REF.
4079         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
4080         size/pos operands.
4081         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
4082         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
4083         for BIT_FIELD_REF args.
4084         * fold-const.c (make_bit_field_ref): Likewise.
4085         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
4086
4087 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
4088
4089         PR sanitizer/80998
4090         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
4091         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
4092         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
4093         Or it into SANITIZER_UNDEFINED.
4094         * ubsan.c: Include gimple-fold.h and varasm.h.
4095         (ubsan_expand_ptr_ifn): New function.
4096         (instrument_pointer_overflow): New function.
4097         (maybe_instrument_pointer_overflow): New function.
4098         (instrument_object_size): Formatting fix.
4099         (pass_ubsan::execute): Call instrument_pointer_overflow
4100         and maybe_instrument_pointer_overflow.
4101         * internal-fn.c (expand_UBSAN_PTR): New function.
4102         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
4103         * sanitizer.def (__ubsan_handle_pointer_overflow,
4104         __ubsan_handle_pointer_overflow_abort): New builtins.
4105         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
4106         * internal-fn.def (UBSAN_PTR): New internal function.
4107         * opts.c (sanitizer_opts): Add pointer-overflow.
4108         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
4109         * fold-const.c (build_range_check): Compute pointer range check in
4110         integral type if pointer arithmetics would be needed.  Formatting
4111         fixes.
4112
4113 2017-07-28  Martin Liska  <mliska@suse.cz>
4114
4115         PR sanitizer/81460
4116         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
4117         parameters that are of a variable-length.
4118
4119 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4120
4121         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
4122         rs6000/biarch64.h.
4123         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
4124         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
4125         (CRT_CALL_STATIC_FUNCTION): Likewise.
4126         (ASM_DEFAULT_SPEC): New define.
4127         (ASM_SPEC32): Likewise.
4128         (ASM_SPEC64): Likewise.
4129         (ASM_SPEC_COMMON): Likewise.
4130         (ASM_SPEC): Likewise.
4131         (INVALID_64BIT): Likewise.
4132         (LINK_OS_DEFAULT_SPEC): Likewise.
4133         (LINK_OS_SPEC32): Likewise.
4134         (LINK_OS_SPEC64): Likewise.
4135         (POWERPC_LINUX): Likewise.
4136         (PTRDIFF_TYPE): Likewise.
4137         (RESTORE_FP_PREFIX): Likewise.
4138         (RESTORE_FP_SUFFIX): Likewise.
4139         (SAVE_FP_PREFIX): Likewise.
4140         (SAVE_FP_SUFFIX): Likewise.
4141         (SIZE_TYPE): Likewise.
4142         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4143         (TARGET_64BIT): Likewise.
4144         (TARGET_64BIT): Likewise.
4145         (TARGET_AIX): Likewise.
4146         (WCHAR_TYPE_SIZE): Likewise.
4147         (WCHAR_TYPE): Undefine.
4148         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
4149         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
4150         (CPP_OS_RTEMS_SPEC): Delete.
4151         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
4152         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
4153         link_os_spec64.
4154         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
4155
4156 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
4157
4158         PR tree-optimization/81578
4159         * tree-parloops.c (build_new_reduction): Bail out if
4160         reduction_code isn't one of the standard OpenMP reductions.
4161         Move the details printing after that decision.
4162
4163 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
4164
4165         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
4166         related to reload_in_progress.
4167         (splat_input_operand): Likewise.
4168         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4169         Delete prototype.
4170         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
4171         field.
4172         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
4173         (TARGET_INSTANTIATE_DECLS): Likewise.
4174         (legitimate_indexed_address_p): Delete reload_in_progress code.
4175         (rs6000_debug_legitimate_address_p): Likewise.
4176         (rs6000_eliminate_indexed_memrefs): Likewise.
4177         (rs6000_emit_le_vsx_store): Likewise.
4178         (rs6000_emit_move_si_sf_subreg): Likewise.
4179         (rs6000_emit_move): Likewise.
4180         (register_to_reg_type): Likewise.
4181         (rs6000_pre_atomic_barrier): Likewise.
4182         (rs6000_machopic_legitimize_pic_address): Likewise.
4183         (rs6000_allocate_stack_temp): Likewise.
4184         (rs6000_address_for_fpconvert): Likewise.
4185         (rs6000_address_for_altivec): Likewise.
4186         (rs6000_secondary_memory_needed_rtx): Delete function.
4187         (rs6000_check_sdmode): Likewise.
4188         (rs6000_alloc_sdmode_stack_slot): Likewise.
4189         (rs6000_instantiate_decls): Likewise.
4190         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4191         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
4192         Delete reload_in_progress.
4193         (*vec_reload_and_plus_<mptrsize>): Likewise.
4194         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
4195         (vsx_div_v2di): Likewise.
4196         (vsx_udiv_v2di): Likewise.
4197
4198 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
4199
4200         * config/rs6000/rs6000.opt (mlra): Replace with stub.
4201         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
4202         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
4203         (rs6000_debug_reg_global): Delete print of LRA status.
4204         (rs6000_option_override_internal): Delete dead LRA related code.
4205         (rs6000_lra_p): Delete function.
4206         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
4207
4208 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4209
4210         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
4211         * config/riscv/rtems.h: New file.
4212
4213 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4214             Sudakshina Das  <sudi.das@arm.com>
4215
4216         * config/aarch64/aarch64.md
4217         (define_split for and<mode>3nr_compare): Move
4218         non aarch64_logical_operand to a register.
4219         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
4220         register immediate operand to a register.
4221         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
4222
4223 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
4224
4225         PR middle-end/81564
4226         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
4227
4228 2017-07-27  Richard Biener  <rguenther@suse.de>
4229
4230         PR tree-optimization/81573
4231         PR tree-optimization/81494
4232         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
4233         multi defuse cycle case.
4234
4235 2017-07-27  Richard Biener  <rguenther@suse.de>
4236
4237         PR tree-optimization/81571
4238         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
4239         PHIs.
4240
4241 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
4242
4243         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
4244         earlier and only if MASK_FPU is set.  Adjust formatting.
4245
4246 2017-07-27  Martin Liska  <mliska@suse.cz>
4247
4248         * opt-functions.awk: Add validation of value of Init.
4249         * optc-gen.awk: Pass new argument.
4250
4251 2017-07-27  Martin Liska  <mliska@suse.cz>
4252
4253         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
4254         Fix wrong condition.
4255
4256 2017-07-27  Martin Liska  <mliska@suse.cz>
4257
4258         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
4259         BBs and edges seen by autoFDO.
4260
4261 2017-07-27  Richard Biener  <rguenther@suse.de>
4262
4263         PR tree-optimization/81502
4264         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
4265         with incompatible but same sized type.
4266         (execute_update_addresses_taken): Likewise.
4267
4268 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
4269
4270         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
4271         flag_tree_loop_vectorize rather than flag_tree_vectorize.
4272
4273 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4274
4275         PR target/81534
4276         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
4277         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
4278         Change s_operand to memory_operand.
4279
4280 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
4281
4282         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
4283         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
4284         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
4285         Emit instructions rather than returning an expression.  Handle TFmode
4286         and KFmode by casting to TImode.
4287         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
4288         (rs6000_emit_le_vsx_store): Likewise.
4289         * config/rs6000/vsx.md (VSX_TI): New iterator.
4290         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
4291         (*vsx_le_undo_permute_<mode>): Likewise.
4292         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
4293         emit the split sequence.
4294         (*vsx_le_perm_store_<mode>): Likewise.
4295
4296 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
4297
4298         PR tree-optimization/81555
4299         PR tree-optimization/81556
4300         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
4301         if true, force CHANGED for the recursive invocation.
4302         (reassociate_bb): Remember original length of ops array, pass
4303         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
4304
4305         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
4306         attributes for noipa attribute.  For naked attribute use
4307         lookup_attribute first before lookup_attribute_spec.
4308         * final.c (rest_of_handle_final): Disable IPA RA for functions with
4309         noipa attribute.
4310         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
4311         for functions with noipa attribute.
4312         (cgraph_externally_visible_p): Return true for functions with noipa
4313         attribute.
4314         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
4315         for functions with noipa attribute.
4316         * doc/extend.texi: Document noipa function attribute.
4317         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
4318         also for functions with noipa attribute.
4319         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
4320
4321 2017-07-26  Andrew Pinski  <apinski@cavium.com>
4322
4323         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
4324         vec_unalign_load_cost and vec_unalign_store_cost.
4325
4326 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
4327
4328         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
4329         -mvsx-small-integer option.
4330         (ISA_3_0_MASKS_IEEE): Likewise.
4331         (OTHER_VSX_VECTOR_MASKS): Likewise.
4332         (POWERPC_MASKS): Likewise.
4333         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
4334         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
4335         code, only testing for DImode being allowed in non-VSX floating
4336         point registers.
4337         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
4338         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
4339         another VSX test.
4340         (rs6000_option_override_internal): Delete -mvsx-small-integer.
4341         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
4342         TARGET_P8_VECTOR test.
4343         (rs6000_secondary_reload_simple_move): Likewise.
4344         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
4345         since TARGET_P9_VECTOR was already tested.
4346         (rs6000_opt_masks): Remove -mvsx-small-integer.
4347         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
4348         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
4349         used.
4350         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
4351         test for TARGET_VEXTRACTUB was used, and that uses
4352         TARGET_P9_VECTOR.
4353         (p9 extract splitter): Likewise.
4354         (vsx_extract_<mode>_di_p9): Likewise.
4355         (vsx_extract_<mode>_store_p9): Likewise.
4356         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
4357         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
4358         the elimination of TARGET_VSX_SMALL_INTEGER.
4359         (vsx_extract_<mode>_p8): Likewise.
4360         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
4361         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
4362         (vsx_set_<mode>_p9): Likewise.
4363         (vsx_set_v4sf_p9): Likewise.
4364         (vsx_set_v4sf_p9_zero): Likewise.
4365         (vsx_insert_extract_v4sf_p9): Likewise.
4366         (vsx_insert_extract_v4sf_p9_2): Likewise.
4367         * config/rs6000/rs6000.md (sign extend splitter): Change
4368         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
4369         (floatsi<mode>2_lfiwax_mem): Likewise.
4370         (floatunssi<mode>2_lfiwzx_mem): Likewise.
4371         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
4372         since a test for TARGET_P9_VECTOR was used.
4373         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
4374         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
4375         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
4376         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
4377         TARGET_P8_VECTOR test.
4378         (fix_trunc<mode>si2_stfiwx): Likewise.
4379         (fix_trunc<mode>si2_internal): Likewise.
4380         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
4381         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
4382         used.
4383         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
4384         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
4385         TARGET_P8_VECTOR test.
4386         (fixuns_trunc<mode>si2_stfiwx): Likewise.
4387         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
4388         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
4389         used.
4390         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
4391         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
4392         since a test for TARGET_P9_VECTOR was used.
4393         (splitter for loading small constants): Likewise.
4394
4395 2017-07-26  Andrew Pinski  <apinski@cavium.com>
4396
4397         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
4398         vec_fp_stmt_cost.
4399
4400 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
4401
4402         PR target/81563
4403         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
4404         (fp_valid_at): Likewise.
4405
4406 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
4407
4408         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
4409         (qdf24xx_addrcost_table): Likewise.
4410         (cortexa57_tunings): Update to use generic_branch_cost.
4411         (cortexa72_tunings): Likewise.
4412         (cortexa73_tunings): Likewise.
4413         (qdf24xx_tunings): Likewise.
4414
4415 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
4416
4417         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
4418         (thunderx2t99_branch_cost): Likewise.
4419         (cortexa35_tunings): Update to use generic_branch_cost.
4420         (cortexa53_tunings): Likewise.
4421         (cortexa57_tunings): Likewise.
4422         (cortexa72_tunings): Likewise.
4423         (cortexa73_tunings): Likewise.
4424         (thunderx2t99_tunings): Likewise.
4425
4426 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4427
4428         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
4429         (sparc_option_override): Honour MASK_FSMULD.
4430         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
4431         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
4432         * config/sparc/sparc.opt (mfsmuld): New option.
4433         * doc/invoke.texi (mfsmuld): Document option.
4434
4435 2017-07-26  Marek Polacek  <polacek@redhat.com>
4436
4437         PR middle-end/70992
4438         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
4439
4440 2017-07-26  Richard Biener  <rguenther@suse.de>
4441
4442         * gimple-match-head.c (do_valueize): Return OP if valueize
4443         returns NULL_TREE.
4444         (get_def): New helper to get at the def stmt of a SSA name
4445         if valueize allows.
4446         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
4447         do_valueize to get at the def stmt.
4448         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
4449
4450 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
4451
4452         PR middle-end/46932
4453         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
4454
4455 2017-07-26  Martin Liska  <mliska@suse.cz>
4456
4457         PR sanitize/81186
4458         * function.c (expand_function_start): Make expansion of
4459         nonlocal_goto_save_area after parm_birth_insn.
4460
4461 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4462
4463         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
4464         from all CPU target flags enable members.
4465
4466 2017-07-26  Richard Biener  <rguenther@suse.de>
4467
4468         * genmatch.c (dt_simplify::gen): Make iterator vars const.
4469         (decision_tree::gen): Make 'type' const.
4470         (write_predicate): Likewise.
4471
4472 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
4473
4474         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
4475         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
4476         (rs6000_option_override_internal): Likewise.
4477         (rs6000_expand_vector_set): Likewise.
4478         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
4479         (TARGET_UPPER_REGS_SF): Likewise.
4480         (TARGET_UPPER_REGS_DI): Likewise.
4481         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
4482         (TARGET_DIRECT_MOVE_64BIT): Likewise.
4483         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
4484         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
4485         (Splitters for DI constants in Altivec registers): Likewise.
4486         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
4487         (vsx_set_v4sf_p9): Likewise.
4488         (vsx_set_v4sf_p9_zero): Likewise.
4489         (vsx_insert_extract_v4sf_p9): Likewise.
4490         (vsx_insert_extract_v4sf_p9_2): Likewise.
4491
4492 2017-07-25  Carl Love  <cel@us.ibm.com>
4493
4494         * doc/extend.texi: Update the built-in documentation file for the
4495         existing built-in functions
4496         vector signed char vec_cnttz (vector signed char);
4497         vector unsigned char vec_cnttz (vector unsigned char);
4498         vector signed short vec_cnttz (vector signed short);
4499         vector unsigned short vec_cnttz (vector unsigned short);
4500         vector signed int vec_cnttz (vector signed int);
4501         vector unsigned int vec_cnttz (vector unsigned int);
4502         vector signed long long vec_cnttz (vector signed long long);
4503         vector unsigned long long vec_cnttz (vector unsigned long long);
4504
4505 2017-07-25  Andrew Pinski  <apinski@cavium.com>
4506
4507         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
4508         accesses where the use is for the first operand of a BIT_INSERT.
4509
4510 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
4511
4512         PR bootstrap/81521
4513         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
4514         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
4515
4516 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
4517
4518         * config/i386/gstabs.h: Delete.
4519         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
4520
4521 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
4522
4523         * config/i386/i386.c (ix86_decompose_address): Do not check for
4524         register RTX when looking at index_reg or base_reg.
4525         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
4526
4527 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
4528
4529         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
4530         to update EH info here.
4531
4532 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
4533
4534         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
4535
4536 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
4537
4538         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
4539
4540 2017-07-25  Torsten Duwe  <duwe@suse.de>
4541
4542         * common.opt: Introduce -fpatchable-function-entry
4543         command line option, and its variables function_entry_patch_area_size
4544         and function_entry_patch_area_start.
4545         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
4546         including a two-value parser.
4547         * target.def (print_patchable_function_entry): New target hook.
4548         * targhooks.h (default_print_patchable_function_entry): New function.
4549         * targhooks.c (default_print_patchable_function_entry): Likewise.
4550         * toplev.c (process_options): Switch off IPA-RA if
4551         patchable function entries are being generated.
4552         * varasm.c (assemble_start_function): Look at the
4553         patchable-function-entry command line switch and current
4554         function attributes and maybe generate NOP instructions by
4555         calling the print_patchable_function_entry hook.
4556         * doc/extend.texi: Document patchable_function_entry attribute.
4557         * doc/invoke.texi: Document -fpatchable_function_entry
4558         command line option.
4559         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
4560         New target hook.
4561         * doc/tm.texi: Re-generate.
4562
4563 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
4564
4565         PR target/81532
4566         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
4567         TARGET_AVX512DQ rather than TARGET_AVX512BW.
4568
4569 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
4570
4571         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
4572
4573 2017-07-25  Richard Biener  <rguenther@suse.de>
4574
4575         PR tree-optimization/81455
4576         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
4577         not walk in cycles when looking for guards.
4578
4579 2017-07-25  Richard Biener  <rguenther@suse.de>
4580
4581         PR tree-optimization/81529
4582         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
4583         when optimizing backedge uses.
4584
4585 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
4586
4587         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
4588         character for AIX.
4589         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
4590         to dl_section_ref.  On AIX, append an expression to subtract
4591         the size of the section length to dl_section_ref.
4592
4593 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
4594
4595         * configure.ac: If any of the config.* scripts fail, exit 1.
4596         * configure: Regenerate.
4597
4598 2017-07-25  Richard Biener  <rguenther@suse.de>
4599
4600         PR middle-end/81546
4601         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
4602         of immediate uses, be more verbose on errors.
4603
4604 2017-07-25  Richard Biener  <rguenther@suse.de>
4605
4606         PR tree-optimization/81510
4607         * tree-vect-loop.c (vect_is_simple_reduction): When the
4608         reduction stmt is not inside the loop bail out.
4609
4610 2017-07-25  Richard Biener  <rguenther@suse.de>
4611
4612         PR tree-optimization/81303
4613         * tree-vect-loop-manip.c (vect_loop_versioning): Build
4614         profitability check against LOOP_VINFO_NITERSM1.
4615
4616 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
4617
4618         * domwalk.c (cmp_bb_postorder): Simplify.
4619         (sort_bbs_postorder): New function.  Use it...
4620         (dom_walker::walk): ...here to optimize common cases.
4621
4622 2017-07-25  Martin Liska  <mliska@suse.cz>
4623
4624         PR ipa/81520
4625         * ipa-visibility.c (function_and_variable_visibility): Make the
4626         redirection just on target that supports aliasing.
4627         Fix GNU coding style.
4628
4629 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4630
4631         PR libgcc/61152
4632         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
4633         Format changes.
4634         * config/arm/rtems.h: Likewise.
4635         * config/bfin/rtems.h: Likewise.
4636         * config/i386/rtemself.h: Likewise.
4637         * config/lm32/rtems.h: Likewise.
4638         * config/m32c/rtems.h: Likewise.
4639         * config/m68k/rtemself.h: Likewise.
4640         * config/microblaze/rtems.h: Likewise.
4641         * config/mips/rtems.h: Likewise.
4642         * config/moxie/rtems.h: Likewise.
4643         * config/nios2/rtems.h: Likewise.
4644         * config/powerpcspe/rtems.h: Likewise.
4645         * config/rs6000/rtems.h: Likewise.
4646         * config/rtems.h: Likewise.
4647         * config/sh/rtems.h: Likewise.
4648         * config/sh/rtemself.h: Likewise.
4649         * config/sparc/rtemself.h: Likewise.
4650
4651 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
4652
4653         PR 81487
4654         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
4655         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
4656         * tree-ssa-structalias.c (alias_get_name): Same.
4657
4658 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
4659
4660         PR target/81414
4661         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
4662         instructions if no du chain is found.
4663
4664 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
4665
4666         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
4667
4668 2017-07-25  Richard Biener  <rguenther@suse.de>
4669
4670         PR middle-end/81505
4671         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
4672         sticky.
4673
4674 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
4675
4676         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
4677         upper-regs options.
4678         (ISA_2_7_MASKS_SERVER): Likewise.
4679         (ISA_3_0_MASKS_IEEE): Likewise.
4680         (OTHER_P8_VECTOR_MASKS): Likewise.
4681         (OTHER_VSX_VECTOR_MASKS): Likewise.
4682         (POWERPC_MASKS): Likewise.
4683         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
4684         duplicate list of options.
4685         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
4686         explicit -mupper-regs options.
4687         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
4688         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
4689         alias for -mupper-regs-df.
4690         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
4691         (rs6000_init_hard_regno_mode_ok): Likewise.
4692         (rs6000_option_override_internal): Likewise.
4693         (rs6000_opt_masks): Likewise.
4694         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
4695         options in terms of whether -mvsx or -mpower8-vector was used.
4696         (TARGET_UPPER_REGS_DI): Likewise.
4697         (TARGET_UPPER_REGS_SF): Likewise.
4698         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
4699         -mupper-regs-* options.
4700
4701 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
4702
4703         * passes.c (emergency_dump_function): Print some empty lines and a
4704         header before the RTL dump.
4705
4706 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
4707
4708         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
4709
4710 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
4711
4712         PR target/79041
4713         * config/aarch64/aarch64.c (aarch64_classify_symbol):
4714         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
4715
4716 2017-07-24  Carl Love  <cel@us.ibm.com>
4717
4718         * config/rs6000/rs6000-c.c: Add support for built-in functions
4719         vector float vec_extract_fp32_from_shorth (vector unsigned short);
4720         vector float vec_extract_fp32_from_shortl (vector unsigned short);
4721         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
4722         vec_extract_fp_from_shortl): Add defines for the two builtins.
4723         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
4724         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
4725         new builtins.
4726         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
4727         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
4728         * doc/extend.texi: Update the built-in documentation file for the
4729         new built-in function.
4730
4731 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
4732
4733         PR bootstrap/81521
4734         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
4735         documentation.
4736         * doc/generic.texi: Likewise.
4737         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
4738         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
4739
4740 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
4741
4742         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
4743         (aarch64_mls_elt_merge<mode>): Likewise.
4744
4745 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
4746
4747         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
4748         having __cxa_atexit.
4749
4750 2017-07-23  Michael Collison  <michael.collison@arm.com>
4751
4752         * config/arm/arm.c (arm_option_override): Deprecate
4753         use of -mstructure-size-boundary.
4754         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
4755         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
4756
4757 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4758
4759         PR target/80695
4760         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
4761         Reduce cost estimate for direct moves.
4762
4763 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
4764
4765         PR target/80569
4766         * config/i386/i386.c (ix86_option_override_internal): Disable
4767         BMI, BMI2 and TBM instructions for -m16.
4768
4769 2017-07-21  Carl Love  <cel@us.ibm.com>
4770
4771         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4772         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
4773         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
4774         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
4775         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
4776         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
4777         VMULOSW): New enum "unspec" values.
4778         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
4779         altivec_vmulosw): New patterns.
4780         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
4781         VMULOSW): Add definitions.
4782
4783 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
4784
4785         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
4786         (qdf24xx): Likewise.
4787         * config/aarch64/aarch64-options-extensions.def (rdma); New.
4788         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
4789         (AARCH64_FL_V8_1): Renumber.
4790         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
4791         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
4792         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
4793         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
4794         rdma to feature modifiers list.
4795
4796 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
4797
4798         PR middle-end/56727
4799         * ipa-visibility (function_and_variable_visibility): Convert
4800         recursive PLT call to direct call if appropriate.
4801
4802 2017-07-21  Andrew Pinski  <apinski@cavium.com>
4803
4804         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
4805         operand 1 to see if the types precision matches.
4806         * fold-const.c (operand_equal_p): Likewise.
4807
4808 2017-07-21  Richard Biener  <rguenther@suse.de>
4809
4810         PR tree-optimization/81303
4811         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
4812         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
4813         (vect_peeling_hash_get_lowest_cost): Adjust.
4814         (vect_enhance_data_refs_alignment): Likewise.  Use
4815         vect_get_peeling_costs_all_drs to compute the penalty for no
4816         peeling to match up costs.
4817
4818 2017-07-21  Richard Biener  <rguenther@suse.de>
4819
4820         PR tree-optimization/81500
4821         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
4822         we didn't identify a reduction path.
4823
4824 2017-07-21  Tom de Vries  <tom@codesourcery.com>
4825             Cesar Philippidis  <cesar@codesourcery.com>
4826
4827         PR gcov-profile/81442
4828         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
4829         probabilities.
4830
4831 2017-07-21  Tom de Vries  <tom@codesourcery.com>
4832
4833         PR lto/81430
4834         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
4835         function.
4836         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
4837         nvptx_override_options_after_change.
4838
4839 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
4840
4841         * dwarf2out.c (output_file_names): Avoid double testing for
4842         dwarf_version >= 5.
4843
4844 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
4845
4846         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
4847
4848 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
4849
4850         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
4851         hot/cold regions.
4852         (try_crossjump_to_edge): Do not punt on partitioned functions.
4853
4854 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
4855
4856         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4857         Put all BBs reachable only via paths crossing cold region to cold
4858         region.
4859         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
4860
4861 2016-07-21  Richard Biener  <rguenther@suse.de>
4862
4863         PR tree-optimization/81303
4864         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
4865         into account prologue and epilogue iterations when raising
4866         min_profitable_iters to sth at least covering one vector iteration.
4867
4868 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
4869
4870         * config/arm/arm.c (arm_test_cpu_arch_dat):
4871         Check for overlap.
4872
4873 2017-07-20  Nathan Sidwell  <nathan@acm.org>
4874
4875         Remove TYPE_METHODS.
4876         * tree.h (TYPE_METHODS): Delete.
4877         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
4878         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
4879         (dbxout_type_methods): Scan TYPE_FIELDS.
4880         (dbxout_type): Don't check TYPE_METHODS here.
4881         * function.c (use_register_for_decl): Always ignore register for
4882         class types when not optimizing.
4883         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
4884         * tree.c (free_lang_data_in_type): Stitch out member functions and
4885         templates from TYPE_FIELDS.
4886         (build_distinct_type_copy, verify_type_variant,
4887         verify_type): Member fns are on TYPE_FIELDS.
4888         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
4889         * tree-pretty-print.c (dump_generic_node): Likewise.
4890
4891 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
4892
4893         PR target/80846
4894         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
4895         V2TImode and V4TImode.
4896         (ix86_expand_vector_extract): Likewise.
4897         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
4898         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
4899         (ssescalarmode): Handle V4TImode and V2TImode.
4900         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
4901         (*vec_extractv2ti, *vec_extractv4ti): New insns.
4902         (VEXTRACTI128_MODE): New mode iterator.
4903         (splitter for *vec_extractv?ti first element): New.
4904         (VEC_INIT_MODE): New mode iterator.
4905         (vec_init<mode>): Consolidate 3 expanders into one using
4906         VEC_INIT_MODE mode iterator.
4907
4908 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
4909
4910         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
4911         non_spilled_static_chain_regno_p.
4912
4913 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
4914
4915         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
4916
4917 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
4918
4919         * bb-reorder.c (connect_traces): Allow copying of blocks within
4920         single partition.
4921
4922 2017-07-20  Richard Biener  <rguenther@suse.de>
4923
4924         * gimple.h (gimple_phi_result): Add gphi * overload.
4925         (gimple_phi_result_ptr): Likewise.
4926         (gimple_phi_arg): Likewise.  Adjust index assert to only
4927         allow actual argument accesses rather than all slots available
4928         by capacity.
4929         (gimple_phi_arg_def): Add gphi * overload.
4930         * tree-phinodes.c (make_phi_node): Initialize only actual
4931         arguments.
4932         (resize_phi_node): Clear memory not covered by old node,
4933         do not initialize excess argument slots.
4934         (reserve_phi_args_for_new_edge): Initialize new argument slot
4935         completely.
4936
4937 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
4938
4939         PR tree-optimization/81388
4940         Revert r238585:
4941         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
4942
4943         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
4944         by removing computation of may_be_zero.
4945
4946 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
4947             Tom de Vries  <tom@codesourcery.com>
4948
4949         PR middle-end/81030
4950         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
4951         when gimple level profile disagrees with what RTL expander did.
4952
4953 2017-07-20  Richard Biener  <rguenther@suse.de>
4954
4955         PR tree-optimization/61171
4956         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
4957         (vect_analyze_stmt): Add slp instance parameter.
4958         (vectorizable_reduction): Likewise.
4959         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
4960         (vect_is_simple_reduction): Deal with chains not detected
4961         as SLP reduction chain, specifically not properly associated
4962         chains containing a mix of plus/minus.
4963         (get_reduction_op): Remove.
4964         (get_initial_defs_for_reduction): Simplify, pass in whether
4965         this is a reduction chain, pass in the SLP node for the PHIs.
4966         (vect_create_epilog_for_reduction): Get the SLP instance as
4967         arg and adjust.
4968         (vectorizable_reduction): Get the SLP instance as arg.
4969         During analysis remember the SLP node with the PHIs in the
4970         instance.  Simplify getting at the vectorized reduction PHIs.
4971         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
4972         through SLP instance.
4973         (vect_slp_analyze_operations): Likewise.
4974         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
4975         (vect_transform_stmt): Likewise.
4976
4977 2017-07-20  Tom de Vries  <tom@codesourcery.com>
4978
4979         PR tree-optimization/81489
4980         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
4981         read of phi arg location to before loop that modifies phi.
4982
4983 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
4984
4985         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
4986         New pattern.
4987
4988 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
4989
4990         PR middle-end/81331
4991         * except.c (execute): Fix ordering issue.
4992
4993 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
4994
4995         PR rtl-optimization/81423
4996         * combine.c (make_compound_operation_int): Don't try to optimize
4997         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
4998
4999 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
5000
5001         PR rtl-optimization/81423
5002         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
5003         with a constant that is -1 in the truncated to mode.
5004
5005 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
5006
5007         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
5008         (determine_unlikely_bbs): ... here.
5009         * predict.h (propagate_unlikely_bbs_forward): Declare.
5010         * cfgexpand.c (pass_expand::execute): Use it.
5011         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
5012         unlikely edges.
5013         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
5014         propagate_unlikely_bbs_forward.
5015
5016 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
5017
5018         PR middle-end/81331
5019         * except.c (maybe_add_nop_after_section_switch): New function.
5020         (execute): Use it.
5021
5022 2017-07-19  Tom de Vries  <tom@codesourcery.com>
5023
5024         * gimple.h (gimple_phi_set_arg): Make assert more strict.
5025
5026 2017-07-19  Tom de Vries  <tom@codesourcery.com>
5027
5028         * gimple.h (gimple_phi_arg): Make assert more strict.
5029
5030 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
5031
5032         * config.gcc (powerpc*-*-*): Add mmintrin.h.
5033         * config/rs6000/mmintrin.h: New file.
5034         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
5035
5036 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
5037
5038         PR tree-optimization/81346
5039         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
5040
5041 2017-07-19  Tom de Vries  <tom@codesourcery.com>
5042
5043         * config/nvptx/nvptx.md (VECIM): Add V2DI.
5044
5045 2017-07-19  Tom de Vries  <tom@codesourcery.com>
5046
5047         * config/nvptx/nvptx-modes.def: Add V2DImode.
5048         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
5049         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
5050         (nvptx_output_mov_insn): Handle lack of mov.b128.
5051         (nvptx_print_operand): Handle 'H' and 'L' codes.
5052         (nvptx_vector_mode_supported): Allow V2DImode.
5053         (nvptx_preferred_simd_mode): New function.
5054         (nvptx_data_alignment): New function.
5055         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
5056         nvptx_preferred_simd_mode.
5057         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
5058         64 to 128 bits.
5059         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
5060
5061 2017-07-19  Tom de Vries  <tom@codesourcery.com>
5062
5063         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
5064         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
5065         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
5066         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
5067         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
5068         (mov<VECIM>_insn): New define_insn.
5069         (define_expand "mov<VECIM>): New define_expand.
5070
5071 2017-07-19  Tom de Vries  <tom@codesourcery.com>
5072
5073         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
5074
5075 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
5076
5077         PR tree-optimization/81346
5078         * fold-const.h (fold_div_compare, range_check_type): Declare.
5079         * fold-const.c (range_check_type): New function.
5080         (build_range_check): Use range_check_type.
5081         (fold_div_compare): No longer static, rewritten into
5082         a match.pd helper function.
5083         (fold_comparison): Don't call fold_div_compare here.
5084         * match.pd (X / C1 op C2): New optimization using fold_div_compare
5085         as helper function.
5086
5087 2017-07-19  Nathan Sidwell  <nathan@acm.org>
5088
5089         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
5090         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
5091         * tree.c (find_decls_types_r, verify_type): Use
5092         TYPE_{MIN,MAX}_VALUE_RAW.
5093         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
5094         (hash_tree): Likewise.
5095         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
5096         Likewise.
5097         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
5098         Likewise.
5099
5100 2017-07-18  Tom de Vries  <tom@codesourcery.com>
5101
5102         PR middle-end/81464
5103         * omp-expand.c (expand_omp_for_static_chunk): Handle
5104         equal-argument loop exit phi.
5105
5106 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
5107
5108         PR target/81471
5109         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
5110         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
5111         operand 2 predicate.
5112         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
5113         operand 2 predicate.
5114         (ror,rol -> rorx splitters): Use const_int_operand as
5115         operand 2 predicate.
5116
5117 2017-06-18  Richard Biener  <rguenther@suse.de>
5118
5119         PR tree-optimization/81410
5120         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
5121         the gap in the ! slp_perm SLP case after each group.
5122
5123 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
5124
5125         PR middle-end/81463
5126         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
5127         again.
5128
5129 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
5130
5131         PR middle-end/81462
5132         * predict.c (set_even_probabilities): Cleanup; do not affect
5133         probabilities that are already known.
5134         (combine_predictions_for_bb): Call even when count is set.
5135
5136 2017-07-18  Nathan Sidwell  <nathan@acm.org>
5137
5138         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
5139         TYPE_MAX_VALUE.
5140
5141 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
5142
5143         PR target/81408
5144         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
5145         optimization for loop niter analysis.
5146
5147 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
5148
5149         PR target/81473
5150         * config/avr/avr.c (avr_optimize_casesi): Don't use
5151         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
5152
5153 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
5154
5155         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
5156         body_cost_vec from _vect_peel_extended_info.
5157         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
5158         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
5159         npeel.
5160
5161 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
5162
5163         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
5164
5165 2017-07-18  Richard Biener  <rguenther@suse.de>
5166
5167         PR tree-optimization/80620
5168         PR tree-optimization/81403
5169         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
5170         info when re-using a VN table entry.
5171
5172 2017-07-18  Richard Biener  <rguenther@suse.de>
5173
5174         PR tree-optimization/81418
5175         * tree-vect-loop.c (vectorizable_reduction): Properly compute
5176         vectype_in.  Verify that with lane-reducing reduction operations
5177         we have a single def-use cycle.
5178
5179 2017-07-17  Carl Love  <cel@us.ibm.com>
5180
5181         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
5182
5183         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5184         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
5185         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
5186         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
5187         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
5188         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
5189         VMULOSW): New enum "unspec" values.
5190         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
5191         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
5192         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
5193         altivec_vmulosw): New patterns.
5194         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
5195         VMULOSW): Add definitions.
5196 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
5197
5198         * config/alpha/alpha.c: Include predict.h.
5199
5200 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
5201
5202         * tree-vrp.c (compare_assert_loc): Fix comparison function
5203         to return predictable results.
5204
5205 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
5206
5207         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
5208         option.
5209         (subdi3): Likewise.
5210         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
5211         * doc/invoke.texi (mexpand-adddi): Update text.
5212
5213 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
5214
5215         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
5216         that also clobbers the CC register. The old expand code is moved
5217         to ...
5218         (*arc_clzsi2): ... here.
5219         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
5220         the CC register. The old expand code is moved to ...
5221         (arc_ctzsi2): ... here.
5222
5223 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
5224
5225         * config/arc/arc.opt (mindexed-loads): Use initial value
5226         TARGET_INDEXED_LOADS_DEFAULT.
5227         (mauto-modify-reg): Use initial value
5228         TARGET_AUTO_MODIFY_REG_DEFAULT.
5229         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
5230         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
5231         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
5232         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
5233
5234 2017-07-17  Martin Liska  <mliska@suse.cz>
5235
5236         PR sanitizer/81302
5237         * opts.c (finish_options): Do not allow -fgnu-tm
5238         w/ -fsanitize={kernel-,}address.  Say sorry.
5239
5240 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
5241
5242         PR target/81369
5243         * tree-loop-distribution.c (classify_partition): Only assert on
5244         numer of iterations.
5245         (merge_dep_scc_partitions): Delete prameter.  Update function call.
5246         (distribute_loop): Remove code handling loop with unknown niters.
5247         (pass_loop_distribution::execute): Skip loop with unknown niters.
5248
5249 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
5250
5251         PR target/81369
5252         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
5253         function sort_partitions_by_post_order.
5254
5255 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
5256
5257         PR tree-optimization/81374
5258         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
5259         the max index of basic blocks, rather than number of basic blocks.
5260
5261 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
5262
5263         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
5264         proto.
5265         (arc_legitimate_pic_operand_p): Likewise.
5266         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
5267         function.
5268         (arc_needs_pcl_p): Likewise.
5269         (arc_legitimate_pc_offset_p): Likewise.
5270         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
5271         function is also used in constrains.md.
5272         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
5273         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
5274         PLUS.  Only return true/false in known cases, otherwise assert.
5275         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
5276         is already called in arc_legitimate_constant_p.
5277         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
5278         pic addresses.
5279         (LEGITIMATE_PIC_OPERAND_P): Use
5280         arc_raw_symbolic_reference_mentioned_p function.
5281         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
5282         function.
5283         (Cal): Likewise.
5284         (C32): Likewise.
5285
5286 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
5287         Andrew Burgess  <andrew.burgess@embecosm.com>
5288
5289         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
5290         (arc_return_address_register): New function.
5291         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
5292         (arc_handle_fndecl_attribute): Add naked attribute.
5293         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
5294         (TARGET_WARN_FUNC_RETURN): Likewise.
5295         (arc_allocate_stack_slots_for_args): New function.
5296         (arc_warn_func_return): Likewise.
5297         (machine_function): Change type fn_type.
5298         (arc_compute_function_type): Consider new naked function type,
5299         change function return type.
5300         (arc_must_save_register): Adapt to handle new
5301         arc_compute_function_type's return type.
5302         (arc_expand_prologue): Likewise.
5303         (arc_expand_epilogue): Likewise.
5304         (arc_return_address_regs): Delete.
5305         (arc_return_address_register): New function.
5306         (arc_epilogue_uses): Use above function.
5307         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
5308         (arc_function_type): Change encoding, add naked type.
5309         (ARC_INTERRUPT_P): Change to handle the new encoding.
5310         (ARC_FAST_INTERRUPT_P): Likewise.
5311         (ARC_NORMAL_P): Define.
5312         (ARC_NAKED_P): Likewise.
5313         (arc_compute_function_type): Delete prototype.
5314         * config/arc/arc.md (in_ret_delay_slot): Use
5315         arc_return_address_register function.
5316         (simple_return): Likewise.
5317         (p_return_i): Likewise.
5318
5319 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
5320
5321         PR tree-optimization/81428
5322         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
5323         can't be built for those types.
5324
5325 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
5326
5327         Remove stuff dead since r239246.
5328
5329         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
5330         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
5331         (avr_inform_devices): Remove dead stuff.
5332
5333 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
5334
5335         * config/arm/arm_neon.h: Fix softp typo.
5336
5337 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
5338
5339         PR tree-optimization/81365
5340         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
5341         aggregate moves onto bb predecessor edges, make sure there are no
5342         loads that could alias the lhs in between the start of bb and the
5343         loads from *phi.
5344
5345 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
5346
5347         PR 80929
5348         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
5349         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
5350         [LSHIFTRT, outer_code = TRUNCATE]: Same.
5351
5352 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
5353
5354         PR tree-optimization/81396
5355         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
5356         (init_symbolic_number): Initialize it to 1.
5357         (perform_symbolic_merge): Add n_ops from both operands into the new
5358         n_ops.
5359         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
5360         without base_addr as useless if they need more than one operation.
5361         (bswap_replace): Handle !bswap case for NULL base_addr.
5362
5363 2017-07-17  Tom de Vries  <tom@codesourcery.com>
5364
5365         PR target/81069
5366         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
5367         as possible.
5368
5369 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5370
5371         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
5372         conditional builtin define __FIX_LEON3FT_B2BST.
5373
5374 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
5375
5376         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
5377         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
5378         with -mfix-ut700.
5379
5380 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
5381
5382         PR rtl-optimization/81424
5383         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
5384         to remove potential trapping from operands if -fnon-call-exceptions.
5385
5386 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
5387
5388         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
5389         profile_proability for scalling.
5390         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
5391
5392 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
5393
5394         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
5395
5396 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
5397
5398         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
5399         fixpoint arithmetics.
5400
5401 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
5402
5403         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
5404         fixpoint arithmetics.
5405
5406 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
5407
5408         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
5409         fixpoint arithmetics.
5410
5411 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
5412
5413         * profile-count.h (profile_probability::from_reg_br_prob_note,
5414         profile_probability::to_reg_br_prob_note): New functions.
5415         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
5416         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
5417         * predict.c (probability_reliable_p): Update.
5418         (edge_probability_reliable_p): Update.
5419         (br_prob_note_reliable_p): Update.
5420         (invert_br_probabilities): Update.
5421         (add_reg_br_prob_note): New function.
5422         (combine_predictions_for_insn): Update.
5423         * asan.c (asan_clear_shadow): Update.
5424         * cfgbuild.c (compute_outgoing_frequencies): Update.
5425         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
5426         (update_br_prob_note): Update.
5427         (rtl_verify_edges): Update.
5428         (purge_dead_edges): Update.
5429         (fixup_reorder_chain): Update.
5430         * emit-rtl.c (try_split): Update.
5431         * ifcvt.c (cond_exec_process_insns): Update.
5432         (cond_exec_process_if_block): Update.
5433         (dead_or_predicable): Update.
5434         * internal-fn.c (expand_addsub_overflow): Update.
5435         (expand_neg_overflow): Update.
5436         (expand_mul_overflow): Update.
5437         * loop-doloop.c (doloop_modify): Update.
5438         * loop-unroll.c (compare_and_jump_seq): Update.
5439         * optabs.c (emit_cmp_and_jump_insn_1): Update.
5440         * predict.h: Update.
5441         * reorg.c (mostly_true_jump): Update.
5442         * rtl.h: Update.
5443         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
5444         * config/alpha/alpha.c (emit_unlikely_jump): Update.
5445         * config/arc/arc.c: (emit_unlikely_jump): Update.
5446         * config/arm/arm.c: (emit_unlikely_jump): Update.
5447         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
5448         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
5449         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
5450         (ix86_print_operand): Update.
5451         (ix86_split_fp_branch): Update.
5452         (predict_jump): Update.
5453         * config/ia64/ia64.c (ia64_print_operand): Update.
5454         * config/mmix/mmix.c (mmix_print_operand): Update.
5455         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
5456         (rs6000_expand_split_stack_prologue): Update.
5457         * config/rs6000/rs6000.c: Update.
5458         * config/s390/s390.c (s390_expand_vec_strlen): Update.
5459         (s390_expand_vec_movstr): Update.
5460         (s390_expand_cs_tdsi): Update.
5461         (s390_expand_split_stack_prologue): Update.
5462         * config/sh/sh.c (sh_print_operand): Update.
5463         (expand_cbranchsi4): Update.
5464         (expand_cbranchdi4): Update.
5465         * config/sparc/sparc.c (output_v9branch): Update.
5466         * config/spu/spu.c (get_branch_target): Update.
5467         (ea_load_store_inline): Update.
5468         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
5469         * config/tilepro/tilepro.c: Update.
5470
5471 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
5472
5473         * gimplify.c (mostly_copy_tree_r): Revert latest change.
5474         (gimplify_save_expr): Likewise.
5475
5476 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
5477
5478         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
5479
5480 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
5481
5482         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
5483         TV_IPA_FNSUMMARY.
5484         * timevar.def (TV_IPA_FNSUMMARY): Define.
5485
5486 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
5487
5488         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
5489         to back store errata sensitive sequence from being generated.
5490         (sqrtdf2_fix): Likewise.
5491
5492 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
5493
5494         * tree-ssa-threadupdate.c (compute_path_counts,
5495         update_joiner_offpath_counts): Use profile_probability.
5496
5497 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5498
5499         Revert:
5500         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5501
5502         * config/arm/arm-c.c (arm_cpu_builtins): Define
5503         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
5504
5505 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5506
5507         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5508         array entries to represent __ieee128 versions of the
5509         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
5510         scalar_extract_sig, and scalar_insert_exp built-in functions.
5511         (altivec_resolve_overloaded_builtin): Add special case handling
5512         for the __builtin_scalar_insert_exp function, as represented by
5513         the P9V_BUILTIN_VEC_VSIEDP constant.
5514         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
5515         exponent support for __ieee128 argument.
5516         (VSESQP): Add scalar extract signature support for __ieee128
5517         argument.
5518         (VSTDCNQP): Add scalar test negative support for __ieee128
5519         argument.
5520         (VSIEQP): Add scalar insert exponent support for __int128 argument
5521         with __ieee128 result.
5522         (VSIEQPF): Add scalar insert exponent support for __ieee128
5523         argument with __ieee128 result.
5524         (VSTDCQP): Add scalar test data class support for __ieee128
5525         argument.
5526         (VSTDCNQP): Add overload support for scalar test negative with
5527         __ieee128 argument.
5528         (VSTDCQP): Add overload support for scalar test data class
5529         __ieee128 argument.
5530         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
5531         UNSPEC_VSX_SXSIGDP.
5532         (UNSPEC_VSX_SIEXPQP): New constant.
5533         (xsxexpqp): New insn for VSX scalar extract exponent quad
5534         precision.
5535         (xsxsigqp): New insn for VSX scalar extract significand quad
5536         precision.
5537         (xsiexpqpf): New insn for VSX scalar insert exponent quad
5538         precision with floating point argument.
5539         (xststdcqp): New expand for VSX scalar test data class quad
5540         precision.
5541         (xststdcnegqp): New expand for VSX scalar test negative quad
5542         precision.
5543         (xststdcqp): New insn to match expansions for VSX scalar test data
5544         class quad precision and VSX scalar test negative quad precision.
5545         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
5546         special case operand checking to enforce that second operand of
5547         VSX scalar test data class with quad precision argument is a 7-bit
5548         unsigned literal.
5549         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
5550         prototypes and descriptions of __ieee128 versions of
5551         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
5552         scalar_test_data_class, and scalar_test_neg built-in functions.
5553
5554 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5555
5556         PR tree-optimization/81162
5557         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
5558         replace a negate with an add.
5559
5560 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
5561
5562         * doc/invoke.texi (arm/-mcpu): Document +crypto.
5563
5564 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5565
5566         * config/arm/arm-c.c (arm_cpu_builtins): Define
5567         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
5568
5569 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5570
5571         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
5572         (armv8-r): Set ARM Cortex-R52 as default CPU.
5573         * config/arm/arm-tables.opt: Regenerate.
5574         * config/arm/arm-tune.md: Regenerate.
5575         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
5576         Cortex-R52.
5577         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
5578         extension for -mcpu=cortex-r52.
5579
5580 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5581
5582         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
5583         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
5584         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
5585         (fp-armv8): Define it as FP_ARMv8 only.
5586         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
5587         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
5588         TARGET_FPU_ARMV8.
5589         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
5590         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
5591         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
5592         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
5593         than TARGET_FPU_ARMV8.
5594         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
5595         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
5596         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
5597         TARGET_FPU_ARMV8.
5598         * config/arm/neon.md (neon_vrint): Likewise.
5599         (neon_vcvt): Likewise.
5600         (neon_<fmaxmin_op><mode>): Likewise.
5601         (<fmaxmin><mode>3): Likewise.
5602         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
5603         * config/arm/predicates.md (arm_cond_move_operator): Check against
5604         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
5605
5606 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
5607
5608         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
5609         to top of function.
5610
5611 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5612
5613         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
5614         loop in comment with memset.
5615
5616 2017-07-14  Martin Liska  <mliska@suse.cz>
5617
5618         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
5619         * dwarf2out.c (is_java): Remove the function.
5620         (output_pubname): Remove usage of the function.
5621         (lower_bound_default): Remove usage of DW_LANG_Java.
5622         (gen_compile_unit_die): Likewise.
5623         * gcc.c: Remove compiler defaults for .java and .zip files.
5624         * gimple-expr.c (remove_suffix): Change as there's no longer
5625         extension than 4-letter one.
5626         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
5627         (gimplify_save_expr): Likewise.
5628         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
5629         as it's possible even for other languages than Java.
5630         * langhooks.h (struct lang_hooks): Remove Java from a comment.
5631         * lto-opts.c (lto_write_options): Remove reference to Java.
5632         * opts.c (strip_off_ending): Update file extension handling.
5633         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
5634         * tree-eh.c (lower_resx): Likewise.
5635         * tree.c (free_lang_data_in_type): Remove dead code.
5636         (find_decls_types_r): Likewise.
5637         (build_common_builtin_nodes): Remove Java from a comment.
5638         (verify_type): Remove dead code.
5639         * varasm.c (assemble_external): Remove Java from a comment.
5640
5641 2017-07-14  Martin Liska  <mliska@suse.cz>
5642
5643         * opts.c (finish_options): Add quotes.
5644         (common_handle_option): Likewise.
5645
5646 2017-07-14  Martin Liska  <mliska@suse.cz>
5647
5648         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
5649         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
5650         Remove N_SO_PASCAL.
5651         * dwarf2out.c (lower_bound_default): Do not handle
5652         DW_LANG_Pascal83.
5653         (gen_compile_unit_die): Likewise.
5654         * gcc.c: Remove default extension binding for GNU Pascal.
5655         * stmt.c: Remove Pascal language from a comment.
5656         * xcoffout.c: Likewise.
5657
5658 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
5659
5660         PR c/81405
5661         * diagnostic-show-locus.c (fixit_cmp): New function.
5662         (layout::layout): Sort m_fixit_hints.
5663         (column_range::column_range): Assert that the values are valid.
5664         (struct char_span): New struct.
5665         (correction::overwrite): New method.
5666         (struct source_line): New struct.
5667         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
5668         calls in terms of classes source_line and char_span, and
5669         correction::overwrite.
5670         (selftest::test_overlapped_fixit_printing_2): New function.
5671         (selftest::diagnostic_show_locus_c_tests): Call it.
5672
5673 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
5674
5675         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
5676         early if there is no lhs.
5677
5678 2017-07-13  Martin Liska  <mliska@suse.cz>
5679
5680         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
5681         (gen_reference_type_die): Likewise.
5682         * stor-layout.c: Remove Pascal-related comment.
5683
5684 2017-07-13  Martin Liska  <mliska@suse.cz>
5685
5686         * opts.c (finish_options): Add quotes to error messages.
5687         (parse_sanitizer_options): Likewise.
5688
5689 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5690
5691         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
5692
5693 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
5694
5695         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
5696
5697 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
5698
5699         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
5700         during expansion.
5701         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
5702
5703 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
5704
5705         PR target/81193
5706         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
5707         provides the hardware capability bits, define the macro
5708         __BUILTIN_CPU_SUPPORTS__.
5709         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
5710         if GLIBC does not provide the hardware capability bits.  Add a
5711         gcc_unreachable call if the built-in cpu function is neither
5712         __builtin_cpu_is nor __builtin_cpu_supports.
5713         (rs6000_get_function_versions_dispatcher): Change the warning
5714         that an old GLIBC is used which does not export the capability
5715         bits to be an error.
5716         * doc/extend.texi (target_clones attribute): Document the
5717         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
5718         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
5719         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
5720         the macros defined by GCC if the newer GLIBC is available.
5721
5722 2017-07-12  Jeff Law  <law@redhat.com>
5723
5724         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
5725         remaining includes slightly.
5726         * config/riscv/riscv-builtins.c: Include profile-count.h.
5727
5728 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
5729
5730         PR target/79883
5731         * config/avr/avr.c (avr_set_current_function): In diagnostic
5732         messages: Quote keywords and (parts of) identifiers.
5733         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
5734         "INTERUPT".
5735
5736 2017-07-12  Carl Love  <cel@us.ibm.com>
5737
5738         * config/rs6000/rs6000-c.c: Add support for built-in functions
5739         vector bool char vec_revb (vector bool char);
5740         vector bool short vec_revb (vector short char);
5741         vector bool int vec_revb (vector bool int);
5742         vector bool long long vec_revb (vector bool long long);
5743         * doc/extend.texi: Update the built-in documentation file for the
5744         new built-in functions.
5745
5746 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5747
5748         * config/s390/s390.md: Remove movcc splitter.
5749
5750 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5751
5752         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
5753         load/store on condition.
5754
5755 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
5756
5757         PR target/81407
5758         * config/avr/avr.c (avr_encode_section_info)
5759         [progmem && !TREE_READONLY]: Error if progmem object needs
5760         constructing.
5761
5762 2017-07-11  Michael Collison  <michael.collison@arm.com>
5763
5764         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
5765         New pattern.
5766
5767 2017-07-11  Carl Love  <cel@us.ibm.com>
5768
5769         * config/rs6000/rs6000-c.c: Add support for builtins
5770         vector unsigned int vec_parity_lsbb (vector signed int);
5771         vector unsigned int vec_parity_lsbb (vector unsigned int);
5772         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
5773         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
5774         vector unsigned long long vec_parity_lsbb (vector signed long long);
5775         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
5776         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
5777         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
5778         * doc/extend.texi: Update the built-in documentation file for the
5779         new built-in functions.
5780
5781 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
5782
5783         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
5784         (layout::m_primary_loc): New field.
5785         (layout::layout): Initialize new field.  Move location filtering
5786         logic from here to...
5787         (layout::maybe_add_location_range): ...this new method.  Add
5788         support for filtering to just the lines already specified by other
5789         locations.
5790         (layout::will_show_line_p): New method.
5791         (gcc_rich_location::add_location_if_nearby): New method.
5792         (selftest::test_add_location_if_nearby): New test function.
5793         (selftest::diagnostic_show_locus_c_tests): Call it.
5794         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
5795         New method.
5796
5797 2017-07-11  Tom de Vries  <tom@codesourcery.com>
5798
5799         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
5800         (bb_first_real_insn): New function.
5801         (nvptx_single): Add extra initialization of broadcasted condition
5802         variables.
5803
5804 2017-07-11  Nathan Sidwell  <nathan@acm.org>
5805
5806         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
5807
5808 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
5809
5810         * doc/extend.texi (AVR Function Attributes): Remove weblink to
5811         Binutils doc as TEXI will mess them up.
5812         * doc/invoke.texi (AVR Options): Same here.
5813
5814 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
5815
5816         * config/sparc/sparc.opt (mfix-ut700): New option.
5817         (mfix-gr712rc): Likewise.
5818         (sparc_fix_b2bst): New variable.
5819         * doc/invoke.texi (SPARC options): Document them.
5820         (ARM options): Fix warnings.
5821         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
5822         instructions to prevent sequences that can trigger the store-store
5823         errata for certain LEON3FT processors.
5824         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
5825         (sparc_option_override): Set sparc_fix_b2bst appropriately.
5826         * config/sparc/sparc.md (fix_b2bst): New attribute.
5827         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
5828
5829 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
5830
5831         PR target/81375
5832         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
5833         (rcpps): Ditto.
5834         (*rsqrtsf2_sse): Ditto.
5835         (rsqrtsf2): Ditto.
5836         (div<mode>3): Macroize insn from divdf3 and divsf3
5837         using MODEF mode iterator.
5838
5839 2017-07-10  Martin Sebor  <msebor@redhat.com>
5840
5841         PR tree-optimization/80397
5842         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
5843         instead of testing for equality to INTEGER_TYPE.
5844
5845 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
5846
5847         * config.gcc: Remove uclibc from arc target spec.
5848
5849 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
5850
5851         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
5852
5853 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
5854
5855         PR lto/80838
5856         * lto-wrapper.c (remove_option): New function.
5857         (merge_and_complain): Merge PIC/PIE options more realistically.
5858
5859 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
5860
5861         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
5862
5863         PR target/20296
5864         PR target/81268
5865         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
5866         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
5867         * config.in: Regenerate.
5868         * configure: Regenerate.
5869         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
5870         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
5871         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
5872         (TARGET_GASISR_PROLOGUES): ...target mask.
5873         * common/config/avr/avr-common.c
5874         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
5875         Set -mgas-isr-prologues.
5876         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
5877         INSERT_PASS_BEFORE for it.
5878         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
5879         * config/avr/avr.c (avr_option_override)
5880         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
5881         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
5882         (avr_attribute_table) <no_gccisr>: Add new function attribute.
5883         (avr_set_current_function) <is_no_gccisr>: Init machine field.
5884         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
5885         and rtl_opt_pass.
5886         (make_avr_pass_pre_proep): New function.
5887         (emit_push_sfr) <treg>: Add argument to function and use it
5888         instead of TMP_REG.
5889         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
5890         and set machine->gasisr.yes.
5891         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
5892         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
5893         __gcc_isr.n_pushed to .L__stack_usage.
5894         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
5895         (avr_asm_final_postscan_insn): ...this new static function.
5896         * config/avr/avr.h (machine_function)
5897         <is_no_gccisr, use_L__stack_usage>: New fields.
5898         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
5899         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
5900         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
5901         (gasisr, *gasisr): New expander and insn.
5902         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
5903         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
5904         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
5905
5906 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
5907
5908         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
5909         in quoted strings.
5910
5911 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
5912
5913         Move jump-tables out of .text again.
5914
5915         PR target/81075
5916         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
5917         (ASM_OUTPUT_ADDR_VEC): New function.
5918         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
5919         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
5920         INSN_ADDRESSes as asm comment.
5921         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
5922         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
5923         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
5924         * config/avr/avr.md (*tablejump): Adjust comment.
5925         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
5926         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
5927         New detail.
5928         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
5929         (avr_output_addr_vec): New proto.
5930         (avr_log_t) <insn_addresses>: New field.
5931
5932 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
5933
5934         PR target/81313
5935         * config/i386/i386.c (ix86_function_arg_advance): Set
5936         outgoing_args_on_stack to true if there are outgoing arguments
5937         on stack.
5938         (ix86_function_arg): Likewise.
5939         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
5940         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
5941         * config/i386/i386.h (machine_function): Add
5942         outgoing_args_on_stack.
5943
5944 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
5945
5946         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
5947         supporting pthreds.
5948         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
5949
5950 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
5951
5952         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
5953         (REAL_H): Remove $(MACHMODE_H).
5954         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
5955         double-int.h.
5956         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
5957         $(MACHMODE_H) and double-int.h.
5958         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
5959         $(MACHMODE_H).
5960         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
5961         double-int.h.
5962
5963 2017-07-07  Andrew Pinski  <apinski@cavium.com>
5964
5965         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
5966         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
5967
5968 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
5969
5970         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
5971         Add warning if GCC was not configured to link against a GLIBC that
5972         exports the hardware capability bits.
5973         (make_resolver_func): Make resolver function private and not a
5974         COMDAT function.  Create the name with clone_function_name instead
5975         of make_unique_name.
5976
5977         PR target/81348
5978         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
5979         correct operand in doing the split.
5980
5981 2017-07-07 Carl Love  <cel@us.ibm.com>
5982
5983         * config/rs6000/rs6000-c: Add support for built-in function
5984         vector unsigned short vec_pack_to_short_fp32 (vector float,
5985                                                       vector float).
5986         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
5987         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
5988         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
5989         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
5990         (convert_4f32_8i16): Add define_expand.
5991         * doc/extend.texi: Update the built-in documentation file for the
5992         new built-in function.
5993
5994 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
5995
5996         * config/sparc/m8.md: New file.
5997         * config/sparc/sparc.md: Include m8.md.
5998
5999 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
6000
6001         * config/sparc/sparc.opt: New option -mvis4b.
6002         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
6003         (sparc_option_override): Handle VIS4B.
6004         (enum sparc_builtins): Define
6005         SPARC_BUILTIN_DICTUNPACK{8,16,32},
6006         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
6007         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
6008         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
6009         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
6010         (check_constant_argument): New function.
6011         (sparc_vis_init_builtins): Define builtins
6012         __builtin_vis_dictunpack{8,16,32},
6013         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
6014         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
6015         __builtin_vis_fpcmpde{8,16,32}shl and
6016         __builtin_vis_fpcmpur{8,16,32}shl.
6017         (sparc_expand_builtin): Check that the constant operands to
6018         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
6019         constant and in range.
6020         * config/sparc/sparc-c.c (sparc_target_macros): Handle
6021         TARGET_VIS4B.
6022         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
6023         (SPARC_IMM5_P): Likewise.
6024         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
6025         (enabled): Handle vis4b.
6026         (UNSPEC_DICTUNPACK): New unspec.
6027         (UNSPEC_FPCMPSHL): Likewise.
6028         (UNSPEC_FPUCMPSHL): Likewise.
6029         (UNSPEC_FPCMPDESHL): Likewise.
6030         (UNSPEC_FPCMPURSHL): Likewise.
6031         (cpu_feature): New CPU feature `vis4b'.
6032         (dictunpack{8,16,32}): New insns.
6033         (FPCSMODE): New mode iterator.
6034         (fpcscond): New code iterator.
6035         (fpcsucond): Likewise.
6036         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
6037         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
6038         (fpcmpde{8,16,32}{si,di}shl): Likewise.
6039         (fpcmpur{8,16,32}{si,di}shl): Likewise.
6040         * config/sparc/constraints.md: Define constraints `q' for unsigned
6041         2-bit integer constants and `t' for unsigned 5-bit integer
6042         constants.
6043         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
6044         predicate.
6045         (imm5_operand_dictunpack16): Likewise.
6046         (imm5_operand_dictunpack32): Likewise.
6047         (imm2_operand): Likewise.
6048         * doc/invoke.texi (SPARC Options): Document -mvis4b.
6049         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
6050         ditunpack* and fpcmp*shl builtins.
6051
6052 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
6053
6054         * config.gcc: Handle m8 in --with-{cpu,tune} options.
6055         * config.in: Add HAVE_AS_SPARC6 define.
6056         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
6057         M8.
6058         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
6059         TARGET_CPU_m8.
6060         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
6061         (CPP_CPU_SPEC): Handle m8.
6062         (ASM_CPU_SPEC): Likewise.
6063         * config/sparc/sparc-opts.h (enum processor_type): Add
6064         PROCESSOR_M8.
6065         * config/sparc/sparc.c (m8_costs): New struct.
6066         (sparc_option_override): Handle TARGET_CPU_m8.
6067         (sparc32_initialize_trampoline): Likewise.
6068         (sparc64_initialize_trampoline): Likewise.
6069         (sparc_issue_rate): Likewise.
6070         (sparc_register_move_cost): Likewise.
6071         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
6072         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
6073         (ASM_CPU64_DEFAULT_SPEC): Likewise.
6074         (CPP_CPU_SPEC): Handle M8.
6075         (ASM_CPU_SPEC): Likewise.
6076         (AS_M8_FLAG): Define.
6077         * config/sparc/sparc.md: Add m8 to the cpu attribute.
6078         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
6079         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
6080         M8 instructions.
6081         * configure: Regenerate.
6082         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
6083         -mtune=m8.
6084
6085 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
6086
6087         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
6088         subtypes.
6089         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
6090         ("*movdi_insn_sp32"): Do not set v3pipe.
6091         ("*movsi_insn"): Likewise.
6092         ("*movdi_insn_sp64"): Likewise.
6093         ("*movsf_insn"): Likewise.
6094         ("*movdf_insn_sp32"): Likewise.
6095         ("*movdf_insn_sp64"): Likewise.
6096         ("*zero_extendsidi2_insn_sp64"): Likewise.
6097         ("*sign_extendsidi2_insn"): Likewise.
6098         ("*mov<VM32:mode>_insn"): Likewise.
6099         ("*mov<VM64:mode>_insn_sp64"): Likewise.
6100         ("*mov<VM64:mode>_insn_sp32"): Likewise.
6101         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
6102         ("<vlop:code><VL:mode>3"): Likewise.
6103         ("*not_<vlop:code><VL:mode>3"): Likewise.
6104         ("*nand<VL:mode>_vis"): Likewise.
6105         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
6106         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
6107         ("one_cmpl<VL:mode>2"): Likewise.
6108         ("faligndata<VM64:mode>_vis"): Likewise.
6109         ("alignaddrsi_vis"): Likewise.
6110         ("alignaddrdi_vis"): Likweise.
6111         ("alignaddrlsi_vis"): Likewise.
6112         ("alignaddrldi_vis"): Likewise.
6113         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
6114         ("bmaskdi_vis"): Likewise.
6115         ("bmasksi_vis"): Likewise.
6116         ("bshuffle<VM64:mode>_vis"): Likewise.
6117         ("cmask8<P:mode>_vis"): Likewise.
6118         ("cmask16<P:mode>_vis"): Likewise.
6119         ("cmask32<P:mode>_vis"): Likewise.
6120         ("pdistn<P:mode>_vis"): Likewise.
6121         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
6122
6123 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
6124
6125         * config/sparc/sparc.md ("subtype"): New insn attribute.
6126         ("*wrgsr_sp64"): Set insn subtype.
6127         ("*rdgsr_sp64"): Likewise.
6128         ("alignaddrsi_vis"): Likewise.
6129         ("alignaddrdi_vis"): Likewise.
6130         ("alignaddrlsi_vis"): Likewise.
6131         ("alignaddrldi_vis"): Likewise.
6132         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
6133         ("fexpand_vis"): Likewise.
6134         ("fpmerge_vis"): Likewise.
6135         ("faligndata<VM64:mode>_vis"): Likewise.
6136         ("bshuffle<VM64:mode>_vis"): Likewise.
6137         ("cmask8<P:mode>_vis"): Likewise.
6138         ("cmask16<P:mode>_vis"): Likewise.
6139         ("cmask32<P:mode>_vis"): Likewise.
6140         ("fchksm16_vis"): Likewise.
6141         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
6142         ("fmean16_vis"): Likewise.
6143         ("fp<plusminus_insn>64_vis"): Likewise.
6144         ("<plusminus_insn>v8qi3"): Likewise.
6145         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
6146         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
6147         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
6148         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
6149         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
6150         ("*movqi_insn"): Likewise.
6151         ("*movhi_insn"): Likewise.
6152         ("*movsi_insn"): Likewise.
6153         ("movsi_pic_gotdata_op"): Likewise.
6154         ("*movdi_insn_sp32"): Likewise.
6155         ("*movdi_insn_sp64"): Likewise.
6156         ("movdi_pic_gotdata_op"): Likewise.
6157         ("*movsf_insn"): Likewise.
6158         ("*movdf_insn_sp32"): Likewise.
6159         ("*movdf_insn_sp64"): Likewise.
6160         ("*zero_extendhisi2_insn"): Likewise.
6161         ("*zero_extendqihi2_insn"): Likewise.
6162         ("*zero_extendqisi2_insn"): Likewise.
6163         ("*zero_extendqidi2_insn"): Likewise.
6164         ("*zero_extendhidi2_insn"): Likewise.
6165         ("*zero_extendsidi2_insn_sp64"): Likewise.
6166         ("ldfsr"): Likewise.
6167         ("prefetch_64"): Likewise.
6168         ("prefetch_32"): Likewise.
6169         ("tie_ld32"): Likewise.
6170         ("tie_ld64"): Likewise.
6171         ("*tldo_ldub_sp32"): Likewise.
6172         ("*tldo_ldub1_sp32"): Likewise.
6173         ("*tldo_ldub2_sp32"): Likewise.
6174         ("*tldo_ldub_sp64"): Likewise.
6175         ("*tldo_ldub1_sp64"): Likewise.
6176         ("*tldo_ldub2_sp64"): Likewise.
6177         ("*tldo_ldub3_sp64"): Likewise.
6178         ("*tldo_lduh_sp32"): Likewise.
6179         ("*tldo_lduh1_sp32"): Likewise.
6180         ("*tldo_lduh_sp64"): Likewise.
6181         ("*tldo_lduh1_sp64"): Likewise.
6182         ("*tldo_lduh2_sp64"): Likewise.
6183         ("*tldo_lduw_sp32"): Likewise.
6184         ("*tldo_lduw_sp64"): Likewise.
6185         ("*tldo_lduw1_sp64"): Likewise.
6186         ("*tldo_ldx_sp64"): Likewise.
6187         ("*mov<VM32:mode>_insn"): Likewise.
6188         ("*mov<VM64:mode>_insn_sp64"): Likewise.
6189         ("*mov<VM64:mode>_insn_sp32"): Likewise.
6190
6191 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
6192
6193         * config/sparc/sparc.md ("type"): New insn type viscmp.
6194         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
6195         viscmp.
6196         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
6197         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
6198         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
6199         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
6200         viscmp.
6201         ("n7_vis_logical_11cycle"): Likewise.
6202         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
6203         * config/sparc/niagara2.md ("niag3_vis": Likewise.
6204         * config/sparc/niagara.md ("niag_vis"): Likewise.
6205         * config/sparc/ultra3.md ("us3_fga"): Likewise.
6206         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
6207
6208 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
6209
6210         * config/sparc/sparc.md: New instruction type `bmask'.
6211         (bmaskdi_vis): Use the `bmask' type.
6212         (bmasksi_vis): Likewise.
6213         * config/sparc/ultra3.md (us3_array): Likewise.
6214         * config/sparc/niagara7.md (n7_array): Likewise.
6215         * config/sparc/niagara4.md (n4_array): Likewise.
6216         * config/sparc/niagara2.md (niag2_vis): Likewise.
6217         (niag3_vis): Likewise.
6218         * config/sparc/niagara.md (niag_vis): Likewise.
6219
6220 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
6221
6222         * ipa-comdats.c: Remove optimize check from gate.
6223         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
6224         for functions not optimized.
6225         (ipa_fn_summary_read): Skip optimize check.
6226         (ipa_fn_summary_write): Likewise.
6227         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
6228         is optimized.
6229         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
6230         uninlinable.
6231         (can_inline_edge_p): Check flag_pcc_struct_return for match.
6232         (check_callers): Give up on caller which is not optimized.
6233         (inline_small_functions): Likewise.
6234         (ipa_inline): Do not give up when not optimizing.
6235         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
6236         away unoptimizes cdtors.
6237         (whole_program_function_and_variable_visibility): Do
6238         ipa_discover_readonly_nonaddressable_vars in LTO mode.
6239         * ipa.c (process_references): Do not check optimize.
6240         (symbol_table::remove_unreachable_nodes): Update optimize check.
6241         (set_writeonly_bit): Update optimize check.
6242         (pass_ipa_cdtor_merge::gate): Do not check optimize.
6243         (pass_ipa_single_use::gate): Remove.
6244
6245 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
6246
6247         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
6248         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
6249         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
6250         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
6251         permute_load, permute_store, adjust_extract, adjust_splat,
6252         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
6253         replace_swap_with_copy, dump_swap_insn_table,
6254         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
6255         recombine_lvx_pattern, recombine_stvx_pattern,
6256         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
6257         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
6258         to file rs6000-p8swap.c.
6259         * config/rs6000/rs6000-p8swap.c: New file.
6260         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
6261         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
6262         and rs6000*-*-* targets.
6263
6264 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
6265
6266         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
6267
6268 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
6269
6270         * lto-wrapper.c (merge_and_complain): Do not merge
6271         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
6272         fsigned_zeros, ftrapping_math, fwrapv.
6273         (append_compiler_options): Do not track these options.
6274         (append_linker_options): Likewie
6275
6276 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
6277
6278         * cgraphunit.c (cgraph_node::finalize_function): When
6279         !flag_toplevel_reorde set no_reorder flag.
6280         (varpool_node::finalize_decl): Likewise.
6281         (symbol_table::compile): Drop no toplevel reorder path.
6282
6283 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
6284
6285         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
6286         edges; zero probability is not better than uninitialized.
6287
6288 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
6289
6290         * asan.h (asan_sanitize_allocas_p): Declare.
6291         * asan.c (asan_sanitize_allocas_p): New function.
6292         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
6293         (handle_builtin_alloca): Likewise.
6294         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
6295         if !asan_sanitize_allocas_p.
6296         * params.def (asan-instrument-allocas): Add new option.
6297         * params.h (ASAN_PROTECT_ALLOCAS): Define.
6298         * opts.c (common_handle_option): Disable allocas sanitization for
6299         KASan by default.
6300
6301 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
6302
6303         * asan.c: Include gimple-fold.h.
6304         (get_last_alloca_addr): New function.
6305         (handle_builtin_stackrestore): Likewise.
6306         (handle_builtin_alloca): Likewise.
6307         (asan_emit_allocas_unpoison): Likewise.
6308         (get_mem_refs_of_builtin_call): Add new parameter, remove const
6309         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
6310         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
6311         (instrument_builtin_call): Pass gimple iterator to
6312         get_mem_refs_of_builtin_call.
6313         (last_alloca_addr): New global.
6314         * asan.h (asan_emit_allocas_unpoison): Declare.
6315         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
6316         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
6317         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
6318         if function calls alloca.
6319         * gimple-fold.c (replace_call_with_value): Remove static keyword.
6320         * gimple-fold.h (replace_call_with_value): Declare.
6321         * internal-fn.c: Include asan.h.
6322         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
6323         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
6324
6325 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
6326
6327         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
6328         (C_SELFTEST_FLAGS): New.
6329         (CPP_SELFTEST_FLAGS): New.
6330         (SELFTEST_DEPS): New, from deps of s-selftest.
6331         (C_SELFTEST_DEPS): New, from deps of s-selftest.
6332         (CPP_SELFTEST_DEPS): New.
6333         (selftest): Add dependency on s-selftest-c++.
6334         (s-selftest): Rename to...
6335         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
6336         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
6337         than SELFTEST_FLAGS.
6338         (selftest-gdb): Rename to...
6339         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
6340         C_SELFTEST_FLAGS.
6341         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
6342         (selftest-valgrind): Rename to...
6343         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
6344         C_SELFTEST_FLAGS.
6345         (selftest-valgrind): Reintroduce as an alias for
6346         selftest-c-valgrind.
6347         (s-selftest-c++): New.
6348         (selftest-c++-gdb): New.
6349         (selftest-c++-valgrind): New.
6350
6351 2017-07-06  Olivier Hainque  <hainque@adacore.com>
6352
6353         * gcc.c (process_command): When deciding if undefined variables
6354         should be ignored when processing specs, accept "gcc -v" as well.
6355
6356 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
6357
6358         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
6359         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
6360
6361 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6362
6363         * config/arm/arm-cpus.in (armv8-r): Add new entry.
6364         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
6365         * config/arm/arm-tables.opt: Regenerate.
6366         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
6367         enumerator.
6368         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
6369
6370 2017-07-06  Carl Love  <cel@us.ibm.com>
6371
6372         * ChangeLog: Clean up from mid air collision
6373
6374 2017-07-06  Carl Love  <cel@us.ibm.com>
6375
6376         * config/rs6000/rs6000-c.c: Add support for built-in functions
6377         vector signed int vec_subc (vector signed int, vector signed int);
6378         vector signed __int128 vec_subc (vector signed __int128,
6379                                          vector signed __int128);
6380         vector unsigned __int128 vec_subc (vector unsigned __int128,
6381                                            vector unsigned __int128);
6382         vector signed int vec_sube (vector signed int, vector signed int,
6383                                     vector signed int);
6384         vector unsigned int vec_sube (vector unsigned int,
6385                                       vector unsigned int,
6386                                       vector unsigned int);
6387         vector signed __int128 vec_sube (vector signed __int128,
6388                                          vector signed __int128,
6389                                          vector signed__int128);
6390         vector unsigned __int128 vec_sube (vector unsigned __int128,
6391                                            vector unsigned __int128,
6392                                            vector unsigned __int128);
6393         vector signed int vec_subec (vector signed int, vector signed int,
6394                                      vector signed int);
6395         vector unsigned int vec_subec (vector unsigned int,
6396                                        vector unsigned int,
6397                                        vector unsigned int);
6398         vector signed __int128 vec_subec (vector signed __int128,
6399                                           vector signed __int128,
6400                                           vector signed__int128);
6401         vector unsigned __int128 vec_subec (vector unsigned __int128,
6402                                             vector unsigned __int128,
6403                                             vector unsigned __int128);
6404         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
6405         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
6406         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
6407         BU_ALTIVEC_OVERLOAD_X definitions.
6408         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
6409         * doc/extend.texi: Update the built-in documentation file for the new
6410         built-in functions.
6411
6412 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
6413
6414         PR c++/79300
6415         * diagnostic-show-locus.c (layout::layout): Use start and finish
6416         spelling location for the start and finish of each range.
6417         * genmatch.c (linemap_client_expand_location_to_spelling_point):
6418         Add unused aspect param.
6419         * input.c (expand_location_1): Add "aspect" param, and use it
6420         to access the correct part of the location.
6421         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
6422         expand_location_1.
6423         (expand_location_to_spelling_point): Likewise.
6424         (linemap_client_expand_location_to_spelling_point): Add "aspect"
6425         param, and pass it to expand_location_1.
6426
6427 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
6428
6429         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
6430         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
6431         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
6432         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
6433         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
6434         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
6435         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
6436         _mm_maskz_getmant_ss): New intrinsics.
6437         (__builtin_ia32_getexpss128_mask): Changed to ...
6438         __builtin_ia32_getexpss128_round ... this.
6439         (__builtin_ia32_getexpsd128_mask): Changed to ...
6440         __builtin_ia32_getexpsd128_round ... this.
6441         * config/i386/i386-builtin-types.def
6442         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
6443         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
6444         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
6445         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
6446         __builtin_ia32_getmantss_mask_round): New builtins.
6447         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
6448         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
6449         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
6450         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
6451         * config/i386/sse.md
6452         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
6453         avx512f_sgetexp<mode><mask_scalar_name>
6454         <round_saeonly_scalar_name> ... this.
6455         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
6456         %0, %1, %2<round_saeonly_op3>}): Changed to ...
6457         vgetexp<ssescalarmodesuffix>
6458         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
6459         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
6460         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
6461         avx512f_vgetmant<mode><mask_scalar_name>
6462         <round_saeonly_scalar_name> ... this.
6463         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
6464         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
6465         vgetmant<ssescalarmodesuffix>
6466         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
6467         %0<mask_scalar_operand4>, %1, %2
6468         <round_saeonly_scalar_mask_op4>, %3} ... this.
6469         * config/i386/subst.md (mask_scalar_operand4,
6470         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
6471         round_saeonly_scalar_nimm_predicate): New subst attributes.
6472
6473 2017-07-06  Julia Koval  <julia.koval@intel.com>
6474
6475         * config/i386/i386.c (ix86_erase_embedded_rounding):
6476         Remove code for old rounding pattern.
6477
6478 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
6479
6480         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
6481
6482 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
6483
6484         * doc/sourcebuild.texi (Test Directives, Variants of
6485         dg-require-support): Add documentation for dg-require-stack-check.
6486
6487 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
6488
6489         * config/i386/subst.md (mask_scalar, round_scalar,
6490         round_saeonly_scalar): New meta-templates.
6491         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
6492         round_scalar_mask_operand3, round_scalar_mask_op3,
6493         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
6494         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
6495         round_saeonly_scalar_constraint,
6496         round_saeonly_scalar_prefix): New subst attribute.
6497         * config/i386/sse.md
6498         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
6499         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
6500         <round_scalar_name> ... this.
6501         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
6502         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
6503         <round_scalar_name> ... this.
6504         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
6505         <sse>_vm<code><mode>3<mask_scalar_name>
6506         <round_saeonly_scalar_name> ... this.
6507         (v<plusminus_mnemonic><ssescalarmodesuffix>
6508         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
6509         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
6510         v<plusminus_mnemonic><ssescalarmodesuffix>
6511         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
6512         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
6513         (v<multdiv_mnemonic><ssescalarmodesuffix>
6514         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
6515         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
6516         v<multdiv_mnemonic><ssescalarmodesuffix>
6517         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
6518         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
6519         (v<maxmin_float><ssescalarmodesuffix>
6520         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
6521         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
6522         v<maxmin_float><ssescalarmodesuffix>
6523         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
6524         %0<mask_scalar_operand3>, %1, %<iptr>2
6525         <round_saeonly_scalar_mask_op3>} ... this.
6526
6527 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
6528
6529         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
6530         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
6531
6532 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
6533             Alan Hayward  <alan.hayward@arm.com>
6534             David Sherwood  <david.sherwood@arm.com>
6535
6536         * combine.c (simplify_if_then_else): Remove "enum" before
6537         "machine_mode".
6538         * compare-elim.c (can_eliminate_compare): Likewise.
6539         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
6540         Likewise.
6541         (aarch64_lookup_simd_builtin_type): Likewise.
6542         (aarch64_simd_builtin_type): Likewise.
6543         (aarch64_init_simd_builtin_types): Likewise.
6544         (aarch64_simd_expand_args): Likewise.
6545         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
6546         Likewise.
6547         (aarch64_reverse_mask): Likewise.
6548         (aarch64_simd_emit_reg_reg_move): Likewise.
6549         (aarch64_gen_adjusted_ldpstp): Likewise.
6550         (aarch64_ccmp_mode_to_code): Likewise.
6551         (aarch64_operands_ok_for_ldpstp): Likewise.
6552         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
6553         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
6554         Likewise.
6555         (aarch64_min_divisions_for_recip_mul): Likewise.
6556         (aarch64_reassociation_width): Likewise.
6557         (aarch64_get_condition_code_1): Likewise.
6558         (aarch64_simd_emit_reg_reg_move): Likewise.
6559         (aarch64_simd_attr_length_rglist): Likewise.
6560         (aarch64_reverse_mask): Likewise.
6561         (aarch64_operands_ok_for_ldpstp): Likewise.
6562         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
6563         (aarch64_gen_adjusted_ldpstp): Likewise.
6564         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
6565         Likewise.
6566         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
6567         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
6568         (arm_lookup_simd_builtin_type): Likewise.
6569         (arm_simd_builtin_type): Likewise.
6570         (arm_init_simd_builtin_types): Likewise.
6571         (arm_expand_builtin_args): Likewise.
6572         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
6573         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
6574         (ft32_setup_incoming_varargs): Likewise.
6575         (ft32_function_arg): Likewise.
6576         (ft32_function_arg_advance): Likewise.
6577         (ft32_pass_by_reference): Likewise.
6578         (ft32_arg_partial_bytes): Likewise.
6579         (ft32_valid_pointer_mode): Likewise.
6580         (ft32_addr_space_pointer_mode): Likewise.
6581         (ft32_addr_space_legitimate_address_p): Likewise.
6582         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
6583         Likewise.
6584         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
6585         (ix86_emit_outlined_ms2sysv_restore): Likewise.
6586         (iamcu_alignment): Likewise.
6587         (canonicalize_vector_int_perm): Likewise.
6588         (ix86_noce_conversion_profitable_p): Likewise.
6589         (ix86_mpx_bound_mode): Likewise.
6590         (ix86_operands_ok_for_move_multiple): Likewise.
6591         * config/microblaze/microblaze-protos.h
6592         (microblaze_expand_conditional_branch_reg): Likewise.
6593         * config/microblaze/microblaze.c
6594         (microblaze_expand_conditional_branch_reg): Likewise.
6595         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
6596         Likewise.
6597         (rs6000_reassociation_width): Likewise.
6598         (rs6000_invalid_binary_op): Likewise.
6599         (fusion_p9_p): Likewise.
6600         (emit_fusion_p9_load): Likewise.
6601         (emit_fusion_p9_store): Likewise.
6602         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
6603         Likewise.
6604         (riscv_hard_regno_mode_ok_p): Likewise.
6605         (riscv_address_insns): Likewise.
6606         (riscv_split_symbol): Likewise.
6607         (riscv_legitimize_move): Likewise.
6608         (riscv_function_value): Likewise.
6609         (riscv_hard_regno_nregs): Likewise.
6610         (riscv_expand_builtin): Likewise.
6611         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
6612         (riscv_build_integer): Likewise.
6613         (riscv_split_integer): Likewise.
6614         (riscv_legitimate_constant_p): Likewise.
6615         (riscv_cannot_force_const_mem): Likewise.
6616         (riscv_regno_mode_ok_for_base_p): Likewise.
6617         (riscv_valid_base_register_p): Likewise.
6618         (riscv_valid_offset_p): Likewise.
6619         (riscv_valid_lo_sum_p): Likewise.
6620         (riscv_classify_address): Likewise.
6621         (riscv_legitimate_address_p): Likewise.
6622         (riscv_address_insns): Likewise.
6623         (riscv_load_store_insns): Likewise.
6624         (riscv_force_binary): Likewise.
6625         (riscv_split_symbol): Likewise.
6626         (riscv_force_address): Likewise.
6627         (riscv_legitimize_address): Likewise.
6628         (riscv_move_integer): Likewise.
6629         (riscv_legitimize_const_move): Likewise.
6630         (riscv_legitimize_move): Likewise.
6631         (riscv_address_cost): Likewise.
6632         (riscv_subword): Likewise.
6633         (riscv_output_move): Likewise.
6634         (riscv_canonicalize_int_order_test): Likewise.
6635         (riscv_emit_int_order_test): Likewise.
6636         (riscv_function_arg_boundary): Likewise.
6637         (riscv_pass_mode_in_fpr_p): Likewise.
6638         (riscv_pass_fpr_single): Likewise.
6639         (riscv_pass_fpr_pair): Likewise.
6640         (riscv_get_arg_info): Likewise.
6641         (riscv_function_arg): Likewise.
6642         (riscv_function_arg_advance): Likewise.
6643         (riscv_arg_partial_bytes): Likewise.
6644         (riscv_function_value): Likewise.
6645         (riscv_pass_by_reference): Likewise.
6646         (riscv_setup_incoming_varargs): Likewise.
6647         (riscv_print_operand): Likewise.
6648         (riscv_elf_select_rtx_section): Likewise.
6649         (riscv_save_restore_reg): Likewise.
6650         (riscv_for_each_saved_reg): Likewise.
6651         (riscv_register_move_cost): Likewise.
6652         (riscv_hard_regno_mode_ok_p): Likewise.
6653         (riscv_hard_regno_nregs): Likewise.
6654         (riscv_class_max_nregs): Likewise.
6655         (riscv_memory_move_cost): Likewise.
6656         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
6657         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
6658         (rl78_addr_space_address_mode): Likewise.
6659         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6660         Likewise.
6661         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
6662         (rs6000_reassociation_width): Likewise.
6663         (rs6000_invalid_binary_op): Likewise.
6664         (fusion_p9_p): Likewise.
6665         (emit_fusion_p9_load): Likewise.
6666         (emit_fusion_p9_store): Likewise.
6667         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
6668         (ok_for_simple_move_operands): Likewise.
6669         (ok_for_simple_move_strict_operands): Likewise.
6670         (ok_for_simple_arith_logic_operands): Likewise.
6671         (visium_legitimize_reload_address): Likewise.
6672         (visium_select_cc_mode): Likewise.
6673         (output_cbranch): Likewise.
6674         (visium_split_double_move): Likewise.
6675         (visium_expand_copysign): Likewise.
6676         (visium_expand_int_cstore): Likewise.
6677         (visium_expand_fp_cstore): Likewise.
6678         * config/visium/visium.c (visium_pass_by_reference): Likewise.
6679         (visium_function_arg): Likewise.
6680         (visium_function_arg_advance): Likewise.
6681         (visium_libcall_value): Likewise.
6682         (visium_setup_incoming_varargs): Likewise.
6683         (visium_legitimate_constant_p): Likewise.
6684         (visium_legitimate_address_p): Likewise.
6685         (visium_legitimize_address): Likewise.
6686         (visium_secondary_reload): Likewise.
6687         (visium_register_move_cost): Likewise.
6688         (visium_memory_move_cost): Likewise.
6689         (prepare_move_operands): Likewise.
6690         (ok_for_simple_move_operands): Likewise.
6691         (ok_for_simple_move_strict_operands): Likewise.
6692         (ok_for_simple_arith_logic_operands): Likewise.
6693         (visium_function_value_1): Likewise.
6694         (rtx_ok_for_offset_p): Likewise.
6695         (visium_legitimize_reload_address): Likewise.
6696         (visium_split_double_move): Likewise.
6697         (visium_expand_copysign): Likewise.
6698         (visium_expand_int_cstore): Likewise.
6699         (visium_expand_fp_cstore): Likewise.
6700         (visium_split_cstore): Likewise.
6701         (visium_select_cc_mode): Likewise.
6702         (visium_split_cbranch): Likewise.
6703         (output_cbranch): Likewise.
6704         (visium_print_operand_address): Likewise.
6705         * expmed.c (flip_storage_order): Likewise.
6706         * expmed.h (emit_cstore): Likewise.
6707         (flip_storage_order): Likewise.
6708         * genrecog.c (validate_pattern): Likewise.
6709         * hsa-gen.c (gen_hsa_addr): Likewise.
6710         * internal-fn.c (expand_arith_overflow): Likewise.
6711         * ira-color.c (allocno_copy_cost_saving): Likewise.
6712         * lra-assigns.c (find_hard_regno_for_1): Likewise.
6713         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
6714         (process_invariant_for_inheritance): Likewise.
6715         * lra-eliminations.c (move_plus_up): Likewise.
6716         * omp-low.c (lower_oacc_reductions): Likewise.
6717         * simplify-rtx.c (simplify_subreg): Likewise.
6718         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
6719         (TARGET_CHKP_BOUND_MODE): Likewise..
6720         * targhooks.c (default_chkp_bound_mode): Likewise.
6721         (default_setup_incoming_vararg_bounds): Likewise.
6722         * targhooks.h (default_chkp_bound_mode): Likewise.
6723         (default_setup_incoming_vararg_bounds): Likewise.
6724         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
6725         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
6726         (have_whole_vector_shift): Likewise.
6727         * tree-vect-stmts.c (vectorizable_load): Likewise.
6728         * doc/tm.texi: Regenerate.
6729
6730 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
6731
6732         Graceful degrade if Binutils PR21472 is not available.
6733
6734         PR target/81072
6735         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
6736         .rodata in flash test fails.
6737         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
6738         * confgure: Regenerate.
6739         * config.in: Regenerate.
6740         * config/avr/avr.c (avr_asm_named_section)
6741         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
6742         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
6743         (avr_asm_init_sections): Same.
6744
6745 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6746
6747         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
6748         (fma<VH:mode>4_intrinsic): Likewise.
6749         (*fmsub<VCVTF:mode>4): Likewise.
6750         (*fmsub<VH:mode>4_intrinsic): Likewise.
6751
6752 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
6753
6754         PR target/81305
6755         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
6756         Don't depend on "optimize > 0".
6757         (out_movhi_r_mr, out_movqi_mr_r): Same.
6758         (out_movhi_mr_r, out_movqi_r_mr): Same.
6759         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
6760         io_address_operand on "optimize > 0".
6761
6762 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6763
6764         * tree-loop-distribution.c: Add general explanantion on the pass.
6765         (generate_loops_for_partition): Mark distributed loop.
6766         (pg_add_dependence_edges): New parameter.  Handle alias data
6767         dependence specially and record it in the parameter if asked.
6768         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
6769         (init_partition_graph_vertices, add_partition_graph_edge): New.
6770         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
6771         (free_partition_graph_vdata, build_partition_graph): New.
6772         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
6773         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
6774         (data_ref_segment_size, latch_dominated_by_data_ref): New.
6775         (compute_alias_check_pairs, version_loop_by_alias_check): New.
6776         (version_for_distribution_p, finalize_partitions): New.
6777         (distribute_loop): Handle alias data dependence specially.  Factor
6778         out loop fusion code as functions and call these functions.
6779
6780 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6781
6782         * tree-loop-distribution.c (classify_partition): New parameter and
6783         better handle reduction statement.
6784         (rdg_build_partitions): Revise comment.
6785         (distribute_loop): Compute statements in all partitions and pass it
6786         to classify_partition.
6787
6788 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6789
6790         * tree-loop-distribution.c (enum partition_type): New.
6791         (struct partition): New field type.
6792         (partition_merge_into): Add parameter.  Update partition type.
6793         (data_dep_in_cycle_p, update_type_for_merge): New functions.
6794         (build_rdg_partition_for_vertex): Compute partition type.
6795         (rdg_build_partitions): Dump partition type.
6796         (distribute_loop): Update calls to partition_merge_into.
6797
6798 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6799
6800         * tree-loop-distribution.c (struct ddr_hasher): New.
6801         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
6802         (ddrs_table): New.
6803         (classify_partition): Call get_data_dependence.
6804         (pg_add_dependence_edges): Ditto.
6805         (distribute_loop): Release data dependence hash table.
6806
6807 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6808
6809         * tree-loop-distribution.c (ref_base_address): Delete.
6810         (similar_memory_accesses): Rename ...
6811         (share_memory_accesses): ... to this.  Check if partitions access
6812         the same memory reference.
6813         (distribute_loop): Call share_memory_accesses.
6814
6815 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6816
6817         * tree-loop-distribution.c (struct partition): New field recording
6818         its data reference.
6819         (partition_alloc, partition_free): Init and release data refs.
6820         (partition_merge_into): Merge data refs.
6821         (build_rdg_partition_for_vertex): Collect data refs for partition.
6822         (pg_add_dependence_edges): Change parameters from vector to bitmap.
6823         Update uses.
6824         (distribute_loop): Remve data refs from vertice data of partition
6825         graph.
6826
6827 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6828
6829         * tree-loop-distribution.c (params.h): Include header file.
6830         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
6831         (datarefs_vec): New global var.
6832         (create_rdg_vertices): Use datarefs_vec directly.
6833         (free_rdg): Don't free data references.
6834         (build_rdg): Update use.  Don't free data references.
6835         (distribute_loop): Compute global variable for data references.
6836         Bail out if there are too many data references.
6837
6838 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6839
6840         * tree-loop-distribution.c (loop_nest): New global var.
6841         (build_rdg): Use loop directly, rather than loop nest.
6842         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
6843         variable directly.
6844         (distribute_loop): Compute global variable loop nest.  Update use.
6845
6846 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6847
6848         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
6849         (partition_merge_into): New parameter.  Dump reason for fusion.
6850         (distribute_loop): Update use of partition_merge_into.
6851
6852 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6853
6854         * tree-loop-distribution.c (bb_top_order_index): New.
6855         (bb_top_order_index_size, bb_top_order_cmp): New.
6856         (stmts_from_loop): Use topological order.
6857         (pass_loop_distribution::execute): Compute and release topological
6858         order for basic blocks.
6859
6860 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6861
6862         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
6863         if no loops.
6864
6865 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
6866
6867         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
6868         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
6869         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
6870         * internal-fn.def (LOOP_DIST_ALIAS): New.
6871         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
6872         (fold_loop_internal_call): ... this.
6873         (vect_loop_dist_alias_call): New function.
6874         (set_uid_loop_bbs): Call fold_loop_internal_call.
6875         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
6876         internal calls.
6877
6878 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
6879
6880         PR target/81300
6881         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
6882         Require dead FLAGS_REG at the beginning of a peephole.
6883
6884 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
6885
6886         PR target/81294
6887         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
6888         arguments in the call to __builtin_ia32_sbb_u32.
6889         (_subborrow_u64): Swap _X and _Y arguments in the call to
6890         __builtin_ia32_sbb_u64.
6891
6892 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
6893
6894         PR debug/81278
6895         * tree-vrp.c (compare_assert_loc): Turn into a function template
6896         with stable template parameter.  Only test if a->e is NULL,
6897         !a->e == !b->e has been verified already.  Use e == NULL or
6898         e != NULL instead of e or ! e tests.  If stable is true, don't use
6899         iterative_hash_expr, on the other side allow a or b or both NULL
6900         and sort the NULLs last.
6901         (process_assert_insertions): Sort using compare_assert_loc<false>
6902         instead of compare_assert_loc, later sort using
6903         compare_assert_loc<true> before calling process_assert_insertions_for
6904         in a loop.  Use break instead of continue once seen NULL pointer.
6905
6906 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6907
6908         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
6909         Cortex-R7 and Cortex-R8 processors.
6910
6911 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
6912
6913         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
6914         uninitialized while src is not.
6915
6916 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
6917
6918         * common/config/arm/arm-common.c: Adjust include path for
6919         arm-cpu-cdata.h
6920         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
6921         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
6922         (arm-cpu-data.h): Likewise.
6923         (arm-cpu-cdata.h): Likewise.
6924         * config/arm/arm-cpu.h: Delete.
6925         * config/arm/arm-cpu-cdata.h: Delete.
6926         * config/arm/arm-cpu-data.h: Delete.
6927
6928 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
6929
6930         * config/arm/arm-cpus.in (cortex-a55): New.
6931         (cortex-a75): Likewise.
6932         (cortex-a75.cortex-a55): Likewise.
6933         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
6934         cortex-a75.
6935         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
6936         * config/arm/arm-cpu-cdata.h: Regenerate.
6937         * config/arm/arm-cpu-data.h: Regenerate.
6938         * config/arm/arm-cpu.h: Regenerate.
6939         * config/arm/arm-tables.opt: Regenerate.
6940         * config/arm/arm-tune.md: Regenerate.
6941
6942 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
6943
6944         * haifa-sched.c (sched_create_recovery_edges): Update profile.
6945
6946 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
6947
6948         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
6949         probability.
6950
6951 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
6952
6953         PR tree-optimization/81292
6954         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
6955         full_string_p, also call adjust_related_strinfos if the adjustment
6956         is simple, otherwise invalidate related strinfos.
6957
6958 2017-07-04  Martin Liska  <mliska@suse.cz>
6959
6960         PR sanitizer/81040
6961         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
6962         newly created variable as DECL_IGNORED_P.
6963
6964 2017-07-04  Martin Liska  <mliska@suse.cz>
6965
6966         PR ipa/81293
6967         * ipa-inline.c (inline_small_functions):
6968         Use xstrdup_for_dump.
6969
6970 2017-07-04  Tom de Vries  <tom@codesourcery.com>
6971
6972         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
6973
6974 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
6975
6976         PR target/81033
6977         * config/darwin.c (darwin_function_switched_text_sections):
6978         Fix spaces.
6979
6980 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
6981
6982         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
6983
6984 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
6985
6986         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
6987
6988 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
6989
6990         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
6991         min_profitable_iters, and th as inclusive lower bounds.
6992         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
6993         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
6994         for min_profitable_iters and min_profitable_estimate.
6995         (vect_transform_loop): Treat th as an inclusive lower bound.
6996         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
6997
6998 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
6999
7000         PR target/81033
7001         * config/darwin.c (darwin_function_switched_text_sections):
7002         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
7003         in two pieces, and suppress the use of buf.
7004
7005 2017-07-03  Nathan Sidwell  <nathan@acm.org>
7006
7007         * hash-table.h (hash_table_mod1): Fix indentation.
7008
7009 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7010
7011         PR middle-end/81290
7012         * predict.c (force_edge_cold): Be more careful about propagation
7013         backward.
7014         * profile-count.h (profile_probability::guessed,
7015         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
7016         New.
7017         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
7018
7019 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
7020
7021         * doc/invoke.texi (rcpc architecture extension): Document it.
7022
7023 2017-07-03  Richard Biener  <rguenther@suse.de>
7024
7025         PR tree-optimization/60510
7026         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
7027         the scalar reduction PHI and use it.
7028         (vectorizable_reduction): Properly guard the single_defuse_cycle
7029         path for non-SLP reduction chains where we cannot use it.
7030         Rework reduc_def/index and vector type deduction.  Rework
7031         vector operand gathering during reduction op code-gen.
7032         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
7033         chains dissolve the chain and leave it to non-SLP reduction
7034         handling.
7035
7036 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
7037
7038         * tree-data-ref.h (dr_alignment): Declare.
7039         * tree-data-ref.c (dr_alignment): New function.
7040         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
7041         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
7042         set it.
7043         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
7044
7045 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
7046
7047         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
7048         and base_misalignment fields.
7049         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
7050         * tree-data-ref.c: Include builtins.h.
7051         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
7052         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
7053         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
7054         * tree-vect-data-refs.c: Include tree-cfg.h.
7055         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
7056         fields instead of calculating an alignment here.
7057         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
7058         innermost_loop_behavior fields.
7059
7060 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
7061
7062         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
7063         field.
7064         (DR_STEP_ALIGNMENT): New macro.
7065         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
7066         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
7067         (create_data_ref): Print it.
7068         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
7069         to tell whether the step preserves vector (mis)alignment.
7070         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
7071         Move the check for an integer step and generalise to all INTEGER_CST.
7072         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
7073         Print the outer step alignment.
7074
7075 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
7076
7077         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
7078         with offset_alignment.
7079         (DR_ALIGNED_TO): Delete.
7080         (DR_OFFSET_ALIGNMENT): New macro.
7081         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
7082         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
7083         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
7084         (create_data_ref): Likewise.
7085         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
7086         (vect_analyze_data_refs): Likewise.
7087         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
7088         creating dummy innermost behavior.
7089
7090 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
7091
7092         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
7093         with a "innermost_loop_behavior *" and refeence tree.
7094         * tree-data-ref.c (dr_analyze_innermost): Likewise.
7095         (create_data_ref): Update call accordingly.
7096         * tree-predcom.c (find_looparound_phi): Likewise.
7097
7098 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
7099
7100         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
7101         fields with dr_wrt_vec_loop.
7102         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
7103         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
7104         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
7105         (vect_dr_behavior): New function.
7106         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
7107         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
7108         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
7109         track whether the step preserves the misalignment.
7110         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
7111         Use vect_dr_behavior.
7112         (vect_setup_realignment): Update call accordingly.
7113         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
7114         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
7115         call to vect_create_addr_base_for_vector_ref.
7116         (vect_create_cond_for_align_checks): Likewise.
7117         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
7118         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
7119         (vect_recog_mask_conversion_pattern): Likewise.
7120         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
7121         (new_stmt_vec_info): Remove redundant zeroing.
7122
7123 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
7124
7125         * common/config/arm/arm-common.c (arm_be8_option): New function.
7126         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
7127         (ISA_ARMv6): Add isa_bit_be8.
7128         * config/arm/arm.h (arm_be8_option): Add prototype.
7129         (BE8_SPEC_FUNCTION): New define.
7130         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
7131         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
7132         (mlittle-endian): Similarly.
7133         (mbe8, mbe32): New options.
7134         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
7135         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
7136
7137 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7138
7139         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
7140
7141 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7142
7143         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
7144         (cleanup_tree_cfg_bb): Use it.
7145         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
7146         New functions.
7147         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
7148
7149 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7150
7151         PR bootstrap/81285
7152         * loop-doloop.c (add_test): Update profile.
7153
7154 2017-07-03  Martin Liska  <mliska@suse.cz>
7155
7156         PR sanitize/81040
7157         * sanopt.c (rewrite_usage_of_param): New function.
7158         (sanitize_rewrite_addressable_params): Likewise.
7159         (pass_sanopt::execute): Call rewrite_usage_of_param.
7160
7161 2017-07-03  Richard Biener  <rguenther@suse.de>
7162
7163         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
7164         back to using VIEW_CONVERT_EXPR.
7165
7166 2017-07-03  Martin Liska  <mliska@suse.cz>
7167
7168         PR other/78366
7169         * doc/extend.texi: Document when a resolver function is
7170         generated for target_clones.
7171
7172 2017-07-03  Martin Liska  <mliska@suse.cz>
7173
7174         * asan.c (asan_emit_stack_protection): Unpoison just red zones
7175         and shadow memory of auto variables which are subject of
7176         use-after-scope sanitization.
7177         (asan_expand_mark_ifn): Add do set only when is_poison.
7178
7179 2016-07-03  Richard Biener  <rguenther@suse.de>
7180
7181         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
7182         reduction PHIs.
7183         (vect_force_simple_reduction): Record reduction def -> phi mapping.
7184         (vectorizable_reduction): Perform reduction PHI creation when
7185         visiting a reduction PHI and adjust and simplify code generation
7186         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
7187         (vect_transform_loop): Visit reduction PHIs.
7188         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
7189         defs into the SLP tree.
7190         (vect_build_slp_tree): Reduction defs terminate the recursion.
7191         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
7192         of reduction defs.
7193         (vect_get_vec_defs_for_stmt_copy): Export.
7194         (vect_get_vec_defs): Likewise.
7195         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
7196         purpose.
7197         (vect_get_vec_defs_for_stmt_copy): Declare.
7198         (vect_get_vec_defs): Likewise.
7199
7200 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
7201
7202         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
7203         parameter with a "loop" parameter and use it instead of the
7204         loop containing DR_STMT.  Don't check simple_iv when doing
7205         BB analysis.  Describe the two analysis modes in the comment.
7206
7207 2017-07-03  Tom de Vries  <tom@codesourcery.com>
7208
7209         PR tree-optimization/69468
7210         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
7211         (find_same_succ_bb): Handle ignore_edge_flags.
7212
7213 2017-07-03  Tom de Vries  <tom@codesourcery.com>
7214
7215         PR tree-optimization/81192
7216         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
7217         hash.
7218         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
7219         differs.
7220         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
7221
7222 2017-07-03  Tom de Vries  <tom@codesourcery.com>
7223
7224         PR tree-optimization/81192
7225         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
7226         BB_SAME_SUCC (bb) == NULL.
7227
7228 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7229
7230         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
7231         consistency.
7232
7233 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7234
7235         * dumpfile.c: Include profile-count.h
7236         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
7237         update profile.
7238         (insert_cond_bb): Update profile.
7239         * tree-cfg.h (insert_cond_bb): Update prototype.
7240         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
7241         * tree-dump.c: Do not include tree-cfg.
7242
7243 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7244
7245         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
7246
7247 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7248
7249         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
7250         bb.
7251
7252 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
7253
7254         * tree-complex.c (expand_complex_div_wide): update profile.
7255
7256 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
7257             Alan Hayward  <alan.hayward@arm.com>
7258             David Sherwood  <david.sherwood@arm.com>
7259
7260         * Makefile.in (MACHMODE_H): Remove insn-modes.h
7261         (CORETYPES_H): New define.
7262         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
7263         (insn-modes-inline.h, s-modes-inline-h): New rules.
7264         (generated_files): Add insn-modes-inline.h.
7265         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
7266         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
7267         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
7268         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
7269         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
7270         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
7271         (build/gencodes.o, build/genconditions.o): Likewise.
7272         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
7273         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
7274         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
7275         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
7276         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
7277         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
7278         * coretypes.h: Include everything up to real.h for generators.
7279         Include insn-modes.h first.  Include wide-int-print.h after
7280         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
7281         * machmode.h: Don't include insn-modes.h here.
7282         * function-tests.c: Remove includes of signop.h, machmode.h,
7283         double-int.h and wide-int.h.
7284         * rtl.h: Likewise.
7285         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
7286         and wide-int.h.
7287         * optc-save-gen.awk: Likewise.
7288         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
7289         * godump.c: Remove include of wide-int-print.h.
7290         * pretty-print.h: Likewise.
7291         * wide-int-print.cc: Likewise.
7292         * wide-int.cc: Likewise.
7293         * hash-map-tests.c: Remove include of signop.h.
7294         * hash-set-tests.c: Likewise.
7295         * rtl-tests.c: Likewise.
7296         * mkconfig.sh: Remove include of machmode.h.
7297         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
7298         into...
7299         (emit_insn_modes_inline_h): ...this new function.  Emit the code
7300         into an insn-modes-inline.h header file, adding appropriate
7301         include guards and end comments.
7302         (emit_insn_modes_c_header): Remove include of machmode.h.
7303         (emit_min_insn_modes_c_header): Include coretypes.h rather than
7304         machmode.h.
7305         (main): Handle -i flag and call emit_insn_modes_inline_h when
7306         it is passed.
7307
7308 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
7309
7310         * tree-ssa-strlen.c (strinfo): Rename the length field to
7311         nonzero_chars.  Add a full_string_p field.
7312         (compare_nonzero_chars, zero_length_string_p): New functions.
7313         (get_addr_stridx): Add an offset_out parameter.
7314         Use compare_nonzero_chars.
7315         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
7316         (new_strinfo): Update after above changes to strinfo.
7317         (set_endptr_and_length): Set full_string_p.
7318         (get_string_length): Update after above changes to strinfo.
7319         (unshare_strinfo): Update call to new_strinfo.
7320         (maybe_invalidate): Likewise.
7321         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
7322         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
7323         as a uhwi instead of an shwi.  Update after above changes to
7324         strinfo and new_strinfo.
7325         (zero_length_string): Assert that chainsi contains full strings.
7326         Use zero_length_string_p.  Update call to new_strinfo.
7327         (adjust_related_strinfos): Update after above changes to strinfo.
7328         Copy full_string_p from origsi.
7329         (adjust_last_stmt): Use zero_length_string_p.
7330         (handle_builtin_strlen): Update after above changes to strinfo and
7331         new_strinfo.  Install the lhs as the string length if the previous
7332         entry didn't describe a full string.
7333         (handle_builtin_strchr): Update after above changes to strinfo
7334         and new_strinfo.
7335         (handle_builtin_strcpy): Likewise.
7336         (handle_builtin_strcat): Likewise.
7337         (handle_builtin_malloc): Likewise.
7338         (handle_pointer_plus): Likewise.
7339         (handle_builtin_memcpy): Likewise.  Track nonzero characters
7340         that aren't necessarily followed by a nul terminator.
7341         (handle_char_store): Likewise.
7342
7343 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
7344
7345         PR tree-optimization/80769
7346         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
7347         for malloc and calloc.  Document the new invariant that all related
7348         strinfos have delayed lengths or none do.
7349         (verify_related_strinfos): Move earlier in file.
7350         (set_endptr_and_length): New function, split out from...
7351         (get_string_length): ...here.  Also set the lengths of related
7352         strinfos.
7353         (zero_length_string): Assert that chainsi has known (rather than
7354         delayed) lengths.
7355         (adjust_related_strinfos): Likewise.
7356
7357 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
7358
7359         PR tree-optimization/81136
7360         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
7361         assert that two references with the same misalignment have the same
7362         compile-time misalignment if those compile-time misalignments
7363         are known.
7364
7365 2017-07-01  Andi Kleen  <ak@linux.intel.com>
7366
7367         * print-tree.c (print_node): Print all attributes.
7368
7369 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
7370
7371         * cfg.c (scale_bbs_frequencies): New function.
7372         * cfg.h (scale_bbs_frequencies): Declare it.
7373         * cfgloopanal.c (single_likely_exit): Cleanup.
7374         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
7375         as parameter.
7376         (scale_loop_profile): Likewise.
7377         (loop_version): Likewise.
7378         (create_empty_loop_on_edge): Update.
7379         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
7380         scale_loop_frequencies, scale_loop_profile, loopify,
7381         loop_version): Update prototypes.
7382         * modulo-sched.c (sms_schedule): Update.
7383         * predict.c (unlikely_executed_edge_p): Also check probability.
7384         (probably_never_executed_edge_p): Fix typo.
7385         * tree-if-conv.c (version_loop_for_if_conversion): Update.
7386         * tree-parloops.c (gen_parallel_loop): Update.
7387         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
7388         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
7389         * tree-ssa-loop-split.c (split_loop): Update.
7390         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
7391         * tree-vect-loop-manip.c (vect_do_peeling): Update.
7392         (vect_loop_versioning): Update.
7393         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
7394
7395 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
7396
7397         * trans-mem.c (split_bb_make_tm_edge): Update profile.
7398
7399 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
7400
7401         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
7402         to keep profile consistent.
7403
7404 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
7405
7406         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
7407         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
7408         * profile-count.h (max_safe_multiplier): Make unsigned.
7409         (profile_count::guessed_zero): New.
7410
7411 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
7412
7413         * bb-reorder.c (fix_up_crossing_landing_pad,
7414         fix_crossing_conditional_branches): Use make_single_succ_edge
7415         to keep profile consistent.
7416
7417 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
7418
7419         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
7420         to update profile.
7421
7422 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
7423
7424         PR sanitizer/81262
7425         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
7426         the right scopes, make sure cond_jump isn't preserved between multiple
7427         iterations.  Search for fallthru edge whenever there are 3+ edges and
7428         use find_fallthru_edge for it.
7429
7430 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
7431
7432         Patch by Alexander Monakov <amonakov@ispras.ru>
7433         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
7434         probabilities consistently.
7435
7436 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
7437
7438         * pa.c (pa_expand_compare_and_swap_loop): Update call of
7439         emit_cmp_and_jump_insns.
7440
7441 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
7442
7443         PR ipa/81261
7444         * tree-inline.c (expand_call_inline): Combine profile statuses.
7445
7446 2017-06-30  Andrew Pinski  <apinski@cavium.com>
7447
7448         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
7449         fold_stmt returned true.
7450
7451 2017-06-30  Nathan Sidwell  <nathan@acm.org>
7452
7453         * ggc.h (empty_string): Delete.
7454         * cfgexpand.c (expand_asm_stmt): Use plain "".
7455         * optabs.c (expand_asm_memory_barrier): Likewise.
7456         * stringpool.c (empty_string): Delete.
7457         (digit_vector, digit_string): Delete.
7458         (ggc_alloc_string): Use plain "", don't optimize single digit
7459         strings.  Use ggc_alloc_atomic.
7460
7461 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
7462
7463         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
7464         comparison set and one other set, use the cost of the non-comparison
7465         set.
7466
7467 2017-06-30  Nathan Sidwell  <nathan@acm.org>
7468
7469         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
7470         some formatting.
7471
7472 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
7473
7474         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
7475         loops.  Remove now unneeded calls to gimple_switch_set_label() that
7476         just set removed labels to NULL_TREE.
7477
7478 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
7479
7480         * tree-ssanames.c (set_range_info_raw): Abstract from ...
7481         (set_range_info): ...here.  Only call set_range_info_raw if domain
7482         is useful.
7483         (set_nonzero_bits): Call set_range_info_raw.
7484         * tree-ssanames.h (set_range_info_raw): New.
7485
7486 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
7487
7488         PR target/81225
7489         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
7490         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
7491         of nonimmediate_operand and <store_mask_constraint> instead of m
7492         for the input operand.  For V8FI iterator, always split if input
7493         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
7494         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
7495         <store_mask_predicate> instead of register_operand and
7496         <store_mask_constraint> instead of v for the input operand.  Make
7497         sure both operands aren't MEMs for if not <mask_applied>.
7498
7499 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
7500
7501         * lto-wrapper.c (copy_file) Close both file descriptors before
7502         exiting normally.
7503
7504 2017-06-30  Martin Liska  <mliska@suse.cz>
7505
7506         PR ipa/81214
7507         * multiple_target.c (create_dispatcher_calls): Make ifunc
7508         also for function that don't have calls or are not referenced.
7509
7510 2017-06-30  Richard Biener  <rguenther@suse.de>
7511
7512         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
7513         analyze the first scalar stmt.  Move vector type computation
7514         for the BB case here from ...
7515         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
7516         live operation processing in the SLP case properly.
7517
7518 2017-06-30  Richard Biener  <rguenther@suse.de>
7519
7520         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
7521
7522 2017-06-30  Martin Liska  <mliska@suse.cz>
7523
7524         PR sanitizer/81021
7525         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
7526         before BUILT_IN_UNWIND_RESUME when ASAN is used.
7527
7528 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
7529
7530         * doc/invoke.texi (AArch64): Add missing options and remove redundant
7531         ones.
7532
7533 2017-06-30  Richard Biener  <rguenther@suse.de>
7534
7535         PR tree-optimization/81249
7536         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
7537         condition reduction result to original scalar type.
7538
7539 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7540
7541         * profile-count.h (enum profile_quality): Fix typos and whitespace
7542         issues.
7543
7544 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7545
7546         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
7547         type for branch probabilities.
7548
7549 2017-06-29  Julian Brown  <julian@codesourcery.com>
7550             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
7551
7552         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
7553         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
7554         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
7555         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
7556
7557 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
7558
7559         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
7560         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
7561         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
7562         CC usage from generic code to here.
7563         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
7564         CC usage into the target macros.
7565
7566 2017-06-29  Maya Rashish  <coypu@sdf.org>
7567
7568         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
7569         objects.
7570
7571 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
7572
7573         * arm/arm-builtins.c: Include profile-count.h
7574         * except.c (sjlj_emit_function_enter): Use
7575         profile_probability::unlikely.
7576
7577 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
7578
7579         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
7580         and tocrel_offset be pointer args rather than implicitly using
7581         static versions.
7582         (legitimate_constant_pool_address_p, rs6000_emit_move,
7583         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
7584         tocrel_offset and use in toc_relative_expr_p call.
7585         (print_operand, print_operand_address): Use static tocrel_base_oac
7586         and tocrel_offset_oac.
7587         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
7588         tocrel_offset_oac.
7589
7590 2017-06-29  Maya Rashish  <coypu@sdf.org>
7591
7592         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
7593
7594 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
7595
7596         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
7597         objects, take into account only the alignment of 'op0' and 'mode1' if
7598         'op0' is a MEM.
7599
7600 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
7601
7602         * ccmp.c (ccmp_tree_comparison_p): New function.
7603         (ccmp_candidate_p): Update to use above function.
7604         (get_compare_parts): New function.
7605         (expand_ccmp_next): Update to use new functions.
7606         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
7607         new functions.
7608         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
7609         take mode as argument.
7610         * ccmp.h (expand_ccmp_expr): Add mode as argument.
7611         * expr.c (expand_expr_real_1): Pass mode as argument.
7612
7613 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
7614
7615         * combine.c (combine_instructions): Print insns to dump_file, together
7616         with their costs.
7617
7618 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
7619
7620         * asan.c (asan_emit_stack_protection): Update.
7621         (create_cond_insert_point): Update.
7622         * auto-profile.c (afdo_propagate_circuit): Update.
7623         * basic-block.h (struct edge_def): Turn probability to
7624         profile_probability.
7625         (EDGE_FREQUENCY): Update.
7626         * bb-reorder.c (find_traces_1_round): Update.
7627         (better_edge_p): Update.
7628         (sanitize_hot_paths): Update.
7629         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
7630         (make_single_succ_edge): Update.
7631         (check_bb_profile): Update.
7632         (dump_edge_info): Update.
7633         (update_bb_profile_for_threading): Update.
7634         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
7635         probabilitycount to 0.
7636         * cfgbuild.c (compute_outgoing_frequencies): Update.
7637         * cfgcleanup.c (try_forward_edges): Update.
7638         (outgoing_edges_match): Update.
7639         (try_crossjump_to_edge): Update.
7640         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
7641         (expand_gimple_tailcall): Update.
7642         (construct_init_block): Use make_single_succ_edge.
7643         (construct_exit_block): Use make_single_succ_edge.
7644         * cfghooks.c (verify_flow_info): Update.
7645         (redirect_edge_succ_nodup): Update.
7646         (split_edge): Update.
7647         (account_profile_record): Update.
7648         * cfgloopanal.c (single_likely_exit): Update.
7649         * cfgloopmanip.c (scale_loop_profile): Update.
7650         (set_zero_probability): Remove.
7651         (duplicate_loop_to_header_edge): Update.
7652         * cfgloopmanip.h (loop_version): Update prototype.
7653         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
7654         (force_nonfallthru_and_redirect): Update.
7655         (update_br_prob_note): Update.
7656         (rtl_verify_edges): Update.
7657         (purge_dead_edges): Update.
7658         (rtl_lv_add_condition_to_bb): Update.
7659         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
7660         * cgraphunit.c (init_lowered_empty_function): Update.
7661         (cgraph_node::expand_thunk): Update.
7662         * cilk-common.c: Include profile-count.h
7663         * dojump.c (inv): Remove.
7664         (jumpifnot): Update.
7665         (jumpifnot_1): Update.
7666         (do_jump_1): Update.
7667         (do_jump): Update.
7668         (do_jump_by_parts_greater_rtx): Update.
7669         (do_compare_rtx_and_jump): Update.
7670         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
7671         do_jump_1. do_compare_rtx_and_jump): Update prototype.
7672         * dwarf2cfi.c: Include profile-count.h
7673         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
7674         (sjlj_emit_dispatch_table): Likewise.
7675         * explow.c: Include profile-count.h
7676         * expmed.c (emit_store_flag_force): Update.
7677         (do_cmp_and_jump): Update.
7678         * expr.c (compare_by_pieces_d::generate): Update.
7679         (compare_by_pieces_d::finish_mode): Update.
7680         (emit_block_move_via_loop): Update.
7681         (store_expr_with_bounds): Update.
7682         (store_constructor): Update.
7683         (expand_expr_real_2): Update.
7684         (expand_expr_real_1): Update.
7685         * expr.h (try_casesi, try_tablejump): Update prototypes.
7686         * gimple-pretty-print.c (dump_probability): Update.
7687         (dump_profile): New.
7688         (dump_gimple_label): Update.
7689         (dump_gimple_bb_header): Update.
7690         * graph.c (draw_cfg_node_succ_edges): Update.
7691         * hsa-gen.c (convert_switch_statements): Update.
7692         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
7693         (find_if_case_1): Update.
7694         (find_if_case_2): Update.
7695         * internal-fn.c (expand_arith_overflow_result_store): Update.
7696         (expand_addsub_overflow): Update.
7697         (expand_neg_overflow): Update.
7698         (expand_mul_overflow): Update.
7699         (expand_vector_ubsan_overflow): Update.
7700         * ipa-cp.c (good_cloning_opportunity_p): Update.
7701         * ipa-split.c (split_function): Use make_single_succ_edge.
7702         * ipa-utils.c (ipa_merge_profiles): Update.
7703         * loop-doloop.c (add_test): Update.
7704         (doloop_modify): Update.
7705         * loop-unroll.c (compare_and_jump_seq): Update.
7706         (unroll_loop_runtime_iterations): Update.
7707         * lra-constraints.c (lra_inheritance): Update.
7708         * lto-streamer-in.c (input_cfg): Update.
7709         * lto-streamer-out.c (output_cfg): Update.
7710         * mcf.c (adjust_cfg_counts): Update.
7711         * modulo-sched.c (sms_schedule): Update.
7712         * omp-expand.c (expand_omp_for_init_counts): Update.
7713         (extract_omp_for_update_vars): Update.
7714         (expand_omp_ordered_sink): Update.
7715         (expand_omp_for_ordered_loops): Update.
7716         (expand_omp_for_generic): Update.
7717         (expand_omp_for_static_nochunk): Update.
7718         (expand_omp_for_static_chunk): Update.
7719         (expand_cilk_for): Update.
7720         (expand_omp_simd): Update.
7721         (expand_omp_taskloop_for_outer): Update.
7722         (expand_omp_taskloop_for_inner): Update.
7723         * omp-simd-clone.c (simd_clone_adjust): Update.
7724         * optabs.c (expand_doubleword_shift): Update.
7725         (expand_abs): Update.
7726         (emit_cmp_and_jump_insn_1): Update.
7727         (expand_compare_and_swap_loop): Update.
7728         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
7729         * predict.c (predictable_edge_p): Update.
7730         (edge_probability_reliable_p): Update.
7731         (set_even_probabilities): Update.
7732         (combine_predictions_for_insn): Update.
7733         (combine_predictions_for_bb): Update.
7734         (propagate_freq): Update.
7735         (estimate_bb_frequencies): Update.
7736         (force_edge_cold): Update.
7737         * profile-count.c (profile_count::dump): Add missing space into dump.
7738         (profile_count::debug): Add newline.
7739         (profile_count::differs_from_p): Explicitly convert to unsigned.
7740         (profile_count::stream_in): Update.
7741         (profile_probability::dump): New member function.
7742         (profile_probability::debug): New member function.
7743         (profile_probability::differs_from_p): New member function.
7744         (profile_probability::differs_lot_from_p): New member function.
7745         (profile_probability::stream_in): New member function.
7746         (profile_probability::stream_out): New member function.
7747         * profile-count.h (profile_count_quality): Rename to ...
7748         (profile_quality): ... this one.
7749         (profile_probability): New.
7750         (profile_count): Update.
7751         * profile.c (compute_branch_probabilities): Update.
7752         * recog.c (peep2_attempt): Update.
7753         * sched-ebb.c (schedule_ebbs): Update.
7754         * sched-rgn.c (find_single_block_region): Update.
7755         (compute_dom_prob_ps): Update.
7756         (schedule_region): Update.
7757         * sel-sched-ir.c (compute_succs_info): Update.
7758         * stmt.c (struct case_node): Update.
7759         (do_jump_if_equal): Update.
7760         (get_outgoing_edge_probs): Update.
7761         (conditional_probability): Update.
7762         (emit_case_dispatch_table): Update.
7763         (expand_case): Update.
7764         (expand_sjlj_dispatch_table): Update.
7765         (emit_case_nodes): Update.
7766         * targhooks.c: Update.
7767         * tracer.c (better_p): Update.
7768         (find_best_successor): Update.
7769         * trans-mem.c (expand_transaction): Update.
7770         * tree-call-cdce.c: Update.
7771         * tree-cfg.c (gimple_split_edge): Upate.
7772         (move_sese_region_to_fn): Upate.
7773         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
7774         * tree-eh.c (lower_resx): Upate.
7775         (cleanup_empty_eh_move_lp): Upate.
7776         * tree-if-conv.c (version_loop_for_if_conversion): Update.
7777         * tree-inline.c (copy_edges_for_bb): Update.
7778         (copy_cfg_body): Update.
7779         * tree-parloops.c (gen_parallel_loop): Update.
7780         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
7781         (gimple_gen_time_profiler): Update.
7782         * tree-ssa-dce.c (remove_dead_stmt): Update.
7783         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
7784         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
7785         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
7786         (unloop_loops): Update.
7787         (try_peel_loop): Update.
7788         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
7789         * tree-ssa-loop-split.c (connect_loops): Update.
7790         (split_loop): Update.
7791         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
7792         (hoist_guard): Update.
7793         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
7794         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
7795         (value_replacement): Update.
7796         * tree-ssa-reassoc.c (branch_fixup): Update.
7797         * tree-ssa-tail-merge.c (replace_block_by): Update.
7798         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
7799         (create_edge_and_update_destination_phis): Update.
7800         (compute_path_counts): Update.
7801         (recompute_probabilities): Update.
7802         (update_joiner_offpath_counts): Update.
7803         (freqs_to_counts_path): Update.
7804         (duplicate_thread_path): Update.
7805         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
7806         (struct switch_conv_info): Update.
7807         (gen_inbound_check): Update.
7808         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
7809         (vect_do_peeling): Update.
7810         (vect_loop_versioning): Update.
7811         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
7812         (optimize_mask_stores): Update.
7813         * ubsan.c (ubsan_expand_null_ifn): Update.
7814         * value-prof.c (gimple_divmod_fixed_value): Update.
7815         (gimple_divmod_fixed_value_transform): Update.
7816         (gimple_mod_pow2): Update.
7817         (gimple_mod_pow2_value_transform): Update.
7818         (gimple_mod_subtract): Update.
7819         (gimple_mod_subtract_transform): Update.
7820         (gimple_ic): Update.
7821         (gimple_stringop_fixed_value): Update.
7822         (gimple_stringops_transform): Update.
7823         * value-prof.h: Update.
7824
7825 2017-06-29  Carl Love  <cel@us.ibm.com>
7826
7827         * config/rs6000/rs6000-c.c: Add support for built-in functions
7828         vector signed int vec_signed (vector float);
7829         vector signed long long vec_signed (vector double);
7830         vector signed int vec_signed2 (vector double, vector double);
7831         vector signed int vec_signede (vector double);
7832         vector signed int vec_signedo (vector double);
7833         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
7834         instruction generator.
7835         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
7836         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
7837         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
7838         Add define_insn.
7839         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
7840         vunsignede_v2df): Add define_expands.
7841         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
7842         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
7843         VEC_UNSIGNEDO): Add definitions.
7844         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
7845         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
7846         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
7847         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
7848         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
7849         * config/rs6000/altivec.h (vec_signed, vec_signed2,
7850         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
7851         vec_unsignede, vec_unsignedo): Add builtin defines.
7852         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
7853         declaration.
7854         * doc/extend.texi: Update the built-in documentation file for the
7855         new built-in functions.
7856
7857 2017-06-29  Richard Biener  <rguenther@suse.de>
7858
7859         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
7860         reduction chains to LOOP_VINFO_REDUCTIONS.
7861         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
7862         SLP reductions after processing reduction chains.
7863
7864 2017-06-29  Nathan Sidwell  <nathan@acm.org>
7865
7866         * builtins.c (fold_builtin_FUNCTION): Use
7867         lang_hooks.decl_printable_name.
7868
7869 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
7870
7871         PR middle-end/81194
7872         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
7873         with only one label.
7874         * stmt.c (expand_case): Assert NCASES is greater than one.
7875
7876 2017-06-29  Richard Biener  <rguenther@suse.de>
7877
7878         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
7879         anything.
7880         (group_case_labels): Likewise.
7881         (find_taken_edge): Push sanity checking on val to workers...
7882         (find_taken_edge_cond_expr): ... here
7883         (find_taken_edge_switch_expr): ... and here, handle cases
7884         with just a default label.
7885         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
7886         (group_case_labels): Likewise.
7887         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
7888         group_case_labels does anything cleanup the CFG again.
7889
7890 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
7891
7892         PR tree-optimization/81196
7893         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
7894         exit condition comparing two IVs.
7895
7896 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
7897
7898         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
7899         profile to the dummy entry at the end of the list of architectures.
7900         * config/arm/arm-cpu-cdata.h: Regenerated.
7901
7902 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7903             Michael Collison <michael.collison@arm.com>
7904
7905         PR target/70119
7906         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
7907         New pattern.
7908         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
7909         (*aarch64_reg_<mode>3_minus_mask): New pattern.
7910         (*aarch64_<optab>_reg_di3_mask2): New pattern.
7911         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
7912         of shift when the shift amount is masked with constant equal to
7913         the size of the mode.
7914         * config/aarch64/predicates.md (subreg_lowpart_operator): New
7915         predicate.
7916
7917 2017-06-29  Martin Liska  <mliska@suse.cz>
7918
7919         * config/i386/i386.opt: Change range from [1,5] to [0,5].
7920
7921 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
7922
7923         PR bootstrap/80565
7924         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
7925         code.
7926         * ipa-inline.h
7927         (edge_growth_cache_entry::edge_growth_cache_entry): New
7928         function.
7929         (reset_edge_growth_cache): Update to use constructor.
7930
7931 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7932
7933         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
7934         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
7935         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
7936
7937 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
7938
7939         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
7940         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
7941
7942 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
7943
7944         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
7945         (*-linux-uclibc*): Add t-uclibc tmake_file.
7946         * config/t-musl: New.
7947         * config/t-uclibc: New.
7948
7949 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
7950
7951         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
7952         context.
7953         (gen_comm_data): Emit architectural setting of arch_prof.
7954         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
7955         profile.
7956         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
7957         (armv8-m.base, armv8-m.main): Likewise.
7958         * arm-protos.h (arm_build_target): Add profile field.
7959         (arch_option): Likewise.
7960         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
7961         the active target.
7962         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
7963         arm_active_target.profile.
7964
7965 2017-06-28  Richard Biener  <rguenther@suse.de>
7966
7967         PR middle-end/81227
7968         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
7969         TYPE_OVERFLOW_WRAPS.
7970         * match.pd (negate_expr_p): Likewise.
7971         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
7972         fold_build2, not fold_binary.
7973
7974 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
7975
7976         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
7977         Convert memory address to Pmode.
7978         (aarch64_print_operand): Assert MEM operands are always Pmode.
7979
7980 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
7981
7982         PR target/79665
7983         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
7984         Remove redundant if.
7985         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
7986         * config/arm/aarch-common-protos.h
7987         (aarch_forward_to_shift_is_not_shifted_re): Remove.
7988         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
7989
7990 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
7991
7992         PR ipa/81238
7993         * multiple_target.c (create_dispatcher_calls): Set the default
7994         clone to be static, not public.
7995
7996 2017-06-28  Richard Biener  <rguenther@suse.de>
7997
7998         * tree-vect-loop.c (vectorizable_reduction): Move special
7999         cond reduction IV var creation ...
8000         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
8001         parameter.  Use STMT_VINFO_VECTYPE.
8002         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
8003         constant_p.
8004
8005 2017-06-28  Martin Liska  <mliska@suse.cz>
8006
8007         PR ipa/81128
8008         * ipa-visibility.c (non_local_p): Handle visibility.
8009
8010 2017-06-28  Martin Liska  <mliska@suse.cz>
8011
8012         PR driver/79659
8013         * common.opt: Add IntegerRange to various options.
8014         * opt-functions.awk (integer_range_info): New function.
8015         * optc-gen.awk: Add integer_range_info to cl_options struct.
8016         * opts-common.c (decode_cmdline_option): Handle
8017         CL_ERR_INT_RANGE_ARG.
8018         (cmdline_handle_error): Likewise.
8019         * opts.c (print_filtered_help): Show valid interval in
8020         when --help is provided.
8021         * opts.h (struct cl_option): Add range_min and range_max fields.
8022         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
8023
8024 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
8025
8026         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
8027         (x * C EQ/NE y * C): New transformation.
8028
8029 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
8030
8031         * genmultilib (combination_space): Accept '+' in option names.
8032
8033 2017-06-28  Martin Liska  <mliska@suse.cz>
8034
8035         PR sanitizer/81224
8036         * asan.c (instrument_derefs): Bail out inner references
8037         that are hard register variables.
8038
8039 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
8040
8041         PR target/81175
8042         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
8043         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
8044
8045 2017-06-28  Richard Biener  <rguenther@suse.de>
8046
8047         * tree-vectorizer.h (vect_get_vec_defs): Remove.
8048         (vect_get_slp_defs): Adjust.
8049         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
8050         out from ...
8051         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
8052         simplify.
8053         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
8054         get_initial_defs_for_reduction instead of vect_get_vec_defs.
8055         (vectorizable_reduction): Adjust.
8056         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
8057         handling.
8058         (vect_get_slp_defs): Likewise.
8059         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
8060         (vectorizable_bswap): Adjust.
8061         (vectorizable_call): Likewise.
8062         (vectorizable_conversion): Likewise.
8063         (vectorizable_assignment): Likewise.
8064         (vectorizable_shift): Likewise.
8065         (vectorizable_operation): Likewise.
8066         (vectorizable_store): Likewise.
8067         (vectorizable_condition): Likewise.
8068         (vectorizable_comparison): Likewise.
8069
8070 2017-06-28  Michael Collison  <michael.collison@arm.com>
8071
8072         PR target/68535
8073         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
8074         set of base_reg
8075         (arm_gen_movmemqi): Removed unused variable 'i'.
8076         Convert 'for' loop into 'while' loop.
8077         (arm_expand_prologue): Remove last unnecessary set of insn.
8078         (thumb_pop): Remove unused variable 'pushed_words'.
8079         (thumb_exit): Remove last unnecessary set of regs_to_pop.
8080
8081 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8082
8083         * config/s390/predicates.md: Use s390_rel_address_ok_p.
8084         * config/s390/s390-protos.h: Add prototype of
8085         s390_rel_address_ok_p.
8086         * config/s390/s390.c (s390_got_symbol): New function.
8087         (s390_rel_address_ok_p): New function.
8088         (legitimize_pic_address): Use s390_rel_address_ok_p.
8089         (s390_load_got): Use s390_got_symbol.
8090         (s390_option_override): Issue error if
8091         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
8092         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
8093         New macro.
8094         * config/s390/s390.opt: New option mpic-data-is-text-relative.
8095
8096 2017-06-27  Andrew Pinski  <apinski@cavium.com>
8097
8098         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
8099         (X * copysign (1.0, X)): New pattern.
8100         (X * copysign (1.0, -X)): New pattern.
8101         (copysign (-1.0, CST)): New pattern.
8102
8103 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
8104
8105         * genmultilib (combination_space): Remove variable.
8106         Validate reuse rules against regular expression for any sequence
8107         of multilib options in any order.
8108
8109 2017-06-27  Michael Collison  <michael.collison@arm.com>
8110
8111         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
8112         call aarch64_split_simd_combine.
8113         * (aarch64_combine_internal<mode>): Delete pattern.
8114         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
8115         Allow register and subreg operands.
8116
8117 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
8118
8119         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
8120         specific need, just fallback on defaults.
8121         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
8122
8123 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
8124             Olivier Hainque  <hainque@adacore.com>
8125
8126         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
8127         map for 64bits.
8128         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
8129         targets. Pick a default if no particular attempt applied.
8130         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
8131         larger contexts.
8132
8133 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
8134
8135         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
8136         (x86_64-wrs-vxworks7): Likewise.
8137
8138 2017-06-27  Marek Polacek  <polacek@redhat.com>
8139
8140         PR sanitizer/81223
8141         * ubsan.c (instrument_null): Check get_base_address's result for null.
8142
8143 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
8144
8145         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
8146
8147 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
8148
8149         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
8150         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
8151         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
8152         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
8153         New function types.
8154         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
8155         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
8156         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
8157         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
8158         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
8159         BUILT_IN_FEUPDATEENV): New builtins.
8160         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
8161         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
8162         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
8163         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
8164         macros.
8165         (builtin_structptr_types): Adjust size.
8166         * tree.c (builtin_structptr_types): Add four entries.
8167
8168 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
8169             Olivier Hainque  <hainque@adacore.com>
8170
8171         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
8172         (TLS_SYM): New local macro, forcing reference to __tls__ on
8173         link command lines for VxWorks 7 RTPs, triggering initialization
8174         of tlsLib.
8175         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
8176         OS features TLS support, true for RTPs on VxWorks 7.
8177         * config/vxworks.c (vxworks_override_options): Setup emutls
8178         accordingly.
8179
8180 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
8181
8182         * predict.c (test_prediction_value_range): Use -1U instead of -1
8183         to avoid narrowing conversion warning.
8184         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
8185         to avoid narrowing conversion warning.
8186         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
8187         -1.
8188         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
8189
8190 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
8191
8192         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
8193         64bit configurations.
8194         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
8195         (SIZE_TYPE): Likewise.
8196         * config/vxworks.c (vxworks_emutls_var_fields): Use
8197         long_unsigned_type_node instead of unsigned_type_node as the offset
8198         field type, which is "pointer" mode in emutls.c.
8199
8200 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
8201
8202         PR sanitizer/81209
8203         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
8204
8205         PR middle-end/81207
8206         * gimple-fold.c (replace_call_with_call_and_fold): Handle
8207         gimple_vuse copying separately from gimple_vdef copying.
8208
8209 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8210
8211         * value-prof.c (free_hist): Remove call to memset and the enclosing if
8212         condition.
8213
8214 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
8215             Olivier Hainque  <hainque@adacore.com>
8216
8217         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
8218         for all vxworks7 targets.
8219         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
8220         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
8221         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
8222         variations for VX6/VX7 and 32/64bits later on in ...
8223         (VXWORKS_LIB_SPEC): Leverage new macros.
8224         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
8225         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
8226
8227 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
8228
8229         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
8230         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
8231
8232 2017-06-26  Carl Love  <cel@us.ibm.com>
8233
8234         * config/rs6000/rs6000-c.c: Add support for built-in functions
8235         vector bool char vec_reve (vector bool char);
8236         vector signed char vec_reve (vector signed char);
8237         vector unsigned char vec_reve (vector unsigned char);
8238         vector bool int vec_reve (vector bool int);
8239         vector signed int vec_reve (vector signed int);
8240         vector unsigned int vec_reve (vector unsigned int);
8241         vector bool long long vec_reve (vector bool long long);
8242         vector signed long long vec_reve (vector signed long long);
8243         vector unsigned long long vec_reve (vector unsigned long long);
8244         vector bool short vec_reve (vector bool short);
8245         vector signed short vec_reve (vector signed short);
8246         vector double vec_reve (vector double);
8247         vector float vec_reve (vector float);
8248         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
8249         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
8250         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
8251         (altivec_vreve): New pattern.
8252         * config/rs6000/altivec.h (vec_reve): New define.
8253         * doc/extend.texi (vec_rev): Update the built-in documentation file
8254         for the new built-in functions.
8255
8256 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8257
8258         PR tree-optimization/71815
8259         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
8260         function.
8261         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
8262         has_single_use.
8263         (slsr_process_phi): Likewise.
8264         (replace_uncond_cands_and_profitable_phis): Don't replace a
8265         multiply candidate with a stride of 1 (copy or cast).
8266         (phi_incr_cost): Call uses_consumed_by_stmt rather than
8267         has_single_use.
8268         (lowest_cost_path): Likewise.
8269         (total_savings): Likewise.
8270
8271 2017-06-26  Richard Biener  <rguenther@suse.de>
8272
8273         PR target/81175
8274         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
8275         Use def_builtin_pure for all gather builtins.
8276
8277 2017-06-26  Richard Biener  <rguenther@suse.de>
8278
8279         PR tree-optimization/81203
8280         * tree-tailcall.c (find_tail_calls): Do not move stmts into
8281         non-dominating BBs.
8282
8283 2017-06-26  Marek Polacek  <polacek@redhat.com>
8284
8285         PR c/80116
8286         * doc/invoke.texi: Document -Wmultistatement-macros.
8287
8288 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
8289
8290         * doc/sourcebuild.texi (ARM-specific attributes): Document new
8291         arm_neon_ok_no_float_abi effective target.
8292
8293 2017-06-26  Richard Biener  <rguenther@suse.de>
8294
8295         PR tree-optimization/80928
8296         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
8297         (copy_bbs): Set BB_DUPLICATED flag early.
8298         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
8299         marked blocks.
8300         (execute_on_shrinking_pred): Likewise.
8301         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
8302         BB_DUPLICATED blocks.
8303         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
8304         iterate over all PHIs considering removal of *gsi.
8305
8306 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
8307
8308         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
8309         qdf24xx.
8310
8311 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
8312
8313         * config/rs6000/rs6000-string.c: (expand_block_clear,
8314         do_load_for_compare, select_block_compare_mode,
8315         compute_current_alignment, expand_block_compare,
8316         expand_strncmp_align_check, expand_strn_compare,
8317         expand_block_move, rs6000_output_load_multiple)
8318         Move functions related to string/block move/compare
8319         to a separate file.
8320         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
8321         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
8322         for this function which is now used in two files.
8323         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
8324         * config.gcc: Add rs6000-string.o to extra_objs for
8325         targets powerpc*-*-* and rs6000*-*-*.
8326
8327 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
8328
8329         PR target/80510
8330         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
8331         32-bit, since indexed is not valid for DImode.
8332         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
8333         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
8334         (define_peephole2 for Altivec d-form load): Add 32-bit support.
8335         (define_peephole2 for Altivec d-form store): Likewise.
8336
8337         PR ipa/81185
8338         * multiple_target.c (create_dispatcher_calls): Only create the
8339         dispatcher call if the function is the default clone of a
8340         versioned function.
8341
8342 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
8343
8344         PR middle-end/80902
8345         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
8346         a call, force the call to not be a tail call.
8347
8348 2017-06-23  Jeff Law  <law@redhat.com>
8349
8350         * doc/contrib.texi: Add entry for Steven Pemberton's work on
8351         enquire.
8352
8353 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
8354
8355         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
8356         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
8357         handling for early expansion of vector shifts (sl,sr,sra,rl).
8358         (builtin_function_type): Add vector shift right instructions
8359         to the unsigned argument list.
8360
8361 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8362
8363         rtl-optimizatoin/79286
8364         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
8365         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
8366         trap.  PIC register plus a const unspec without offset can never trap.
8367
8368 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
8369
8370         * tree.h (builtin_structptr_type): New type.
8371         (builtin_structptr_types): Declare new array.
8372         * tree.c (builtin_structptr_types): New array.
8373         (free_lang_data, build_common_tree_nodes): Use it.
8374
8375 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
8376
8377         PR c++/81187
8378         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
8379         -Wnoexcept.
8380
8381 2017-06-22  Matt Turner  <mattst88@gmail.com>
8382
8383         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
8384         Lake models to skylake case.  Assume skylake for unknown
8385         models with clflushopt.
8386
8387 2017-06-22  Jeff Law  <law@redhat.com>
8388
8389         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
8390         frame sizes that do not satisfy aarch64_uimm12_shift.
8391
8392 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
8393
8394         * profile-count.h (apply_probability,
8395         apply_scale, probability_in): Fix checks for zero.
8396
8397 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8398
8399         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
8400         * doc/cppdiropts.texi (-I @var{dir}): Document it.
8401
8402 2016-06-22  Richard Biener  <rguenther@suse.de>
8403
8404         * tree-vect-loop.c (vect_model_reduction_cost): Handle
8405         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
8406         REDUC_MAX_EXPR support.
8407         (vectorizable_reduction): Likewise.
8408         (vect_create_epilog_for_reduction): Likewise.
8409
8410 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
8411
8412         * match.pd (A / (1 << B) -> A >> B): New.
8413         * generic-match-head.c: Include optabs-tree.h.
8414         * gimple-match-head.c: Likewise.
8415         * optabs-tree.h (target_supports_op_p): New.
8416         * optabs-tree.c (target_supports_op_p): New.
8417
8418 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8419
8420         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
8421         $gcc_cv_ld --help output.
8422         (gcc_cv_ld_demangle): Likewise.
8423         (gcc_cv_ld_eh_frame_hdr): Likewise.
8424         (gcc_cv_ld_pie): Likewise.
8425         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
8426         (gcc_cv_ld_buildid): Likewise.
8427         (gcc_cv_ld_sysroot): Likewise.
8428         (ld_bndplt_support): Likewise.
8429         (ld_pushpopstate_support): Likewise.
8430         * configure: Regenerate.
8431         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
8432
8433 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
8434
8435         PR target/81151
8436         * config/i386/sse.md (round<mode>2): Renumber match_dup and
8437         operands indexes to avoid gap between operands and match_dups.
8438
8439 2017-06-21  Andrew Pinski  <apinski@cavium.com>
8440
8441         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
8442         Increment Arith_shift and Arith_shift_reg by 1.
8443         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
8444         New tuning flag.
8445         * config/aarch64/aarch64.c (thunderx_tunings): Enable
8446         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
8447         (aarch64_strip_extend): Add new argument and test for it.
8448         (aarch64_cheap_mult_shift_p): New function.
8449         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
8450         add a cost if it is true.
8451         Update calls to aarch64_strip_extend.
8452         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
8453
8454 2017-06-21  Andrew Pinski  <apinski@cavium.com>
8455
8456         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
8457         tunings.
8458         (thunderxt88): Likewise.
8459         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
8460         (thunderx_prefetch_tune): New variable.
8461         (thunderx2t99_prefetch_tune): Update for the correct values.
8462         (thunderxt88_tunings): New variable.
8463         (thunderx_tunings): Use thunderx_prefetch_tune instead of
8464         generic_prefetch_tune.
8465         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
8466
8467 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8468
8469         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
8470         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
8471         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
8472         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
8473         (aarch64_atomic_cas<mode>, GPI): Likewise.
8474
8475 2017-06-21  Martin Liska  <mliska@suse.cz>
8476
8477         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
8478         statements on cold and hot labels.
8479         * predict.c (tree_estimate_probability_bb): Remove the
8480         prediction from this place.
8481
8482 2017-06-21  Martin Liska  <mliska@suse.cz>
8483
8484         PR tree-optimization/79489
8485         * gimplify.c (maybe_add_early_return_predict_stmt): New
8486         function.
8487         (gimplify_return_expr): Call the function.
8488         * predict.c (tree_estimate_probability_bb): Remove handling
8489         of early return.
8490         * predict.def: Update comment about early return predictor.
8491         * gimple-predict.h (is_gimple_predict): New function.
8492         * predict.def: Change default value of early return to 66.
8493         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
8494         statements.
8495         * passes.def: Put pass_strip_predict_hints to the beginning of
8496         IPA passes.
8497
8498 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
8499
8500         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
8501         FUNCTION_DECL declarations.
8502         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
8503         declarations.
8504         (dwaf2out_decl): Likewise.
8505         * godump.c (go_early_global_decl): Skip call to the real debug hook
8506         for FUNCTION_DECL declarations.
8507         * passes.c (rest_of_decl_compilation): Skip call to the
8508         early_global_decl debug hook for FUNCTION_DECL declarations, unless
8509         -fdump-go-spec is passed.
8510
8511 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
8512
8513         * config/i386/i386.c (struct builtin_isa): New field pure_p.
8514         Reorder for compactness.
8515         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
8516         (def_builtin_pure, def_builtin_pure2): New functions.
8517         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
8518
8519 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
8520
8521         * match.pd (nop_convert): New predicate.
8522         ((A +- CST1) +- CST2): Allow some NOP conversions.
8523
8524 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
8525
8526         PR c++/81130
8527         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
8528         with ctors/dtors if GOVD_SHARED is set.
8529
8530 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
8531
8532         * config/aarch64/aarch64.md (movti_aarch64):
8533         Emit mov rather than orr.
8534         (movtf_aarch64): Likewise.
8535         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
8536         Emit mov rather than orr.
8537
8538 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
8539
8540         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
8541         Swap alternatives, make integer dup more expensive.
8542
8543 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
8544
8545         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
8546         Return true for non-tls symbols.
8547
8548 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
8549
8550         * config/aarch64/aarch64-cores.def (cortex-a55): New.
8551         (cortex-a75): Likewise.
8552         (cortex-a75.cortex-a55): Likewise.
8553         * config/aarch64/aarch64-tune.md: Regenerate.
8554         * doc/invoke.texi (-mtune): Document new values for -mtune.
8555
8556 2017-06-21  Tom de Vries  <tom@codesourcery.com>
8557
8558         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
8559         stack_size feature.
8560         (Effective-Target Keywords, Other attributes): Suggest using
8561         dg-add-options stack_size feature to get stack limit in stack_size
8562         effective target documentation.
8563
8564 2017-06-21  Julian Brown  <julian@codesourcery.com>
8565             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
8566
8567         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
8568         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
8569         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
8570         reservation.
8571         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
8572         attribute type list for neon_multiply.
8573         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
8574         attribute type list for neon_multiply.
8575         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
8576         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
8577         attribute type list for neon_multiply.
8578         * config/arm/types.md (crypto_pmull): Add.
8579         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
8580         attribute type list.
8581
8582 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
8583
8584         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
8585         arm1176jzf-s.
8586
8587 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
8588
8589         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
8590         to make sure not to dereference a NULL cost_classes_ptr pointer.
8591
8592 2017-06-20  Carl Love  <cel@us.ibm.com>
8593
8594         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8595         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
8596         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
8597         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
8598         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
8599         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
8600         VMULOSW): New enum "unspec" values.
8601         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
8602         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
8603         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
8604         altivec_vmulosw): New patterns.
8605         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
8606         VMULOSW): Add definitions.
8607
8608 2017-06-20  Julia Koval  <julia.koval@intel.com>
8609
8610         * config/i386/i386.c: Fix rounding expand for new pattern.
8611         * config/i386/subst.md: Fix pattern (parallel -> unspec).
8612
8613 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
8614
8615         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
8616         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
8617
8618 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
8619
8620         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
8621         feature string.
8622
8623 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
8624
8625         * config/aarch64/aarch64-cores.def: Rearrange to sort by
8626         architecture, then by implementer ID.
8627         * config/aarch64/aarch64-tune.md: Regenerate.
8628
8629 2017-06-20  Richard Biener  <rguenther@suse.de>
8630
8631         PR middle-end/81097
8632         * fold-const.c (split_tree): Fold to type before negating.
8633
8634 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
8635
8636         * diagnostic-show-locus.c
8637         (selftest::test_fixit_deletion_affecting_newline): New function.
8638         (selftest::diagnostic_show_locus_c_tests): Call it.
8639
8640 2017-06-20  Andreas Schwab  <schwab@suse.de>
8641
8642         PR target/80970
8643         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
8644         instead of "+d".
8645
8646 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
8647
8648         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
8649         __ARM_FEATURE_COPROC according to support.
8650
8651 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
8652
8653         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
8654         Rewritten to avoid overflow for > 32-bit pointers.
8655
8656         PR sanitizer/81125
8657         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
8658         by removing enum keyword.
8659         (ubsan_type_descriptor): Likewise.  Formatting fix.
8660
8661         PR target/81121
8662         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
8663         splitter): Require TARGET_SSE2 in the condition.
8664
8665 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
8666
8667         PR target/79799
8668         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
8669         for doing vector set of SFmode on ISA 3.0.
8670         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
8671         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
8672         element.
8673         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
8674         SFmode value into a V4SF variable that was extracted from another
8675         V4SF variable without converting the element to double precision
8676         and back to single precision vector format.
8677         (vsx_insert_extract_v4sf_p9_2): Likewise.
8678
8679 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
8680
8681         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
8682         in UWHI to avoid undefined overflow.
8683
8684         PR sanitizer/81125
8685         * ubsan.h (enum ubsan_encode_value_phase): New.
8686         (ubsan_encode_value): Change second argument to
8687         enum ubsan_encode_value_phase with default value of
8688         UBSAN_ENCODE_VALUE_GENERIC.
8689         * ubsan.c (ubsan_encode_value): Change second argument to
8690         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
8691         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
8692         create_tmp_var_raw instead of create_tmp_var and use a
8693         TARGET_EXPR.
8694         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
8695         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
8696         ubsan_encode_value callers.
8697
8698         PR sanitizer/81111
8699         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
8700         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
8701         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
8702
8703 2017-06-19  Richard Biener  <rguenther@suse.de>
8704
8705         PR middle-end/81118
8706         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
8707         estimates if we changed anything.
8708
8709 2017-06-19  Richard Biener  <rguenther@suse.de>
8710
8711         PR tree-optimization/80887
8712         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
8713         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
8714         simplified lookups, then reset mprts_hook.
8715         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
8716         simplifying.
8717         (try_to_simplify): Likewise.
8718
8719 2017-06-19  Martin Liska  <mliska@suse.cz>
8720
8721         PR sanitizer/80879
8722         * gimplify.c (gimplify_switch_expr):
8723         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
8724
8725 2017-06-19  Martin Liska  <mliska@suse.cz>
8726
8727         * doc/install.texi: Document that PGO runs in 4 stages.
8728
8729 2017-06-19  Martin Liska  <mliska@suse.cz>
8730
8731         PR ipa/80732
8732         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
8733         to dispatcher function name.
8734         * multiple_target.c (replace_function_decl): New function.
8735         (create_dispatcher_calls): Redirect both edges and references.
8736
8737 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
8738
8739         * profile-count.c (profile_count::dump): Dump quality.
8740         (profile_count::differs_from_p): Update for unsigned val.
8741         * profile-count.h (profile_count_quality): New enum.
8742         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
8743
8744 2017-06-19  Richard Biener  <rguenther@suse.de>
8745
8746         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
8747         struct function as arg.
8748         (estimate_numbers_of_iterations): Export overload with loop arg.
8749         (free_numbers_of_iterations_estimates_loop): Use an overload of
8750         free_numbers_of_iterations_estimates instead.
8751         * tree-cfg.c (remove_bb): Adjust.
8752         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
8753         * tree-parloops.c (gen_parallel_loop): Likewise.
8754         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8755         Likewise.
8756         (tree_unroll_loops_completely): Likewise.
8757         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
8758         Use an overload instead and export.
8759         (estimated_loop_iterations): Adjust.
8760         (max_loop_iterations): Likewise.
8761         (likely_max_loop_iterations): Likewise.
8762         (estimate_numbers_of_iterations): Take struct function as arg
8763         and adjust.
8764         (loop_exits_before_overflow): Adjust.
8765         (free_numbers_of_iterations_estimates_loop): Use an overload.
8766         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
8767         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
8768
8769 2017-06-19  Richard Biener  <rguenther@suse.de>
8770
8771         PR ipa/81112
8772         * ipa-prop.c (find_constructor_constant_at_offset): Handle
8773         RANGE_EXPR conservatively.
8774
8775 2017-06-16  Carl Love  <cel@us.ibm.com>
8776
8777         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8778         definitions for vec_float, vec_float2, vec_floato,
8779         vec_floate built-ins.
8780         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
8781         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
8782         floate.
8783         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
8784         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
8785         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
8786         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
8787         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
8788         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
8789         vec_floato): Add builtin defines.
8790         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
8791         Update the built-in documentation file for the new built-in
8792         functions.
8793
8794 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8795
8796         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
8797         (mthumb): Mark as the negative of -marm.
8798
8799 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8800
8801         * doc/invoke.texi (ARM Options, -mcpu): Document supported
8802         extension options.
8803         (ARM Options, -mtune): Document that this accepts the same
8804         extension options as -mcpu.
8805         (ARM Options, -mfpu): Document addition of -mfpu=auto.
8806
8807 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8808
8809         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
8810         permitted extensions.
8811
8812 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8813
8814         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
8815         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
8816         (armv8-m.main): Add option +nodsp.
8817         * config/arm/arm-cpu-cdata.h: Regenerated.
8818
8819 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8820
8821         * config/arm/t-fuchsia: New file.
8822         * config.gcc (arm*-*-fuchsia*): Use it.
8823
8824 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8825
8826         * config/arm/t-symbian: Rewrite for new option infrastructure.
8827
8828 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8829
8830         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
8831         (MULTILIB_REQUIRED): Likewise.
8832
8833 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8834
8835         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
8836         (MULTILIB_RESUE): Likewise.
8837         (MULTILIB_MATCHES): Likewise.
8838         (MULTLIB_REQUIRED): Likewise.
8839
8840 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8841
8842         * config/arm/t-rtems: Rewrite for new option framework.
8843
8844 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8845
8846         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
8847         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
8848         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
8849         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
8850         * config/arm/t-multilib: ... here.
8851         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
8852         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
8853         armv7-a and armv8*-a when A-profile libraries have not been built.
8854         * config/arm/t-rmprofile: Rewrite.
8855
8856 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8857
8858         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
8859         with a backslash.  Remove the backslash after substituting unescaped
8860         periods.
8861         * doc/fragments.texi (MULTILIB_REUSE): Document it.
8862
8863 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8864
8865         * config.gcc: (arm*-*-*): When building a-profile libraries, force
8866         the driver to pass through the default setting of -mfloat-abi.
8867         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
8868         rather than NULL.
8869         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
8870         (all_feat_combs): New rule.
8871         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
8872         default libraries.
8873         * config/arm/t-aprofile: Rewrite.
8874
8875 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8876
8877         * config/arm/arm.h (FPUTYPE_AUTO): Define.
8878         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
8879         fpu is not specified by the user/command-line.
8880         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
8881         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
8882         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
8883         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
8884         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
8885         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
8886
8887 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8888
8889         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
8890         * config/arm/t-arm-elf: Rewritten.
8891
8892 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8893
8894         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
8895         have some floating-point instructions.
8896         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
8897         (TARGET_MAYBE_HARD_FLOAT): New macro.
8898         * config/arm/arm-builtins.c (arm_init_builtins): Use
8899         TARGET_MAYBE_HARD_FLOAT.
8900         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
8901
8902 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8903
8904         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
8905         (configargs.h): Include it.
8906         (arm_print_hint_for_fpu_option): New function.
8907         (arm_parse_fpu_option): New function.
8908         (candidate_extension): New class.
8909         (arm_canon_for_multilib): New function.
8910         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
8911         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
8912         (ARCH_CANONICAL_SPECS): New macro.
8913         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
8914
8915 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8916
8917         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
8918         are set after handling multilib fragments.  Set target_cpu_default2
8919         from with_cpu.
8920
8921 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8922
8923         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
8924         cpu name.
8925         (arm*-*-*): Set target_cpu_default2 to a quoted string.
8926         * config/arm/parsecpu.awk (check_cpu): Validate any extension
8927         options.
8928         (check_arch): Likewise.
8929         * config/arm/arm.c (arm_configure_build_target): Handle
8930         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
8931         options in the default.
8932
8933 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8934
8935         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
8936         when an option is an alias of another.
8937         * config/arm/parsecpu.awk (optalias): New parser token.
8938         (gen_comm_data): Mark non-alias options as such.  Emit entries
8939         for extension aliases.
8940         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
8941         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
8942         (armv6kz, armv6zk, armv6t2): Likewise.
8943         (armv7): Make vfpv3-d16 an alias.
8944         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
8945         canonical order.
8946         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
8947         Sort in canonical order.
8948         (armv8-a): Sort in canonical order.
8949         (armv8.1-a, armv8.2-a):  Likewise.
8950         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
8951         canonical order.
8952         (cortex-a9): Sort in canonical order.
8953         * config/arm/arm.c (selftests.h): Include it.
8954         (arm_test_cpu_arch_data): New function.
8955         (arm_run_self_tests): New function.
8956         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
8957         (targetm): Move declaration to the end of the file.
8958         * arm-cpu-cdata.h: Regenerated.
8959
8960 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8961
8962         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
8963         call to target_mode_check describing the type of option passed.
8964         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
8965         (arm_target_thumb_only): Use arm_parse_arch_option_name or
8966         arm_parse_cpu_option_name to match parameters against list of
8967         available targets.
8968         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
8969         arm_arch_core_flags data structure.
8970         * config/arm/arm-cpu_cdata.h: Regenerated.
8971
8972 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8973
8974         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
8975         config/arm/arm.c.
8976         (arm_print_hint_for_cpu_option): Likewise.
8977         (arm_print_hint_for_arch_option): Likewise.
8978         (arm_parse_cpu_option_name): Likewise.
8979         (arm_parse_arch_option_name): Likewise.
8980         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
8981         of entries in the all_fpus list.
8982         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
8983         (arm_parse_cpu_option_name): Declare.
8984         (arm_parse_arch_option_name): Declare.
8985         (arm_parse_option_features): Declare.
8986         (arm_intialize_isa): Declare.
8987         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
8988         data tables to ...
8989         (gen_comm_data): ... here.  Make definitions non-static.
8990         * config/arm/arm-cpu-data.h: Regenerated.
8991         * config/arm/arm-cpu-cdata.h: Regenerated.
8992
8993 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
8994
8995         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
8996         (cpu_arch_extension): New structure.
8997         (cpu_arch_option, arch_option, cpu_option): New structures.
8998         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
8999         architecture types.
9000         (gen_data): Generate new format data tables.
9001         * config/arm/arm.c (cpu_tune): New structure.
9002         (cpu_option, processors): Delete.
9003         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
9004         (arm_print_hint_for_cpu_option): ... this and ...
9005         (arm_print_hint_for_arch_option): ... this.
9006         (arm_parse_arch_cpu_name): Delete.  Replace with ...
9007         (arm_parse_cpu_option_name): ... this and ...
9008         (arm_parse_arch_option_name): ... this.
9009         (arm_unrecognized_feature): Change type of target parameter to
9010         cpu_arch_option.
9011         (arm_parse_arch_cpu_features): Delete.  Replace with ...
9012         (arm_parse_option_features): ... this.
9013         (arm_configure_build_target): Rework to use new configuration data
9014         tables.
9015         (arm_print_tune_info): Rework for new configuration data tables.
9016         * config/arm/arm-cpu-data.h: Regenerated.
9017         * config/arm/arm-cpu.h: Regenerated.
9018
9019 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
9020
9021         * Makefile.in (OBJS): Move sbitmap.o from here ...
9022         (OBJS-libcommon): ... to here.
9023
9024 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
9025
9026         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
9027         (ISA_ALL_CRYPTO): New macro.
9028         (ISA_ALL_SIMD): New macro
9029         (ISA_ALL_FP): New macro.
9030         * config/arm/arm.c (fpu_bitlist): Update initializer.
9031         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
9032         simd or fp.
9033         (arm9e): Add fpu.  Add option for nofp
9034         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
9035         (arm926ej-s, arm1026ej-s): Likewise.
9036         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
9037         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
9038         neon-fp16, neon-vfpv4, nofp and nosimd.
9039         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
9040         (cortex-a8): Add fpu.  Add option for nofp.
9041         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
9042         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
9043         (cortex-r4f): Add fpu.
9044         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
9045         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
9046         for nofp.
9047         (cortex-r8): Likewise.
9048         (cortex-m4): Add fpu.  Add option for nofp.
9049         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
9050         (cortex-a17.cortex-a7): Likewise.
9051         (cortex-a32): Add fpu.  Add options for crypto and nofp.
9052         (cortex-a35, cortex-a53): Likewise.
9053         (cortex-a57): Add fpu.  Add option for crypto.
9054         (cortex-a72, cortex-a73): Likewise.
9055         (exynos-m1): Likewise.
9056         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
9057         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
9058         (cortex-m33): Add fpu.  Add option for nofp.
9059         * config/arm/arm-cpu-cdata.h: Regenerated
9060         * config/arm/arm-cpu-data.h: Regenerated.
9061
9062 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
9063
9064         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
9065         (armv5te, armv5tej): Likewise.
9066         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
9067         (armv7): Add options fp and vfpv3-d16.
9068         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
9069         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
9070         nofp and nosimd.
9071         (armv7ve): Likewise.
9072         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
9073         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
9074         (armv8-a): Add nocrypto option.
9075         (armv8.1-a, armv8.2-a): Likewise.
9076         (armv8-m.main): add options fp, fp.dp and nofp.
9077
9078 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
9079
9080         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
9081         nofp.
9082         (armv8-a+crc): Delete.
9083         (armv8.1-a): Add options simd, crypto and nofp.
9084         (armv8.2-a): Add options fp16, simd, crypto and nofp.
9085         (armv8.2-a+fp16): Delete.
9086         (armv8-m.main): Add option dsp.
9087         (armv8-m.main+dsp): Delete.
9088         (cortex-a8): Add fpu.  Add nofp option.
9089         (cortex-a9): Add fpu.  Add nofp and nosimd options.
9090         * config/arm/parsecpu.awk (gen_data): Generate option tables and
9091         link to main cpu and architecture data structures.
9092         (gen_comm_data): Only put isa attributes from the main architecture
9093         in common tables.
9094         (option): New statement for architecture and CPU entries.
9095         * arm.c (struct cpu_option): New structure.
9096         (struct processors): Add entry for options.
9097         (arm_unrecognized_feature): New function.
9098         (arm_parse_arch_cpu_name): Ignore any characters after the first
9099         '+' character.
9100         (arm_parse_arch_cpu_feature): New function.
9101         (arm_configure_build_target): Separate out any CPU and architecture
9102         features and parse separately.  Don't error out if -mfpu=auto is
9103         used with only an architecture string.
9104         (arm_print_asm_arch_directives): New function.
9105         (arm_file_start): Call it.
9106         * config/arm/arm-cpu-cdata.h: Regenerated.
9107         * config/arm/arm-cpu-data.h: Likewise.
9108         * config/arm/arm-tables.opt: Likewise.
9109
9110 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
9111
9112         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
9113         assembler when it is not -mfpu=auto.
9114
9115 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
9116
9117         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
9118         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
9119         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
9120         (ASM_CPU_SPEC): Rewrite.
9121         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
9122         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
9123         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
9124         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
9125         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
9126         copied string is NUL-terminated.  Also strip any characters prefixed
9127         by '+'.
9128         (arm_rewrite_selected_arch): New function.
9129         (arm_rewrite_march): New function.
9130
9131 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
9132
9133         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
9134         (x_arm_cpu_string, x_arm_tune_string): Likewise.
9135         (march, mcpu, mtune): Convert to string-based options.
9136         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
9137         (arm_parse_arch_cpu_name): New function.
9138         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
9139         identify selected architecture or CPU.
9140         (arm_option_save): New function.
9141         (TARGET_OPTION_SAVE): Redefine.
9142         (arm_option_restore): Restore string options.
9143         (arm_option_print): Print string options.
9144
9145 2017-06-16  Martin Sebor  <msebor@redhat.com>
9146
9147         PR tree-optimization/80933
9148         PR tree-optimization/80934
9149         * builtins.c (fold_builtin_3): Do not handle bcmp here.
9150         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
9151         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
9152         (gimple_fold_builtin): Call them.
9153
9154 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
9155
9156         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
9157         as unlikely; update profile.
9158
9159 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
9160
9161         * predict.c (force_edge_cold): Handle declaring edges impossible
9162         more aggresively.
9163
9164 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
9165
9166         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
9167         profile.
9168         (try_unroll_loop_completely): Fix reporting.
9169
9170 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
9171
9172         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
9173
9174 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
9175
9176         PR target/71778
9177         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
9178         if given a non-constant argument for an intrinsic which requires a
9179         constant.
9180
9181 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
9182
9183         * profile.c (compare_freqs): New function.
9184         (branch_prob): Sort edge list.
9185         (find_spanning_tree): Assume that the list is priority sorted.
9186
9187 2017-06-16  Richard Biener  <rguenther@suse.de>
9188
9189         PR tree-optimization/81090
9190         * passes.def (pass_record_bounds): Remove.
9191         * tree-pass.h (make_pass_record_bounds): Likewise.
9192         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
9193         make_pass_record_bounds): Likewise.
9194         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
9195         not free niter estimates at the beginning but at the end.
9196         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
9197
9198 2017-06-16  Richard Biener  <rguenther@suse.de>
9199
9200         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
9201         initializer to workaround ICE in host GCC 4.8.
9202
9203 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
9204
9205         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
9206         counts.
9207         (clone_inlined_nodes): Update.
9208
9209 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
9210
9211         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
9212         prefetch settings, and enable prefetching by default at -O3.
9213
9214 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
9215
9216         * config/aarch64/aarch64.c (aarch64_override_options_internal):
9217         Set flag_prefetch_loop_arrays according to tuning data.
9218
9219 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
9220
9221         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
9222         New tune structure.
9223         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
9224         [Unrelated to main purpose of the patch] Place the pointer field last
9225         to enable type checking errors when tune structure are wrongly merged.
9226         * config/aarch64/aarch64.c (generic_prefetch_tune,)
9227         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
9228         (thunderx2t99_prefetch_tune): New tune constants.
9229         (tune_params *_tunings): Update all tunings (no functional change).
9230         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
9231         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
9232         from tunings structures.
9233
9234 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
9235
9236         PR sanitizer/81094
9237         * ubsan.c (instrument_null): Add T argument, use it instead
9238         of computing it based on IS_LHS.
9239         (instrument_object_size): Likewise.
9240         (pass_ubsan::execute): Adjust instrument_null and
9241         instrument_object_size callers to pass gimple_get_lhs or
9242         gimple_assign_rhs1 result to it.  Use instrument_null instead of
9243         calling get_base_address and instrument_mem_ref.  Handle
9244         aggregate call arguments for object-size sanitization.
9245
9246 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
9247
9248         PR tree-optimization/81089
9249         * tree-vrp.c (is_masked_range_test): Validate operands of
9250         subexpression.
9251
9252 2017-06-15  Martin Sebor  <msebor@redhat.com>
9253
9254         PR c++/80560
9255         * dumpfile.c (dump_register): Avoid calling memset to initialize
9256         a class with a default ctor.
9257         * gcc.c (struct compiler): Remove const qualification.
9258         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
9259         * hash-table.h: Ditto.
9260         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
9261           assignment.
9262         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
9263         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
9264         default ctor.
9265         * params.h (struct param_info): Make struct members non-const.
9266         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
9267         with default initialization.
9268         * vec.h (vec_copy_construct, vec_default_construct): New helper
9269         functions.
9270         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
9271         with vec_copy_construct.
9272         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
9273         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
9274         * doc/invoke.texi (-Wclass-memaccess): Document.
9275
9276 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9277
9278         * emit-rtl.h (is_leaf): Update comment about local
9279         register allocator.
9280
9281 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
9282
9283         PR target/78818
9284         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
9285         for a variable to have a section before checking if the section has a
9286         name.
9287         Set section to.persistent if persistent attribute is set.
9288         Warn if .persistent attribute is used on an automatic variable.
9289
9290 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
9291
9292         PR rtl-optimization/80474
9293         * reorg.c (update_block): Do not ignore instructions in a delay slot.
9294
9295 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
9296
9297         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
9298         of REGNO.
9299
9300 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
9301
9302         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
9303         (casesi): Emit bounds checking as RTL.
9304         (casesi_internal_mips16_<mode>): Remove bounds checking.
9305
9306 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
9307
9308         * config/xtensa/xtensa.c (xtensa_option_override): Append
9309         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
9310         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
9311          xtensa_doloop_hooks): Define unconditionally.
9312         (xtensa_reorg_loops): Only call reorg_loops in the presence of
9313         TARGET_LOOPS.
9314         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
9315         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
9316         for it in xtensa_option_override.
9317         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
9318          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
9319
9320 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
9321
9322         * doc/cppopts.texi: Document '-' special value to -MF.
9323
9324 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
9325
9326         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
9327         (cortex_a53_fconst): Likewise.
9328         (cortex_a53_fpmul): Likewise.
9329         (cortex_a53_f_load_64): Likewise.
9330         (cortex_a53_f_load_many): Likewise.
9331         (cortex_a53_advsimd_alu): Likewise.
9332         (cortex_a53_advsimd_alu_q): Likewise.
9333         (cortex_a53_advsimd_mul): Likewise.
9334         (cortex_a53_advsimd_mul_q): Likewise.
9335         (fpmac bypass): Add new bypass for fpmac-fpmac case.
9336         Add missing fmul, r2f_cvt and fconst cases.
9337
9338 2017-06-14  Richard Biener  <rguenther@suse.de>
9339
9340         PR middle-end/81088
9341         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
9342         literal constants.
9343         (fold_binary_loc): When associating do not treat pre-existing
9344         TREE_OVERFLOW on literal constants as a reason to allow
9345         TREE_OVERFLOW on associated literal constants.
9346
9347 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
9348
9349         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
9350         (MASK_FEATURES): New macro.
9351         * config/sparc/sparc.c (sparc_option_override): Remove the special
9352         handling of -mfpu and generalize it to all MASK_FEATURES switches.
9353
9354 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
9355
9356         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
9357         a division of 0 if non-call exceptions are enabled.
9358
9359 2017-06-14  Andrew Pinski  <apinski@cavium.com>
9360             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
9361
9362         PR target/71663
9363         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
9364         Improve vector initialization code gen for only variable case.
9365
9366 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
9367
9368         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
9369
9370 2017-06-14  Richard Biener  <rguenther@suse.de>
9371
9372         PR tree-optimization/81083
9373         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
9374         as values.
9375
9376 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9377
9378         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
9379         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
9380         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
9381         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
9382         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
9383         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
9384
9385 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9386
9387         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
9388         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
9389
9390 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9391
9392         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
9393
9394 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9395
9396         * config/rs6000/t-rtems: Don't handle SPE.
9397
9398 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9399
9400         * config/rs6000/t-linux: Don't handle SPE.
9401
9402 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9403
9404         * config/rs6000/eabispe.h: Delete file.
9405
9406 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9407
9408         * config/rs6000/t-spe: Delete file.
9409
9410 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9411
9412         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
9413         (rs6000_legitimate_offset_address_p): Return false for anything in
9414         V2SImode or V2SFmode.
9415
9416 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
9417
9418         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
9419         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
9420         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
9421         and V4HImode.
9422         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
9423         (rs6000_legitimate_offset_address_p): Ditto.
9424         (rs6000_emit_move): Ditto.
9425         (rs6000_init_builtins): Remove V4HI_type_node.
9426
9427 2017-06-13  Martin Liska  <mliska@suse.cz>
9428
9429         PR sanitize/78204
9430         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
9431         (gate_asan): Likewise.
9432         * asan.h (asan_no_sanitize_address_p): Remove the function.
9433         (sanitize_flags_p): New function.
9434         * builtins.def: Fix coding style.
9435         * common.opt: Use renamed enum value.
9436         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
9437         * doc/extend.texi: Document no_sanitize attribute.
9438         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
9439         to SANITIZE_UNDEFINED_NONDEFAULT.
9440         * gcc.c (sanitize_spec_function): Use the renamed enum value.
9441         * gimple-fold.c (optimize_atomic_compare_exchange_p):
9442         Use sanitize_flags_p.
9443         * gimplify.c (gimplify_function_tree): Likewise.
9444         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
9445         * opts.c (parse_no_sanitize_attribute): New function.
9446         (common_handle_option): Use renamed enum value.
9447         * opts.h (parse_no_sanitize_attribute): Declare.
9448         * tree.c (sanitize_flags_p): New function.
9449         * tree.h: Declared here.
9450         * tsan.c: Use sanitize_flags_p.
9451         * ubsan.c (ubsan_expand_null_ifn): Likewise.
9452         (instrument_mem_ref): Likewise.
9453         (instrument_bool_enum_load): Likewise.
9454         (do_ubsan_in_current_function): Remove the function.
9455         (pass_ubsan::execute): Use sanitize_flags_p.
9456         * ubsan.h: Remove do_ubsan_in_current_function
9457         * tree-cfg.c (print_no_sanitize_attr_value): New function.
9458         (dump_function_to_file): Use it here.
9459
9460 2017-06-13  Martin Jambor  <mjambor@suse.cz>
9461
9462         PR tree-optimization/80803
9463         PR tree-optimization/81063
9464         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
9465         (propagate_subaccesses_across_link): Enqueue subtree whenever
9466         necessary instead of relying on the caller.
9467
9468 2017-06-13  Martin Jambor  <mjambor@suse.cz>
9469
9470         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
9471         that have a first_link.
9472         (sort_and_splice_var_accesses): Do not check first_link before
9473         enquing.
9474         (subtree_mark_written_and_enqueue): Likewise.
9475         (propagate_all_subaccesses): Likewise and do not stop at first
9476         parent with a first_link.
9477
9478 2017-06-13  Martin Jambor  <mjambor@suse.cz>
9479
9480         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
9481         instead of f.
9482
9483 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
9484
9485         * match.pd: New pattern.
9486
9487 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
9488
9489         * tree-vrp.c (is_masked_range_test): New function.
9490         (register_edge_assert_for): Determine ranges for
9491         some bit tests.
9492
9493 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
9494
9495         PR tree-optimization/67328
9496         * fold-const.c (maskable_range_p): New function.
9497         (build_range_check): Generate bittests if possible.
9498
9499 2017-06-13  Martin Liska  <mliska@suse.cz>
9500
9501         * gimple-pretty-print.c (dump_probability): Add new argument.
9502         (dump_edge_probability): Dump both probability and count.
9503         (dump_gimple_label): Likewise.
9504         (dump_gimple_bb_header): Likewise.
9505
9506 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
9507
9508         PR target/81072
9509         * config/avr/avr-devices.c: Fix indentation.
9510         * config/avr/gen-avr-mmcu-specs.c: Dito.
9511
9512 2017-06-13  Richard Biener  <rguenther@suse.de>
9513
9514         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
9515         instead get vector type from stmt_info.
9516         (vectorizable_reduction): Adjust.  Remove dead code.
9517
9518 2017-06-13  Richard Biener  <rguenther@suse.de>
9519
9520         PR middle-end/81065
9521         * fold-const.c (extract_muldiv_1): Remove bogus distribution
9522         case of C * (x * C2 + C3).
9523         (fold_addr_of_array_ref_difference): Properly fold index difference.
9524
9525 2017-06-12  David S. Miller  <davem@davemloft.net>
9526
9527         PR target/80968
9528         * config/sparc/sparc.md (return expander): Emit frame blockage if
9529         function uses alloca.
9530
9531 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
9532
9533         * combine.c (make_field_assignment): Check len rather than the mode
9534         precision when calling force_to_mode.
9535
9536 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
9537
9538         Support multilibs and devices that see flash in RAM address range.
9539
9540         PR target/81072
9541         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
9542         (avr_mcu_t) <flash_pm_offset>: New field.
9543         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
9544         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
9545         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
9546         (AVR_TINY_PM_OFFSET): Remove macro.
9547         * config/avr/avr.opt (-mshort-calls): New option.
9548         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
9549         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
9550         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
9551         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
9552         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
9553         instead of avr_arch->have_jmp_call.
9554         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
9555         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
9556         avr_arch->flash_pm_offset to define.
9557         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
9558         new field flash_pm_offset.  Add entry for avrxmega3.
9559         (avr_texinfo): Add entry for avrxmega3.
9560         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
9561         attiny212, attiny214,
9562         attiny412, attiny414, attiny416, attiny417,
9563         attiny814, attiny816, attiny817,
9564         attiny1614, attiny1616, attiny1617,
9565         attiny3214, attiny3216, attiny3217.
9566         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
9567         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
9568         (avr_print_operand_address) [AVR_TINY]: Same.
9569         (avr_asm_init_sections) <readonly_data_section>: Only patch
9570         callback if avr_arch->flash_pm_offset = 0.
9571         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
9572         for rodata if avr_arch->flash_pm_offset != 0.
9573         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
9574         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
9575         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
9576         (m_options): Append opt_rcall.
9577         (m_dirnames): Append dir_rcall.
9578         * config/avr/t-multilib: Regenerate.
9579
9580         * configure.ac [target=avr]: Check whether avrxmega3 default
9581         linker description file works as needed.
9582         * configure: Regenerate.
9583         * doc/avr-mmcu.texi: Regenerate.
9584         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
9585         <__AVR_ARCH__>: Document avrxmega3 and 103.
9586         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
9587         <__AVR_SHORT_CALLS__>: Document it.
9588         <__AVR_PM_BASE_ADDRESS__>: Document it.
9589         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
9590         (AVR Variable Attributes) <progmem>: Document this is
9591         not needed for avrxmega3.
9592         (AVR Named Address Spaces) <__flash>: Dito.
9593
9594 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
9595
9596         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
9597
9598 2017-06-12  Doug Rupp  <rupp@adacore.com>
9599
9600         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
9601         Append vxworks-stdint.h to the tm_file list.
9602         * config/vxworks-stdint.h: New file.
9603
9604 2017-06-12  Martin Liska  <mliska@suse.cz>
9605
9606         PR tree-optimization/81041
9607         * tree-profile.c (gimple_gen_ic_func_profiler):
9608         Create an extra BB in profile-generate
9609         (gimple_gen_time_profiler): Likewise.
9610
9611 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
9612
9613         PR tree-optimization/81003
9614         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
9615         (update_range_test): Use it instead of force_gimple_operand_gsi.
9616
9617 2017-06-12  Richard Biener  <rguenther@suse.de>
9618
9619         PR tree-optimization/81053
9620         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
9621         with backedge value not defined in loop.  Simplify def stmt
9622         compute.
9623
9624 2017-06-11  Tom de Vries  <tom@codesourcery.com>
9625
9626         PR target/79939
9627         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
9628         Return true.
9629         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9630         nvptx_cannot_force_const_mem.
9631
9632 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
9633
9634         * opts.c (finish_options): Move test for flag_split_stack after
9635         it has been initialized.
9636
9637 2017-06-11  Jason Merrill  <jason@redhat.com>
9638
9639         * tree.h (id_equal): New.
9640         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
9641         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
9642         instead of strcmp of IDENTIFIER_POINTER.
9643
9644 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
9645
9646         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
9647         (mark_all_inlined_calls_cdtor): Fix formating.
9648         (inline_transform): Rescale profile before inlining.
9649
9650 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
9651
9652         * cgraph.h (cgraph_edge::clone): Update prototype.
9653         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
9654         (cgraph_node::create_clone): Update.
9655         (cgraph_node::create_version_clone): Update.
9656         * tree-inline.c (copy_bb): Update.
9657         (expand_call_inline): Update.
9658
9659 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
9660
9661         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
9662         factored out from ...
9663         (rs6000_emit_prologue): ... here.
9664
9665 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
9666
9667         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
9668         factored out from ...
9669         (rs6000_emit_prologue): ... here.
9670
9671 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
9672
9673         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
9674         edge counts.
9675         (handle_missing_profiles): Fix computation of tp_first_run.
9676         (counts_to_freqs): Do not touch freqs when count is 0.
9677
9678 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
9679
9680         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
9681         profile.
9682
9683 2017-06-10  Tom de Vries  <tom@codesourcery.com>
9684
9685         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
9686         attributes): Document signal effective target.
9687
9688 2017-06-10  Tom de Vries  <tom@codesourcery.com>
9689
9690         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
9691         Document effective target stack_size.
9692
9693 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
9694
9695         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
9696         to the edit_context if they can be auto-applied.
9697
9698 2017-06-9  Ian Lance Taylor  <iant@golang.org>
9699
9700         * opts.c (finish_options): If -fsplit-stack, disable implicit
9701         -forder-blocks-and-partition.
9702         * doc/invoke.texi (Optimize Options): Document that when using
9703         -fsplit-stack -forder-blocks-and-partition is not implicitly
9704         enabled.
9705
9706 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
9707
9708         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
9709         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
9710         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
9711         * builtins.def (abort, trap, unreachable): Declare cold.
9712         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
9713         * tree-core.h (ECF_COLD): New.
9714         * tree.c (set_call_expr_flags): Handle ECF_COLD.
9715         (build_common_builtin_nodes): Mark unreachable and abort as cold.
9716
9717 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
9718
9719         * predict.c (unlikely_executed_stmt_p): Cleanup.
9720
9721 2017-06-09  Richard Biener  <rguenther@suse.de>
9722
9723         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
9724         model if the ref is always written to.
9725
9726 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
9727
9728         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
9729
9730 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
9731
9732         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
9733         than udiv.
9734
9735 2017-06-09  Tom de Vries  <tom@codesourcery.com>
9736
9737         PR target/80855
9738         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
9739         "target cannot support label values" when encountering LABEL_REF.
9740
9741 2017-06-09  Martin Liska  <mliska@suse.cz>
9742
9743         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
9744         (gimple_gen_ic_func_profiler): Emit direct comparison
9745         of __gcov_indirect_call_callee with NULL.
9746         (gimple_gen_time_profiler): Change probability from
9747         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
9748
9749 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
9750
9751         * profile.c (edge_gcov_counts): Turn to pointer.
9752         (compute_branch_probabilities, compute_branch_probabilities): Update.
9753         (branch_prob): Do not clear edge_gcov_count.
9754         * profile.h (edge_gcov_counts): Turn to pointer.
9755         (edge_gcov_count): Update.
9756
9757 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
9758
9759         * gimple.h (gimple_check_failed): Mark cold.
9760
9761 2017-06-09  Richard Biener  <rguenther@suse.de>
9762
9763         PR tree-optimization/66623
9764         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
9765         refactor check_reduction into two parts, properly computing
9766         whether we have to check reduction validity for outer loop
9767         vectorization.
9768
9769 2017-06-09  Richard Biener  <rguenther@suse.de>
9770
9771         PR tree-optimization/79483
9772         * graphite-scop-detection.c (order): New global.
9773         (get_order): Compute bb to order mapping that satisfies code
9774         generation constraints.
9775         (cmp_pbbs): New helper.
9776         (build_scops): Start domwalk at entry block, sort generated
9777         pbbs.
9778
9779 2017-06-09  Richard Biener  <rguenther@suse.de>
9780
9781         PR middle-end/81007
9782         * ipa-polymorphic-call.c
9783         (ipa_polymorphic_call_context::restrict_to_inner_class):
9784         Skip FIELD_DECLs with error_mark_node type.
9785         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
9786         last again.
9787
9788 2017-06-09  Martin Liska  <mliska@suse.cz>
9789
9790         * predict.c (struct branch_predictor): New struct.
9791         (test_prediction_value_range): New test.
9792         (predict_c_tests): New function.
9793         * selftest-run-tests.c (selftest::run_tests): Run the function.
9794         * selftest.h: Declare new tests.
9795
9796 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
9797
9798         PR target/80966
9799         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
9800         gen_add3_insn did not fail.
9801         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
9802         r0, construct that number in a temporary reg and add that reg to r0.
9803         If asked to put the result in r0 as well, fail.
9804
9805 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
9806
9807         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
9808         for early expansion of vec_eqv.
9809
9810 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
9811
9812         PR middle-end/81005
9813         * ubsan.c (instrument_null): Avoid pointless code temporary.
9814         (pass_ubsan::execute): Instrument aggregate arguments of calls.
9815
9816 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
9817
9818         PR target/81015
9819         Revert:
9820         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
9821
9822         PR target/59874
9823         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
9824         (*clzhi2): Ditto.
9825
9826 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
9827
9828         * predict.c (unlikely_executed_edge_p): Move ahead.
9829         (probably_never_executed_edge_p): Use it.
9830
9831 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
9832
9833         PR middle-end/79988
9834         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
9835         gimple_call_builtin_p call.
9836
9837 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
9838
9839         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
9840         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
9841         rtl_check_failed_type2, rtl_check_failed_code1,
9842         rtl_check_failed_code2, rtl_check_failed_code_mode,
9843         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
9844         rtvec_check_failed_bounds, rtl_check_failed_flag,
9845         _fatal_insn_not_found, _fatal_insn): Likewise.
9846         * tree.h (tree_contains_struct_check_failed,
9847         tree_check_failed, tree_not_check_failed,
9848         tree_class_check_failed, tree_range_check_failed,
9849         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
9850         tree_vec_elt_check_failed, phi_node_elt_check_failed,
9851         tree_operand_check_failed, omp_clause_check_failed,
9852         omp_clause_operand_check_failed, omp_clause_range_check_failed):
9853         Likewise.
9854
9855 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
9856
9857         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
9858         flag_branch_probabilities.
9859         * ipa-inline.c (edge_badness): Likewise.
9860         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
9861         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
9862         * predict.c (maybe_hot_frequency_p): Likewise.
9863         (probably_never_executed): Likewise.
9864         * sched-ebb.c (schedule_ebbs): Likewise.
9865         * sched-rgn.c (find_single_block_region): Likewise.
9866         * tracer.c (tail_duplicate): Likewise.
9867
9868 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
9869
9870         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
9871         longer requires x_flag_profile_use.
9872
9873 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
9874
9875         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
9876         instead of flag_reorder_blocks_and_partition.
9877         * dbxout.c (dbxout_function_end): Likewise.
9878         * dwarf2out.c (gen_subprogram_die): Likewise.
9879         * haifa-sched.c (sched_create_recovery_edges): Likewise.
9880         * hw-doloop.c (reorg_loops): Likewise.
9881         * varasm.c (assemble_start_function,
9882         assemble_end_function): Likewise.
9883         (decide_function_section): Do not check for
9884         flag_reorder_blocks_and_partition.
9885
9886 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
9887
9888         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
9889         New function.
9890         (chkp_get_hard_register_fake_addr_expr): Ditto.
9891         (chkp_build_addr_expr): Add check for hard reg case.
9892         (chkp_parse_array_and_component_ref): Ditto.
9893         (chkp_find_bounds_1): Ditto.
9894         (chkp_process_stmt): Don't generate bounds store for
9895         hard reg case.
9896
9897 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
9898
9899         * predict.c (maybe_hot_bb_p): Do not check profile status.
9900         (maybe_hot_edge_p): Likewise.
9901         (probably_never_executed): Check for zero counts even if profile
9902         is not read.
9903         (unlikely_executed_edge_p): New function.
9904         (unlikely_executed_stmt_p): New function.
9905         (unlikely_executed_bb_p): New function.
9906         (set_even_probabilities): Use unlikely predicates.
9907         (combine_predictions_for_bb): Likewise.
9908         (predict_paths_for_bb): Likewise.
9909         (predict_paths_leading_to_edge): Likewise.
9910         (determine_unlikely_bbs): New function.
9911         (estimate_bb_frequencies): Use it.
9912         (compute_function_frequency): Use zero counts even if profile is
9913         not read.
9914         * profile-count.h: Fix typo.
9915
9916 2017-08-08  Julia Koval  <julia.koval@intel.com>
9917
9918         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
9919         _mm512_mask_cvtsepi16_storeu_epi8,
9920         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
9921         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
9922         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
9923         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
9924         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
9925         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
9926         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
9927         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
9928         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
9929         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
9930         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
9931         __builtin_ia32_pmovuswb256mem_mask,
9932         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
9933         __builtin_ia32_pmovwb512mem_mask): New builtins.
9934
9935 2017-08-08  Julia Koval  <julia.koval@intel.com>
9936
9937         PR target/73350,80862
9938         * config/i386/subst.md (round): Fix round pattern.
9939         * config/i386/i386.c (ix86_erase_embedded_rounding):
9940         Fix erasing rounding for the fixed pattern.
9941
9942 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
9943
9944         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
9945
9946 2017-06-08  Martin Liska  <mliska@suse.cz>
9947
9948         PR gcov-profile/80911
9949         * gcov.c (block_info::block_info): New constructor.
9950
9951 2017-06-07  Carl Love  <cel@us.ibm.com>
9952
9953         * config/rs6000/rs6000-c: The return type of the following
9954         built-in functions was implemented as int not long long.  Fix sign
9955         of return value for the unsigned version of vec_mulo and vec_mule.
9956         vector unsigned long long vec_bperm (vector unsigned long long,
9957                                              vector unsigned char)
9958         vector signed long long vec_mule (vector signed int,
9959                                           vector signed int)
9960         vector unsigned long long vec_mule (vector unsigned int,
9961                                             vector unsigned int)
9962         vector signed long long vec_mulo (vector signed int,
9963                                           vector signed int)
9964         vector unsigned long long vec_mulo (vector unsigned int,
9965                                             vector unsigned int)
9966         * doc/extend.texi: Fix the documentation for the built-in
9967         functions.
9968
9969 2017-06-07  Carl Love  <cel@us.ibm.com>
9970
9971         PR target/80982
9972         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
9973         for BE.
9974
9975 2017-06-07  Carl Love  <cel@us.ibm.com>
9976
9977         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
9978         support, Generate       doublehv for signed int/float for BE case only.
9979
9980 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
9981
9982         * doc/invoke.texi (mcx16): Rewrite.
9983
9984 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
9985
9986         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
9987         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
9988         *mov<mode>_softfloat, and an anonymous splitter): Use
9989         nonimmediate_operand instead of rs6000_nonimmediate_operand.
9990
9991 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
9992
9993         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
9994         SPEFSCR registers.
9995         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
9996         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
9997         (rs6000_debug_reg_global): Adjust.
9998         (rs6000_init_hard_regno_mode_ok): Adjust.
9999         (rs6000_dbx_register_number): Adjust.
10000         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
10001         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10002         Remove SPE_ACC and SPEFSCR.
10003         (REG_ALLOC_ORDER): Ditto.
10004         (FRAME_POINTER_REGNUM): Change to 111.
10005         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
10006         (REG_CLASS_NAMES): Ditto.
10007         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
10008         (REGISTER_NAMES): Ditto.
10009         (ADDITIONAL_REG_NAMES): Ditto.
10010         (rs6000_reg_names): Ditto.
10011         * config/rs6000/rs6000.md: Renumber some register number
10012         define_constants.
10013
10014 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10015
10016         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
10017         registers.
10018         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
10019         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
10020         to 117.
10021         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
10022         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10023         Delete the SPE high registers.
10024         (REG_ALLOC_ORDER): Ditto.
10025         (enum reg_class): Remove SPE_HIGH_REGS.
10026         (REG_CLASS_NAMES): Ditto.
10027         (REG_CLASS_CONTENTS): Delete the SPE high registers.
10028         (REGISTER_NAMES): Ditto.
10029         (rs6000_reg_names): Ditto.
10030         * doc/tm.texi.in: Remove SPE as example.
10031         * doc/tm.texi: Regenerate.
10032
10033 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10034
10035         * config/rs6000/8540.md (ppc8540_brinc): Delete.
10036         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
10037         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
10038         * config/rs6000/rs6000.md (type): Remove "brinc".
10039
10040 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10041
10042         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
10043         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
10044         * config/rs6000/linuxspe.h: Delete file.
10045         * config/rs6000/rs6000.md: Don't include spe.md.
10046         * config/rs6000/spe.h: Delete file.
10047         * config/rs6000/spe.md: Delete file.
10048         * config/rs6000/t-rs6000: Remove spe.md.
10049
10050 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10051
10052         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
10053         (reg_or_none500mem_operand): Delete.
10054         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
10055         instead of reg_or_none500mem_operand.
10056
10057 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10058
10059         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
10060         handling of SPE flags.
10061         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
10062
10063 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10064
10065         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
10066         SPE ABI handling.
10067         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
10068         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
10069         paired_divv2sf3): Similar.
10070         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
10071         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
10072         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
10073         RS6000_BUILTIN_S.
10074         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
10075         Rename the paired_* instruction patterns.
10076         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
10077         define __SPE__.
10078         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
10079         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
10080         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
10081         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
10082         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
10083         PAIRED_VECTOR_MODE.
10084         (struct machine_function): Delete field spe_insn_chain_scanned_p.
10085         (spe_func_has_64bit_regs_p): Delete.
10086         (spe_expand_predicate_builtin): Delete.
10087         (spe_expand_evsel_builtin): Delete.
10088         (TARGET_DWARF_REGISTER_SPAN): Do not define.
10089         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
10090         (invalid_e500_subreg): Delete.
10091         (rs6000_legitimize_address): Always force_reg op2 as well, for
10092         paired single memory accesses.
10093         (rs6000_member_type_forces_blk): Delete.
10094         (rs6000_spe_function_arg): Delete.
10095         (rs6000_expand_unop_builtin): Delete SPE handling.
10096         (rs6000_expand_binop_builtin): Ditto.
10097         (spe_expand_stv_builtin): Delete.
10098         (bdesc_2arg_spe): Delete.
10099         (spe_expand_builtin): Delete.
10100         (spe_expand_predicate_builtin): Delete.
10101         (spe_expand_evsel_builtin): Delete.
10102         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
10103         (spe_init_builtins): Delete.
10104         (spe_func_has_64bit_regs_p): Delete.
10105         (savres_routine_name): Delete "info" parameter.  Adjust callers.
10106         (rs6000_emit_stack_reset): Ditto.
10107         (rs6000_dwarf_register_span): Delete.
10108         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
10109         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
10110         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
10111         Delete.
10112         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
10113         Delete.
10114         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
10115         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
10116         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
10117         mulv2sf3, divv2sf3): Delete expanders.
10118
10119 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10120
10121         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
10122
10123 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10124
10125         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
10126         * config/rs6000/rs6000.c: Ditto.
10127
10128 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10129
10130         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
10131         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
10132         comparison_operator.
10133
10134 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10135
10136         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
10137         * config/rs6000/rs6000.opt: Ditto.
10138         * config/rs6000/t-rtems: Ditto.
10139
10140 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10141
10142         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
10143         TARGET_E500_SINGLE by 0, simplify.
10144         * config/rs6000/rs6000.c: Ditto.
10145         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
10146         (spe_build_register_parallel): Delete.
10147         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
10148         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
10149         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
10150         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
10151         (E500_CONVERT): Delete.
10152         * config/rs6000/spe.md: Remove many patterns and all define_constants.
10153
10154 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
10155
10156         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
10157         * config/rs6000/dfp.md: Ditto.
10158         (negdd2, *negdd2_fpr): Merge.
10159         (absdd2, *absdd2_fpr): Merge.
10160         (negtd2, *negtd2_fpr): Merge.
10161         (abstd2, *abstd2_fpr): Merge.
10162         * config/rs6000/e500.h: Delete file.
10163         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
10164         TARGET_FPRS by 1 and simplify.
10165         * config/rs6000/rs6000-c.c: Ditto.
10166         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
10167         TARGET_DF_SPE by 0.
10168         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
10169         TARGET_DF_SPE.
10170         * config/rs6000/rs6000.md: Ditto.
10171         (floatdidf2, *floatdidf2_fpr): Merge.
10172         (move_from_CR_gt_bit): Delete.
10173         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
10174         (E500_CR_IOR_COMPARE): Delete.
10175         (All patterns that require !TARGET_FPRS): Delete.
10176         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
10177
10178 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10179
10180         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
10181
10182 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10183
10184         * graphds.c (add_edge): Intitialize edge's attached data.
10185         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
10186         pointer parameter.  Call pointed function on each edge during
10187         graph traversing.  Skip traversing the edge when the function
10188         returns true.
10189         (graphds_dfs, graphds_scc): Ditto.
10190         (for_each_edge): New parameter.  Pass the new parameter to callback
10191         function.
10192         * graphds.h (skip_edge_callback): New function pointer type.
10193         (graphds_dfs, graphds_scc): New function pointer parameter.
10194         (graphds_edge_callback, for_each_edge): New parameter.
10195
10196 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10197
10198         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
10199         out code checking if runtime alias check is possible to below ...
10200         Call the new function.
10201         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
10202         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
10203
10204 2017-06-07  Marek Polacek  <polacek@redhat.com>
10205
10206         PR sanitizer/80932
10207         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
10208         TYPE_OVERFLOW_WRAPS check.
10209
10210 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10211
10212         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
10213         if versioning is required.
10214         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
10215         peeling with the check for versioning.
10216
10217 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10218
10219         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
10220         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
10221         Set true to new parameter if new ssa variable is defined.
10222         (vect_gen_vector_loop_niters): Refactor.  Set range information
10223         for the new vector loop bound variable.
10224         (vect_do_peeling): Ditto.
10225
10226 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10227
10228         * tree-affine.c (ssa.h): Include header file.
10229         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
10230         has wrapping overflow behavior.
10231
10232 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10233
10234         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
10235
10236 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10237
10238         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
10239         (tree_to_aff_combination): ... here.
10240
10241 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
10242
10243         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
10244         reg_pressure model function.
10245         (ivopts_global_cost_for_size): Delete.
10246         (determine_set_costs, iv_ca_recount_cost): Call new model function
10247         ivopts_estimate_reg_pressure.
10248
10249 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
10250
10251         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
10252         expensive than udiv.  Remove floating point cases from mod.
10253
10254 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
10255
10256         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
10257         Increase idiv cost.
10258
10259 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
10260
10261         * config/aarch64/aarch64.md
10262         (copysignsf3): Fix mask generation.
10263
10264 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
10265
10266         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
10267         TDI_gimple.
10268         (class dump_manager): Add register_dumps method.
10269         * dumpfile.c: Include langhooks.h.
10270         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
10271         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
10272         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
10273         (dump_manager::dump_register): Start with 512 entries instead of 32.
10274         (dump_manager::register_dumps): New method.
10275         * toplev.c (general_init): Instead of invoking register_dumps
10276         langhook, invoke register_dumps method on the dump manager.
10277         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
10278         TDI_generic.
10279
10280 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
10281
10282         * doc/md.texi: Clarify the restrictions on a define_insn condition.
10283         Say that # requires an associated define_split to exist, and that
10284         the define_split must be suitable for use after register allocation.
10285
10286 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
10287
10288         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
10289         (compute_outgoing_frequencies): Also initialize zero counts.
10290         (find_many_sub_basic_blocks): Do not produce uninitialized profile
10291         around loops; preserve more of profile when nothing changes.
10292
10293 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
10294
10295         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
10296         here.
10297         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
10298         * config/arm/arm-cpu-cdata.h: Regenerate.
10299         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
10300         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
10301         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
10302         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
10303         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
10304         support.
10305         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
10306         support.
10307         * config/arm/t-rmprofile: Likewise.
10308         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
10309
10310 2017-06-06  David S. Miller  <davem@davemloft.net>
10311
10312         PR target/80968
10313         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
10314         blockage if function uses alloca.
10315
10316 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
10317
10318         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
10319         New "uid" fields to hold pretty-print IDs of group and ref.
10320         Memory references are now identified as <group_id>:<ref_id>
10321         instead of using [random] addresses.
10322         (dump_mem_details): Simplify, no functional change.
10323         (dump_mem_ref): Simplify and make output more concise.
10324         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
10325         (find_or_create_group): Initialize group uid.
10326         (record_ref): Initialize ref uid.  Improve debug output.
10327         (prune_group_by_reuse, should_issue_prefetch_p,)
10328         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
10329         (mark_nontemporal_store, determine_loop_nest_reuse):
10330         Improve debug output.
10331
10332 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
10333
10334         * dbgcnt.def (prefetch): New debug counter.
10335         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
10336         (schedule_prefetches): Stop issueing prefetches if debug counter
10337         tripped.
10338
10339 2017-06-06  Tom de Vries  <tom@codesourcery.com>
10340
10341         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
10342         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
10343
10344 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10345
10346         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
10347         Use aarch64_reg_or_zero predicate for operand 4.
10348         (aarch64_compare_and_swap<mode> define_insn_and_split):
10349         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
10350         (aarch64_store_exclusive<mode>): Likewise for operand 2.
10351
10352 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10353
10354         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
10355         (arm_compute_save_core_reg_mask): This.
10356         (thumb1_compute_save_reg_mask): Rename into ...
10357         (thumb1_compute_save_core_reg_mask): This.
10358         (arm_compute_save_reg0_reg12_mask): Adapt comment.
10359         (arm_compute_frame_layout): Likewise.
10360
10361 2017-06-06  Richard Biener  <rguenther@suse.de>
10362
10363         PR tree-optimization/80974
10364         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
10365         keep or clear leaders SSA info.
10366
10367 2017-06-06  Tom de Vries  <tom@codesourcery.com>
10368
10369         * config/nvptx/nvptx.c (split_mode_p): New function.
10370         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
10371
10372 2017-06-06  Tom de Vries  <tom@codesourcery.com>
10373
10374         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
10375
10376 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
10377
10378         PR bootstrap/80978
10379         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
10380         profile.
10381
10382 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
10383
10384         * shrink-wrap.c (handle_simple_exit): Update profile.
10385         (try_shrink_wrapping): Upate profile.
10386
10387 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
10388
10389         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
10390         (tree_guess_outgoing_edge_probabilities): New.
10391         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
10392         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
10393
10394 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
10395
10396         * ipa-split.c (split_function): Initialize return bb profile.
10397
10398 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
10399
10400         * profile.c (compute_branch_probabilities): Also initialize
10401         EXIT_BLOCK profile.
10402
10403 2017-06-06  Richard Biener  <rguenther@suse.de>
10404
10405         PR tree-optimization/80928
10406         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
10407         (vect_analyze_loop_operations): Properly guard analysis for
10408         pure SLP case.
10409         (vect_transform_loop): Likewise.
10410         (vect_analyze_loop_2): Also reset SLP type on PHIs.
10411         (vect_model_induction_cost): Do not cost for pure SLP.
10412         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
10413         of induction in inner loop vectorization.
10414         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
10415         (vect_get_and_check_slp_defs): Handle vect_induction_def.
10416         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
10417         recursion.
10418         (vect_analyze_slp_cost_1): Cost induction.
10419         (vect_detect_hybrid_slp_stmts): Handle PHIs.
10420         (vect_get_slp_vect_defs): Likewise.
10421         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
10422         (vect_transform_stmt): Handle SLP reductions.
10423         * tree-vectorizer.h (vectorizable_induction): Adjust.
10424
10425 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
10426
10427         * config/rs6000/rs6000.c (make_resolver_func): Update
10428         init_lowered_empty_function call.
10429
10430 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10431
10432         * doc/invoke.texi: Document the -fprofile-abs-path option.
10433         * common.opt (fprofile-abs-path): New option.
10434         * gcov-io.h (gcov_write_filename): Declare.
10435         * gcov-io.c (gcov_write_filename): New function.
10436         * coverage.c (coverage_begin_function): Use gcov_write_filename.
10437         * profile.c (output_location): Likewise.
10438
10439 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
10440
10441         * shring-wrap.c: Revert accidental commit.
10442
10443 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
10444
10445         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
10446
10447 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
10448
10449         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
10450         new edge.
10451         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
10452         profile in callgraph edge.
10453         * profile-count.h (apply_probability): If THIS is 0, then result is 0
10454         (apply_scale): Likewise.
10455         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
10456         Also scale profile when inlining function with zero profile.
10457         (initialize_cfun): Update exit block profile even when it is zero.
10458         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
10459         when profile is read.
10460
10461 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
10462
10463         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
10464         (CLONE_*): New constants to define the processors we can generate
10465         code for with the target_clone attribute.
10466         (rs6000_clone_map): New array to identify which clone processors
10467         the current program is running on.
10468         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
10469         target_clone attribute.
10470         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
10471         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
10472         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
10473         (cpu_expand_builtin): Add support for target_clone attribute.
10474         (rs6000_valid_attribute_p): Allow "default" attribute.
10475         (get_decl_name): New debug function to simplify printing the
10476         current function name in debugging statements.
10477         (rs6000_clone_priority): New functions to support the target_clone
10478         attribute, and be able to generate code to switch between ISA 2.05
10479         through ISA 3.0 (power6 through power9).
10480         (rs6000_compare_version_priority): Likewise.
10481         (rs6000_get_function_versions_dispatcher): Likewise.
10482         (make_resolver_func): Likewise.
10483         (add_condition_to_bb): Likewise.
10484         (dispatch_function_versions): Likewise.
10485         (rs6000_generate_version_dispatcher_body): Likewise.
10486         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
10487         (fusion_gpr_load_p): Fix a spacing issue.
10488         * doc/extend.texi (Common Function Attributes): Document that the
10489         PowerPC supports the target_clone attribute.
10490
10491 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10492
10493         * config/arm/arm.h: explain F symbol found in description of ARM
10494         register allocation in its legend.
10495
10496 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
10497
10498         * config/mips/frame-header-opt.c: Include profile-count.h.
10499         * config/riscv/riscv.c: Include profile-count.h
10500
10501 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
10502
10503         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
10504         update profile.
10505         (sm_set_flag_if_changed): Add bbs field.
10506         (execute_sm_if_changed_flag_set): Pass BBS.
10507         (execute_sm): Update.
10508
10509 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10510
10511         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
10512         New pattern.
10513
10514 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10515
10516         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
10517         (peephole2): New peephole2 to emit the above.
10518         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
10519
10520 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10521
10522         * config/aarch64/aarch64.c (define_peephole2 above
10523         *sub_<shift>_<mode>): New peephole.
10524
10525 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
10526
10527         * config/i386/i386.c (make_resolver_func): Update.
10528         * Makefile.in: Add profile-count.h and profile-count.o
10529         * auto-profile.c (afdo_indirect_call): Update to new API.
10530         (afdo_set_bb_count): Update.
10531         (afdo_propagate_edge): Update.
10532         (afdo_propagate_circuit): Update.
10533         (afdo_calculate_branch_prob): Update.
10534         (afdo_annotate_cfg): Update.
10535         * basic-block.h: Include profile-count.h
10536         (struct edge_def): Turn count to profile_count.
10537         (struct basic_block_def): Likewie.
10538         (REG_BR_PROB_BASE): Move to profile-count.h
10539         (RDIV): Move to profile-count.h
10540         * bb-reorder.c (max_entry_count): Turn to profile_count.
10541         (find_traces): Update.
10542         (rotate_loop):Update.
10543         (connect_traces):Update.
10544         (sanitize_hot_paths):Update.
10545         * bt-load.c (migrate_btr_defs): Update.
10546         * cfg.c (RDIV): Remove.
10547         (init_flow): Use alloc_block.
10548         (alloc_block): Uninitialize count.
10549         (unchecked_make_edge): Uninitialize count.
10550         (check_bb_profile): Update.
10551         (dump_edge_info): Update.
10552         (dump_bb_info): Update.
10553         (update_bb_profile_for_threading): Update.
10554         (scale_bbs_frequencies_int): Update.
10555         (scale_bbs_frequencies_gcov_type): Update.
10556         (scale_bbs_frequencies_profile_count): New.
10557         * cfg.h (update_bb_profile_for_threading): Update.
10558         (scale_bbs_frequencies_profile_count): Declare.
10559         * cfgbuild.c (compute_outgoing_frequencies): Update.
10560         (find_many_sub_basic_blocks): Update.
10561         * cfgcleanup.c (try_forward_edges): Update.
10562         (try_crossjump_to_edge): Update.
10563         * cfgexpand.c (expand_gimple_tailcall): Update.
10564         (construct_exit_block): Update.
10565         * cfghooks.c (verify_flow_info): Update.
10566         (dump_bb_for_graph): Update.
10567         (split_edge): Update.
10568         (make_forwarder_block): Update.
10569         (duplicate_block): Update.
10570         (account_profile_record): Update.
10571         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
10572         (get_estimated_loop_iterations): Update.
10573         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
10574         (single_likely_exit): Update.
10575         * cfgloopmanip.c (scale_loop_profile): Update.
10576         (loopify): Update.
10577         (set_zero_probability): Update.
10578         (lv_adjust_loop_entry_edge): Update.
10579         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
10580         (purge_dead_edges): Update.
10581         (rtl_account_profile_record): Update.
10582         * cgraph.c (cgraph_node::create): Uninitialize count.
10583         (symbol_table::create_edge): Uninitialize count.
10584         (cgraph_update_edges_for_call_stmt_node): Update.
10585         (cgraph_edge::dump_edge_flags): Update.
10586         (cgraph_node::dump): Update.
10587         (cgraph_edge::maybe_hot_p): Update.
10588         * cgraph.h: Include profile-count.h
10589         (create_clone), create_edge, create_indirect_edge): Update.
10590         (cgraph_node): Turn count to profile_count.
10591         (cgraph_edge0: Likewise.
10592         (make_speculative, clone): Update.
10593         (create_edge): Update.
10594         (init_lowered_empty_function): Update.
10595         * cgraphclones.c (cgraph_edge::clone): Update.
10596         (duplicate_thunk_for_node): Update.
10597         (cgraph_node::create_clone): Update.
10598         * cgraphunit.c (cgraph_node::analyze): Update.
10599         (cgraph_node::expand_thunk): Update.
10600         * final.c (dump_basic_block_info): Update.
10601         * gimple-streamer-in.c (input_bb): Update.
10602         * gimple-streamer-out.c (output_bb): Update.
10603         * graphite.c (print_global_statistics): Update.
10604         (print_graphite_scop_statistics): Update.
10605         * hsa-brig.c: Include basic-block.h.
10606         * hsa-dump.c: Include basic-block.h.
10607         * hsa-gen.c (T sum_slice): Update.
10608         (convert_switch_statements):Update.
10609         * hsa-regalloc.c: Include basic-block.h.
10610         * ipa-chkp.c (chkp_produce_thunks): Update.
10611         * ipa-cp.c (struct caller_statistics): Update.
10612         (init_caller_stats): Update.
10613         (gather_caller_stats): Update.
10614         (ipcp_cloning_candidate_p): Update.
10615         (good_cloning_opportunity_p): Update.
10616         (get_info_about_necessary_edges): Update.
10617         (dump_profile_updates): Update.
10618         (update_profiling_info): Update.
10619         (update_specialized_profile): Update.
10620         (perhaps_add_new_callers): Update.
10621         (decide_about_value): Update.
10622         (ipa_cp_c_finalize): Update.
10623         * ipa-devirt.c (struct odr_type_warn_count): Update.
10624         (struct decl_warn_count): Update.
10625         (struct final_warning_record): Update.
10626         (possible_polymorphic_call_targets): Update.
10627         (ipa_devirt): Update.
10628         * ipa-fnsummary.c (redirect_to_unreachable): Update.
10629         * ipa-icf.c (sem_function::merge): Update.
10630         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
10631         * ipa-inline.c (compute_uninlined_call_time): Update.
10632         (compute_inlined_call_time): Update.
10633         (want_inline_small_function_p): Update.
10634         (want_inline_self_recursive_call_p): Update.
10635         (edge_badness): Update.
10636         (lookup_recursive_calls): Update.
10637         (recursive_inlining): Update.
10638         (inline_small_functions): Update.
10639         (dump_overall_stats): Update.
10640         (dump_inline_stats): Update.
10641         * ipa-profile.c (ipa_profile_generate_summary): Update.
10642         (ipa_propagate_frequency): Update.
10643         (ipa_profile): Update.
10644         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
10645         * ipa-utils.c (ipa_merge_profiles): Update.
10646         * loop-doloop.c (doloop_modify): Update.
10647         * loop-unroll.c (report_unroll): Update.
10648         (unroll_loop_runtime_iterations): Update.
10649         * lto-cgraph.c (lto_output_edge): Update.
10650         (lto_output_node): Update.
10651         (input_node): Update.
10652         (input_edge): Update.
10653         (merge_profile_summaries): Update.
10654         * lto-streamer-in.c (input_cfg): Update.
10655         * lto-streamer-out.c (output_cfg): Update.
10656         * mcf.c (create_fixup_graph): Update.
10657         (adjust_cfg_counts): Update.
10658         (sum_edge_counts): Update.
10659         * modulo-sched.c (sms_schedule): Update.
10660         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
10661         * predict.c (maybe_hot_count_p): Update.
10662         (probably_never_executed): Update.
10663         (dump_prediction): Update.
10664         (combine_predictions_for_bb): Update.
10665         (propagate_freq): Update.
10666         (handle_missing_profiles): Update.
10667         (counts_to_freqs): Update.
10668         (rebuild_frequencies): Update.
10669         (force_edge_cold): Update.
10670         * predict.h: Include profile-count.h
10671         (maybe_hot_count_p, counts_to_freqs): UPdate.
10672         * print-rtl-function.c: Do not include cfg.h
10673         * print-rtl.c: Include basic-block.h
10674         * profile-count.c: New file.
10675         * profile-count.h: New file.
10676         * profile.c (is_edge_inconsistent): Update.
10677         (correct_negative_edge_counts): Update.
10678         (is_inconsistent): Update.
10679         (set_bb_counts): Update.
10680         (read_profile_edge_counts): Update.
10681         (compute_frequency_overlap): Update.
10682         (compute_branch_probabilities): Update; Initialize and deinitialize
10683         gcov_count tables.
10684         (branch_prob): Update.
10685         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
10686         (edge_gcov_count): New.
10687         (bb_gcov_count): New.
10688         * shrink-wrap.c (try_shrink_wrapping): Update.
10689         * tracer.c (better_p): Update.
10690         * trans-mem.c (expand_transaction): Update.
10691         (ipa_tm_insert_irr_call): Update.
10692         (ipa_tm_insert_gettmclone_call): Update.
10693         * tree-call-cdce.c: Update.
10694         * tree-cfg.c (gimple_duplicate_sese_region): Update.
10695         (gimple_duplicate_sese_tail): Update.
10696         (gimple_account_profile_record): Update.
10697         (execute_fixup_cfg): Update.
10698         * tree-inline.c (copy_bb): Update.
10699         (copy_edges_for_bb): Update.
10700         (initialize_cfun): Update.
10701         (freqs_to_counts): Update.
10702         (copy_cfg_body): Update.
10703         (expand_call_inline): Update.
10704         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
10705         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
10706         (try_unroll_loop_completely): Update.
10707         (try_peel_loop): Update.
10708         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10709         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
10710         * tree-ssa-loop-split.c (connect_loops): Update.
10711         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
10712         * tree-ssa-reassoc.c (branch_fixup): Update.
10713         * tree-ssa-tail-merge.c (replace_block_by): Update.
10714         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
10715         (compute_path_counts): Update.
10716         (update_profile): Update.
10717         (recompute_probabilities): Update.
10718         (update_joiner_offpath_counts): Update.
10719         (estimated_freqs_path): Update.
10720         (freqs_to_counts_path): Update.
10721         (clear_counts_path): Update.
10722         (ssa_fix_duplicate_block_edges): Update.
10723         (duplicate_thread_path): Update.
10724         * tree-switch-conversion.c (case_bit_test_cmp): Update.
10725         (struct switch_conv_info): Update.
10726         * tree-tailcall.c (decrease_profile): Update.
10727         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
10728         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10729         * value-prof.c (check_counter): Update.
10730         (gimple_divmod_fixed_value): Update.
10731         (gimple_mod_pow2): Update.
10732         (gimple_mod_subtract): Update.
10733         (gimple_ic_transform): Update.
10734         (gimple_stringop_fixed_value): Update.
10735         * value-prof.h (gimple_ic): Update.
10736
10737 2017-06-02  Carl Love  <cel@us.ibm.com>
10738
10739         * config/rs6000/rs6000-c: Add support for built-in functions
10740         vector double vec_doublee (vector signed int);
10741         vector double vec_doublee (vector unsigned int);
10742         vector double vec_doublee (vector float);
10743         vector double vec_doubleh (vector signed int);
10744         vector double vec_doubleh (vector unsigned int);
10745         vector double vec_doubleh (vector float);
10746         vector double vec_doublel (vector signed int);
10747         vector double vec_doublel (vector unsigned int);
10748         vector double vec_doublel (vector float);
10749         vector double vec_doubleo (vector signed int);
10750         vector double vec_doubleo (vector unsigned int);
10751         vector double vec_doubleo (vector float);.
10752         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
10753         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
10754         UNS_DOUBLEL.
10755         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
10756         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
10757         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
10758         VS_sxwsp.
10759         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
10760         vec_doublel, vec_doubleh.
10761         * doc/extend.texi: Update the built-in documentation file for the
10762         new built-in functions.
10763
10764 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
10765
10766         PR jit/80954
10767         * ipa-inline-analysis.c (free_growth_caches): Set
10768         edge_removal_hook_holder to NULL after removing it.
10769
10770 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
10771
10772         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
10773         comparision with zero.
10774
10775 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
10776         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
10777         for early expansion of vec_min and vec_max builtins.
10778         (builtin_function_type): Add min/max unsigned variants to those
10779         identified as having unsigned arguments.
10780
10781 2017-06-02  Olivier Hainque  <hainque@adacore.com>
10782
10783         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
10784
10785 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10786
10787         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
10788         Use VALL_F16 iterator rather than VALL.
10789
10790 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10791
10792         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
10793         Emit CBNZ inside loop when doing a strong exchange and comparing
10794         against zero.  Generate the CC flags after the loop.
10795
10796 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
10797
10798         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
10799         (dl_section_ref): New.
10800         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
10801         On AIX, append an expression to subtract the size of the
10802         section length to dl_section_ref.
10803
10804 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
10805
10806         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
10807         for early expansion of vector absolute builtins.
10808
10809 2017-06-02  Richard Biener  <rguenther@suse.de>
10810
10811         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
10812         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
10813
10814 2017-06-02  Richard Biener  <rguenther@suse.de>
10815
10816         PR tree-optimization/80948
10817         * tree-tailcall.c (find_tail_calls): Track stmts to move in
10818         stmt order as well.
10819
10820 2017-06-02  Richard Biener  <rguenther@suse.de>
10821
10822         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
10823         PHIs are ok.
10824         * tree-vect-stmts.c (process_use): Do not mark backedge defs
10825         for inductions as relevant.
10826
10827 2017-06-02  Richard Biener  <rguenther@suse.de>
10828
10829         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
10830         (vectorizable_induction): ... this.  Remove dead code.
10831
10832 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
10833
10834         * builtins. (expand_builtin_alloca): Remove second parameter and
10835         infer its value from the first parameter instead.
10836         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
10837
10838 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
10839
10840         PR rtl-optimization/80903
10841         * loop-doloop.c (add_test): Unshare sequence.
10842
10843 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10844
10845         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
10846
10847 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10848
10849         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
10850         static.
10851         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
10852         xlogue_layout::get_instance, logue_layout::xlogue_layout,
10853         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
10854         (xlogue_layout::get_stub_rtx): Make static.
10855         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
10856         (xlogue_layout::compute_stub_managed_regs): Rename to...
10857         (xlogue_layout::count_stub_managed_regs): ...this.
10858         (xlogue_layout::is_stub_managed_reg): New function.
10859         (xlogue_layout::m_stub_names): Rename to...
10860         (xlogue_layout::s_stub_names): ...this, make static.
10861         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
10862         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
10863         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
10864         xlogue_layout::s_stub_names): Instantiate statics.
10865         (stub_managed_regs): Remove.
10866         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
10867         (disable_call_ms2sysv_xlogues): Rename to...
10868         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
10869         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
10870         warning logic.
10871         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
10872         change after reload_completed.
10873         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
10874         directly.
10875         (ix86_expand_prologue): Likewise.
10876         (ix86_expand_epilogue): Likewise.
10877         (ix86_expand_split_stack_prologue): Likewise.
10878         (ix86_compute_frame_layout): Remove frame parameter ...
10879         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
10880         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
10881         only if necessary.
10882         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
10883         (ix86_frame): Move from here ...
10884         * config/i386/i386.h (ix86_frame): ... to here.
10885         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
10886         complete ix86_frame data structure instead.  Remove some_ld_name.
10887
10888 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
10889
10890         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
10891         symbols that hold a DECL_VALUE_EXPR.
10892
10893 2017-06-01  Martin Jambor  <mjambor@suse.cz>
10894
10895         PR tree-optimization/80898
10896         * tree-sra.c (process_subtree_disqualification): Removed.
10897         (disqualify_candidate): Do not acll
10898         process_subtree_disqualification.
10899         (subtree_mark_written_and_enqueue): New function.
10900         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
10901         RHS has been disqualified and re-queue LHS if necessary.  Apart
10902         from that, ignore disqualified RHS.
10903
10904 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10905
10906         * config/s390/s390.c (s390_emit_epilogue): Disable early return
10907         address fetch for z10 or later.
10908
10909 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
10910
10911         * config/arc/arc.md (tst_movb): Add guard when splitting.
10912
10913 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
10914
10915         * config/arc/arc.c (arc_can_eliminate): Test against
10916         arc_frame_pointer_needed.
10917
10918 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
10919
10920         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
10921         to prevent store reordering.
10922         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
10923         (type): Add block type.
10924         (stack_tie): Define special instruction to be used in
10925         expand_prologue.
10926
10927 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
10928
10929         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
10930         constraint. It is not valid for the pattern.
10931         (noncommutative_binary_comparison): Likewise.
10932
10933 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
10934
10935         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
10936         scaled addresses.
10937
10938 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
10939
10940         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
10941         be used by the reg-alloc.
10942
10943 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
10944
10945         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
10946         reg-alloc when having mul64 or mul32x16 instructions.
10947         (mulsidi3): Likewise.
10948         (umulsidi3): Likewise.
10949         (mulsi32x16): New pattern.
10950         (mulsi64): Likewise.
10951         (mulsidi64): Likewise.
10952         (umulsidi64): Likewise.
10953         (MUL32x16_REG): Define.
10954         (mul64_600): Use MUL32x16_REG.
10955         (mac64_600): Likewise.
10956         (umul64_600): Likewise.
10957         (umac64_600): Likewise.
10958
10959 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
10960
10961         * config/arc/arc.md (mulsi3_700): Make it commutative.
10962
10963 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
10964
10965         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
10966         type for movstouw.
10967         (*sign_extendsidi2_insn): Likewise for movstosw.
10968
10969 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
10970
10971         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
10972         the type of the input discriminant value.  Convert the
10973         discriminant value of signedness vary.
10974
10975 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
10976
10977         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
10978         Add to -Wall section.
10979
10980 2017-06-01  Richard Biener  <rguenther@suse.de>
10981
10982         PR middle-end/66313
10983         * fold-const.c (fold_plusminus_mult_expr): If the factored
10984         factor may be zero use a wrapping type for the inner operation.
10985         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
10986         and handle moved defs.
10987         (process_assignment): Properly guard the unary op case.  Return a
10988         tri-state indicating that moving the stmt before the call may allow
10989         to continue.  Pass through to_move.
10990         (find_tail_calls): Handle moving unrelated defs before
10991         the call.
10992
10993 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
10994
10995         PR target/80618
10996         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
10997         splitter result in the canonical way.
10998
10999 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
11000
11001         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
11002         also for 32bit target.  Update insn attributes.
11003         (zero-extendsidi2 splitter): Allow all registers for operand 1.
11004
11005 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
11006
11007         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
11008         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
11009         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
11010         (_mm_maskz_min_ss): New intrinsics.
11011
11012 2017-05-31  Martin Liska  <mliska@suse.cz>
11013
11014         * tree-vect-loop.c (vect_create_epilog_for_reduction):
11015         Change comment style to one we normally use.
11016         (vectorizable_reduction): Likewise.
11017         (vectorizable_induction): Likewise.
11018         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
11019         (vectorizable_call): Likewise.
11020         (vectorizable_simd_clone_call): Likewise.
11021         (vectorizable_conversion): Likewise.
11022         (vectorizable_assignment): Likewise.
11023         (vectorizable_shift): Likewise.
11024         (vectorizable_operation): Likewise.
11025         (vectorizable_store): Likewise.
11026         (vectorizable_load): Likewise.
11027         * tree-vectorizer.h: Likewise.
11028
11029 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
11030
11031         * passes.c (emergency_dump_function): New.
11032         * tree-pass.h (emergency_dump_function): Declare.
11033         * plugin.c (plugins_internal_error_function): Remove.
11034         * plugin.h (plugins_internal_error_function): Remove declaration.
11035         * toplev.c (internal_error_function): New static function.  Use it...
11036         (general_init): ...here.
11037
11038 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
11039
11040         * config/arc/arc.c (arc_print_operand): Handle constant operands.
11041         (arc_rtx_costs): Add costs for new patterns.
11042         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
11043         * config/arc/predicates.md: Add _1_2_3_operand predicate.
11044
11045 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
11046
11047         * tree-ssa-strlen.c (get_next_strinfo): New function.
11048         (get_stridx_plus_constant): Use it.
11049         (zero_length_string): Likewise.
11050         (adjust_related_strinfos): Likewise.
11051         (adjust_last_stmt): Likewise.
11052
11053 2017-05-31  Richard Biener  <rguenther@suse.de>
11054
11055         PR target/80880
11056         * config/i386/i386.c (ix86_expand_builtin): Remove assert
11057         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
11058
11059 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
11060
11061         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
11062         loop_vinfo argument and use of dependence distance vectors.
11063         Check instead whether the two references differ only in their
11064         initial value and assume that they have the same alignment if the
11065         difference is a multiple of the vector alignment.
11066         (vect_analyze_data_refs_alignment): Update call accordingly.
11067
11068 2017-05-31  Martin Liska  <mliska@suse.cz>
11069
11070         PR target/79155
11071         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
11072
11073 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
11074
11075         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
11076         (create_intersect_range_checks): Move from ...
11077         * tree-data-ref.c (create_intersect_range_checks_index)
11078         (create_intersect_range_checks): ... to here.
11079         (create_runtime_alias_checks): New function factored from ...
11080         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
11081         here.  Call above function.
11082         * tree-data-ref.h (create_runtime_alias_checks): New function.
11083
11084 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
11085
11086         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
11087         segment length for dr_b and compute it in wide_int.
11088
11089 2017-05-31  Richard Biener  <rguenther@suse.de>
11090
11091         PR tree-optimization/80906
11092         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
11093         and pass through iv_map.
11094         (copy_bb_and_scalar_dependences): Adjust.
11095         (translate_pending_phi_nodes): Likewise.
11096         (copy_loop_close_phi_args): Handle code-generating IVs instead
11097         of ICEing.
11098
11099 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
11100
11101         * diagnostic-color.c (color_dict): Add "type-diff".
11102         (parse_gcc_colors): Update comment.
11103         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
11104         -fdiagnostics-show-template-tree and -fno-elide-type.
11105         (GCC_COLORS): Add type-diff to example.
11106         (type-diff=): New.
11107         (-fdiagnostics-show-template-tree): New.
11108         (-fno-elide-type): New.
11109         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
11110         the pp_format_decoder callback.  Call any m_format_postprocessor's
11111         "handle" method.
11112         (pretty_printer::pretty_printer): Initialize
11113         m_format_postprocessor.
11114         (pretty_printer::~pretty_printer): Delete any
11115         m_format_postprocessor.
11116         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
11117         (class format_postprocessor): New class.
11118         (struct pretty_printer::format_decoder): Document the new parameters.
11119         (struct pretty_printer::m_format_postprocessor): New field.
11120         * tree-diagnostic.c (default_tree_printer): Update for new
11121         bool and const char ** params.
11122         * tree-diagnostic.h (default_tree_printer): Likewise.
11123
11124 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
11125
11126         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
11127         (lwa_operand): Delete rs6000_gen_cell_microcode test.
11128         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
11129         rs6000_gen_cell_microcode code.
11130         (rs6000_final_prescan_insn): Delete.
11131         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
11132         "warn-cell-microcode" entries.
11133         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
11134         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
11135         throughout.  Change cc_reg_not_micro_cr0_operand to
11136         cc_reg_not_cr0_operand throughout.
11137         (*extendhi<mode>2_noload): Delete.
11138         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
11139         (mwarn-cell-microcode): Delete.
11140         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
11141         -mgen-cell-microcode and -mwarn-cell-microcode.
11142
11143 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
11144
11145         PR target/80833
11146         * config/i386/constraints.md (Yd): New constraint.
11147         (Ye): Ditto.
11148         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
11149         and (?Yd, r) alternatives.  Update insn attributes.
11150         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
11151         and (?*Yd, r) alternatives.  Update insn attributes.
11152         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
11153
11154 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
11155
11156         * gimplify.c (gimplify_modify_expr): Don't create a
11157         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
11158         function.
11159
11160 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
11161
11162         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
11163
11164 2017-05-30  Richard Biener  <rguenther@suse.de>
11165
11166         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
11167         and reduc_def fields.
11168         (STMT_VINFO_REDUC_TYPE): New define.
11169         (STMT_VINFO_REDUC_DEF): Likewise.
11170         (vect_force_simple_reduction): Adjust prototype.
11171         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
11172         (vect_is_simple_reduction): Remove check_reduction argument.
11173         (vect_force_simple_reduction): Adjust and set
11174         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
11175         (vectorizable_reduction): Do not re-do reduction analysis
11176         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
11177         * tree-parloops.c (gather_scalar_reductions): Adjust.
11178
11179 2017-05-30  Richard Biener  <rguenther@suse.de>
11180
11181         PR middle-end/80901
11182         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
11183         split_edge code.
11184
11185 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
11186
11187         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
11188         Introduce unknown_misalignment parameter and remove vf.
11189         (vect_peeling_hash_get_lowest_cost):
11190         Pass unknown_misalignment parameter.
11191         (vect_enhance_data_refs_alignment):
11192         Fix unsupportable data ref treatment.
11193
11194 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
11195
11196         * tree-vect-data-refs.c (vect_get_data_access_cost):
11197         Workaround for SLP handling.
11198         (vect_enhance_data_refs_alignment):
11199         Compute costs for doing no peeling at all, compare to the best
11200         peeling costs so far and avoid peeling if cheaper.
11201
11202 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
11203
11204         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
11205         Return peeling info and set costs to zero for unlimited cost
11206         model.
11207         (vect_enhance_data_refs_alignment): Also inspect all datarefs
11208         with unknown misalignment. Compute and costs for unknown
11209         misalignment, compare them to the costs for known misalignment
11210         and choose the cheapest for peeling.
11211
11212 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
11213
11214         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
11215         (vect_get_peeling_costs_all_drs): Create function.
11216         (vect_peeling_hash_get_lowest_cost):
11217         Use vect_get_peeling_costs_all_drs.
11218         (vect_peeling_supportable): Create function.
11219         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
11220
11221 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
11222
11223         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
11224         DR_HAS_NEGATIVE_STEP.
11225         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
11226         (vect_enhance_data_refs_alignment): Use.
11227         (vect_duplicate_ssa_name_ptr_info): Use.
11228         * tree-vectorizer.h (dr_misalignment): Use.
11229         (known_alignment_for_access_p): Use.
11230
11231 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
11232
11233         PR target/78838
11234         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
11235         .lowtext.
11236         (has_section_name): New function.
11237
11238 2017-05-30  Martin Liska  <mliska@suse.cz>
11239
11240         PR other/80909
11241         * auto-profile.c (get_function_decl_from_block): Fix
11242         parenthesis.
11243
11244 2017-05-30  Richard Biener  <rguenther@suse.de>
11245
11246         PR middle-end/80876
11247         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
11248
11249 2017-05-30  Martin Liska  <mliska@suse.cz>
11250
11251         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
11252         * dumpfile.h (struct dump_file_info): Remove ctors.
11253
11254 2017-05-30  Martin Liska  <mliska@suse.cz>
11255
11256         * predict.def: Fix GNU coding style.
11257
11258 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
11259
11260         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
11261         Mark 'to' argument with ATTRIBUTE_UNUSED.
11262
11263 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
11264
11265         * config/xtensa/xtensa.c (xtensa_emit_call): Use
11266         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
11267         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
11268         format string.
11269
11270 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
11271
11272         * doc/install.texi (Options specification): Restore entry of
11273         --enable-sjlj-exceptions.
11274
11275 2017-05-27  Michael Eager  <eager@eagercon.com>
11276
11277         Revert:
11278         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11279
11280         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
11281
11282         * config/microblaze/microblaze.h
11283         (FIXED_REGISTERS): Update in macro.
11284         (CALL_USED_REGISTERS): Update in macro.
11285
11286 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
11287
11288         * doc/install.texi: Add links to macOS binary distributions.
11289
11290 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
11291
11292         PR bootstrap/80887
11293         Revert:
11294         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
11295
11296         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
11297
11298 2017-05-26  Martin Liska  <mliska@suse.cz>
11299
11300         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
11301
11302 2017-05-26  Martin Liska  <mliska@suse.cz>
11303
11304         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
11305         always leading ';; '.
11306         (dump_bb_info): Likewise.
11307         (brief_dump_cfg): Likewise.
11308         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
11309         * dumpfile.c: Remove usage of TDF_VERBOSE.
11310         * dumpfile.h (enum dump_kind): Likewise.
11311         (dump_gimple_bb_header): Do not use TDF_COMMENT.
11312         * print-tree.c (debug_verbose): Remove.
11313         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
11314         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
11315         * tree-diagnostic.c (default_tree_printer): Replace
11316         TDF_DIAGNOSTIC with TDF_SLIM.
11317
11318 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
11319
11320         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
11321         in parameter loop, rather than loop_vinfo.
11322         (create_intersect_range_checks): Ditto.
11323         (vect_create_cond_for_alias_checks): Update call to above functions.
11324
11325 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
11326
11327         PR tree-optimization/80815
11328         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
11329         for merging runtime alias checks.  Handle negative DR_STEPs.
11330
11331 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
11332
11333         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
11334         Move from ...
11335         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
11336         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
11337         out code pruning runtime alias checks.
11338         * tree-data-ref.c (prune_runtime_alias_test_list): New function
11339         factored out from above.
11340         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
11341         Move from ...
11342         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
11343         ... to here.
11344         (prune_runtime_alias_test_list): New decalaration.
11345
11346 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
11347
11348         * tree-vect-data-refs.c (compare_tree): Rename and move ...
11349         * tree-data-ref.c (data_ref_compare_tree): ... to here.
11350         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
11351         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
11352         (operator==, comp_dr_with_seg_len_pair): Ditto.
11353         (vect_prune_runtime_alias_test_list): Ditto.
11354
11355 2017-05-26  Martin Liska  <mliska@suse.cz>
11356
11357         PR ipa/80663
11358         * params.def: Bound partial-inlining-entry-probability param.
11359
11360 2017-05-26  Marek Polacek  <polacek@redhat.com>
11361
11362         PR sanitizer/80875
11363         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
11364         can be negated.
11365
11366 2017-05-26  Richard Biener  <rguenther@suse.de>
11367
11368         PR tree-optimization/80842
11369         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
11370         value.
11371
11372 2017-05-26  Richard Biener  <rguenther@suse.de>
11373
11374         PR tree-optimization/80844
11375         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
11376
11377 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
11378
11379         * doc/md.texi (Machine Constraints): Update x86 family
11380         machine constraints section to match 'config/i386/constraints.md'.
11381
11382 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
11383
11384         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
11385
11386 2017-05-25  Nathan Sidwell  <nathan@acm.org>
11387
11388         * doc/invoke.texi (--enable-languages): Update documentation.
11389
11390 2017-05-25  Martin Liska  <mliska@suse.cz>
11391
11392         * dumpfile.c: Add TDF_FOLDING.
11393         * dumpfile.h (enum dump_kind): Likewise.
11394         * genmatch.c (dt_simplify::gen_1): Use it.
11395
11396 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
11397
11398         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
11399
11400 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
11401
11402         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
11403         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
11404
11405 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
11406
11407         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
11408         * match.pd (X == C): Rewrite it here.
11409         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
11410         with_certain_nonzero_bits2): New predicates.
11411         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
11412
11413 2017-05-24  Nathan Sidwell  <nathan@acm.org>
11414
11415         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
11416         avoid warning.
11417
11418         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
11419         warning.
11420
11421 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
11422
11423         * config/powerpcspe: New port.  Files are copied from the rs6000
11424         port, with "rs6000" in filenames replaced by "powerpcspe".
11425
11426 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
11427
11428         PR rtl-optimization/80754
11429         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
11430
11431 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
11432
11433         * config/sparc/sparc.md (length): Return the correct value for -mflat
11434         sibcalls to match output_sibcall.
11435
11436 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
11437
11438         PR bootstrap/80860
11439         PR bootstrap/80843
11440         * config/rs6000/rs6000.c (struct machine_function): Add new field
11441         n_components.
11442         (rs6000_get_separate_components): Init that field, use it.
11443         (rs6000_components_for_bb): Use the field.
11444
11445 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
11446
11447         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
11448
11449 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
11450
11451         PR middle-end/80823
11452         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
11453
11454 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11455
11456         PR target/80725
11457         * config/s390/s390.c (s390_check_qrst_address): Check incoming
11458         address against address_operand predicate.
11459         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
11460
11461 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
11462
11463         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
11464         parameters passed indirectly.
11465
11466 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
11467
11468         * config/i386/i386.md (*movdi_internal): Remove SSE4
11469         alternative 18 (?r, *v).  Update insn attributes.
11470         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
11471         Update insn attributes.
11472         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
11473         Update insn attributes.
11474         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
11475         alternative 1 (r, v). Remove isa attribute.
11476         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
11477         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
11478         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
11479
11480 2017-05-23  Tom de Vries  <tom@codesourcery.com>
11481
11482         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
11483         dg-line directive.
11484
11485 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
11486
11487         * cgraphunit.c (symbol_table::process_new_functions): Update.
11488         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
11489         (inline_generate_summary): Rename to ...
11490         (ipa_fn_summary_generate): ... this one.
11491         (inline_read_summary): Rename to ...
11492         (ipa_fn_summary_read): ... this one.
11493         (inline_write_summary): Rename to ...
11494         (ipa_fn_summary_write): ... this one.
11495         (inline_free_summary): Rename to ...
11496         (ipa_free_fn_summary): ... this one.
11497         (pass_data_local_fn_summary, pass_local_fn_summary,
11498         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
11499         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
11500         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
11501         make_pass_ipa_fn_summary): New.
11502         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
11503         inline_write_summary, inline_free_summary): Remove.
11504         (ipa_free_fn_summary) : New.
11505         * ipa-inline.c (ipa_inline): Update.
11506         (pass_ipa_inline): Do not generate summaries.
11507         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
11508         Remove.
11509         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
11510         and add pass_ipa_fn_summary.
11511         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
11512         New.
11513         (make_pass_inline_parameters): Remove.
11514
11515 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
11516
11517         * omp-low.c (struct omp_context): Remove "default_kind" member.
11518         Adjust all users.
11519
11520         * omp-offload.c (execute_oacc_device_lower): Remove the
11521         parallelism dimensions function attributes for unparallelized
11522         OpenACC kernels constructs.
11523
11524 2017-05-23  Martin Liska  <mliska@suse.cz>
11525
11526         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
11527         functions.
11528         (cgraph_edge::make_speculative): Likewise.
11529         (cgraph_edge::resolve_speculation): Likewise.
11530         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
11531         (cgraph_node::dump): Likewise.
11532         * cgraph.h: Likewise.
11533         * cgraphunit.c (analyze_functions): Likewise.
11534         (symbol_table::compile): Likewise.
11535         * ipa-cp.c (print_all_lattices): Likewise.
11536         (determine_versionability): Likewise.
11537         (initialize_node_lattices): Likewise.
11538         (ipcp_verify_propagated_values): Likewise.
11539         (estimate_local_effects): Likewise.
11540         (update_profiling_info): Likewise.
11541         (create_specialized_node): Likewise.
11542         (perhaps_add_new_callers): Likewise.
11543         (decide_about_value): Likewise.
11544         (decide_whether_version_node): Likewise.
11545         (identify_dead_nodes): Likewise.
11546         (ipcp_store_bits_results): Likewise.
11547         * ipa-devirt.c (dump_targets): Likewise.
11548         (ipa_devirt): Likewise.
11549         * ipa-icf.c (sem_item::dump): Likewise.
11550         (sem_function::equals): Likewise.
11551         (sem_variable::equals): Likewise.
11552         (sem_item_optimizer::read_section): Likewise.
11553         (sem_item_optimizer::execute): Likewise.
11554         (congruence_class::dump): Likewise.
11555         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
11556         (dump_inline_summary): Likewise.
11557         (estimate_node_size_and_time): Likewise.
11558         (inline_analyze_function): Likewise.
11559         * ipa-inline-transform.c (inline_call): Likewise.
11560         * ipa-inline.c (report_inline_failed_reason): Likewise.
11561         (want_early_inline_function_p): Likewise.
11562         (edge_badness): Likewise.
11563         (update_edge_key): Likewise.
11564         (inline_small_functions): Likewise.
11565         * ipa-profile.c (ipa_profile): Likewise.
11566         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
11567         (ipa_make_edge_direct_to_target): Likewise.
11568         (remove_described_reference): Likewise.
11569         (ipa_impossible_devirt_target): Likewise.
11570         (propagate_controlled_uses): Likewise.
11571         (ipa_print_node_params): Likewise.
11572         (ipcp_transform_function): Likewise.
11573         * ipa-pure-const.c (pure_const_read_summary): Likewise.
11574         (propagate_pure_const): Likewise.
11575         * ipa-reference.c (generate_summary): Likewise.
11576         (read_write_all_from_decl): Likewise.
11577         (propagate): Likewise.
11578         (ipa_reference_read_optimization_summary): Likewise.
11579         * ipa-utils.c (ipa_merge_profiles): Likewise.
11580         * ipa.c (walk_polymorphic_call_targets): Likewise.
11581         (symbol_table::remove_unreachable_nodes): Likewise.
11582         (ipa_single_use): Likewise.
11583         * passes.c (execute_todo): Likewise.
11584         * predict.c (drop_profile): Likewise.
11585         * symtab.c (symtab_node::get_dump_name): New function.
11586         (symtab_node::dump_name): Likewise.
11587         (symtab_node::dump_asm_name): Likewise.
11588         (symtab_node::dump_references): Likewise.
11589         (symtab_node::dump_referring): Likewise.
11590         (symtab_node::dump_base): Likewise.
11591         (symtab_node::debug_symtab): Likewise.
11592         * tree-sra.c (convert_callers_for_node): Likewise.
11593         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
11594         * value-prof.c (init_node_map): Likewise.
11595
11596 2017-05-23  Martin Liska  <mliska@suse.cz>
11597
11598         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
11599         and symtab_node::debug_symtab to symbol_table::debug.
11600         * cgraphunit.c (analyze_functions): Use the renamed function.
11601         (symbol_table::compile): Likewise.
11602         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
11603         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
11604         * passes.c (execute_todo): Likewise.
11605         * symtab.c (symbol_table::dump): New function.
11606         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
11607
11608 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
11609
11610         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
11611         that nonconst implies exec.
11612
11613 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
11614
11615         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
11616         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
11617         (inline_edge_summary_vec): Turn into ...
11618         (ipa_call_summaries): ... this one.
11619         (redirect_to_unreachable, edge_set_predicate,
11620         evaluate_properties_for_edge, inline_summary_alloc,
11621         reset_ipa_call_summary, reset_inline_summary,
11622         inline_summary_t::duplicate): Update.
11623         (inline_edge_duplication_hook): Turn to ...
11624         (ipa_call_summary_t::duplicate): ... this one.
11625         (inline_edge_removal_hook): Turn to ...
11626         (ipa_call_summary_t::remove): ... this one.
11627         (dump_inline_edge_summary): Turn to ...
11628         (dump_ipa_call_summary): ... this one.
11629         (estimate_function_body_sizes): Update.
11630         (inline_update_callee_summaries): Update.
11631         (remap_edge_change_prob): Update.
11632         (remap_edge_summaries): Update.
11633         (inline_merge_summary): Update.
11634         (do_estimate_edge_time): Update.
11635         (inline_generate_summary): Update.
11636         (inline_read_section): Update.
11637         (inline_read_summary): Update.
11638         (inline_free_summary): Update.
11639         * ipa-inline.c (can_inline_edge_p): Update.
11640         (compute_inlined_call_time): Update.
11641         (want_inline_small_function_p): Update.
11642         (edge_badness): Update.
11643         (early_inliner): Update.
11644         * ipa-inline.h (inline_edge_summary): Turn to ...
11645         (ipa_call_summary): ... this one.
11646         (ipa_call_summary_t): New class.
11647         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
11648         (ipa_call_summaries): New.
11649         (inline_edge_summary): Remove.
11650         (estimate_edge_growth): Update.
11651         * ipa-profile.c (ipa_propagate_frequency_1): Update.
11652         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
11653         * ipa-split.c (execute_split_functions): Update.
11654         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
11655
11656 2017-05-23  Tom de Vries  <tom@codesourcery.com>
11657
11658         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
11659         attributes): Document rdrand effective target.
11660
11661 2017-05-23  Tom de Vries  <tom@codesourcery.com>
11662
11663         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
11664         attributes): Sort alphabetically.
11665
11666 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
11667
11668         * config/avr/genmultilib.awk: Use gsub instead of gensub.
11669
11670 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
11671
11672         PR target/80718
11673         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
11674         V2DF/V2DI splat into two separate patterns, one that handles
11675         registers, and the other that only handles memory.  Drop support
11676         for splatting from a GPR on ISA 2.07 and then splitting the
11677         splat into direct move and splat.
11678         (vsx_splat_<mode>_reg): Likewise.
11679         (vsx_splat_<mode>_mem): Likewise.
11680
11681 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
11682
11683         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
11684
11685 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
11686
11687         PR middle-end/80809
11688         * omp-low.c (finish_taskreg_remap): New function.
11689         (finish_taskreg_scan): If unit size of ctx->record_type
11690         is non-constant, unshare the size expression and replace
11691         decls in it with possible outer var refs.
11692
11693         PR middle-end/80809
11694         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
11695         GOVD_SHARED rather than GOVD_PRIVATE with it.
11696         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
11697         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
11698
11699         PR middle-end/80853
11700         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
11701         as last argument to build_outer_var_ref for pointer bases of array
11702         section reductions.
11703
11704 2017-05-19  Martin Sebor  <msebor@redhat.com>
11705
11706         * print-tree.c (print_node): Print DECL_READ_P flag.
11707
11708 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11709
11710         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
11711         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
11712         * cgraph.c: Likewise.
11713         * cgraphunit.c: Likewise.
11714         * gengtype.c: Likewise.
11715         * ipa-cp.c: Likewise.
11716         * ipa-devirt.c: Likewise.
11717         * ipa-icf.c: Likewise.
11718         * ipa-predicate.c: Likewise.
11719         * ipa-profile.c: Likewise.
11720         * ipa-prop.c: Likewise.
11721         * ipa-split.c: Likewise.
11722         * ipa.c: Likewise.
11723         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
11724         edge_predicate_pool, dump_inline_hints,
11725         inline_summary::account_size_time, redirect_to_unreachable,
11726         edge_set_predicate, set_hint_predicate,
11727         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
11728         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
11729         inline_summary_t::remove, remap_hint_predicate_after_duplication,
11730         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
11731         ipa_call_summary_t::remove, initialize_growth_caches,
11732         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
11733         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
11734         mark_modified, unmodified_parm_1, unmodified_parm,
11735         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
11736         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
11737         compute_bb_predicates, will_be_nonconstant_expr_predicate,
11738         will_be_nonconstant_predicate, record_modified_bb_info,
11739         get_minimal_bb, record_modified, param_change_prob,
11740         phi_result_unknown_predicate, predicate_for_phi_result,
11741         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
11742         estimate_function_body_sizes, compute_inline_parameters,
11743         compute_inline_parameters_for_curren, pass_data_inline_parameters,
11744         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
11745         inline_update_callee_summaries, remap_edge_change_prob,
11746         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
11747         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
11748         inline_analyze_function, inline_summary_t::insert,
11749         inline_generate_summary, read_ipa_call_summary, inline_read_section,
11750         inline_read_summary, write_ipa_call_summary, inline_write_summary,
11751         inline_free_summary): Move to ipa-fnsummary.h
11752         (predicate_t): Remove.
11753         * ipa-fnsummary.c: New file.
11754         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
11755         (enum inline_hints_vals, inline_hints, agg_position_info,
11756         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
11757         inline_summaries, ipa_call_summary, ipa_call_summary_t,
11758         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
11759         dump_inline_summary, dump_inline_hints, inline_generate_summary,
11760         inline_read_summary, inline_write_summary, inline_free_summary,
11761         inline_analyze_function, initialize_inline_failed,
11762         inline_merge_summary, inline_update_overall_summary,
11763         compute_inline_parameters): Move to ipa-fnsummary.h
11764         * ipa-fnsummary.h: New file.
11765         * ipa-inline-transform.h: Include ipa-inline.h.
11766         * ipa-inline.c: LIkewise.
11767
11768 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11769
11770         * ipa-inline.c (edge_badness): Use inlined_time instead of
11771         inline_summaries->get.
11772
11773 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11774
11775         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
11776
11777 2017-05-22  Nathan Sidwell  <nathan@acm.org>
11778
11779         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
11780         (fdump-lang): Document 'raw' option.
11781         * dumpfile.h (TDI_tu): Delete.
11782         * dumpfile.c (dump_files): Remove translation-unit.
11783         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
11784
11785 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
11786
11787         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
11788         command option from $(AWK) call.
11789         * config/avr/genmultilib.awk: Simplify and rewrite so that it
11790         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
11791         [FORMAT]: Remove handling of variable.
11792         * config/avr/t-multilib: Regenerate.
11793
11794 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11795
11796         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
11797         self_time.
11798         (dump_inline_summary): Do not print self_time.
11799         (estimate_function_body_sizes): Do not set self_time.
11800         (compute_inline_parameters): Likewise.
11801         (inline_read_section, inline_write_summary): Do not stream self_time.
11802         * ipa-inline.h (inline_summary): Drop self_time.
11803
11804 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11805
11806         * ipa-inline-analysis.c (account_size_time): Rename to ...
11807         (inline_summary::account_size_time): ... this one.
11808         (reset_ipa_call_summary): Turn to ...
11809         (ipa_call_summary::reset): ... this one.
11810         (reset_inline_summary): Turn to ...
11811         (inline_summary::reset): ... this one.
11812         (inline_summary_t::remove): Update.
11813         (inline_summary_t::duplicate): Update.
11814         (ipa_call_summary_t::remove): Update.
11815         (dump_inline_summary): Update.
11816         (estimate_function_body_sizes): Update.
11817         (compute_inline_parameters): Update.
11818         (estimate_node_size_and_time): Update.
11819         (inline_merge_summary): Update.
11820         (inline_update_overall_summary): Update.
11821         (inline_read_section): Update.
11822         (inline_write_summary): Update.
11823         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
11824         add account_size_time and reset member functions.
11825         (ipa_call_summary): Add reset function.
11826         * ipa-predicate.h (predicate::operator &): Constify.
11827
11828 2017-05-22  Richard Biener  <rguenther@suse.de>
11829
11830         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
11831
11832 2017-05-19  Jason Merrill  <jason@redhat.com>
11833
11834         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
11835
11836 2017-05-19  Marek Polacek  <polacek@redhat.com>
11837
11838         PR sanitizer/80800
11839         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
11840         TYPE_OVERFLOW_WRAPS checks.
11841
11842 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
11843
11844         * tree-core.h (enum omp_clause_default_kind): Add
11845         "OMP_CLAUSE_DEFAULT_PRESENT".
11846         * tree-pretty-print.c (dump_omp_clause): Handle it.
11847         * gimplify.c (enum gimplify_omp_var_data): Add
11848         "GOVD_MAP_FORCE_PRESENT".
11849         (gimplify_adjust_omp_clauses_1): Map it to
11850         "GOMP_MAP_FORCE_PRESENT".
11851         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
11852
11853         * gimplify.c (oacc_default_clause): Clarify.
11854
11855 2017-05-19  Nathan Sidwell  <nathan@acm.org>
11856
11857         LANG_HOOK_REGISTER_DUMPS
11858         * toplev.c (general_init): Call register dump lang hook.
11859         * doc/invoke.texi: Document -fdump-lang option family.
11860         * dumpfile.c (dump_files): Remove class dump here.
11861         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
11862         * dumpfile.h (tree_dump_index): Remove TDI_class.
11863         * langhooks-def.h (lhd_register_dumps): Declare.
11864         (LANG_HOOKS_REGISTER_DUMPS): Define.
11865         (LANG_HOOKS_INITIALIZER): Add it.
11866         * langhooks.c (lhd_register_dumps): Define.
11867         * langhooks.h (struct lang_hooks): Add register_dumps.
11868
11869 2017-05-19  Nathan Sidwell  <nathan@acm.org>
11870
11871         * context.h (context::set_passes): New.
11872         * context.c (context::context): Do not create pass manager.
11873         * toplev.c (general_init): Create pass manager here.
11874
11875 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
11876
11877         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
11878         use this splitter if two add or or instructions would also work for
11879         the constant we want to generate.
11880
11881 2017-05-19  Richard Biener  <rguenther@suse.de>
11882
11883         PR build/80821
11884         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
11885         predicate evaluation.
11886
11887 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
11888
11889         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
11890         add ctor.
11891         * ipa-inline.c (want_inline_small_function_p): Do not cast to
11892         unsigned.
11893
11894 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
11895
11896         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
11897         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
11898         (inline_edge_summary_vec): Turn into ...
11899         (ipa_call_summaries): ... this one.
11900         (redirect_to_unreachable, edge_set_predicate,
11901         evaluate_properties_for_edge, inline_summary_alloc,
11902         reset_ipa_call_summary, reset_inline_summary,
11903         inline_summary_t::duplicate): Update.
11904         (inline_edge_duplication_hook): Turn to ...
11905         (ipa_call_summary_t::duplicate): ... this one.
11906         (inline_edge_removal_hook): Turn to ...
11907         (ipa_call_summary_t::remove): ... this one.
11908         (dump_inline_edge_summary): Turn to ...
11909         (dump_ipa_call_summary): ... this one.
11910         (estimate_function_body_sizes): Update.
11911         (inline_update_callee_summaries): Update.
11912         (remap_edge_change_prob): Update.
11913         (remap_edge_summaries): Update.
11914         (inline_merge_summary): Update.
11915         (do_estimate_edge_time): Update.
11916         (inline_generate_summary): Update.
11917         (inline_read_section): Update.
11918         (inline_read_summary): Update.
11919         (inline_free_summary): Update.
11920         * ipa-inline.c (can_inline_edge_p): Update.
11921         (compute_inlined_call_time): Update.
11922         (want_inline_small_function_p): Update.
11923         (edge_badness): Update.
11924         (early_inliner): Update.
11925         * ipa-inline.h (inline_edge_summary): Turn to ...
11926         (ipa_call_summary): ... this one.
11927         (ipa_call_summary_t): New class.
11928         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
11929         (ipa_call_summaries): New.
11930         (inline_edge_summary): Remove.
11931         (estimate_edge_growth): Update.
11932         * ipa-profile.c (ipa_propagate_frequency_1): Update.
11933         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
11934         * ipa-split.c (execute_split_functions): Update.
11935         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
11936
11937 2017-05-19  Richard Biener  <rguenther@suse.de>
11938
11939         PR middle-end/80764
11940         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
11941
11942 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
11943
11944         * config/rs6000/rs6000.c (struct machine_function): Add field
11945         fpr_is_wrapped_separately.
11946         (rs6000_get_separate_components): Use 64 components.  Handle the
11947         new FPR components.
11948         (rs6000_components_for_bb): Handle the FPR components.
11949         (rs6000_emit_prologue_components): Handle the FPR components.
11950         (rs6000_emit_epilogue_components): Handle the FPR components.
11951         (rs6000_set_handled_components): Handle the FPR components.
11952         (rs6000_emit_prologue): Don't output prologue code for those FPRs
11953         that are already separately shrink-wrapped.
11954         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
11955         that are already separately shrink-wrapped.
11956
11957 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11958
11959         PR target/80510
11960         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
11961         New predicate.
11962
11963         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
11964         (define_peephole2 for Altivec d-form load): Add peepholes to catch
11965         cases where the register allocator uses a move and an offsettable
11966         memory operation to/from a FPR register on ISA 2.06/2.07.
11967         (define_peephole2 for Altivec d-form store): Likewise.
11968
11969 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
11970
11971         PR target/80799
11972         * config/i386/mmx.md (*mov<mode>_internal): Enable
11973         alternatives 11, 12, 13 and 14 also for 32bit targets.
11974         Remove alternatives 15, 16, 17 and 18.
11975         * config/i386/sse.md (vec_concatv2di): Change
11976         alternative (!x, *y) to (x, ?!*Yn).
11977
11978 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
11979
11980         * dumpfile.h (enum dump_kind): Remove stray comma.
11981
11982 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
11983
11984         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
11985         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
11986         predicate::num_conditions
11987         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
11988         (CHANGED): turn into predicate::changed.
11989         (agg_position_info): Move to ipa-predicate.h
11990         (add_condition, predicate::add_clause, predicate::operator &=,
11991         predicate::or_with, predicate::evaluate, predicate::probability,
11992         dump_condition, dump_clause, predicate::dump,
11993         predicate::remap_after_duplication, predicate::remap_after_inlining,
11994         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
11995         (evaluate_conditions_for_known_args): Update.
11996         (set_cond_stmt_execution_predicate): Update.
11997         * ipa-inline.h: Include ipa-predicate.h
11998         (condition, inline_param_summary, conditions, agg_position_info,
11999         predicate): Move to ipa-predicate.h
12000         * ipa-predicate.c: New file.
12001         * ipa-predicate.h: New file.
12002
12003 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
12004
12005         * final.c (leaf_function_p): Check we are not in a sequence.
12006
12007 2017-05-18  Martin Liska  <mliska@suse.cz>
12008
12009         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
12010         * dumpfile.c (dump_register): Use new enum dump_kind.
12011         (get_dump_file_name): Likewise.
12012         (dump_enable_all): Likewise.
12013         (dump_switch_p_1): Likewise.
12014         (enable_rtl_dump_file): Remove usage of TDF_RTL.
12015         * dumpfile.h (enum dump_kind): New enum type.
12016         (struct dump_file_info): Create constructor and
12017         format fields and comments.
12018         * passes.c (pass_manager::register_one_dump_file):
12019         Use num dump_kind.
12020         * statistics.c (statistics_early_init): Likewise.
12021         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
12022         TDF_TREE with TDF_SLIM.
12023         (gather_memory_references_ref): Likewise.
12024
12025 2017-05-18  Martin Liska  <mliska@suse.cz>
12026
12027         * vec.h (struct vnull): Use it.
12028
12029 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
12030
12031         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
12032         (true_predicate, false_predicate, true_predicate_p,
12033         false_predicate_p): Remove.
12034         (single_cond_predicate, not_inlined_predicate): Turn to member function
12035         in ipa-inline.h
12036         (add_condition): Update.
12037         (add_clause): Turn to...
12038         (predicate::add_clause): ... this one; update; allow passing NULL
12039         as parameter.
12040         (and_predicates): Turn to ...
12041         (predicate::operator &=): ... this one.
12042         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
12043         (or_predicates): Turn to ...
12044         (predicate::or_with): ... this one.
12045         (evaluate_predicate): Turn to ...
12046         (predicate::evaluate): ... this one.
12047         (predicate_probability): Turn to ...
12048         (predicate::probability): ... this one.
12049         (dump_condition): Update.
12050         (dump_predicate): Turn to ...
12051         (predicate::dump): ... this one.
12052         (account_size_time): Update.
12053         (edge_set_predicate): Update.
12054         (set_hint_predicate): UPdate.
12055         (evaluate_conditions_for_known_args): Update.
12056         (evaluate_properties_for_edge): Update.
12057         (remap_predicate_after_duplication): Turn to...
12058         (predicate::remap_after_duplication): ... this one.
12059         (remap_hint_predicate_after_duplication): Update.
12060         (inline_summary_t::duplicate): UPdate.
12061         (dump_inline_edge_summary): Update.
12062         (dump_inline_summary): Update.
12063         (set_cond_stmt_execution_predicate): Update.
12064         (set_switch_stmt_execution_predicate): Update.
12065         (compute_bb_predicates): Update.
12066         (will_be_nonconstant_expr_predicate): Update.
12067         (will_be_nonconstant_predicate): Update.
12068         (phi_result_unknown_predicate): Update.
12069         (predicate_for_phi_result): Update.
12070         (array_index_predicate): Update.
12071         (estimate_function_body_sizes): Update.
12072         (estimate_node_size_and_time): Update.
12073         (estimate_ipcp_clone_size_and_time): Update.
12074         (remap_predicate): Rename to ...
12075         (predicate::remap_after_inlining): ... this one.
12076         (remap_hint_predicate): Update.
12077         (inline_merge_summary): Update.
12078         (inline_update_overall_summary): Update.
12079         (estimate_size_after_inlining): Update.
12080         (read_predicate): Rename to ...
12081         (predicate::stream_in): ... this one.
12082         (read_inline_edge_summary): Update.
12083         (write_predicate): Rename to ...
12084         (predicate::stream_out): ... this one.
12085         (write_inline_edge_summary): Update.
12086         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
12087         (clause_t): Turn to uint32_t
12088         (predicate): Turn to class; implement constructor and operators
12089         ==, !=, &
12090         (size_time_entry): Update.
12091         (inline_summary): Update.
12092         (inline_edge_summary): Update.
12093
12094 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
12095
12096         * fold-const.c (fold_binary_loc): Move transformation...
12097         * match.pd (C - X CMP X): ... here.
12098
12099 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
12100
12101         * config/sparc/sparc.c (sparc_option_override): Set function
12102         alignment for -mcpu=niagara7 to 64 to match the I$ line.
12103         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
12104         latency to 1.
12105         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
12106         latency to 2.
12107         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
12108
12109 2017-05-18  Marek Polacek  <polacek@redhat.com>
12110
12111         PR sanitizer/80797
12112         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
12113         (pass_ubsan::execute): Call gimple_assign_single_p instead of
12114         gimple_assign_load_p.
12115
12116 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
12117
12118         PR middle-end/80692
12119         * real.c (do_compare): Give decimal_do_compare preference over
12120         comparing just the signs.
12121
12122 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
12123
12124         * doc/md.texi (Canonicalization of Instructions): Describe the
12125         canonical form of instructions that inherently set a condition
12126         code register.
12127
12128 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
12129
12130         PR middle-end/80775
12131         * tree-cfg.c: Move deletion of unreachable case statements to after
12132         the merging of consecutive case labels.
12133
12134 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12135
12136         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
12137         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
12138         restoring of callee-saved registers.
12139
12140 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
12141
12142         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
12143         * config/visium/visium.c (single_set_and_flags): Likewise.
12144         * config/visium/visium.md (Substitutions): Likewise.
12145
12146 2017-05-17  Martin Liska  <mliska@suse.cz>
12147
12148         * cfg.c: Introduce dump_flags_t type and
12149         use it instead of int type.
12150         * cfg.h: Likewise.
12151         * cfghooks.c: Likewise.
12152         * cfghooks.h (struct cfg_hooks): Likewise.
12153         * cfgrtl.c: Likewise.
12154         * cfgrtl.h: Likewise.
12155         * cgraph.c (cgraph_node::get_body): Likewise.
12156         * coretypes.h: Likewise.
12157         * domwalk.c: Likewise.
12158         * domwalk.h: Likewise.
12159         * dumpfile.c (struct dump_option_value_info): Likewise.
12160         (dump_enable_all): Likewise.
12161         (dump_switch_p_1): Likewise.
12162         (opt_info_switch_p): Likewise.
12163         * dumpfile.h (enum tree_dump_index): Likewise.
12164         (struct dump_file_info): Likewise.
12165         * genemit.c: Likewise.
12166         * generic-match-head.c: Likewise.
12167         * gengtype.c (open_base_files): Likewise.
12168         * gimple-pretty-print.c: Likewise.
12169         * gimple-pretty-print.h: Likewise.
12170         * graph.c (print_graph_cfg): Likewise.
12171         * graphite-scop-detection.c (dot_all_sese): Likewise.
12172         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
12173         * loop-unroll.c (report_unroll): Likewise.
12174         * passes.c (pass_manager::register_one_dump_file): Likewise.
12175         * print-tree.c: Likewise.
12176         * statistics.c: Likewise.
12177         * tree-cfg.c: Likewise.
12178         * tree-cfg.h: Likewise.
12179         * tree-dfa.c: Likewise.
12180         * tree-dfa.h: Likewise.
12181         * tree-dump.c (dump_function): Likewise.
12182         * tree-dump.h (struct dump_info): Likewise.
12183         * tree-pretty-print.c: Likewise.
12184         * tree-pretty-print.h: Likewise.
12185         * tree-ssa-live.c: Likewise.
12186         * tree-ssa-live.h: Likewise.
12187         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
12188         * tree-vect-loop.c: Likewise.
12189         * tree-vect-slp.c: Likewise.
12190
12191 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
12192             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12193
12194         PR tree-optimization/80457
12195         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
12196         of all arguments to a statement as scalar_to_vec operations.
12197         (vectorizable_call): Adjust call to vect_model_simple_cost for
12198         new parameter.
12199         (vectorizable_conversion): Likewise.
12200         (vectorizable_assignment): Likewise.
12201         (vectorizable_shift): Likewise.
12202         (vectorizable_operation): Likewise.
12203         (vectorizable_comparison): Likewise.
12204         (vect_is_simple_cond): Record the def types for operands.
12205         (vectorizable_condition): Likewise, call vect_model_simple_cost.
12206         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
12207         for statement argument count.
12208
12209 2017-05-16  Carl Love  <cel@us.ibm.com>
12210
12211         * config/rs6000/rs6000-c: Add support for built-in functions
12212         vector unsigned long long vec_bperm (vector unsigned long long,
12213                                              vector unsigned char)
12214         vector signed long long vec_mule (vector signed int,
12215                                           vector signed int)
12216         vector unsigned long long vec_mule (vector unsigned int,
12217                                             vector unsigned int)
12218         vector signed long long vec_mulo (vector signed int,
12219                                           vector signed int)
12220         vector unsigned long long vec_mulo (vector unsigned int,
12221                                             vector unsigned int)
12222         vector signed char vec_sldw (vector signed char,
12223                                      vector signed char,
12224                                      const int)
12225         vector unsigned char vec_sldw (vector unsigned char,
12226                                        vector unsigned char,
12227                                        const int)
12228         vector signed short vec_sldw (vector signed short,
12229                                       vector signed short,
12230                                       const int)
12231         vector unsigned short vec_sldw (vector unsigned short,
12232                                         vector unsigned short,
12233                                         const int)
12234         vector signed int vec_sldw (vector signed int,
12235                                     vector signed int,
12236                                     const int)
12237         vector unsigned int vec_sldw (vector unsigned int,
12238                                       vector unsigned int,
12239                                       const int)
12240         vector signed long long vec_sldw (vector signed long long,
12241                                           vector signed long long,
12242                                           const int)
12243         vector unsigned long long vec_sldw (vector unsigned long long,
12244                                             vector unsigned long long,
12245                                             const int)
12246         * config/rs6000/rs6000-c: Add support for built-in functions
12247         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
12248         * config/rs6000/altivec.h: Add defintion for vec_sldw.
12249         * doc/extend.texi: Update the built-in documentation for the
12250         new built-in functions.
12251
12252 2017-05-16  Marek Polacek  <polacek@redhat.com>
12253
12254         PR sanitizer/80536
12255         PR sanitizer/80386
12256         * tree.c (save_expr): Don't fold the expression.
12257
12258 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
12259
12260         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
12261         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
12262         and (?*y,m).  Update insn attributes.
12263
12264 2017-05-16  Martin Liska  <mliska@suse.cz>
12265
12266         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
12267         flags argument of print_gimple_stmt, print_gimple_expr,
12268         print_generic_stmt and print_generic_expr.
12269         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
12270         * coretypes.h: Likewise.
12271         * except.c (dump_eh_tree): Likewise.
12272         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
12273         * gimple-pretty-print.h: Likewise.
12274         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
12275         (backprop::push_to_worklist): Likewise.
12276         (backprop::pop_from_worklist): Likewise.
12277         (backprop::process_use): Likewise.
12278         (backprop::intersect_uses): Likewise.
12279         (note_replacement): Likewise.
12280         * gimple-ssa-store-merging.c
12281         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
12282         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
12283         (pass_store_merging::execute): Likewise.
12284         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
12285         (ssa_base_cand_dump_callback): Likewise.
12286         (dump_incr_vec): Likewise.
12287         (replace_refs): Likewise.
12288         (replace_mult_candidate): Likewise.
12289         (create_add_on_incoming_edge): Likewise.
12290         (create_phi_basis): Likewise.
12291         (insert_initializers): Likewise.
12292         (all_phi_incrs_profitable): Likewise.
12293         (introduce_cast_before_cand): Likewise.
12294         (replace_one_candidate): Likewise.
12295         * gimplify.c (gimplify_expr): Likewise.
12296         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
12297         (set_rename): Likewise.
12298         (rename_uses): Likewise.
12299         (copy_loop_phi_nodes): Likewise.
12300         (add_close_phis_to_merge_points): Likewise.
12301         (copy_loop_close_phi_args): Likewise.
12302         (copy_cond_phi_args): Likewise.
12303         (graphite_copy_stmts_from_block): Likewise.
12304         (translate_pending_phi_nodes): Likewise.
12305         * graphite-poly.c (print_pdr): Likewise.
12306         (dump_gbb_cases): Likewise.
12307         (dump_gbb_conditions): Likewise.
12308         (print_scop_params): Likewise.
12309         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
12310         (build_cross_bb_scalars_use): Likewise.
12311         (gather_bbs::before_dom_children): Likewise.
12312         * hsa-dump.c (dump_hsa_immed): Likewise.
12313         * ipa-cp.c (print_ipcp_constant_value): Likewise.
12314         (get_replacement_map): Likewise.
12315         * ipa-inline-analysis.c (dump_condition): Likewise.
12316         (estimate_function_body_sizes): Likewise.
12317         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
12318         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
12319         * ipa-prop.c (ipa_dump_param): Likewise.
12320         (ipa_print_node_jump_functions_for_edge): Likewise.
12321         (ipa_modify_call_arguments): Likewise.
12322         (ipa_modify_expr): Likewise.
12323         (ipa_dump_param_adjustments): Likewise.
12324         (ipa_dump_agg_replacement_values): Likewise.
12325         (ipcp_modif_dom_walker::before_dom_children): Likewise.
12326         * ipa-pure-const.c (check_stmt): Likewise.
12327         (pass_nothrow::execute): Likewise.
12328         * ipa-split.c (execute_split_functions): Likewise.
12329         * omp-offload.c (dump_oacc_loop_part): Likewise.
12330         (dump_oacc_loop): Likewise.
12331         * trans-mem.c (tm_log_emit): Likewise.
12332         (tm_memopt_accumulate_memops): Likewise.
12333         (dump_tm_memopt_set): Likewise.
12334         (dump_tm_memopt_transform): Likewise.
12335         * tree-cfg.c (gimple_verify_flow_info): Likewise.
12336         (print_loop): Likewise.
12337         * tree-chkp-opt.c (chkp_print_addr): Likewise.
12338         (chkp_gather_checks_info): Likewise.
12339         (chkp_get_check_result): Likewise.
12340         (chkp_remove_check_if_pass): Likewise.
12341         (chkp_use_outer_bounds_if_possible): Likewise.
12342         (chkp_reduce_bounds_lifetime): Likewise.
12343         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
12344         (chkp_mark_completed_bounds): Likewise.
12345         (chkp_register_incomplete_bounds): Likewise.
12346         (chkp_mark_invalid_bounds): Likewise.
12347         (chkp_maybe_copy_and_register_bounds): Likewise.
12348         (chkp_build_returned_bound): Likewise.
12349         (chkp_get_bound_for_parm): Likewise.
12350         (chkp_build_bndldx): Likewise.
12351         (chkp_get_bounds_by_definition): Likewise.
12352         (chkp_generate_extern_var_bounds): Likewise.
12353         (chkp_get_bounds_for_decl_addr): Likewise.
12354         * tree-chrec.c (chrec_apply): Likewise.
12355         * tree-data-ref.c (dump_data_reference): Likewise.
12356         (dump_subscript): Likewise.
12357         (dump_data_dependence_relation): Likewise.
12358         (analyze_overlapping_iterations): Likewise.
12359         * tree-inline.c (expand_call_inline): Likewise.
12360         (tree_function_versioning): Likewise.
12361         * tree-into-ssa.c (dump_defs_stack): Likewise.
12362         (dump_currdefs): Likewise.
12363         (dump_names_replaced_by): Likewise.
12364         (dump_update_ssa): Likewise.
12365         (update_ssa): Likewise.
12366         * tree-object-size.c (pass_object_sizes::execute): Likewise.
12367         * tree-parloops.c (build_new_reduction): Likewise.
12368         (try_create_reduction_list): Likewise.
12369         (ref_conflicts_with_region): Likewise.
12370         (oacc_entry_exit_ok_1): Likewise.
12371         (oacc_entry_exit_single_gang): Likewise.
12372         * tree-pretty-print.h: Likewise.
12373         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
12374         (get_scalar_evolution): Likewise.
12375         (add_to_evolution): Likewise.
12376         (get_loop_exit_condition): Likewise.
12377         (analyze_evolution_in_loop): Likewise.
12378         (analyze_initial_condition): Likewise.
12379         (analyze_scalar_evolution): Likewise.
12380         (instantiate_scev): Likewise.
12381         (number_of_latch_executions): Likewise.
12382         (gather_chrec_stats): Likewise.
12383         (final_value_replacement_loop): Likewise.
12384         (scev_const_prop): Likewise.
12385         * tree-sra.c (dump_access): Likewise.
12386         (disqualify_candidate): Likewise.
12387         (create_access): Likewise.
12388         (reject): Likewise.
12389         (maybe_add_sra_candidate): Likewise.
12390         (create_access_replacement): Likewise.
12391         (analyze_access_subtree): Likewise.
12392         (analyze_all_variable_accesses): Likewise.
12393         (sra_modify_assign): Likewise.
12394         (initialize_constant_pool_replacements): Likewise.
12395         (find_param_candidates): Likewise.
12396         (decide_one_param_reduction): Likewise.
12397         (replace_removed_params_ssa_names): Likewise.
12398         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
12399         * tree-ssa-copy.c (dump_copy_of): Likewise.
12400         (copy_prop_visit_cond_stmt): Likewise.
12401         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
12402         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
12403         (record_equivalences_from_stmt): Likewise.
12404         * tree-ssa-dse.c (compute_trims): Likewise.
12405         (delete_dead_call): Likewise.
12406         (delete_dead_assignment): Likewise.
12407         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
12408         (forward_propagate_into_cond): Likewise.
12409         (pass_forwprop::execute): Likewise.
12410         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
12411         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
12412         Likewise.
12413         (move_computations_worker): Likewise.
12414         (execute_sm): Likewise.
12415         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
12416         (remove_exits_and_undefined_stmts): Likewise.
12417         (remove_redundant_iv_tests): Likewise.
12418         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
12419         (adjust_iv_update_pos): Likewise.
12420         * tree-ssa-math-opts.c (bswap_replace): Likewise.
12421         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
12422         (value_replacement): Likewise.
12423         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
12424         * tree-ssa-pre.c (print_pre_expr): Likewise.
12425         (get_representative_for): Likewise.
12426         (create_expression_by_pieces): Likewise.
12427         (insert_into_preds_of_block): Likewise.
12428         (eliminate_insert): Likewise.
12429         (eliminate_dom_walker::before_dom_children): Likewise.
12430         (eliminate): Likewise.
12431         (remove_dead_inserted_code): Likewise.
12432         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
12433         * tree-ssa-reassoc.c (get_rank): Likewise.
12434         (eliminate_duplicate_pair): Likewise.
12435         (eliminate_plus_minus_pair): Likewise.
12436         (eliminate_not_pairs): Likewise.
12437         (undistribute_ops_list): Likewise.
12438         (eliminate_redundant_comparison): Likewise.
12439         (update_range_test): Likewise.
12440         (optimize_range_tests_var_bound): Likewise.
12441         (optimize_vec_cond_expr): Likewise.
12442         (rewrite_expr_tree): Likewise.
12443         (rewrite_expr_tree_parallel): Likewise.
12444         (linearize_expr): Likewise.
12445         (break_up_subtract): Likewise.
12446         (linearize_expr_tree): Likewise.
12447         (attempt_builtin_powi): Likewise.
12448         (attempt_builtin_copysign): Likewise.
12449         (transform_stmt_to_copy): Likewise.
12450         (transform_stmt_to_multiply): Likewise.
12451         (dump_ops_vector): Likewise.
12452         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
12453         (print_scc): Likewise.
12454         (set_ssa_val_to): Likewise.
12455         (visit_reference_op_store): Likewise.
12456         (visit_use): Likewise.
12457         (sccvn_dom_walker::before_dom_children): Likewise.
12458         (run_scc_vn): Likewise.
12459         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
12460         Likewise.
12461         (expr_hash_elt::print): Likewise.
12462         (const_and_copies::pop_to_marker): Likewise.
12463         (const_and_copies::record_const_or_copy_raw): Likewise.
12464         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
12465         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
12466         (dump_predicates): Likewise.
12467         (find_uninit_use): Likewise.
12468         (warn_uninitialized_phi): Likewise.
12469         (pass_late_warn_uninitialized::execute): Likewise.
12470         * tree-ssa.c (verify_vssa): Likewise.
12471         (verify_ssa): Likewise.
12472         (maybe_optimize_var): Likewise.
12473         * tree-vrp.c (dump_value_range): Likewise.
12474         (dump_all_value_ranges): Likewise.
12475         (dump_asserts_for): Likewise.
12476         (register_edge_assert_for_2): Likewise.
12477         (vrp_visit_cond_stmt): Likewise.
12478         (vrp_visit_switch_stmt): Likewise.
12479         (vrp_visit_stmt): Likewise.
12480         (vrp_visit_phi_node): Likewise.
12481         (simplify_cond_using_ranges_1): Likewise.
12482         (fold_predicate_in): Likewise.
12483         (evrp_dom_walker::before_dom_children): Likewise.
12484         (evrp_dom_walker::push_value_range): Likewise.
12485         (evrp_dom_walker::pop_value_range): Likewise.
12486         (execute_early_vrp): Likewise.
12487
12488 2017-05-16  Richard Biener  <rguenther@suse.de>
12489
12490         * dwarf2out.c (loc_list_from_tree_1): Do not create
12491         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
12492
12493 2017-05-16  Richard Biener  <rguenther@suse.de>
12494
12495         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
12496         just generated.
12497         (note_variable_value_in_expr): If we resolved the decl ref
12498         do not push to the stack.
12499
12500 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
12501
12502         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
12503         operations in fast-math mode.
12504         (vaddq_f16): Likewise.
12505         (vmul_f16): Likewise.
12506         (vmulq_f16): Likewise.
12507         (vsub_f16): Likewise.
12508         (vsubq_f16): Likewise.
12509         * config/arm/neon.md (add<mode>3): New.
12510         (sub<mode>3): New.
12511         (fma:<VH:mode>3): New.  Also remove outdated comment.
12512         (mul<mode>3): New.
12513
12514 2017-05-16  Martin Liska  <mliska@suse.cz>
12515
12516         PR ipa/79849.
12517         PR ipa/79850.
12518         * ipa-devirt.c (warn_types_mismatch): Fix typo.
12519         (odr_types_equivalent_p): Likewise.
12520
12521 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
12522
12523         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
12524
12525 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
12526
12527         PR target/80425
12528         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
12529         non-interunit SSE move alternatives with '?'.
12530         (zero-extendsidi peephole2): New peephole to skip intermediate
12531         general register in SSE zero-extend sequence.
12532
12533 2017-05-15  Jeff Law  <law@redhat.com>
12534
12535         * reorg.c (relax_delay_slots): Create a new variable to hold
12536         the temporary target rather than clobbering TARGET_LABEL.
12537
12538         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
12539         missing argument to extract_bit_field call.
12540         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
12541
12542 2017-05-15  Martin Liska  <mliska@suse.cz>
12543
12544         PR driver/31468
12545         * gcc.c (process_command): Do not allow empty argument of -o option.
12546
12547 2017-05-15  Renlin Li  <renlin.li@arm.com>
12548
12549         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
12550         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
12551         * config/aarch64/constraints.md (Usf): Add long call check.
12552         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
12553         (call_value): Likewise.
12554         (sibcall): Likewise.
12555         (sibcall_value): Likewise.
12556         (call_insn): New.
12557         (call_value_insn): New.
12558         (sibcall_insn): Update rtx pattern.
12559         (sibcall_value_insn): Likewise.
12560         (call_internal): Remove.
12561         (call_value_internal): Likewise.
12562         (sibcall_internal): Likewise.
12563         (sibcall_value_internal): Likewise.
12564         (call_reg): Likewise.
12565         (call_symbol): Likewise.
12566         (call_value_reg): Likewise.
12567         (call_value_symbol): Likewise.
12568
12569 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
12570
12571         PR target/80600
12572         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
12573
12574 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
12575
12576         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
12577         compatible with CCGOCmode and with CCZmode.
12578
12579 2017-05-14  Martin Sebor  <msebor@redhat.com>
12580
12581         PR middle-end/77671
12582         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
12583         (gimple_fold_builtin_snprintf): Same.
12584         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
12585         (gimple_fold_builtin_snprintf): Same.
12586         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
12587         of character types.
12588         (is_call_safe): New function.
12589         (try_substitute_return_value): Call it.
12590         (try_simplify_call): New function.
12591         (pass_sprintf_length::handle_gimple_call): Call it.
12592
12593 2017-05-14  Martin Sebor  <msebor@redhat.com>
12594
12595         PR middle-end/80669
12596         * builtins.c (expand_builtin_stpncpy): Simplify.
12597
12598 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
12599
12600         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
12601         * config/i386/i386.h
12602         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
12603         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
12604         (struct machine_function): Add new members call_ms2sysv,
12605         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
12606         (struct machine_frame_state): New fields sp_realigned and
12607         sp_realigned_offset.
12608         * config/i386/i386.c
12609         (enum xlogue_stub): New enum.
12610         (enum xlogue_stub_sets): New enum.
12611         (class xlogue_layout): New class.
12612         (struct ix86_frame): New fields stack_realign_allocate_offset,
12613         stack_realign_offset and outlined_save_offset.  Modify comments to
12614         detail stack layout when using out-of-line stubs.
12615         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
12616         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
12617         -mcall-ms2sysv-xlogues.
12618         (stub_managed_regs): New static variable.
12619         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
12620         registers managed by out-of-line stub.
12621         (disable_call_ms2sysv_xlogues): New function.
12622         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
12623         m->call_ms2sysv when appropriate and compute frame layout for
12624         out-of-line stubs.
12625         (sp_valid_at, fp_valid_at): New inline functions.
12626         (choose_basereg): New function.
12627         (choose_baseaddr): Add align parameter, use choose_basereg and modify
12628         all callers.
12629         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
12630         Use align parameter of choose_baseaddr to generated aligned SSE movs
12631         when possible.
12632         (pro_epilogue_adjust_stack): Modify to track
12633         machine_frame_state::sp_realigned.
12634         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
12635         (ix86_nsaved_sseregs): Likewise.
12636         (ix86_emit_save_regs): Likewise.
12637         (ix86_emit_save_regs_using_mov): Likewise.
12638         (ix86_emit_save_sse_regs_using_mov): Likewise.
12639         (get_scratch_register_on_entry): Likewise.
12640         (gen_frame_set): New function.
12641         (gen_frame_load): Likewise.
12642         (gen_frame_store): Likewise.
12643         (emit_outlined_ms2sysv_save): Likewise.
12644         (emit_outlined_ms2sysv_restore): Likewise.
12645         (ix86_expand_prologue): Modify stack re-alignment code and call
12646         emit_outlined_ms2sysv_save when appropriate.
12647         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
12648         parameter rtx_insn *insn, which allows the function to be used to only
12649         generate the notes.
12650         (ix86_expand_epilogue): Modify validity checks of frame and stack
12651         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
12652         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
12653         * config/i386/predicates.md
12654         (save_multiple): New predicate.
12655         (restore_multiple): Likewise.
12656         * config/i386/sse.md
12657         (save_multiple<mode>): New pattern.
12658         (save_multiple_realign<mode>): Likewise.
12659         (restore_multiple<mode>): Likewise.
12660         (restore_multiple_and_return<mode>): Likewise.
12661         (restore_multiple_leave_return<mode>): Likewise.
12662         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
12663
12664 2017-05-14  Julia Koval  <julia.koval@intel.com>
12665
12666         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
12667         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
12668         (__builtin_ia32_xsetbv): New builtins.
12669         * config/i386/i386.c (ix86_expand_special_args_builtin):
12670         Process new types.
12671         (ix86_expand_builtin): Special expand for new intrinsics.
12672         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
12673         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
12674         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
12675
12676 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12677
12678         * cfganal.c (inverted_post_order_compute): Change argument type
12679         to vec *.
12680         * cfganal.h (inverted_post_order_compute): Adjust prototype.
12681         * df-core.c (rest_of_handle_df_initialize): Adjust.
12682         (rest_of_handle_df_finish): Likewise.
12683         (df_analyze_1): Likewise.
12684         (df_analyze): Likewise.
12685         (loop_inverted_post_order_compute): Change argument to be a vec *.
12686         (df_analyze_loop): Adjust.
12687         (df_get_n_blocks): Likewise.
12688         (df_get_postorder): Likewise.
12689         * df.h (struct df_d): Change field to be a vec.
12690         * lcm.c (compute_laterin): Adjust.
12691         (compute_available): Likewise.
12692         * lra-lives.c (lra_create_live_ranges_1): Likewise.
12693         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12694         * tree-ssa-pre.c (compute_antic): Likewise.
12695
12696 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12697
12698         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
12699         (depth_first_search::depth_first_search): Change structure init
12700         function to this constructor.
12701         (depth_first_search::add_bb): Rename function to this member.
12702         (depth_first_search::execute): Likewise.
12703         (flow_dfs_compute_reverse_finish): Adjust.
12704
12705 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12706
12707         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
12708         (longest_simple_path): Likewise.
12709         * shrink-wrap.c (spread_components): Likewise.
12710         (disqualify_problematic_components): Likewise.
12711         (emit_common_heads_for_components): Likewise.
12712         (emit_common_tails_for_components): Likewise.
12713         (insert_prologue_epilogue_for_components): Likewise.
12714
12715 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12716
12717         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
12718         auto_sbitmap.
12719
12720 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12721
12722         * df-core.c (df_set_blocks): Start using auto_bitmap.
12723         (df_compact_blocks): Likewise.
12724         * df-problems.c (df_rd_confluence_n): Likewise.
12725         * df-scan.c (df_insn_rescan_all): Likewise.
12726         (df_process_deferred_rescans): Likewise.
12727         (df_update_entry_block_defs): Likewise.
12728         (df_update_exit_block_uses): Likewise.
12729         (df_entry_block_bitmap_verify): Likewise.
12730         (df_exit_block_bitmap_verify): Likewise.
12731         (df_scan_verify): Likewise.
12732         * lra-constraints.c (lra_constraints): Likewise.
12733         (undo_optional_reloads): Likewise.
12734         (lra_undo_inheritance): Likewise.
12735         * lra-remat.c (calculate_gen_cands): Likewise.
12736         (do_remat): Likewise.
12737         * lra-spills.c (assign_spill_hard_regs): Likewise.
12738         (spill_pseudos): Likewise.
12739         * tree-ssa-pre.c (bitmap_set_and): Likewise.
12740         (bitmap_set_subtract_values): Likewise.
12741
12742 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12743
12744         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
12745         management with auto_bitmap.
12746         (fix_inter_tick): Likewise.
12747         (fix_recovery_deps): Likewise.
12748         * ira.c (add_store_equivs): Likewise.
12749         (find_moveable_pseudos): Likewise.
12750         (split_live_ranges_for_shrink_wrap): Likewise.
12751         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
12752         (rtx_reuse_manager::seen_def_p): Likewise.
12753         (rtx_reuse_manager::set_seen_def): Likewise.
12754         * print-rtl.h (class rtx_reuse_manager): Likewise.
12755
12756 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12757
12758         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
12759         lifetime.
12760         (migrate_btr_def): Likewise.
12761         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
12762         * df-core.c (loop_post_order_compute): Likewise.
12763         (loop_inverted_post_order_compute): Likewise.
12764         * hsa-common.h: Likewise.
12765         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
12766         * init-regs.c (initialize_uninitialized_regs): Likewise.
12767         * ipa-inline.c (resolve_noninline_speculation): Likewise.
12768         (inline_small_functions): Likewise.
12769         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
12770         * ira.c (combine_and_move_insns): Likewise.
12771         (build_insn_chain): Likewise.
12772         * loop-invariant.c (find_invariants): Likewise.
12773         * lower-subreg.c (propagate_pseudo_copies): Likewise.
12774         * predict.c (tree_predict_by_opcode): Likewise.
12775         (predict_paths_leading_to): Likewise.
12776         (predict_paths_leading_to_edge): Likewise.
12777         (estimate_loops_at_level): Likewise.
12778         (estimate_loops): Likewise.
12779         * shrink-wrap.c (try_shrink_wrapping): Likewise.
12780         (spread_components): Likewise.
12781         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
12782         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
12783         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
12784         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
12785         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
12786         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12787         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
12788         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
12789         (mark_threaded_blocks): Likewise.
12790         (thread_through_all_blocks): Likewise.
12791         * tree-ssa.c (verify_ssa): Likewise.
12792         (execute_update_addresses_taken): Likewise.
12793         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
12794
12795 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12796
12797         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
12798         auto_vec.
12799         (post_order_compute): Likewise.
12800         (inverted_post_order_compute): Likewise.
12801         (pre_and_rev_post_order_compute_fn): Likewise.
12802
12803 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12804
12805         * genrecog.c (int_set::int_set): Explicitly construct our
12806         auto_vec base class.
12807         * vec.h (auto_vec::auto_vec): New constructor.
12808
12809 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12810
12811         * bitmap.h (class auto_bitmap): New constructor taking
12812         bitmap_obstack * argument.
12813
12814 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12815
12816         * bitmap.h (class auto_bitmap): Change type of m_bits to
12817         bitmap_head, and adjust ctor / dtor and member operators.
12818
12819 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
12820
12821         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
12822         when returned register mode doesn't match original mode.
12823
12824 2017-05-12  Jeff Law  <law@redhat.com>
12825             Jakub Jelinek  <jakub@redhat.com>
12826
12827         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
12828         we look for cc setter after the compare-elim changes.
12829         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
12830         within the vector to match what compare-elim now expects.
12831         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
12832         (xorsi3_flags, one_cmplsi2_flags): Likewise.
12833
12834         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
12835         after the compare-elim changes.
12836         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
12837         the vector to match what compare-elim now expects.
12838         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
12839         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
12840         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
12841         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
12842         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
12843
12844         * config/visium/visium.c (single_set_and_flags): Fix where
12845         we look for cc setter after the compare-elim changes.
12846         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
12847         with the vector to match what compare-elim now expects.
12848         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
12849         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
12850         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
12851         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
12852         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
12853         (neg<mode>2_insn_set_overflow): Likewise.
12854
12855 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
12856
12857         PR middle-end/79794
12858         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
12859         maybe_expand_insn call, set ops[0].target.  If still set after call,
12860         set alt_rtl.  Add extra arg to recursive calls.
12861         (extract_bit_field): Add alt_rtl argument.  Pass to
12862         extract_bit_field.
12863         * expmed.h (extract_bit_field): Fix prototype.
12864         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
12865         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
12866         to extract_bit_field_calls.
12867         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
12868         Pass alt_rtl to extract_bit_field calls.
12869         * calls.c (store_unaligned_arguments_into_psuedos)
12870         load_register_parameters): Pass extra NULL to extract_bit_field calls.
12871         * optabs.c (maybe_legitimize_operand): Clear op->target when call
12872         gen_reg_rtx.
12873         * optabs.h (struct expand_operand): Add target bitfield.
12874
12875 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
12876
12877         * compare-elim.c (try_eliminate_compare): Canonicalize
12878         operation with embedded compare to
12879         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
12880          (set (reg) (operation)].
12881
12882         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
12883
12884 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
12885
12886         PR target/80723
12887         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
12888         cost of adding a carry flag for ADC instruction.
12889         [case MINUS]: Ignore the cost of subtracting a carry flag
12890         for SBB instruction.
12891
12892 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
12893
12894         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
12895         and x86intrin.h
12896         * config/rs6000/bmiintrin.h: New file.
12897         * config/rs6000/bmi2intrin.h: New file.
12898         * config/rs6000/x86intrin.h: New file.
12899
12900 2017-05-12  Jeff Law  <law@redhat.com>
12901
12902         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
12903         markers.
12904
12905 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
12906
12907         PR middle-end/80707
12908         * tree-cfg.c: Remove cfg edges of unreachable case statements.
12909
12910 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
12911
12912         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
12913         early expansion of vector divide builtins.
12914         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
12915         builtins identified as having unsigned arguments.
12916
12917 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
12918
12919         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
12920         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
12921         expansion of vector logical operations (and, andc, or, xor,
12922         nor, orc, nand).
12923
12924 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
12925
12926         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
12927         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
12928
12929 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
12930
12931         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
12932         early GIMPLE expansion of vector multiplies.
12933
12934 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
12935
12936         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
12937         TARGET_HAVE_MOVT conditional.
12938         (movt splitter): Likewise.
12939
12940 2017-05-12  Richard Biener  <rguenther@suse.de>
12941
12942         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
12943         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
12944         Fold all stmts not inplace.
12945
12946 2017-05-12  Richard Biener  <rguenther@suse.de>
12947
12948         PR tree-optimization/80713
12949         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
12950         inserted_exprs bit for not removed stmts.
12951
12952 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
12953
12954         PR middle-end/69921
12955         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
12956         parallelized" attribute for parallelized OpenACC kernels.
12957         * omp-offload.c (execute_oacc_device_lower): Use it.
12958
12959         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
12960         Set "oacc kernels" attribute.
12961         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
12962         parameter.  Adjust all users.
12963         (oacc_fn_attrib_kernels_p): Remove function.
12964         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
12965         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
12966         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
12967         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
12968         assert "oacc kernels" attribute is set.
12969
12970 2017-05-11  Carl Love  <cel@us.ibm.com>
12971
12972         * config/rs6000/rs6000-c: Add support for built-in functions
12973         vector unsigned char vec_popcnt (vector signed char)
12974         vector unsigned char vec_popcnt (vector unsigned char)
12975         vector unsigned short vec_popcnt (vector signed short)
12976         vector unsigned short vec_popcnt (vector unsigned short)
12977         vector unsigned int vec_popcnt (vector signed int)
12978         vector unsigned int vec_popcnt (vector unsigned int)
12979         vector unsigned long long vec_popcnt (vector signed long long)
12980         vector unsigned long long vec_popcnt (vector unsigned long long)
12981         vector signed long long vec_slo (vector signed long long,
12982                                          vector signed char)
12983         vector signed long long vec_slo (vector signed long long,
12984                                          vector unsigned char)
12985         vector unsigned long long vec_slo (vector unsigned long long,
12986                                            vector signed char)
12987         vector unsigned long long vec_slo (vector unsigned long long,
12988                                            vector unsigned char)
12989         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
12990         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
12991         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
12992         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
12993         * doc/extend.texi: Update the built-in documentation file for the
12994         new built-in functions.
12995
12996 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
12997
12998         * attribs.h (sorted_attr_string): Move machine independent
12999         functions for target clone support from the i386 port to common
13000         code.  Rename ix86_function_versions to common_function_versions.
13001         Rename make_name to make_unique_name.
13002         (common_function_versions): Likewise.
13003         (make_unique_name): Likewise.
13004         (make_dispatcher_decl): Likewise.
13005         (is_function_default_version): Likewise.
13006         * attribs.c (attr_strcmp): Likewise.
13007         (sorted_attr_string): Likewise.
13008         (common_function_versions): Likewise.
13009         (make_unique_name): Likewise.
13010         (make_dispatcher_decl): Likewise.
13011         (is_function_default_version): Likewise.
13012         * config/i386/i386.c (attr_strcmp): Likewise.
13013         (sorted_attr_string): Likewise.
13014         (ix86_function_versions): Likewise.
13015         (make_name): Likewise.
13016         (make_dispatcher_decl): Likewise.
13017         (is_function_default_version): Likewise.
13018         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
13019
13020 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13021
13022         PR target/80695
13023         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
13024         Account for direct move costs for vec_construct of integer
13025         vectors.
13026
13027 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
13028
13029         PR target/80706
13030         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
13031         (UNSPEC_STX_ATOMIC): Ditto.
13032         (loaddi_via_sse): New insn.
13033         (storedi_via_sse): Ditto.
13034         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
13035         Update corresponding peephole2 patterns.
13036         (atomic_storedi_fpu): Ditto.
13037
13038 2017-05-11  Julia Koval  <julia.koval@intel.com>
13039
13040         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
13041         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
13042         New intrinsics.
13043         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
13044         (__builtin_ia32_rsqrt14ss_mask): New builtins.
13045         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
13046
13047 2017-05-11  Nathan Sidwell  <nathan@acm.org>
13048
13049         * graphite-poly.c: Include dumpfile.h.
13050
13051         * dumpfle.h (dump_function): Declare here ...
13052         * tree-dump.h (dump_function): ... not here.
13053         * dumpfile.c: #include tree-cfg.h.
13054         (dump_function): Move here from ...
13055         * tree-dump.c (dump_function): ... here.
13056         * gimplify.c: #include splay-tree.h, not tree-dump.h.
13057         * graphite-poly.c: Don't include tree-dump.h.
13058         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
13059         * print-tree.c: Likewise.
13060         * stor-layout.c: Likewise.
13061         * tree-nested.c: Likewise.
13062
13063         * dumpfile.c (dump_start): Use TDF_FLAGS.
13064         (dump_enable_all): Fix TDF_KIND check thinko.
13065
13066 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
13067
13068         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
13069         array entries to represent two legal parameterizations of the
13070         overloaded __builtin_cmpb function, as represented by the
13071         P6_OV_BUILTIN_CMPB constant.
13072         (altivec_resolve_overloaded_builtin): Add special case handling
13073         for the __builtin_cmpb function, as represented by the
13074         P6_OV_BUILTIN_CMPB constant.
13075         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
13076         (BU_P6_64BIT_2): New macro.
13077         (BU_P6_OVERLOAD_2): New macro
13078         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
13079         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
13080         (CMPB): Add overload support to represent both 32-bit and 64-bit
13081         compare-bytes function.
13082         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
13083         support for TARGET_CMPB.
13084         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
13085         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
13086         documentation of the __builtin_cmpb overloaded built-in function.
13087
13088 2017-05-11  Richard Biener  <rguenther@suse.de>
13089
13090         PR tree-optimization/80705
13091         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
13092         bases are not vectorizable.
13093
13094 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13095
13096         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
13097         when counting register pressure.
13098
13099 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13100
13101         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
13102         (iv_ca_more_deps): Renamed to ...
13103         (iv_ca_compare_deps): ... this.
13104         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
13105
13106 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13107
13108         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
13109         to ...
13110         (determine_group_iv_costs): ... here.
13111         (find_inv_vars_cb): Record inv var if it's not recorded before.
13112
13113 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13114
13115         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
13116         (get_shiftadd_cost): Ditto.
13117
13118 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13119
13120         * tree-ssa-address.c: Include header file.
13121         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
13122         address.
13123         (add_to_parts): Refactor.
13124         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
13125         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
13126         in new order.
13127
13128 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13129
13130         PR tree-optimization/53090
13131         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
13132         COMP_IV_EXPR_2.
13133         (extract_cond_operands): Detect condition with IV on both sides
13134         and return COMP_IV_EXPR_2.
13135         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
13136         (rewrite_use_compare): Simplify by removing call to function
13137         extract_cond_operands.
13138
13139 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13140
13141         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
13142         (extract_cond_operands): Detect condition comparing against non-
13143         invariant bound and return appropriate enum value.
13144         (find_interesting_uses_cond): Update use of extract_cond_operands.
13145         Handle its return value accordingly.
13146         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
13147
13148 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13149
13150         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
13151         nonlinear iv_use computation in loop invariant sensitive way.
13152
13153 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13154
13155         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
13156         (find_iv_candidates): Call relate_compare_use_with_all_cands.
13157
13158 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13159
13160         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
13161         (dump_cand): Support iv_cand.inv_exprs.
13162         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
13163         for candidates.
13164         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
13165         iv_cand.inv_exprs.
13166
13167 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13168
13169         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
13170         from ...
13171         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
13172         as local function.  Include necessary header files.
13173         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
13174
13175 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13176
13177         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
13178
13179 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13180
13181         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
13182         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
13183         RSHIFT_EXPR and BIT_NOT_EXPR.
13184
13185 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13186
13187         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
13188         (adjust_setup_cost): New parameter supporting round up adjustment.
13189         (struct address_cost_data): Delete.
13190         (force_expr_to_var_cost): Don't bound cost with spill_cost.
13191         (split_address_cost, ptr_difference_cost): Delete.
13192         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
13193         (struct ainc_cost_data): New struct.
13194         (get_address_cost_ainc): New function.
13195         (get_address_cost, get_computation_cost): Reimplement.
13196         (determine_group_iv_cost_address): Record inv_expr for all uses of
13197         a group.
13198         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
13199         (iv_ca_has_deps): Reimplemented to ...
13200         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
13201         than OLD_CP.
13202         (iv_ca_extend): Call iv_ca_more_deps.
13203
13204 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13205
13206         * tree-ssa-address.c (struct mem_address): Move to header file.
13207         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
13208         * tree-ssa-address.h (struct mem_address): Move from C file.
13209         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
13210
13211 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13212
13213         * tree-affine.h (aff_combination_type): New interface.
13214         (aff_combination_zero_p): Remove static.
13215         (aff_combination_const_p): New interface.
13216         (aff_combination_singleton_var_p): New interfaces.
13217
13218 2017-05-11  Richard Biener  <rguenther@suse.de>
13219
13220         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
13221         Skip unreachable blocks and destinations.
13222         (eliminate): Move stmt removal and fixup ...
13223         (fini_eliminate): ... here.  Skip inserted exprs.
13224         (pass_pre::execute): Move fini_pre after fini_eliminate.
13225         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
13226         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
13227         PRE to get rid of dead code that has invalid SSA form and
13228         split critical edges again.
13229
13230 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
13231
13232         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
13233
13234 2017-05-11  Richard Biener  <rguenther@suse.de>
13235
13236         * passes.c (execute_function_todo): Verify loops if they are
13237         said to be up-to-date.
13238         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
13239         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
13240
13241 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
13242
13243         PR target/80090
13244         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
13245         handle calling assemble_external ourself.
13246
13247         PR target/79027
13248         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
13249         modes with zero size.  Enhance comment.
13250
13251 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13252
13253         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
13254         built-ins for vec_xl and vec_xst with short and char pointer
13255         arguments.
13256
13257 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
13258
13259         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
13260         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
13261         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
13262         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
13263         (_mm_maskz_min_round_ss): New intrinsics.
13264         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
13265         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
13266         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
13267         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
13268         (__builtin_ia32_minss_mask_round): New builtins.
13269         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
13270         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
13271         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
13272         Rename to ...
13273         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
13274         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
13275         Change to ...
13276         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
13277         ... this.
13278
13279 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
13280
13281         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
13282         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
13283         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
13284         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
13285         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
13286         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
13287         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
13288         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
13289         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
13290         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
13291         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
13292         (__builtin_ia32_mulss_mask_round): New builtins.
13293         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
13294         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
13295         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
13296         Rename to ...
13297         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
13298         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
13299         Change to ...
13300         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
13301         ... this.
13302
13303 2017-05-10  Julia Koval  <julia.koval@intel.com>
13304
13305         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
13306         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
13307         (_mm256_setr_m128i): New intrinsics.
13308
13309 2017-05-10  Julia Koval  <julia.koval@intel.com>
13310
13311         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
13312         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
13313         (_mm_maskz_rcp14_ss): New intrinsics.
13314         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
13315         (__builtin_ia32_rcp14ss_mask): New builtins.
13316         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
13317
13318 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
13319
13320         PR tree-optimization/51513
13321         * tree-cfg.c (gimple_seq_unreachable_p): New function.
13322         (assert_unreachable_fallthru_edge_p): Use it.
13323         (group_case_labels_stmt): Likewise.
13324         * tree-cfg.h: Prototype it.
13325         * stmt.c: Include cfghooks.h and tree-cfg.h.
13326         (emit_case_dispatch_table) <gap_label>: New local variable.
13327         Use it to fill dispatch table gaps.
13328         Test for default_label before updating probabilities.
13329         (expand_case) <default_label>: Remove unneeded initialization.
13330         Test for unreachable default case statement and remove its edge.
13331         Set default_label accordingly.
13332         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
13333
13334 2017-05-10  Carl Love  <cel@us.ibm.com>
13335
13336         * config/rs6000/rs6000-c: Add support for built-in functions
13337         vector signed char      vec_neg (vector signed char)
13338         vector signed short int vec_neg (vector short int)
13339         vector signed int       vec_neg (vector signed int)
13340         vector signed long long vec_neg (vector signed long long)
13341         vector float            vec_neg (vector float)
13342         vector double           vec_neg (vector double)
13343         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
13344         overload.
13345         * config/rs6000/altivec.h: Add define for vec_neg
13346         * doc/extend.texi: Update the built-in documentation for the
13347         new built-in functions.
13348
13349 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
13350
13351         PR tree-optimization/77644
13352         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
13353
13354 2017-05-10  Nathan Sidwell  <nathan@acm.org>
13355
13356         * dumpfile.h (TDI_lang_all): New.
13357         (TDF_KIND): New. Renumber others
13358         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
13359         than bits.
13360         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
13361         lang-all.
13362         (get_dump_file_name): Adjust suffix generation.
13363         (dump_enable_all): Use TDF_KIND.
13364         * doc/invoke.texi (-fdump-lang-all): Document.
13365
13366         * dumpfile.h: Tabify.
13367
13368 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
13369
13370         PR target/80671
13371         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
13372         Move member access before delete.
13373
13374 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
13375
13376         * tree-inline.c (expand_call_inline): Split block at stmt
13377         before the call.
13378
13379 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
13380
13381         PR target/68163
13382         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
13383         are now unused after splitting mov{sf,sd}_hardfloat.
13384         (f32_lr2): Likewise.
13385         (f32_lm): Likewise.
13386         (f32_lm2): Likewise.
13387         (f32_li): Likewise.
13388         (f32_li2): Likewise.
13389         (f32_lv): Likewise.
13390         (f32_sr): Likewise.
13391         (f32_sr2): Likewise.
13392         (f32_sm): Likewise.
13393         (f32_sm2): Likewise.
13394         (f32_si): Likewise.
13395         (f32_si2): Likewise.
13396         (f32_sv): Likewise.
13397         (f32_dm): Likewise.
13398         (f32_vsx): Likewise.
13399         (f32_av): Likewise.
13400         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
13401         For movsf, order stores so the VSX stores occur before the GPR
13402         store which encourages the register allocator to use a traditional
13403         FPR instead of a GPR.  For movsd, order the stores so that the GPR
13404         store comes before the VSX stores to allow the power6 to work.
13405         This is due to the power6 not having a 32-bit integer store
13406         instruction from a FPR.
13407         (movsf_hardfloat): Likewise.
13408         (movsd_hardfloat): Likewise.
13409
13410 2017-05-09  Martin Sebor  <msebor@redhat.com>
13411
13412         PR translation/80280
13413         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
13414         added in r247778.
13415
13416         PR translation/80280
13417         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
13418         data member added in r247778.
13419         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
13420
13421 2017-05-09  Nathan Sidwell  <nathan@acm.org>
13422
13423         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
13424
13425         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
13426         typedefs.
13427
13428 2017-05-09  Marek Polacek  <polacek@redhat.com>
13429
13430         * doc/invoke.texi: Fix typo.
13431
13432 2017-05-09  Richard Biener  <rguenther@suse.de>
13433
13434         * tree-vrp.c (vrp_val_is_max): Adjust comment.
13435         (vrp_val_is_min): Likewise.
13436         (set_value_range_to_value): Likewise.
13437         (set_value_range_to_nonnegative): Likewise.
13438         (gimple_assign_nonzero_p): Likewise.
13439         (gimple_stmt_nonzero_p): Likewise.
13440         (vrp_int_const_binop): Likewise.  Remove unreachable case.
13441         (adjust_range_with_scev): Adjust comments.
13442         (compare_range_with_value): Likewise.
13443         (extract_range_from_phi_node): Likewise.
13444         (test_for_singularity): Likewise.
13445
13446 2017-05-09  Richard Biener  <rguenther@suse.de>
13447
13448         * tree-vrp.c (get_single_symbol): Add assert that we don't
13449         get overflowed constants as invariant part.
13450         (compare_values_warnv): Add comment before the TREE_NO_WARNING
13451         checks.  Use wi::cmp instead of recursing for integer constants.
13452         (compare_values): Just ignore whether we assumed undefined
13453         overflow instead of failing the compare.
13454         (extract_range_for_var_from_comparison_expr): Add comment before the
13455         TREE_NO_WARNING sets.
13456         (test_for_singularity): Likewise.
13457         (extract_range_from_comparison): Do not disable optimization
13458         when we assumed undefined overflow.
13459         (extract_range_basic): Remove init of unused var.
13460
13461 2017-05-09  Richard Biener  <rguenther@suse.de>
13462
13463         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
13464         (extract_range_from_multiplicative_op_1): Adjust.
13465         (extract_range_from_binary_expr_1): Use int_const_binop.
13466
13467 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
13468
13469         PR target/80101
13470         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
13471         rs6000_store_data_bypass_p in seven define_bypass directives and
13472         in several comments.
13473         * config/rs6000/rs6000-protos.h: Add prototype for
13474         rs6000_store_data_bypass_p function.
13475         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
13476         function implements slightly different (rs6000-specific) semantics
13477         than store_data_bypass_p, returning false rather than aborting
13478         with assertion error when arguments do not satisfy the
13479         requirements of store data bypass.
13480         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
13481         rs6000_store_data_bypass_p.
13482
13483 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
13484
13485         * config/xtensa/xtensa-protos.h
13486         (xtensa_initial_elimination_offset): New declaration.
13487         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
13488         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
13489         macro definition, add case for FRAME_POINTER_REGNUM when
13490         FRAME_GROWS_DOWNWARD.
13491         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
13492         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
13493         xtensa_initial_elimination_offset.
13494
13495 2017-05-08  Nathan Sidwell  <nathan@acm.org>
13496
13497         * doc/invoke.texi: Alphabetize -fdump options.
13498
13499 2017-05-08  Martin Sebor  <msebor@redhat.com>
13500
13501         PR translation/80280
13502         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
13503
13504 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13505
13506         * target.def (compute_frame_layout): New optional target hook.
13507         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
13508         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
13509         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
13510         target hook.
13511         * reload1.c (verify_initial_elim_offsets): Likewise.
13512         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
13513         (use_simple_return_p): Call arm_compute_frame_layout if needed.
13514         (arm_get_frame_offsets): Split up into this ...
13515         (arm_compute_frame_layout): ... and this function.
13516
13517 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
13518
13519         * config/aarch64/constraints.md (Usa): New constraint.
13520         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
13521
13522 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13523
13524         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
13525         with_multilib_list after it has been checked.
13526
13527 2017-05-08  Richard Biener  <rguenther@suse.de>
13528
13529         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
13530         (bitmap_set_subtract_values): Likewise.
13531
13532 2017-05-08  Richard Biener  <rguenther@suse.de>
13533
13534         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
13535         (gimple_assign_nonzero): ... this and remove strict_overflow_p
13536         argument.
13537         (gimple_stmt_nonzero_warnv_p): Rename to ...
13538         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
13539         argument.
13540         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
13541         (extract_range_basic): Adjust, do not disable propagation on
13542         strict overflow sensitive simplification.
13543         (vrp_visit_cond_stmt): Likewise.
13544
13545 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
13546
13547         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
13548         body size unconditionally.
13549
13550 2017-05-07  Jeff Law  <law@redhat.com>
13551
13552         Revert:
13553         2017-05-06  Jeff Law  <law@redhat.com>
13554         PR tree-optimization/78496
13555         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
13556         code.
13557
13558         PR tree-optimization/78496
13559         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
13560         (simplify_stmt_using_ranges): Call it.
13561         (vrp_dom_walker::before_dom_children): Extract equivalences
13562         from an ASSERT_EXPR with an equality comparison against a
13563         constant.
13564
13565 2017-05-06  Jeff Law  <law@redhat.com>
13566
13567         PR tree-optimization/78496
13568         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
13569         code.
13570
13571         PR tree-optimization/78496
13572         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
13573         (simplify_stmt_using_ranges): Call it.
13574         (vrp_dom_walker::before_dom_children): Extract equivalences
13575         from an ASSERT_EXPR with an equality comparison against a
13576         constant.
13577
13578 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
13579
13580         * lra-constraints.c (lra_copy_reg_equiv): New function.
13581         (split_reg): Use it to copy equivalence information from the
13582         original register to the spill register.
13583
13584 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
13585
13586         PR rtl-optimization/75964
13587         * simplify-rtx.c (simplify_const_relational_operation): Remove
13588         invalid handling of comparisons of integer ABS.
13589
13590 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
13591
13592         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
13593         initialize to zero.
13594         (init_regs): Remove declaration.
13595         (function_arg_advance_32): Initialize error_p as boolean variable.
13596
13597 2017-05-05  Nathan Sidwell  <nathan@acm.org>
13598
13599         * store-motion.c (remove_reachable_equiv_notes): Reformat long
13600         lines.  Use for (;;).
13601
13602 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13603
13604         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
13605         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
13606         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
13607         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
13608         VF=2 that require versioning.
13609
13610 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
13611
13612         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
13613         int.
13614
13615 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
13616
13617         * diagnostic.h (diagnostic_override_option_index): Convert from
13618         macro to inline function.
13619
13620 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
13621
13622         * diagnostic.c (last_module_changed_p): New function.
13623         (set_last_module): New function.
13624         (diagnostic_report_current_module): Convert macro usage to
13625         the above functions.
13626         * diagnostic.h (diagnostic_context::last_module): Strengthen
13627         from const line_map * to const line_map_ordinary *.
13628         (diagnostic_last_module_changed): Delete macro.
13629         (diagnostic_set_last_module): Delete macro.
13630
13631 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
13632
13633         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
13634         with diagnostic_report_diagnostic.
13635         (diagnostic_n_impl_richloc): Likewise.
13636         * diagnostic.h (report_diagnostic): Delete macro.
13637         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
13638         with diagnostic_report_diagnostic.
13639         * substring-locations.c (format_warning_va): Likewise.
13640
13641 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
13642
13643         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
13644         save/restor of format_spec.  Move option-printing code to...
13645         (print_option_information): ...this new function, and
13646         reimplement by simply printing to the pretty_printer,
13647         rather than appending to the format string.
13648
13649 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
13650
13651         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
13652         handling logic into...
13653         (update_effective_level_from_pragmas): ...this new function.
13654
13655 2017-05-04  Andrew Waterman  <andrew@sifive.com>
13656
13657         * config/riscv/riscv.opt (mstrict-align): New option.
13658         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
13659         (SLOW_UNALIGNED_ACCESS): Define.
13660         (riscv_slow_unaligned_access): Declare.
13661         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
13662         field.
13663         (riscv_slow_unaligned_access): New variable.
13664         (rocket_tune_info): Set slow_unaligned_access to true.
13665         (optimize_size_tune_info): Set slow_unaligned_access to false.
13666         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
13667         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
13668         (riscv_option_override): Set riscv_slow_unaligned_access.
13669         * doc/invoke.texi: Add -mstrict-align to RISC-V.
13670
13671 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
13672
13673         * config/riscv/riscv.md: Unify indentation.
13674
13675 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13676
13677         PR target/79038
13678         PR target/79202
13679         PR target/79203
13680         * config/rs6000/rs6000.md (u code attribute): Add FIX and
13681         UNSIGNED_FIX.
13682         (extendsi<mode>2): Add support for doing sign extension via
13683         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
13684         don't have ISA 3.0 instructions.
13685         (extendsi<mode>2 splitter): Likewise.
13686         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
13687         generate the normal insns since SImode can now go in vector
13688         registers.  Disallow the special UNSPECs needed for previous
13689         machines to hide SImode being used.  Add new insns
13690         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
13691         (fix_trunc<mode>si2_stfiwx): Likewise.
13692         (fix_trunc<mode>si2_internal): Likewise.
13693         (fixuns_trunc<mode>si2): Likewise.
13694         (fixuns_trunc<mode>si2_stfiwx): Likewise.
13695         (fctiw<u>z_<mode>_smallint): Likewise.
13696         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
13697         of floating point to 32-bit integer from doing a direct move to
13698         the GPR registers to do a store.
13699         (fctiwz_<mode>): Break long line.
13700
13701 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
13702
13703         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
13704         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
13705         (addr_list, addr_offset_valid_p): New.
13706         (split_address_groups): Check offset validity with above function.
13707         (gt-tree-ssa-loop-ivopts.h): Include header file.
13708
13709 2017-05-05  Nathan Sidwell  <nathan@acm.org>
13710
13711         * config.gcc (arm*-*-*): Add missing 'fi'.
13712
13713 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
13714
13715         * doc/invoke.texi (-fopt-info): Explicitly say order of options
13716         included in -fopt-info does not matter.
13717         * doc/optinfo.texi (-fopt-info): Fix description of default
13718         behavour. Explicitly say order of options included in -fopt-info
13719         does not matter.
13720
13721 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13722
13723         * config.gcc: Allow combinations of aprofile and rmprofile values for
13724         --with-multilib-list.
13725         * config/arm/t-multilib: New file.
13726         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
13727         variables.  Remove setting of ISA and floating-point ABI in
13728         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
13729         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
13730         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
13731         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
13732         CPU options.
13733         * config/arm/t-rmprofile: Likewise except for the matches changes.
13734         * doc/install.texi (--with-multilib-list): Document the combination of
13735         aprofile and rmprofile values and warn about pitfalls in doing that.
13736
13737 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
13738
13739         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
13740         (movdi_aarch64): Likewise.
13741
13742 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
13743
13744         PR tree-optimization/80632
13745         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
13746         field.
13747         (build_arrays): Initialize it for virtual phis.
13748         (fix_phi_nodes): Use it for virtual phis.
13749
13750         PR tree-optimization/80558
13751         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
13752         [x, y] op z into [x op, y op z] for op & or | if conditions
13753         are met.
13754
13755 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
13756             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
13757
13758         PR target/71607
13759         * config/arm/arm.md (use_literal_pool): Remove.
13760         (64-bit immediate split): No longer takes cost into consideration
13761         if arm_disable_literal_pool is enabled.
13762         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
13763         used when arm_disable_literal_pool is enabled.
13764         (arm_max_const_double_inline_cost): Remove use of
13765         arm_disable_literal_pool.
13766         (push_minipool_fix): Add assert.
13767         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
13768         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
13769         (no_literal_pool_sf_immediate): New.
13770
13771 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
13772
13773         PR tree-optimization/80613
13774         * tree-ssa-dce.c (propagate_necessity): Remove cases for
13775         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
13776
13777 2017-05-05  Richard Biener  <rguenther@suse.de>
13778
13779         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
13780
13781 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
13782
13783         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
13784         of this flag from insn conditions due to removal from r247495.
13785
13786 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
13787
13788         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
13789         New function.
13790         (arm_early_store_addr_dep_ptr): Likewise.
13791         * config/arm/aarch-common-protos.h
13792         (arm_early_load_addr_dep_ptr): Add prototype.
13793         (arm_early_store_addr_dep_ptr): Likewise.
13794         * config/arm/cortex-a53.md: Add new bypasses.
13795
13796 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
13797
13798         * tree.c (next_type_uid): Change type to unsigned.
13799         (type_hash_canon): Decrement back next_type_uid if
13800         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
13801         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
13802         if possible.
13803
13804 2017-05-04  Martin Sebor  <msebor@redhat.com>
13805
13806         * builtins.c: Fix a trivial typo in a comment.
13807
13808         PR middle-end/79234
13809         * builtins.c (check_sizes): Adjust to handle reading past the end.
13810         Avoid printing excessive upper bound of ranges.  Use %E to print
13811         tree nodes instead of converting them to %wu.
13812         (expand_builtin_memchr): New function.
13813         (compute_dest_size): Rename...
13814         (compute_objsize): ...to this.
13815         (expand_builtin_memcpy): Adjust.
13816         (expand_builtin_mempcpy): Adjust.
13817         (expand_builtin_strcat): Adjust.
13818         (expand_builtin_strcpy): Adjust.
13819         (check_strncat_sizes): Adjust.
13820         (expand_builtin_strncat): Adjust.
13821         (expand_builtin_strncpy): Adjust and simplify.
13822         (expand_builtin_memset): Adjust.
13823         (expand_builtin_bzero): Adjust.
13824         (expand_builtin_memcmp): Adjust.
13825         (expand_builtin): Handle memcmp.
13826         (maybe_emit_chk_warning): Check strncat just once.
13827
13828 2017-05-04  Martin Sebor  <msebor@redhat.com>
13829
13830         PR preprocessor/79214
13831         PR middle-end/79222
13832         PR middle-end/79223
13833         * builtins.c (check_sizes): Add inlining context and issue
13834         warnings even when -Wno-system-headers is set.
13835         (check_strncat_sizes): Same.
13836         (expand_builtin_strncat): Same.
13837         (expand_builtin_memmove): New function.
13838         (expand_builtin_stpncpy): Same.
13839         (expand_builtin): Handle memmove and stpncpy.
13840
13841 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
13842
13843         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
13844         which is not used any more.
13845
13846 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
13847
13848         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
13849
13850 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
13851
13852         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
13853         (cortexa53_tunings): Likewise.
13854         (cortexa57_tunings): Likewise.
13855         (cortexa72_tunings): Likewise.
13856         (cortexa73_tunings): Likewise.
13857
13858 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
13859
13860         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
13861         Set loop alignment to 8.
13862
13863 2017-05-04  Martin Sebor  <msebor@redhat.com>
13864
13865         PR translation/80280
13866         * builtins.c (expand_builtin_object_size): Add missing quoting to
13867         %D and like directives.
13868         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
13869         (hsa_type_for_tree_type): Same.
13870         (verify_function_arguments): Same.
13871         * symtab.c (symbol_table::change_decl_assembler_name): Same.
13872         * varasm.c (get_section): Same.
13873         (mark_weak): Same.
13874
13875 2017-05-04  Martin Sebor  <msebor@redhat.com>
13876
13877         PR translation/80280
13878         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
13879
13880 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
13881
13882         * config/aarch64/aarch64.c (generic_addrcost_table):
13883         Change HI/TI mode setting.
13884
13885 2017-05-04  Martin Jambor  <mjambor@suse.cz>
13886
13887         PR tree-optimization/80622
13888         * tree-sra.c (comes_initialized_p): New function.
13889         (build_accesses_from_assign): Only set write lazily when
13890         comes_initialized_p is false.
13891         (analyze_access_subtree): Use comes_initialized_p.
13892         (propagate_subaccesses_across_link): Assert !comes_initialized_p
13893         instead of testing for PARM_DECL.
13894
13895 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13896
13897         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
13898         constraint on operand 0 to allow more general addressing modes.
13899         Adjust output template.
13900         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
13901         New function.
13902         * config/aarch64/aarch64-protos.h
13903         (aarch64_address_valid_for_prefetch_p): Declare prototype.
13904         * config/aarch64/constraints.md (Dp): New address constraint.
13905         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
13906         predicate.
13907
13908 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
13909
13910         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
13911         update use of estimate_ipcp_clone_size_and_time.
13912         (estimate_local_effects): Update use of
13913         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
13914         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
13915         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
13916         Return nonspecialized time.
13917
13918 2017-05-04  Richard Biener  <rguenther@suse.de>
13919
13920         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
13921         for the last VUSE which def dominates the PHI.  Directly call
13922         maybe_skip_until.
13923         (get_continuation_for_phi_1): Remove.
13924
13925 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
13926
13927         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
13928         to explain the use of truncating division.  Cap the number of
13929         iterations to the maximum given by nb_iterations_upper_bound,
13930         if defined.
13931
13932 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13933
13934         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
13935         * configure: Regenerate.
13936         * config.in: Regenerate.
13937         * config/i386/driver-mingw32.c: new file.
13938         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
13939         * config.host: Link driver-mingw32.o on MinGW host.
13940         * doc/install.texi: Document new --enable-mingw-wildcard configure
13941         option.
13942
13943 2017-05-04  Marek Polacek  <polacek@redhat.com>
13944
13945         PR tree-optimization/80612
13946         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
13947
13948 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
13949             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
13950
13951         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
13952         (movt splitter): Likewise.
13953         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
13954         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
13955         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
13956         block for Thumb-1 with MOVT.
13957         (thumb2_legitimate_address_p): Move code block ...
13958         (can_avoid_literal_pool_for_label_p): ... into this new function.
13959         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
13960         literal pool.
13961         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
13962         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
13963         "M-profile targets with the MOVT instruction".
13964
13965 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
13966
13967         * config/arm/arm-builtins.c (arm_init_builtins): Rename
13968         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
13969         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
13970
13971 2017-05-04  Martin Liska  <mliska@suse.cz>
13972
13973         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
13974         variable cond_code.
13975
13976 2017-05-04  Richard Biener  <rguenther@suse.de>
13977
13978         * tree.c (array_at_struct_end_p): Handle arrays at struct
13979         end with flexarrays more conservatively.  Refactor and treat
13980         arrays of arrays or aggregates more strict.  Fix
13981         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
13982         * tree.c (array_at_struct_end_p): Adjust prototype.
13983         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
13984         * gimple-fold.c (get_range_strlen): Likewise.
13985         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
13986
13987 2017-05-04  Richard Biener  <rguenther@suse.de>
13988
13989         PR tree-optimization/31130
13990         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
13991         false.
13992         (supports_overflow_infinity): Likewise.
13993         (is_negative_overflow_infinity): Likewise.
13994         (is_positive_overflow_infinity): Likewise.
13995         (is_overflow_infinity): Likewise.
13996         (stmt_overflow_infinity): Likewise.
13997         (overflow_infinity_range_p): Likewise.
13998         (usable_range_p): Remove as always returning true.
13999         (make_overflow_infinity): Remove.
14000         (negative_overflow_infinity): Likewise.
14001         (positive_overflow_infinity): Likewise.
14002         (avoid_overflow_infinity): Likewise.
14003         (set_value_range): Adjust accordingly.
14004         (set_value_range_to_nonnegative): Likewise, remove now unused
14005         overflow_infinity arg.
14006         (vrp_operand_equal_p): Adjust.
14007         (update_value_range): Likewise.
14008         (range_int_cst_singleton_p): Likewise.
14009         (operand_less_p): Likewise.
14010         (compare_values_warnv): Likewise.
14011         (extract_range_for_var_from_comparison_expr): Likewise.
14012         (vrp_int_const_binop): Likewise.
14013         (zero_nonzero_bits_from_vr): Likewise.
14014         (extract_range_from_multiplicative_op_1): Likewise.
14015         (extract_range_from_binary_expr_1): Likewise.
14016         (extract_range_from_unary_expr): Likewise.
14017         (extract_range_from_comparison): Likewise.
14018         (extract_range_basic): Likewise.
14019         (adjust_range_with_scev): Likewise.
14020         (compare_ranges): Likewise.
14021         (compare_range_with_value): Likewise.
14022         (dump_value_range): Likewise.
14023         (test_for_singularity): Likewise, remove strict_overflow_p parameter
14024         never used.
14025         (simplify_cond_using_ranges): Adjust.
14026
14027 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
14028
14029         * brig-builtins.def: Added a builtin for class_f64.
14030         * builtin-types.def: Added a builtin type needed by class_f64.
14031
14032 2017-05-03  Jason Merrill  <jason@redhat.com>
14033
14034         * timevar.def: Add TV_CONSTEXPR.
14035
14036 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
14037
14038         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
14039
14040 2017-05-03  Martin Jambor  <mjambor@suse.cz>
14041
14042         * ipa-prop.c (ipa_update_after_lto_read): Removed.
14043         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
14044         * ipa-cp.c (ipcp_propagate_stage): Do not call
14045         ipa_update_after_lto_read.
14046         * ipa-inline.c (ipa_inline): Likewise.
14047
14048 2017-05-03  Martin Jambor  <mjambor@suse.cz>
14049
14050         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
14051         tag.  Added a default constructor and a destructor.
14052         (ipa_edge_args_sum_t): New class;
14053         (ipa_edge_args_sum): Declare.
14054         (ipa_edge_args_vector): Remove declaration.
14055         (IPA_EDGE_REF): Use ipa_edge_args_sum.
14056         (ipa_free_edge_args_substructures): Remove declaration.
14057         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
14058         (ipa_edge_args_info_available_for_edge_p): Likewise.
14059         * ipa-prop.c (ipa_edge_args_vector): Removed.
14060         (edge_removal_hook_holder): Likewise.
14061         (edge_duplication_hook_holder): Likewise.
14062         (ipa_edge_args_sum): New variable.
14063         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
14064         ipa_edge_args_vector.
14065         (ipa_free_edge_args_substructures): Likewise.
14066         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
14067         ipa_edge_args_vector.
14068         (ipa_edge_removal_hook): Turned into method
14069         ipa_edge_args_sum_t::remove.
14070         (ipa_edge_duplication_hook): Turned into method
14071         ipa_edge_args_sum_t::duplicate.
14072         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
14073         registering edge hooks.
14074         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
14075         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
14076         ipa_edge_args_sum instead of ipa_edge_args_vector.
14077         * ipa-profile.c (ipa_profile): Likewise.
14078
14079 2017-05-03  Martin Jambor  <mjambor@suse.cz>
14080
14081         * symbol-summary.h (function_summary): New method exists.
14082         (function_summary::symtab_removal): Deallocate through release.
14083         (call_summary): New class.
14084         (gt_ggc_mx): New overload.
14085         (gt_pch_nx): Likewise.
14086         (gt_pch_nx): Likewise.
14087
14088 2017-05-03  Jeff Law  <law@redhat.com>
14089
14090         PR tree-optimization/78496
14091         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
14092         from simplify_cond_using_ranges.  Split off code to walk
14093         backwards through casts into ...
14094         (simplify_cond_using_ranges_2): New function.
14095         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
14096         (execute_vrp): After identifying jump threads, call
14097         simplify_cond_using_ranges_2.
14098
14099 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
14100
14101         PR bootstrap/80609
14102         * ipa-inline.h (inline_summary): Add ctor.
14103         (create_ggc): Do not use ggc_cleared_alloc.
14104
14105 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
14106             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14107
14108         * gcc.c (handle_braces): Support escaping in switch matching
14109         text.
14110         * doc/invoke.texi (Spec Files): Document it.
14111         Remove superfluous @code markup in items.
14112
14113 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
14114
14115         * diagnostic-show-locus.c (struct column_range): New struct.
14116         (get_affected_columns): New function.
14117         (get_printed_columns): New function.
14118         (struct correction): New struct.
14119         (correction::ensure_capacity): New function.
14120         (correction::ensure_terminated): New function.
14121         (struct line_corrections): New struct.
14122         (line_corrections::~line_corrections): New dtor.
14123         (line_corrections::add_hint): New function.
14124         (layout::print_trailing_fixits): Reimplement in terms of the new
14125         classes.
14126         (selftest::test_overlapped_fixit_printing): New function.
14127         (selftest::diagnostic_show_locus_c_tests): Call it.
14128
14129 2017-05-03  Nathan Sidwell  <nathan@acm.org>
14130
14131         Canonicalize canonical type hashing
14132         * tree.h (type_hash_canon_hash): Declare.
14133         * tree.c (type_hash_list, attribute_hash_list): Move into
14134         type_hash_canon_hash.
14135         (build_type_attribute_qual_variant): Break out hash code calc into
14136         type_hash_canon_hash.
14137         (type_hash_canon_hash): New.  Generic type hash computation.
14138         (build_range_type_1, build_array_type_1, build_function_type,
14139         build_method_type_directly, build_offset_type, build_complex_type,
14140         make_vector_type): Call it.
14141
14142 2017-05-03  Richard Biener  <rguenther@suse.de>
14143
14144         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
14145         When all DRs have unknown misaligned do not always peel
14146         when there is a store but apply the same costing model as if
14147         there were only loads.
14148
14149 2017-05-03  Richard Biener  <rguenther@suse.de>
14150
14151         Revert
14152         PR tree-optimization/80492
14153         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
14154         compare_base_decls returning dont-know properly.
14155
14156 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14157
14158         * config/arm/iterators.md (CCSI): New mode iterator.
14159         (arch): New mode attribute.
14160         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
14161         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
14162         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
14163         code iterator for success result mode.
14164         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
14165         the corresponding new insn generators.
14166
14167 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
14168
14169         Revert r247509
14170         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14171         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
14172
14173 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
14174
14175         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
14176         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
14177         (DDR_A): Wrap DDR argument in brackets.
14178         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
14179         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
14180         (DDR_REVERSED_P): Likewise.
14181
14182 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
14183
14184         PR tree-optimization/79472
14185         * tree-switch-conversion.c (struct switch_conv_info): Add
14186         contiguous_range and default_case_nonstandard fields.
14187         (collect_switch_conv_info): Compute contiguous_range and
14188         default_case_nonstandard fields, don't clear final_bb if
14189         contiguous_range and only the default case doesn't have the required
14190         structure.
14191         (check_all_empty_except_final): Set default_case_nonstandard instead
14192         of failing if contiguous_range and the default case doesn't have empty
14193         block.
14194         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
14195         and only the default case doesn't have the required constants.  Skip
14196         virtual phis.
14197         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
14198         if default_case_nonstandard.
14199         (build_constructors): Build constant 1 just once.  Assert that default
14200         values aren't inserted in between cases if contiguous_range.  Skip
14201         virtual phis.
14202         (build_arrays): Skip virtual phis.
14203         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
14204         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
14205         Handle virtual phis.
14206         (gen_inbound_check): Handle default_case_nonstandard case.
14207         (process_switch): Adjust check_final_bb caller.  Call
14208         gather_default_values with the first non-default case instead of
14209         default case if default_case_nonstandard.
14210
14211 2017-05-02  Nathan Sidwell  <nathan@acm.org>
14212
14213         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
14214         check.  Fix formatting.
14215
14216 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
14217
14218         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
14219         errors when comparing specialized and unspecialized times.
14220
14221 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
14222
14223         * diagnostic-show-locus.c
14224         (layout::should_print_annotation_line_p): Make private.
14225         (layout::print_annotation_line): Make private.
14226         (layout::annotation_line_showed_range_p): Make private.
14227         (layout::show_ruler): Make private.
14228         (layout::print_source_line): Make private.  Pass in line and
14229         line_width, rather than calling location_get_source_line.  Drop
14230         returned value.
14231         (layout::print_leading_fixits): New method.
14232         (layout::print_any_fixits): Rename to...
14233         (layout::print_trailing_fixits): ...this, and make private.
14234         Don't print newline fixits.
14235         (diagnostic_show_locus): Move logic for printing one row into...
14236         (layout::print_line): ...this new function.  Move the
14237         location_get_source_line call and error-handling from
14238         print_source_line to here.  Call print_leading_fixits, and rename
14239         print_any_fixits to print_trailing_fixits.
14240         (selftest::test_fixit_insert_containing_newline): Update now that
14241         newlines are partially supported.
14242         (selftest::test_fixit_insert_containing_newline_2): New test.
14243         (selftest::test_fixit_replace_containing_newline): Update comments.
14244         (selftest::diagnostic_show_locus_c_tests): Call the new test.
14245         * edit-context.c (class added_line): New class.
14246         (class edited_line): Describe newline handling in comment.
14247         (edited_line::actually_edited_p): New method.
14248         (edited_line::print_content): Delete redundant decl.
14249         (edited_line::m_predecessors): New field.
14250         (edited_file::print_content): Call edited_line::print_content.
14251         (edited_file::print_diff): Update to support newlines.
14252         (edited_file::print_diff_hunk): Likewise.
14253         (edited_file::print_run_of_changed_lines): New function.
14254         (edited_file::print_diff_line): Convert to...
14255         (print_diff_line): ...this.
14256         (edited_file::get_effective_line_count): New function.
14257         (edited_line::edited_line): Initialize new field m_predecessors.
14258         (edited_line::~edited_line): Clean up m_predecessors.
14259         (edited_line::apply_fixit): Handle newlines.
14260         (edited_line::get_effective_line_count): New function.
14261         (edited_line::print_content): New function.
14262         (edited_line::print_diff_lines): New function.
14263         (selftest::test_applying_fixits_insert_containing_newline): New
14264         test.
14265         (selftest::test_applying_fixits_replace_containing_newline): New
14266         test.
14267         (selftest::insert_line): New function.
14268         (selftest::test_applying_fixits_multiple_lines): Add example of
14269         inserting a line.
14270         (selftest::edit_context_c_tests): Call the new tests.
14271
14272 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14273
14274         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
14275         parameter cand.  Update dump information.
14276         (get_computation_cost): Update uses.
14277
14278 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14279
14280         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
14281         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
14282         (get_computation_at, rewrite_use_address): Update use of
14283         get_computation_aff.
14284
14285 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14286
14287         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
14288         (get_computation): Delete.
14289         (get_computation_cost): Implement like get_computation_cost_at.
14290         Use get_computation_at.
14291         (get_computation_cost_at): Delete.
14292         (rewrite_use_nonlinear_expr): Use get_computation_at.
14293         (rewrite_use_compare, remove_unused_ivs): Ditto.
14294
14295 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14296
14297         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
14298
14299 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14300
14301         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
14302         (ivopts_global_cost_for_size): Rename parameter and update uses.
14303         (iv_ca_recount_cost): Update uses.
14304         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
14305         candidates seperately in n_invs and n_cands.
14306         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
14307
14308 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14309
14310         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
14311         (find_inv_vars_cb): New.
14312         (find_depends): Renamed to ...
14313         (find_inv_vars): ... this.
14314         (add_candidate_1, force_var_cost): Call find_inv_vars.
14315         (split_address_cost, determine_group_iv_cost_cond): Ditto.
14316
14317 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14318
14319         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
14320         inv_vars.  Add inv_exprs.
14321         (struct iv_cand): Rename depends_on to inv_vars.
14322         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
14323         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
14324         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
14325         (dump_cand): Dump inv_vars.
14326         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
14327         (record_invariant, find_depends, add_candidate_1): Ditto.
14328         (set_group_iv_cost, force_var_cost): Ditto.
14329         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
14330         (get_computation_cost_at, get_computation_cost): Ditto.
14331         (determine_group_iv_cost_generic): Ditto.
14332         (determine_group_iv_cost_address): Ditto.
14333         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
14334         (determine_group_iv_costs): Ditto.
14335         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
14336         (iv_ca_set_remove_invariants): Renamed to ...
14337         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
14338         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
14339         (iv_ca_set_add_invariants):  Renamed to ...
14340         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
14341         (iv_ca_set_cp): Use iv_ca_set_add_invs.
14342         (iv_ca_has_deps): Support inv_vars and inv_exprs.
14343         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
14344         (create_new_ivs): Remove useless dump.
14345
14346 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14347
14348         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
14349         iv_cand code.
14350         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
14351         (iv_ca_set_no_cp, create_new_iv): Ditto.
14352
14353 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
14354
14355         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
14356
14357 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
14358
14359         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
14360         function tree_check2.
14361
14362 2017-05-02  Martin Liska  <mliska@suse.cz>
14363
14364         * doc/gcov.texi: Add missing preposition.
14365         * gcov.c (function_info::function_info): Properly fill up
14366         all member variables.
14367
14368 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
14369
14370         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
14371
14372 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
14373
14374         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
14375
14376 2017-05-02  Martin Liska  <mliska@suse.cz>
14377
14378         PR lto/77954.
14379         * lto-streamer-in.c (lto_read_tree_1): Remove
14380         LTO_STREAMER_DEBUG.
14381         * lto-streamer.c (struct tree_hash_entry): Likewise.
14382         (struct tree_entry_hasher): Likewise.
14383         (tree_entry_hasher::hash): Likewise.
14384         (tree_entry_hasher::equal): Likewise.
14385         (lto_streamer_init): Likewise.
14386         (lto_orig_address_map): Likewise.
14387         (lto_orig_address_get): Likewise.
14388         (lto_orig_address_remove): Likewise.
14389         * lto-streamer.h: Likewise.
14390         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
14391         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
14392
14393 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
14394
14395         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
14396         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
14397         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
14398         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
14399         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
14400         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
14401         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
14402         (mm_maskz_sub_ss): New intrinsics.
14403         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
14404         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
14405         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
14406         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
14407         (__builtin_ia32_subss_mask_round): New builtins.
14408         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
14409         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
14410         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
14411         Renamed to ...
14412         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
14413         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
14414         Changed to ...
14415         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
14416         ... this.
14417
14418 2017-05-02  Martin Jambor  <mjambor@suse.cz>
14419
14420         PR tree-optimization/78687
14421         * tree-sra.c (access): New field parent.
14422         (process_subtree_disqualification): New function.
14423         (disqualify_candidate): Call it.
14424         (build_accesses_from_assign): Reset write flag if creating an
14425         assighnment link.
14426         (build_access_subtree): Fill in parent field and also prpagate
14427         down grp_write flag.
14428         (create_artificial_child_access): New parameter set_grp_write, set
14429         grp_write to its value.
14430         (propagate_subaccesses_across_link): Also propagate grp_write flag
14431         values.
14432         (propagate_all_subaccesses): Push the closest parent back to work
14433         queue if add_access_to_work_queue returned true.
14434
14435 2017-05-02  Richard Biener  <rguenther@suse.de>
14436
14437         * common.opt (fstrict-overflow): Alias negative to fwrapv.
14438         * doc/invoke.texi (fstrict-overflow): Remove all traces of
14439         -fstrict-overflow documentation.
14440         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
14441         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
14442         flag_strict_overflow.
14443         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
14444         * lto-opts.c (lto_write_options): Do not stream it.
14445         * lto-wrapper.c (merge_and_complain): Do not handle it.
14446         * opts.c (default_options_table): Do not set -fstrict-overflow.
14447         (finish_options): Likewise do not clear it when sanitizing.
14448         * simplify-rtx.c (simplify_const_relational_operation): Do not
14449         test flag_strict_overflow.
14450
14451 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
14452
14453         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
14454         using enabled attribute.
14455         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
14456         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
14457         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
14458         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
14459         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
14460         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
14461         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
14462         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
14463         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
14464         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
14465
14466 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
14467
14468         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
14469
14470 2017-05-02  Richard Biener  <rguenther@suse.de>
14471
14472         PR tree-optimization/80591
14473         Revert
14474         2017-04-10  Richard Biener  <rguenther@suse.de>
14475
14476         * tree-ssa-structalias.c (find_func_aliases): Properly handle
14477         asm inputs.
14478
14479 2017-05-02  Richard Biener  <rguenther@suse.de>
14480
14481         PR tree-optimization/80549
14482         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
14483         (cleanup_tree_cfg_noloop): Create forwarders to known loop
14484         headers if they do not have a preheader.
14485
14486 2017-05-02  Martin Liska  <mliska@suse.cz>
14487
14488         PR other/80589
14489         * common.opt: Fix typo.
14490         * doc/invoke.texi: Likewise.
14491
14492 2017-05-01  Jan Beulich  <jbeulich@suse.com>
14493
14494         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
14495         swapping, add (x,x,m,x,n) alternative.
14496
14497 2017-05-01  Nathan Sidwell  <nathan@acm.org>
14498
14499         * calls.c (combine_pending_stack_adjustment_and_call): Remove
14500         unnecessary unadjusted_alignment check.
14501
14502 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
14503
14504         PR c++/80038
14505         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
14506         operations here.
14507         * gimplify.c (gimplify_cilk_detach): New function.
14508         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
14509         * tree-core.h: Document EXPR_CILK_SPAWN.
14510         * tree.h (EXPR_CILK_SPAWN): Define.
14511
14512 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
14513
14514         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
14515         to use new fixit_hint representation, using the "replace" logic.
14516         (get_line_span_for_fixit_hint): Likewise.
14517         (layout::print_any_fixits): Likewise.
14518         (selftest::test_one_liner_many_fixits): Rename to...
14519         (selftest::test_one_liner_many_fixits_1): ...this, and update
14520         comment and expected output to reflect that the multiple fix-it
14521         hints are now consolidated into one insertion.
14522         (selftest::test_one_liner_many_fixits_2): New test.
14523         (selftest::test_diagnostic_show_locus_one_liner): Update for
14524         above.
14525         (selftest::test_fixit_consolidation): Update for fix-it API
14526         change.
14527         * diagnostic.c (print_parseable_fixits): Likewise.
14528         * edit-context.c (edited_line::m_line_events): Convert from
14529         auto_vec <line_event *> to auto_vec <line_event>.
14530         (class line_event): Convert from abstract base class to a concrete
14531         class, taking over the role of replace_event.
14532         (class insert_event): Delete.
14533         (class replace_event): Rename to class line_event.  Convert to
14534         half-open range.
14535         (edit_context::add_fixits): Reimplement.
14536         (edit_context::apply_insert): Delete.
14537         (edit_context::apply_replace): Rename to...
14538         (edit_context::apply_fixit): ...this.  Convert to half-open range.
14539         (edited_file::apply_insert): Delete.
14540         (edited_file::apply_replace): Rename to...
14541         (edited_file::apply_fixit): ...this.
14542         (edited_line::~edited_line): Drop deletion of events.
14543         (edited_line::apply_insert): Delete.
14544         (edited_line::apply_replace): Rename to...
14545         (edited_line::apply_fixit): ...this.  Convert to half-open range.
14546         Update for change to type of m_line_events.
14547         * edit-context.h (edit_context::apply_insert): Delete.
14548         (edit_context::apply_replace): Rename to...
14549         (edit_context::apply_fixit): ...this.
14550
14551 2017-05-01  Martin Sebor  <msebor@redhat.com>
14552
14553         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
14554         known.
14555
14556 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
14557
14558         PR target/68491
14559         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
14560         __get_cpuid_max returns 0.
14561         (__get_cpuid_count): Ditto.
14562
14563 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
14564
14565         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
14566         replacement expression is another instance of one of its arguments.
14567
14568 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
14569
14570         PR target/79430
14571         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
14572         check for stack push/pop autoinc.
14573         * config/i386/i386.c (ix86_agi_dependent): Return false
14574         if the only reason why modified_in_p returned true is that
14575         addr is SP based and set_insn is a push or pop.
14576
14577 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
14578
14579         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
14580         overflow check.
14581
14582 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
14583
14584         PR ipa/79224
14585         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
14586         (account_size_time): Use two predicates - exec_pred and
14587         nonconst_pred_ptr.
14588         (evaluate_conditions_for_known_args): Compute both clause and
14589         nonspec_clause.
14590         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
14591         (inline_summary_t::duplicate): Update.
14592         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
14593         separately.
14594         (compute_inline_parameters): Likewise.
14595         (estimate_edge_size_and_time): Update caluclation of time.
14596         (estimate_node_size_and_time): Compute both time and nonspecialized
14597         time.
14598         (estimate_ipcp_clone_size_and_time): Update.
14599         (inline_merge_summary): Update.
14600         (do_estimate_edge_time): Update.
14601         (do_estimate_edge_size): Update.
14602         (do_estimate_edge_hints): Update.
14603         (inline_read_section, inline_write_summary): Stream both new predicates.
14604         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
14605         as argument.
14606         (compute_inlined_call_time): Cleanup.
14607         (big_speedup_p): Update.
14608         (edge_badness): Update.
14609         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
14610         (size_time_entry): Replace predicate by exec_predicate and
14611         nonconst_predicate.
14612         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
14613         (estimate_edge_time): Return also nonspec_time.
14614         (reset_edge_growth_cache): Update.
14615
14616 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
14617
14618         PR rtl-optimization/80491
14619         * ifcvt.c (noce_process_if_block): When looking for x setter
14620         with missing else_bb, don't check only the insn right before
14621         cond_earliest, but look for the last insn that x is modified in
14622         within the same bb.
14623
14624         PR rtl-optimization/80491
14625         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
14626
14627 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
14628
14629         PR tree-optimization/80487
14630         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
14631
14632 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
14633
14634         PR tree-optimization/79697
14635         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
14636         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
14637         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
14638         BUILT_IN_STRNDUP.
14639         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
14640         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
14641
14642 2017-04-28  Martin Sebor  <msebor@redhat.com>
14643
14644         PR tree-optimization/80523
14645         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
14646         (init_target_to_host_charmap, target_to_host, target_strtol10): New
14647         functions.
14648         (maybe_warn, format_directive, parse_directive): Use new functions.
14649         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
14650
14651 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
14652
14653         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
14654
14655 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14656
14657         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
14658         target_header_dir): Set correctly.
14659         * configure: Regenerated.
14660         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
14661         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
14662         instead of SYSTEM_HEADER_DIR.
14663
14664 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
14665
14666         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
14667         (estimate_local_effects): Likewise.
14668         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
14669         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
14670         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
14671         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
14672         do_estimate_edge_time, estimate_edge_time): Likewise.
14673         * ipa-inline-analysis.c (estimate_node_size_and_time,
14674         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
14675         (estimate_time_after_inlining): Remove.
14676
14677 2017-04-28  Martin Liska  <mliska@suse.cz>
14678
14679         * doc/gcov.texi: Enhance documentation of gcov.
14680
14681 2017-04-28  Martin Liska  <mliska@suse.cz>
14682
14683         * doc/gcov.texi: Sort options in alphabetic order.
14684         * doc/gcov-dump.texi: Likewise.
14685         * doc/gcov-tool.texi: Likewise.
14686         * gcov.c (print_usage): Likewise.
14687         * gcov-dump.c (print_usage): Likewise.
14688         * gcov-tool.c (print_merge_usage_message): Likewise.
14689         (print_rewrite_usage_message): Likewise.
14690         (print_overlap_usage_message): Likewise.
14691
14692 2017-04-28  Martin Liska  <mliska@suse.cz>
14693
14694         PR gcov-profile/53915
14695         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
14696
14697 2017-04-28  Martin Liska  <mliska@suse.cz>
14698
14699         PR gcov-profile/79891
14700         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
14701         is marked by compiler as living on a line.
14702         (get_cycles_count): Remove usage of the union.
14703         (output_intermediate_file): Likewise.
14704         (find_source): Fix GNU coding style.
14705         (accumulate_line_counts): Remove old non-all block mode.
14706         (output_lines): Remove usage of the union.
14707         * profile.c (output_location): Include all BBs, even if
14708         belonging to a same line (and file) as a previous BB.
14709
14710 2017-04-28  Martin Liska  <mliska@suse.cz>
14711
14712         * gcov.c (process_args): Handle new argument 'w'.
14713         (read_graph_file): Assign ID to BBs.
14714         (output_branch_count): Display BB # if verbose flag is set.
14715         (output_lines): Likewise for arcs.
14716         (print_usage): Add '--verbose' option help.
14717         * doc/gcov.texi: Document --verbose (-w) option.
14718
14719 2017-04-28  Martin Liska  <mliska@suse.cz>
14720
14721         * gcov.c (struct block_location_info): New struct.
14722         (process_file): Fill up the new structure.
14723         (read_graph_file): Replace usage of encoding by the newly added
14724         struct.
14725         (add_line_counts): Likewise.
14726         (accumulate_line_counts): Remove usage of the union.
14727         (function_info::function_info): New function.
14728         (function_info::~function_info): Likewise.
14729         (process_file): Call delete instead of release_function.
14730         (release_function): Release the function.
14731         (release_structures): Call delete instead of release_function.
14732         (solve_flow_graph): Replace usage of num_blocks.
14733         (find_exception_blocks): Likewise.
14734         (output_lines): Fix GNU coding style.
14735
14736 2017-04-28  Martin Liska  <mliska@suse.cz>
14737
14738         PR driver/56469
14739         * coverage.c (coverage_remove_note_file): New function.
14740         * coverage.h: Declare the function.
14741         * toplev.c (finalize): Clean if an error has been seen.
14742
14743 2017-04-28  Martin Liska  <mliska@suse.cz>
14744
14745         PR gcov-profile/80031
14746         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
14747         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
14748         * gcov.c (read_graph_file): Read just number of blocks.
14749         * profile.c (branch_prob): Do not stream 0 flags per a basic
14750         block.
14751
14752 2017-04-28  Martin Liska  <mliska@suse.cz>
14753
14754         * gcov-dump.c (tag_*): Add new argument to declarations.
14755         (dump_gcov_file): Likewise.
14756         (tag_blocks): Add and use new argument depth.
14757         (tag_arcs): Likewise.
14758         (tag_lines): Likewise.
14759         (tag_counters): Likewise.
14760         (tag_summary): Likewise.
14761         (dump_working_sets): Use depth to do a proper indentation.
14762
14763 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
14764
14765         PR bootstrap/80531
14766         * cgraph.h (symtab_node::debug_symtab): No longer inline.
14767         * symtab.c (symtab_node::debug_symtab): Move definition here.
14768
14769 2017-04-28  Richard Biener  <rguenther@suse.de>
14770
14771         * lto-streamer.h (LTO_major_version): Bump to 7.
14772
14773 2017-04-28  Richard Biener  <rguenther@suse.de>
14774
14775         * tree-vrp.c (assert_info): New struct.
14776         (add_assert_info): New helper.
14777         (register_edge_assert_for_2): Refactor to add asserts to a vector
14778         of assert_info.
14779         (register_edge_assert_for_1): Likewise.
14780         (register_edge_assert_for): Likewise.
14781         (finish_register_edge_assert_for): New helper actually registering
14782         asserts where live on edge.
14783         (find_conditional_asserts): Adjust.
14784         (find_switch_asserts): Likewise.
14785         (evrp_dom_walker::try_find_new_range): Generalize.
14786         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
14787
14788 2017-04-27  Marek Polacek  <polacek@redhat.com>
14789
14790         PR sanitizer/80349
14791         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
14792         arg10 and arg11 to itype.
14793
14794 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
14795
14796         * doc/extend.texi (Object Size Checking): Improve grammar.
14797
14798 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
14799
14800         PR target/80530
14801         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
14802         that the logic for permitting reciprocal estimates matches that
14803         in use_rsqrt_p.
14804
14805 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
14806
14807         PR c++/80534
14808         * tree.c (type_cache_hasher::equal): Only compare
14809         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
14810         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
14811         non-aggregate element types.
14812         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
14813         about the flag on ARRAY_TYPEs in the comment, formatting fix.
14814
14815 2017-04-27  Richard Biener  <rguenther@suse.de>
14816
14817         PR middle-end/80533
14818         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
14819         stripping ARRAY_REFs from MEM_EXPR make sure we're not
14820         keeping a reference to a trailing array.
14821
14822 2017-04-27  Richard Biener  <rguenther@suse.de>
14823
14824         PR middle-end/80539
14825         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
14826         being in loop-closed SSA form conservatively.
14827         (chrec_fold_multiply_poly_poly): Likewise.
14828
14829 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
14830
14831         PR middle-end/79665
14832         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
14833         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
14834
14835 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
14836
14837         PR target/77728
14838         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
14839         (aarch64_function_arg_alignment): Return unsigned int again, but still
14840         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
14841         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
14842         Don't emit -Wpsabi note.
14843         (aarch64_function_arg_boundary): Likewise.
14844         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
14845         caller.
14846
14847 2017-04-26  Nathan Sidwell  <nathan@acm.org>
14848
14849         * tree.h (crc32_unsigned_n): Declare.
14850         (crc32_unsigned, crc32_unsigned): Make inline.
14851         * tree.c (crc32_unsigned_bits): Replace with ...
14852         (crc32_unsigned_n): ... this.
14853         (crc32_unsigned, crc32_byte): Remove.
14854         (crc32_string): Remove unnecessary braces.
14855
14856 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
14857
14858         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
14859         * ipa-inline-analysis.c (MAX_TIME): Remove.
14860         (account_size_time): Use sreal for time.
14861         (dump_inline_summary): Update.
14862         (estimate_function_body_sizes): Update.
14863         (estimate_edge_size_and_time): Update.
14864         (estimate_calls_size_and_time): Update.
14865         (estimate_node_size_and_time): Update.
14866         (inline_merge_summary): Update.
14867         (inline_update_overall_summary): Update.
14868         (estimate_time_after_inlining): Update.
14869         (inline_read_section): Update.
14870         (inline_write_summary): Update.
14871         * ipa-inline.c (compute_uninlined_call_time): Update.
14872         (compute_inlined_call_time): Update.
14873         (recursive_inlining): Update.
14874         (inline_small_functions): Update.
14875         (dump_overall_stats): Update.
14876         * ipa-inline.h: Include sreal.h.
14877         (size_time_entry): Turn time to sreal.
14878         (inline_summary): Turn self_time nad time to sreal.
14879
14880 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
14881
14882         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
14883         data-streamer.h
14884         (sreal::stream_out, sreal::stream_in): New.
14885         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
14886
14887 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
14888
14889         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
14890         environment.
14891
14892 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
14893
14894         PR target/70799
14895         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
14896         Handle ASHIFTRT.
14897         (dimode_scalar_chain::compute_convert_gain): Ditto.
14898         (dimode_scalar_chain::make_vector_copies): Ditto.
14899         (dimode_scalar_chain::convert_reg): Ditto.
14900         (dimode_scalar_chain::convert_insn): Ditto.
14901         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
14902         (VI248_AVX512BW_1): New mode iterator.
14903         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
14904         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
14905         mode iterator.
14906
14907 2017-04-25  Martin Sebor  <msebor@redhat.com>
14908
14909         PR tree-optimization/80497
14910         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
14911         constants are representable in HOST_WIDE_INT.
14912         (parse_directive): Ditto.
14913
14914 2017-04-25  Martin Sebor  <msebor@redhat.com>
14915
14916         PR bootstrap/80486
14917         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
14918         (new_zero_array): Adjust signature.
14919         (dom_info::dom_init): Used unsigned rather that size_t.
14920         (dom_info::dom_info): Same.
14921
14922 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14923             Jakub Jelinek  <jakub@redhat.com>
14924
14925         PR target/77728
14926         * config/arm/arm.c: Include gimple.h.
14927         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
14928         returns negative, increment ncrn only if it returned positive.
14929         (arm_needs_doubleword_align): Return int instead of bool,
14930         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
14931         members, but if there is any such non-FIELD_DECL
14932         > PARM_BOUNDARY aligned decl, return -1 instead of false.
14933         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
14934         returns negative, increment nregs only if it returned positive.
14935         (arm_setup_incoming_varargs): Likewise.
14936         (arm_function_arg_boundary): Emit -Wpsabi note if
14937         arm_needs_doubleword_align returns negative, return
14938         DOUBLEWORD_ALIGNMENT only if it returned positive.
14939
14940 2017-04-25  Marek Polacek  <polacek@redhat.com>
14941
14942         PR sanitizer/80349
14943         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
14944         first argument to type.
14945
14946 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
14947
14948         PR target/80482
14949         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
14950         type checks to test for compatibility instead of equality.
14951
14952 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14953             Jakub Jelinek  <jakub@redhat.com>
14954
14955         PR target/77728
14956         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
14957         type.
14958         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
14959         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
14960         the alignment computation, but return their maximum in warn_alignment.
14961         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
14962         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
14963         is smaller.
14964         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
14965         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
14966         caller.
14967
14968 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
14969
14970         * config/arc/simdext.md (dmpyh): Fix typo.
14971
14972 2017-04-25  Richard Biener  <rguenther@suse.de>
14973
14974         PR tree-optimization/80492
14975         * alias.c (compare_base_decls): Handle registers with asm
14976         specification conservatively.
14977         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
14978         compare_base_decls returning dont-know properly.
14979
14980 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
14981
14982         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
14983         (legitimate_offset_address_p): New function.
14984         (arc_legitimate_address_p): Use above function.
14985
14986 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
14987
14988         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
14989
14990 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
14991
14992         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
14993         ACCH registers whenever they are available.
14994
14995 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
14996
14997         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
14998         double regs fix when not used.
14999
15000 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
15001
15002         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
15003         core registers.
15004         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
15005         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
15006
15007 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
15008
15009         * config/arc/arc.c (arc_output_addsi): Check for h-register class
15010         when emitting short ADD instructions.
15011
15012 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
15013
15014         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
15015         constraint.
15016         (cmpsi_cc_c_insn): Likewise.
15017         (cbranchsi4_scratch): Compute proper instruction length using
15018         compact_hreg_operand.
15019         * config/arc/predicates.md (compact_hreg_operand): New predicate.
15020
15021 2017-04-25  Richard Biener  <rguenther@suse.de>
15022
15023         PR middle-end/80509
15024         * passes.c (pass_manager::pass_manager): Initialize
15025         m_name_to_pass_map.
15026
15027 2017-04-25  Richard Biener  <rguenther@suse.de>
15028
15029         PR tree-optimization/79201
15030         * tree-ssa-sink.c (statement_sink_location): Handle calls.
15031
15032 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15033
15034         PR target/80464
15035         * config/s390/vector.md: Split MEM->GPR vector moves for
15036         non-s_operand addresses.
15037
15038 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15039
15040         PR target/79895
15041         * config/s390/predicates.md (reload_const_wide_int_operand): New
15042         predicate.
15043         * config/s390/s390.md ("movti"): Remove d/P alternative.
15044         ("movti_bigconst"): New pattern definition.
15045
15046 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15047
15048         PR target/80080
15049         * s390-protos.h (s390_expand_cs_hqi): Removed.
15050         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
15051         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
15052         modes as well as CCZ1mode and CCZmode.
15053         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
15054         signature of s390_emit_compare_and_swap.
15055         (s390_expand_cs_hqi): Likewise, make static.
15056         (s390_expand_cs_tdsi): Generate an explicit compare before trying
15057         compare-and-swap, in some cases.
15058         (s390_expand_cs): Wrapper function.
15059         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
15060         atomic_exchange.
15061         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
15062         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
15063         patterns for small and large integers.  Forbid symref memory operands.
15064         Move expander to s390.c.  Require cc register.
15065         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
15066         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
15067         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
15068         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
15069         symref memory operands.  Remove CC mode and call s390_match_ccmode
15070         instead.
15071         ("atomic_exchange<mode>"): Allow and implement all integer modes.
15072
15073 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15074
15075         * config/s390/s390.md (define_peephole2): New peephole to help
15076         combining the load-and-test pattern with volatile memory.
15077
15078 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15079
15080         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
15081         with CCZmode for TARGET_Z196.
15082
15083 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
15084
15085         PR rtl-optimization/80501
15086         * combine.c (make_compound_operation_int): Set subreg_code to SET
15087         even for AND with mask of the sign bit of mode.
15088
15089         PR rtl-optimization/80500
15090         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
15091         sum's initial value.
15092
15093 2017-04-25  Julian Brown  <julian@codesourcery.com>
15094             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
15095
15096         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
15097
15098 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
15099
15100         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
15101
15102 2017-04-25  Julian Brown  <julian@codesourcery.com>
15103             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
15104
15105         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
15106         (thunderx2t99_sha): New Reservation.
15107
15108 2017-04-25  Julian Brown  <julian@codesourcery.com>
15109             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
15110
15111         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
15112         type for 1-element load.
15113
15114 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
15115
15116         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
15117
15118 2017-04-24  Martin Jambor  <mjambor@suse.cz>
15119
15120         PR tree-optimization/80293
15121         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
15122         char arrays not totally scalarizable if it is false.
15123         (analyze_all_variable_accesses): Pass correct value in the new
15124         parameter.  Add a statistics counter.
15125
15126 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
15127
15128         PR middle-end/79931
15129         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
15130
15131 2017-04-24  Richard Biener  <rguenther@suse.de>
15132
15133         PR tree-optimization/80494
15134         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
15135         out for complex types.
15136
15137 2017-04-24  Richard Biener  <rguenther@suse.de>
15138
15139         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
15140         * tree-ssa-sccvn.c (print_scc): Print SCC size.
15141         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
15142         (DFS): Adjust and never fail.
15143         (sccvn_dom_walker::fail): Remove.
15144         (sccvn_dom_walker::before_dom_children): Adjust.
15145         (run_scc_vn): Likewise and never fail.
15146         * tree-ssa-pre.c (pass_pre::execute): Adjust.
15147         (pass_fre::execute): Likewise.
15148
15149 2017-04-24  Richard Biener  <rguenther@suse.de>
15150
15151         PR tree-optimization/79725
15152         * tree-ssa-sink.c (statement_sink_location): Return whether
15153         failure reason was zero uses.  Move that check later.
15154         (sink_code_in_bb): Deal with zero uses by removing the stmt
15155         if possible.
15156
15157 2017-04-24  Richard Biener  <rguenther@suse.de>
15158
15159         PR c++/2972
15160         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
15161         pointer-based references.
15162
15163 2017-04-24  Richard Biener  <rguenther@suse.de>
15164
15165         PR bootstrap/79814
15166         * pass_manager.h (pass_manager::operator new): Remove.
15167         (pass_manager::operator delete): Likewise.
15168         * passes.c (pass_manager::operator new): Remove.
15169         (pass_manager::operator delete): Likewise.
15170         (pass_manager::pass_manager): Zero individual pass members.
15171
15172 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
15173
15174         PR target/70799
15175         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
15176         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
15177         Check "XEXP (src, 1)" operand here.
15178         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
15179         Check "XEXP (src, 1)" operand here.
15180         (dimode_scalar_chain::make_vector_copies): Detect count register
15181         of a shift instruction.  Zero extend count register from QImode
15182         to DImode to satisfy vector shift pattern count operand predicate.
15183         Substitute vector shift count operand with a DImode copy.
15184         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
15185         vector register.
15186
15187 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
15188
15189         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
15190         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
15191         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
15192         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
15193         (UNSPEC_NOREX_MEM): Remove definition.
15194
15195 2017-04-21  Richard Biener  <rguenther@suse.de>
15196
15197         PR tree-optimization/79547
15198         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
15199         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
15200         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
15201         without any constraints.
15202
15203 2017-04-21  Richard Biener  <rguenther@suse.de>
15204
15205         PR tree-optimization/78847
15206         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
15207
15208 2017-04-21  Richard Biener  <rguenther@suse.de>
15209
15210         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
15211         (build_distinct_type_copy): Likewise.
15212         (build_variant_type_copy): Likewise.
15213         * tree.c (build_qualified_type): Pass down mem-stat info.
15214         (build_distinct_type_copy): Likewise.
15215         (build_variant_type_copy): Likewise.
15216
15217 2017-04-21  Richard Biener  <rguenther@suse.de>
15218
15219         PR tree-optimization/80237
15220         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
15221         defaulted to NULL.
15222         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
15223         for a simplified result.
15224
15225 2016-04-21  Richard Biener  <rguenther@suse.de>
15226
15227         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
15228         sth as strict as a simple_iv but a chrec without symbols and an
15229         operand defined in the loop we are peeling (and not some subloop).
15230         (propagate_constants_for_unrolling): Propagate all constants.
15231
15232 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
15233
15234         PR target/79804
15235         * config/i386/i386.c (print_reg): Remove assert for disalowed
15236         regno values, call output_operand_lossage instead.
15237
15238 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
15239
15240         PR target/78090
15241         * config/i386/constraints.md (Yc): New register constraint.
15242         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
15243         Use Yc constraint for alternative 2 of operand 0.  Remove
15244         preferred_for_speed attribute.
15245
15246 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
15247
15248         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
15249         lastprivate clauses in SIMT case.
15250
15251 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
15252
15253         * doc/invoke.texi (-Wextra-semi): Document new warning option.
15254
15255 2017-04-20  Richard Biener  <rguenther@suse.de>
15256
15257         PR tree-optimization/57796
15258         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
15259         as N scalar stores.
15260         (vect_model_load_cost): Cost gathers as N scalar loads.
15261
15262 2017-04-20  Richard Biener  <rguenther@suse.de>
15263
15264         * ggc-page.c (ggc_allocated_p): Rename to ...
15265         (safe_lookup_page_table_entry): ... this and return the lookup
15266         result.
15267         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
15268
15269 2017-04-20  Richard Biener  <rguenther@suse.de>
15270
15271         PR tree-optimization/80453
15272         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
15273         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
15274         from the conditions.
15275         (vn_phi_eq): Pass them down.
15276         (vn_phi_lookup): Record them.
15277         (vn_phi_insert): Likewise.
15278
15279 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
15280
15281         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
15282         uninitialized variable warning to avoid buffer overrun.
15283
15284 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
15285
15286         PR other/71250
15287         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
15288         is suppressed for '{ 0 }' in C.
15289
15290 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
15291
15292         * BASE-VER: Set to 8.0.0.
15293
15294 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15295
15296         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
15297         priority .init_array and .fini_array section with SECTION_NOTYPE
15298         flag.
15299
15300 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
15301
15302         PR middle-end/80423
15303         * tree.h (build_array_type): Add typeless_storage default argument.
15304         * tree.c (type_cache_hasher::equal): Also compare
15305         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
15306         (build_array_type): Add typeless_storage argument, set
15307         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
15308         recursive call.
15309         (build_nonshared_array_type): Adjust build_array_type_1 caller.
15310         (build_array_type): Likewise.  Add typeless_storage argument.
15311
15312 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
15313             Jakub Jelinek  <jakub@redhat.com>
15314
15315         PR tree-optimization/80426
15316         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
15317         operation on symbolic operands, also compute the overflow for the
15318         invariant part when the operation degenerates into a negation.
15319
15320 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
15321
15322         PR debug/80461
15323         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
15324         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
15325
15326         PR debug/80436
15327         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
15328
15329 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
15330
15331         PR target/80462
15332         * config/avr/avr.c (tree.h): Include it.
15333         (cgraph.h): Include it.
15334         (avr_encode_section_info): Don't warn for uninitialized progmem
15335         variable if it's just an alias.
15336
15337 2017-04-19  Richard Biener  <rguenther@suse.de>
15338
15339         PR ipa/65972
15340         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
15341         when needed by AutoPGO.
15342
15343 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
15344
15345         PR lto/50345
15346         * doc/lto.texi: Remove an extra 'that'.
15347
15348 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
15349
15350         PR rtl-optimization/80429
15351         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
15352         are only used in debug insns.
15353
15354 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
15355             Vladimir Makarov  <vmakarov@redhat.com>
15356
15357         * config/sparc/predicates.md (input_operand): Add comment.  Return
15358         true for any memory operand when LRA is in progress.
15359         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
15360
15361 2017-04-18  Jeff Law  <law@redhat.com>
15362
15363         PR target/74563
15364         * mips.md ({return,simple_return}_internal): Do not overwrite
15365         operands[0].
15366
15367 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
15368
15369         PR tree-optimization/80443
15370         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
15371         instead of adding 1, subtract -1 and similarly instead of subtracting
15372         1 add -1.
15373
15374 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
15375
15376         PR rtl-optimization/80357
15377         * haifa-sched.c (tmp_bitmap): New variable.
15378         (model_recompute): Handle duplicate use records.
15379         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
15380         (free_global_sched_pressure_data): Free it.
15381
15382 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15383
15384         Revert:
15385         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
15386         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
15387         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
15388         instead of SYSTEM_HEADER_DIR.
15389
15390 2017-04-18  Jeff Law  <law@redhat.com>
15391
15392         PR middle-end/80422
15393         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
15394         predecessors after walking up the insn chain.
15395
15396 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
15397
15398         PR debug/80263
15399         * dwarf2out.c (modified_type_die): Try harder not to emit internal
15400         sizetype type into debug info.
15401
15402 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
15403
15404         PR target/80099
15405         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
15406         unneeded test for TARGET_UPPER_REGS_SF.
15407         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
15408
15409 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
15410
15411         PR sanitizer/80444
15412         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
15413         instead of gsi_after_labels.
15414
15415 2017-04-18  Jeff Law  <law@redhat.com>
15416
15417         * regcprop.c (maybe_mode_change): Avoid creating copies of the
15418         stack pointer.
15419
15420         Revert:
15421         2017-04-13  Jeff Law  <law@redhat.com>
15422         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
15423         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
15424
15425 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
15426
15427         PR target/79453
15428         * config/avr/avr.c (intl.h): Include it.
15429         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
15430
15431 2017-04-18  Martin Liska  <mliska@suse.cz>
15432
15433         PR gcov-profile/78783
15434         * gcov-tool.c (gcov_output_files): Validate that destination
15435         file is either removed by the tool or by a user.
15436
15437 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
15438             Guy Benyei  <guybe@mellanox.com>
15439
15440         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
15441         block, and do not negate it, the stored id is already negative.
15442
15443 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
15444
15445         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
15446
15447 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15448
15449         PR target/80098
15450         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
15451         masks of options that should be turned off if the VSX vector
15452         options are turned off.
15453         (OTHER_P8_VECTOR_MASKS): Likewise.
15454         (OTHER_VSX_VECTOR_MASKS): Likewise.
15455         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
15456         rs6000_disable_incompatible_switches to validate no type switches
15457         like -mvsx.
15458         (rs6000_incompatible_switch): New function to disallow turning on
15459         other vector options if -mno-vsx, -mno-power8-vector, or
15460         -mno-power9-vector are specified.
15461
15462 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
15463
15464         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
15465
15466 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
15467
15468         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
15469         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
15470         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
15471         (ARG_POINTER_CFA_OFFSET): Likewise.
15472
15473 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
15474
15475         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
15476         conditions to take advantage of various optimizations.
15477
15478 2017-04-13  Jeff Law  <law@redhat.com>
15479
15480         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
15481         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
15482         (zero_extendsidi2_dext): Likewise.
15483
15484 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
15485
15486         PR sanitizer/80403
15487         * fold-const.c (fold_ternary_loc): Revert
15488         use op0 instead of fold_convert_loc (loc, type, arg0) part of
15489         2017-04-12 change.
15490
15491 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
15492
15493         PR rtl-optimization/80343
15494         * lra-remat.c (update_scratch_ops): Assign original hard reg to
15495         new scratch pseudo.
15496
15497 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
15498
15499         PR sanitizer/80414
15500         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
15501         to ubsan_encode_value.
15502
15503 2017-04-13  Jeff Law  <law@redhat.com>
15504
15505         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
15506         appearing in DEBUG_INSNs.
15507
15508 2017-04-13  Martin Liska  <mliska@suse.cz>
15509
15510         PR gcov-profile/80413
15511         * gcov-io.c (gcov_write_string): Copy to buffer just when
15512         allocated size is greater than zero.
15513
15514 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
15515
15516         PR debug/80321
15517         * dwarf2out.c (decls_for_scope): Ignore declarations of
15518         current_function_decl in BLOCK_NONLOCALIZED_VARS.
15519
15520 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
15521
15522         PR lto/69953
15523         * ipa-visibility.c (non_local_p): Fix typos.
15524         (localize_node): When localizing symbol in same comdat group,
15525         dissolve the group only when we know external symbols are going
15526         to be privatized.
15527         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
15528
15529 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
15530
15531         PR tree-optimization/79390
15532         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
15533         order does not result in usable sequence, retry with reversed operand
15534         order.
15535
15536         PR sanitizer/80403
15537         PR sanitizer/80404
15538         PR sanitizer/80405
15539         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
15540         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
15541         op0 instead of fold_convert_loc (loc, type, arg0).
15542
15543 2017-04-12  Jeff Law  <law@redhat.com>
15544
15545         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
15546         has a delay slot in the generated code.
15547
15548         * config/cris/cris.md (cris_preferred_reload_class): Return
15549         GENNONACR_REGS rather than GENERAL_REGS.
15550
15551 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
15552
15553         PR c/80163
15554         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
15555         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
15556         signedness of the result type.
15557
15558 2017-04-12  Richard Biener  <rguenther@suse.de>
15559             Jeff Law  <law@redhat.com>
15560
15561         PR tree-optimization/80359
15562         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
15563         trim stores to TARGET_MEM_REFs.
15564
15565 2017-04-12  Richard Biener  <rguenther@suse.de>
15566
15567         PR tree-optimization/79390
15568         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
15569         threading case even more.
15570
15571 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
15572
15573         PR target/80382
15574         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
15575         for quad_address_p for TImode, instead of just not indexed_address.
15576
15577 2017-04-12  Richard Biener  <rguenther@suse.de>
15578             Bernd Edlinger  <bernd.edlinger@hotmail.de>
15579
15580         PR middle-end/79671
15581         * alias.c (component_uses_parent_alias_set_from): Handle
15582         TYPE_TYPELESS_STORAGE.
15583         (get_alias_set): Likewise.
15584         * tree-core.h (tree_type_common): Add typeless_storage flag.
15585         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
15586         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
15587         for types containing members with TYPE_TYPELESS_STORAGE.
15588         (place_field): Likewise.
15589         (layout_type): Likewise for ARRAY_TYPE.
15590         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
15591         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
15592         TYPE_TYPELESS_STORAGE.
15593         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
15594
15595 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
15596
15597         PR sanitizer/80349
15598         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
15599         first argument to type.
15600
15601 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15602
15603         PR target/80376
15604         PR target/80315
15605         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
15606         CONST0_RTX (mode) rather than const0_rtx where appropriate.
15607         (rs6000_expand_binop_builtin): Likewise.
15608         (rs6000_expand_ternop_builtin): Likewise; also add missing
15609         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
15610         vshasigma built-ins.
15611         * doc/extend.texi: Document that vec_xxpermdi's third argument
15612         must be a constant.
15613
15614 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
15615
15616         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
15617         Use shift_const cost parameter when calculating gain of STV shifts.
15618
15619 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
15620
15621         PR rtl-optimization/70478
15622         * lra-constraints.c (process_alt_operands): Check memory for
15623         disfavoring memory insn operand.
15624
15625 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
15626
15627         PR middle-end/80100
15628         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
15629         left shift in unsigned HOST_WIDE_INT type.
15630
15631         PR rtl-optimization/80385
15632         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
15633         (not (neg X)) into (plus X -1) for complex or non-integral modes.
15634
15635         PR libgomp/80394
15636         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
15637         if they have any depend clauses.
15638
15639 2017-04-11  Martin Liska  <mliska@suse.cz>
15640
15641         PR ipa/80212
15642         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
15643         * ipa-split.c (split_function): Create a local comdat symbol
15644         if caller is in a comdat group.
15645
15646 2017-04-11  Martin Liska  <mliska@suse.cz>
15647
15648         PR ipa/80212
15649         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
15650         flags.
15651
15652 2017-04-11  Martin Sebor  <msebor@redhat.com>
15653
15654         PR middle-end/80364
15655         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
15656         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
15657         for INTEGER_TYPE.
15658         (directive::set_width, directive::set_precision, format_character):
15659         Adjust.
15660         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
15661         INTEGER_TYPE.
15662
15663 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
15664
15665         PR target/80389
15666         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
15667         conflict, set target->arch_name instead of target->cpu_name.
15668
15669 2017-04-11  Richard Biener  <rguenther@suse.de>
15670
15671         PR tree-optimization/80374
15672         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
15673         build_zero_cst, remove fold_convertible_p check again.
15674
15675 2017-04-11  Martin Liska  <mliska@suse.cz>
15676
15677         PR sanitizer/70878
15678         * ubsan.c (instrument_object_size): Do not instrument register
15679         variables.
15680
15681 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
15682
15683         PR target/80381
15684         * config/i386/i386-builtin-types.def
15685         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
15686         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
15687         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
15688         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
15689         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
15690         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
15691         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
15692         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
15693         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
15694         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
15695         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
15696         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
15697         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
15698         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
15699         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
15700         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
15701         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
15702         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
15703         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
15704         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
15705         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
15706         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
15707         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
15708         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
15709         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
15710         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
15711         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
15712         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
15713         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
15714         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
15715         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
15716         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
15717         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
15718         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
15719         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
15720         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
15721         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
15722         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
15723         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
15724         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
15725         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
15726         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
15727         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
15728         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
15729         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
15730         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
15731         aliases.
15732         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
15733         flag to second_arg_count, handle 4 argument function type _COUNT
15734         aliases, handle second_arg_count on second argument rather than last.
15735
15736 2017-04-10  Jeff Law  <law@redhat.com>
15737
15738         PR tree-optimization/80374
15739         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
15740         record anything if we can not convert integer_zero_node to the
15741         desired type.
15742
15743 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
15744
15745         PR target/80108
15746         * config/rs6000/rs6000.c (rs6000_option_override_internal):
15747         Enhance special handling given to the TARGET_P9_MINMAX option in
15748         relation to certain other options.
15749
15750 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
15751
15752         PR tree-optimization/80153
15753         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
15754         remove POINTER_PLUS_EXPR's base part directly, rather than through
15755         aff_tree.
15756
15757 2017-04-10  Richard Biener  <rguenther@suse.de>
15758             Bin Cheng  <bin.cheng@arm.com>
15759
15760         PR tree-optimization/80153
15761         * tree-affine.c (aff_combination_to_tree): Get base pointer from
15762         the first element of pointer type aff_tree.  Build result expr in
15763         aff_tree's type.
15764         (add_elt_to_tree): Convert to type unconditionally.  Remove other
15765         fold_convert calls.
15766         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
15767         (rewrite_use_nonlinear_expr): Check invariant using iv information.
15768
15769 2017-04-10  Richard Biener  <rguenther@suse.de>
15770
15771         * tree-ssa-structalias.c (find_func_aliases): Properly handle
15772         asm inputs.
15773
15774 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
15775
15776         PR rtl-optimization/70478
15777         * lra-constraints.c (curr_small_class_check): New.
15778         (update_and_check_small_class_inputs): New.
15779         (process_alt_operands): Update curr_small_class_check.  Disfavor
15780         alternative insn memory operands.  Check available regs for small
15781         class operands.
15782
15783 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
15784
15785         PR target/80057
15786         * config/mips/mips.opt (-mvirt): Update description.
15787         * doc/invoke.texi (-mvirt): Likewise.
15788
15789 2017-04-10  Richard Biener  <rguenther@suse.de>
15790
15791         PR middle-end/80362
15792         * fold-const.c (fold_binary_loc): Look at unstripped ops when
15793         looking for NEGATE_EXPR in -A / -B to A / B folding.
15794
15795 2017-04-10  Martin Liska  <mliska@suse.cz>
15796
15797         PR gcov-profile/80224
15798         * gcov.c (print_usage): Fix usage string.
15799         (get_gcov_intermediate_filename): Remove.
15800         (output_gcov_file): Use both for normal and intermediate format.
15801         (generate_results): Do not initialize special file for
15802         intermediate format.
15803
15804 2017-04-10  Richard Biener  <rguenther@suse.de>
15805
15806         PR tree-optimization/80304
15807         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
15808         for safelen.
15809
15810 2017-04-10  Nathan Sidwell  <nathan@acm.org>
15811
15812         PR target/79905
15813         * config/rs6000/rs6000.c (rs6000_vector_type): New.
15814         (rs6000_init_builtins): Use it.
15815
15816 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15817
15818         * config/arm/arm.md (<mrc>): Add mode to SET source.
15819         (<mrrc>): Likewise.
15820
15821 2017-04-10  Richard Biener  <rguenther@suse.de>
15822
15823         PR middle-end/80344
15824         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
15825
15826 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
15827
15828         PR target/80324
15829         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
15830         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
15831         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
15832         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
15833         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
15834         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
15835         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
15836         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
15837         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
15838         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
15839         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
15840         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
15841         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
15842         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
15843         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
15844         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
15845         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
15846         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
15847         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
15848         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
15849         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
15850         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
15851         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
15852
15853 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
15854
15855         PR rtl-optimization/70478
15856         * lra-constraints.c: Reverse the last patch.
15857
15858 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
15859
15860         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
15861         Add comment for WCHAR_T.
15862
15863 2017-04-08  Martin Liska  <mliska@suse.cz>
15864
15865         Revert:
15866         2017-04-07  Martin Liska  <mliska@suse.cz>
15867
15868         PR ipa/80212
15869         * ipa-split.c (split_function): Add function part to a same comdat
15870         group.
15871
15872 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
15873
15874         PR target/80358
15875         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
15876
15877 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
15878
15879         * rs6000/rs6000.c (vec_load_pendulum): Rename...
15880         (vec_pairing): ...to this.
15881         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
15882         (rs6000_sched_init): Adjust for name change.
15883         (struct rs6000_sched_context): Likewise.
15884         (rs6000_init_sched_context): Likewise.
15885         (rs6000_set_sched_context): Likewise.
15886
15887 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
15888
15889         PR target/80322
15890         PR target/80323
15891         PR target/80325
15892         PR target/80326
15893         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
15894         intrinsics.
15895         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
15896         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
15897         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
15898
15899 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
15900
15901         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
15902
15903 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
15904
15905         PR rtl-optimization/70703
15906         * ira-color.c (update_conflict_hard_regno_costs): Use
15907         int64_t instead of HOST_WIDE_INT.
15908
15909 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
15910
15911         PR rtl-optimization/70478
15912         * lra-constraints.c (process_alt_operands): Disfavor alternative
15913         insn memory operands.
15914
15915 2017-04-07  Jeff Law  <law@redhat.com>
15916
15917         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
15918         CALL and NOTE_INSN_CALL_ARG_LOCATION.
15919
15920 2017-04-07  Martin Liska  <mliska@suse.cz>
15921
15922         PR target/79889
15923         * config/aarch64/aarch64.c (aarch64_process_target_attr):
15924         Show error message instead of an ICE.
15925
15926 2017-04-07  Martin Liska  <mliska@suse.cz>
15927
15928         PR ipa/80212
15929         * ipa-split.c (split_function): Add function part to a same comdat
15930         group.
15931
15932 2017-04-07  Richard Biener  <rguenther@suse.de>
15933
15934         PR middle-end/80341
15935         * tree.c (get_unwidened): Also handle ! for_type case for
15936         INTEGER_CSTs.
15937         * convert.c (do_narrow): Split out from ...
15938         (convert_to_integer_1): ... here.  Do not pass final truncation
15939         type to get_unwidened for TRUNC_DIV_EXPR.
15940
15941 2017-04-07  Richard Biener  <rguenther@suse.de>
15942
15943         * tree-affine.c (wide_int_ext_for_comb): Take type rather
15944         than aff_tree.
15945         (aff_combination_const): Adjust.
15946         (aff_combination_scale): Likewise.
15947         (aff_combination_add_elt): Likewise.
15948         (aff_combination_add_cst): Likewise.
15949         (aff_combination_convert): Likewise.
15950         (add_elt_to_tree): Likewise.  Remove unused argument.
15951         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
15952
15953 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15954
15955         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
15956         definition.
15957         * config/arm/arm.c (arm_default_short_enums): Use
15958         ARM_DEFAULT_SHORT_ENUMS.
15959         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
15960
15961 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
15962
15963         PR debug/80234
15964         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
15965         members with redundant out-of-class redeclaration.
15966
15967 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
15968
15969         PR target/80286
15970         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
15971         * config/i386/i386.md (*zero_extendsidi2):
15972         Add (?*x,*x) and (?*v,*v) alternatives.
15973
15974 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
15975
15976         PR target/79733
15977         * config/i386/i386.c (ix86_expand_builtin)
15978         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
15979         mode from insn data. Convert operands to insn operand mode.
15980         Copy operands that don't satisfy insn predicate to a register.
15981
15982 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
15983
15984         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
15985         Update comments.
15986
15987 2017-04-06  Richard Biener  <rguenther@suse.de>
15988
15989         PR tree-optimization/80334
15990         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
15991         preserve alignment of accesses.
15992
15993 2017-04-06  Richard Biener  <rguenther@suse.de>
15994
15995         PR tree-optimization/80262
15996         * tree-sra.c (build_ref_for_offset): Preserve address-space
15997         information.
15998         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
15999         Drop useless address-space information on MEM_REF offsets.
16000
16001 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
16002
16003         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
16004
16005 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
16006
16007         PR rtl-optimization/70703
16008         * ira-color.c (update_conflict_hard_regno_costs): Use
16009         HOST_WIDE_INT instead of long.
16010
16011 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
16012
16013         PR target/80298
16014         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
16015         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
16016         is not defined.
16017         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
16018         for x86_64 target.  Handle -m3dnowa option.
16019
16020 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
16021
16022         PR rtl-optimization/70703
16023         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
16024         (update_conflict_hard_regno_costs): Use long instead of unsigned
16025         arithmetic for cost calculation.
16026
16027 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
16028             Bernd Edlinger  <bernd.edlinger@hotmail.de>
16029
16030         PR sanitizer/80308
16031         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
16032         for big endian.
16033
16034 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
16035
16036         PR target/78002
16037         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
16038         ptr_mode with Pmode throughout.
16039         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
16040         into probe_stack_range and use DImode.
16041
16042 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
16043
16044         PR target/79890
16045         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
16046         call_eh_return is true.
16047
16048 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16049
16050         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
16051         Initialize last_match_fntype_index.
16052
16053 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
16054
16055         PR target/80310
16056         * tree-nvr.c: Include internal-fn.h.
16057         (pass_return_slot::execute): Ignore internal calls without
16058         direct optab.
16059
16060 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
16061             Richard Biener  <rguenther@suse.de>
16062
16063         PR c++/80297
16064         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
16065         captures used multiple times, except for the last use.
16066         * generic-match-head.c: Include gimplify.h.
16067
16068 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
16069
16070         PR tree-optimization/79390
16071         * target.h (struct noce_if_info): Declare.
16072         * targhooks.h (default_noce_conversion_profitable_p): Declare.
16073         * target.def (noce_conversion_profitable_p): New target hook.
16074         * ifcvt.h (struct noce_if_info): New type, moved from ...
16075         * ifcvt.c (struct noce_if_info): ... here.
16076         (noce_conversion_profitable_p): Renamed to ...
16077         (default_noce_conversion_profitable_p): ... this.  No longer
16078         static nor inline.
16079         (noce_try_store_flag_constants, noce_try_addcc,
16080         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
16081         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
16082         instead of noce_conversion_profitable_p.
16083         * config/i386/i386.c: Include ifcvt.h.
16084         (ix86_option_override_internal): Don't override
16085         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
16086         (ix86_noce_conversion_profitable_p): New function.
16087         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
16088         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
16089         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
16090         * doc/tm.texi: Regenerated.
16091
16092 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16093
16094         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
16095         correction.
16096
16097 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16098
16099         PR target/80307
16100         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
16101         instructions for small multiply cores.
16102
16103 2017-04-04  Jeff Law  <law@redhat.com>
16104
16105         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
16106         added member.
16107         (mips_expand_vec_perm_const): Initialize elements in orig_perm
16108         that are not set by the loop over the elements.
16109
16110 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
16111
16112         PR target/80286
16113         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
16114         int mode, convert_modes it to mode as unsigned, otherwise use
16115         lowpart_subreg to mode rather than SImode.
16116         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
16117         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
16118         Use DImode instead of SImode for the shift count operand.
16119         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
16120         Likewise.
16121
16122 2017-04-04  Richard Biener  <rguenther@suse.de>
16123
16124         PR middle-end/80281
16125         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
16126         arithmetic done for the negate or the plus.  Simplify.
16127         (A - (-B) -> A + B): Likewise.
16128         * fold-const.c (split_tree): Make sure to not negate pointers.
16129
16130 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
16131
16132         PR rtl-optimization/60818
16133         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
16134         a compare of comparisons with the thing compared if this results
16135         in a different machine mode.
16136
16137 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
16138
16139         * alias.c (base_alias_check): Fix typo in comment.
16140         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
16141         * cgraphunit.c (symbol_table::compile): Likewise.
16142         * collect2.c (maybe_run_lto_and_relink): Likewise.
16143         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
16144         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
16145         * config/avr/avr.c (avr_map_op_t): Likewise.
16146         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
16147         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
16148         * config/epiphany/epiphany.md (movcc): Likewise.
16149         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
16150         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
16151         Likewise.
16152         * config/mips/mips.c (mips_save_restore_reg): Likewise.
16153         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
16154         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
16155         * config/sh/sh.c (sh_rtx_costs): Likewise.
16156         * fold-const.c (fold_truth_andor): Likewise.
16157         * genautomata.c (collapse_flag): Likewise.
16158         * gengtype.h (struct type::u::s): Likewise.
16159         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
16160         * input.c (FORMAT_AMOUNT): Likewise.
16161         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
16162         (known_aggs_to_agg_replacement_list): Likewise.
16163         * ipa-inline-analysis.c: Likewise.
16164         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
16165         * ipa-polymorphic-call.c
16166         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
16167         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
16168         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
16169         Likewise.
16170         * modulo-sched.c (apply_reg_moves): Likewise.
16171         * omp-expand.c (build_omp_regions_1): Likewise.
16172         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
16173         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
16174         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
16175         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
16176         * value-prof.c: Likewise.
16177         * var-tracking.c (val_reset): Likewise.
16178
16179 2017-04-03  Richard Biener  <rguenther@suse.de>
16180
16181         PR tree-optimization/80275
16182         * fold-const.c (split_address_to_core_and_offset): Handle
16183         POINTER_PLUS_EXPR.
16184
16185 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
16186
16187         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
16188         descriptors is at least equal to that of functions.
16189
16190 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
16191
16192         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
16193
16194 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
16195
16196         PR target/80250
16197         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
16198         (mov<IMOD4:mode>): New expander.
16199         (*mov<IMOD4:mode>_internal): New insn and split pattern.
16200
16201 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
16202
16203         PR rtl-optimization/79405
16204         * fwprop.c (propagations_left): New variable.
16205         (forward_propagate_into): Decrement it.
16206         (fwprop_init): Initialize it.
16207         (fw_prop): If the variable has reached zero, stop propagating.
16208         (fwprop_addr): Ditto.
16209
16210 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
16211
16212         PR debug/79255
16213         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
16214         a FUNCTION_DECL, pass it as decl instead of origin to
16215         process_scope_var.
16216
16217 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
16218
16219         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
16220         string.
16221
16222 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
16223
16224         PR target/80107
16225         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
16226         TARGET_VSX_SMALL_INTEGER.
16227
16228 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16229
16230         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
16231         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
16232
16233 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
16234
16235         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
16236         extraction from odd-numbered MSA register.
16237
16238 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
16239
16240         PR middle-end/80173
16241         * expmed.c (store_bit_field_1): Don't attempt to create
16242         a word subreg out of hard registers wider than word if they
16243         have HARD_REGNO_NREGS of 1 for their mode.
16244
16245         PR middle-end/80163
16246         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
16247         conversions to integer types wider than word and pointer.
16248
16249         PR debug/80025
16250         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
16251         (rtx_equal_for_cselib_p): Pass 0 to it.
16252         * cselib.c (cselib_hasher::equal): Likewise.
16253         (rtx_equal_for_cselib_1): Add depth argument.  If depth
16254         is 128, don't look up VALUE locs and punt.  Increment
16255         depth in recursive calls when walking VALUE locs.
16256
16257 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16258
16259         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
16260         (make_gcov_file_name): Use the canonical path name for generating
16261         the MD5 value.
16262         (read_line): Fix handling of files with ascii null bytes.
16263
16264 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
16265
16266         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
16267         to initialise a vector register instead
16268         of using a const_int.
16269
16270 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
16271
16272         PR translation/80189
16273         * gimplify.c (omp_default_clause): Use %qs instead of %s in
16274         diagnostic messages.
16275
16276 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
16277
16278         PR target/80246
16279         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
16280         (dfp_diex_<mode>): Update mode of operand 1.
16281         * doc/extend.texi (dxex, dxexq): Document change to return type.
16282         (diex, diexq): Document change to argument type.
16283
16284 2017-03-30  Martin Jambor  <mjambor@suse.cz>
16285
16286         PR ipa/77333
16287         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
16288         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
16289         it reflects the signature changes performed at the callee side.
16290         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
16291         to cgraph_build_function_type_skip_args.
16292         (build_function_decl_skip_args): Adjust call to the above function.
16293
16294 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
16295
16296         PR target/80206
16297         * config/i386/sse.md
16298         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
16299         register as dest whenever it is a MEM not rtx_equal_p to the
16300         corresponding dup operand, and when forcing into reg move the
16301         reg into the memory afterwards.
16302         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
16303         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
16304         for the force_reg mode.
16305         (avx512vl_vextractf128<mode>): Use register as dest either
16306         always when a MEM, or when it is a MEM not rtx_equal_p to the
16307         corresponding dup operand, or even not when it is a CONST_VECTOR
16308         depending on the mode and lo vs. hi.
16309         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
16310         parens.
16311         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
16312         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
16313         Likewise.  Require that operands[2] is even.
16314         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
16315         Remove extraneous parens.  Require that operands[2] is a multiple
16316         of 4.
16317         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
16318         operands[0] is a MEM if <mask_applied>, the predicates/constraints
16319         disallow memory then.
16320
16321 2017-03-30  Richard Biener  <rguenther@suse.de>
16322
16323         PR tree-optimization/77498
16324         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
16325         to non-constants over backedges.
16326
16327 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
16328
16329         PR rtl-optimization/80233
16330         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
16331         as last_combined_insn.  Do not test for BARRIER_P separately.
16332
16333 2017-03-29  Andreas Schwab  <schwab@suse.de>
16334
16335         PR ada/80146
16336         * calls.c (prepare_call_address): Convert funexp to Pmode before
16337         copying to temp reg.
16338
16339 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16340
16341         PR tree-optimization/80158
16342         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
16343         Handle possible future case of more than one alternate
16344         interpretation.
16345         (replace_rhs_if_not_dup): Likewise.
16346         (replace_one_candidate): Likewise.
16347
16348 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
16349
16350         PR rtl-optimization/80193
16351         * ira.c (ira): Do not check allocation for LRA.
16352
16353 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
16354
16355         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
16356         (nvptx_output_simt_exit): Declare.
16357         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
16358         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
16359         (init_softstack_frame): Move initialization of crtl->is_leaf to...
16360         (nvptx_declare_function_name): ...here.  Emit declaration of local
16361         memory space buffer for omp_simt_enter insn.
16362         (nvptx_output_unisimt_switch): New.
16363         (nvptx_output_softstack_switch): New.
16364         (nvptx_output_simt_enter): New.
16365         (nvptx_output_simt_exit): New.
16366         * config/nvptx/nvptx.h (struct machine_function): New fields
16367         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
16368         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
16369         (UNSPECV_SIMT_EXIT): Ditto.
16370         (omp_simt_enter_insn): New insn.
16371         (omp_simt_enter): New expansion.
16372         (omp_simt_exit): New insn.
16373         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
16374
16375         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
16376         (expand_GOMP_SIMT_ENTER_ALLOC): New.
16377         (expand_GOMP_SIMT_EXIT): New.
16378         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
16379         (GOMP_SIMT_ENTER_ALLOC): Ditto.
16380         (GOMP_SIMT_EXIT): Ditto.
16381         * target-insns.def (omp_simt_enter): New insn.
16382         (omp_simt_exit): Ditto.
16383         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
16384         simt_dlist.
16385         (lower_rec_simd_input_clauses): Implement SIMT privatization.
16386         (lower_rec_input_clauses): Likewise.
16387         (lower_lastprivate_clauses): Handle SIMT privatization.
16388
16389         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
16390         (ompdevlow_adjust_simt_enter): New.
16391         (find_simtpriv_var_op): New.
16392         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
16393         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
16394
16395         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
16396         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
16397         (copy_decl_for_dup_finish): Ditto.
16398
16399         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
16400
16401 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
16402
16403         PR target/53383
16404         * config/i386/i386.c (ix86_option_override_internal): Always
16405         allow -mpreferred-stack-boundary=3 for 64-bit targets.
16406
16407 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
16408
16409         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
16410
16411 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
16412
16413         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
16414         mark new edge's irreducible flag accordign to it.
16415         (vect_do_peeling): Check loop preheader edge's irreducible flag
16416         and pass it to function slpeel_add_loop_guard.
16417
16418 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
16419
16420         PR tree-optimization/80218
16421         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
16422         Update block frequencies and counts.
16423
16424 2017-03-28  Richard Biener  <rguenther@suse.de>
16425
16426         PR tree-optimization/78644
16427         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
16428         of a simplification result we may not use it at all.
16429
16430 2017-03-28  Richard Biener  <rguenther@suse.de>
16431
16432         PR ipa/80205
16433         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
16434         without arguments, generate default definition of a SSA name.
16435
16436 2017-03-28  Richard Biener  <rguenther@suse.de>
16437
16438         PR middle-end/80222
16439         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
16440         TYPE_REF_CAN_ALIAS_ALL references.
16441         * fold-const.c (fold_indirect_ref_1): Likewise.
16442
16443 2017-03-28  Martin Liska  <mliska@suse.cz>
16444
16445         PR ipa/80104
16446         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
16447         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
16448
16449 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
16450             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
16451
16452         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
16453         (EXTRA_SPECS): Define.
16454         (SUBTARGET_EXTRA_SPECS): Likewise.
16455         (SUBTARGET_CPP_SPEC): Likewise.
16456         * config/arc/elf.h (EXTRA_SPECS): Renamed to
16457         SUBTARGET_EXTRA_SPECS.
16458         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
16459
16460 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
16461
16462         * config/arc/simdext.md (vst64_insn): Update pattern.
16463         (vld32wh_insn): Likewise.
16464         (vld32wl_insn): Likewise.
16465         (vld64_insn): Likewise.
16466         (vld32_insn): Likewise.
16467
16468 2017-03-28  Marek Polacek  <polacek@redhat.com>
16469
16470         PR sanitizer/80067
16471         * fold-const.c (fold_comparison): Use protected_set_expr_location
16472         instead of SET_EXPR_LOCATION.
16473
16474 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
16475
16476         * tree.c (add_expr): Avoid name lookup warning.
16477
16478 2017-03-27  Jeff Law  <law@redhat.com>
16479
16480         PR tree-optimization/80216
16481         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
16482         function name.  Limit recursion depth.
16483         (record_temporary_equivalences): Corresponding changes.
16484
16485 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
16486
16487         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
16488         covered first.
16489
16490 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
16491
16492         PR target/80102
16493         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
16494         notes.
16495         * cfgcleanup.c (reg_note_cfa_p): New array.
16496         (insns_have_identical_cfa_notes): New function.
16497         (old_insns_match_p): Don't cross-jump in between /f
16498         and non-/f instructions.  If both i1 and i2 are frame related,
16499         verify all CFA notes, their order and content.
16500
16501 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
16502
16503         PR target/78543
16504         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
16505         HImode and SImode with zero extend to DImode to one insn.
16506         (bswap<mode>2_extenddi): Likewise.
16507         (bswapsi2_extenddi): Likewise.
16508         (bswaphi2_extendsi): Likewise.
16509         (bswaphi2): Combine bswap HImode and SImode into one insn.
16510         Separate memory insns from swapping register.
16511         (bswapsi2): Likewise.
16512         (bswap<mode>2): Likewise.
16513         (bswaphi2_internal): Delete, no longer used.
16514         (bswapsi2_internal): Likewise.
16515         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
16516         store, and gpr<-gpr swap insns.
16517         (bswap<mode>2_store): Likewise.
16518         (bswaphi2_reg): Register only splitter, combine with the splitter.
16519         (bswaphi2 splitter): Likewise.
16520         (bswapsi2_reg): Likewise.
16521         (bswapsi2 splitter): Likewise.
16522         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
16523         the insns into load, store, and register/register insns.
16524         (bswapdi2_ldbrx): Likewise.
16525         (bswapdi2_load): Likewise.
16526         (bswapdi2_store): Likewise.
16527         (bswapdi2_reg): Likewise.
16528
16529 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
16530
16531         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
16532         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
16533
16534 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16535
16536         PR target/80103
16537         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
16538         add comments.
16539         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
16540         special handling for target option conflicts between dform
16541         options (-mpower9-dform, -mpower9-dform-vector,
16542         -mpower9-dform-scalar) and -mno-direct-move.
16543
16544 2017-03-27  Richard Biener  <rguenther@suse.de>
16545
16546         PR tree-optimization/80181
16547         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
16548
16549 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
16550
16551         * config/arc/predicates.md (move_double_src_operand): Replace the
16552         call to move_double_src_operand with a call to address_operand.
16553
16554 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
16555
16556         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
16557         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
16558         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
16559
16560 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
16561
16562         * config/arc/predicates.md (long_immediate_loadstore_operand):
16563         Consider scaled addresses cases.
16564
16565 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
16566
16567         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
16568         restored when in interrupt.
16569         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
16570         doesn't have delay slot.
16571
16572 2017-03-27  Richard Biener  <rguenther@suse.de>
16573
16574         PR ipa/79776
16575         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
16576         inlined thunk clones.
16577
16578 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
16579
16580         PR sanitizer/80168
16581         * asan.c (instrument_derefs): Copy over last operand from
16582         original COMPONENT_REF to the new COMPONENT_REF with
16583         DECL_BIT_FIELD_REPRESENTATIVE.
16584         * ubsan.c (instrument_object_size): Likewise.
16585
16586 2017-03-27  Richard Biener  <rguenther@suse.de>
16587
16588         PR tree-optimization/80170
16589         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
16590         sure DR/SCEV didnt fold in constants we do not see when looking
16591         at the reference base alignment.
16592
16593 2017-03-27  Richard Biener  <rguenther@suse.de>
16594
16595         PR middle-end/80171
16596         * gimple-fold.c (fold_ctor_reference): Properly guard against
16597         NULL return value from canonicalize_constructor_val.
16598
16599 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
16600
16601         PR target/80180
16602         * config/i386/i386.c (ix86_expand_builtin)
16603         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
16604         flags reg setting and flags reg using instructions.
16605         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
16606         clobbering instructions to zero extend op2.
16607
16608 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
16609
16610         * doc/install.texi (Configuration) <--with-aix-soname>:
16611         Update link to AIX ld.
16612
16613 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
16614
16615         PR rtl-optimization/80160
16616         PR rtl-optimization/80159
16617         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
16618         reg_alternate_class into account.
16619
16620 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
16621
16622         PR target/80148
16623         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
16624         to consider in curr_insn_transform.
16625
16626 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
16627
16628         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
16629         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
16630         and emit_mode_inner.
16631
16632 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16633
16634         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
16635         argument to the overloaded builtin variants.  Use the new flag to
16636         deprecate certain builtin variants.
16637         * config/s390/s390-builtin-types.def: Add new builtin types.
16638         * config/s390/s390-builtins.h: Support new flags field for
16639         overloaded builtins.
16640         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
16641         (s390_macro_to_expand): Enable vector float data type.
16642         (s390_cpu_cpp_builtins_internal): Indicate support of the new
16643         builtins by incrementing the __VEC__ version number.
16644         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
16645         vec_xst.
16646         (s390_resolve_overloaded_builtin): Emit error messages depending
16647         on the builtin flags.
16648         * config/s390/s390.c (s390_expand_builtin): Support additional
16649         flags argument.  Change error message to match the messages
16650         emitted in s390-c.c.
16651         * config/s390/s390.md: New UNSPEC_* constants.
16652         (op_type): Add new instruction types.
16653         * config/s390/vecintrin.h: Add new builtins and test data class
16654         constants.
16655         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
16656         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
16657         (VEC_INEXACT, VEC_NOINEXACT): New constants.
16658         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
16659         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
16660         ("vec_mergel<mode>"): V_HW -> VEC_HW.
16661
16662         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
16663         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
16664         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
16665         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
16666
16667         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
16668         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
16669         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
16670         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
16671
16672         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
16673         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
16674         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
16675         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
16676         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
16677         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
16678         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
16679
16680         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
16681         ("vec_scatter_element<V_HW_4:mode>_DI")
16682         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
16683         ("vec_fpint<mode>", "vflls")
16684         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
16685         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
16686         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
16687         ("*vec_cmphe<mode>_cc"): ... these.
16688
16689         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
16690         mode constant instead of magic value.
16691
16692 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16693
16694         * config/s390/s390.c (s390_expand_vec_compare): Support other
16695         vector floating point modes than just V2DF.
16696         (s390_expand_vcond): Likewise.
16697         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
16698         (s390_cannot_change_mode_class): Prevent mode changes between TF
16699         and V1TF in vector registers.
16700         * config/s390/s390.md (DF, SF): New mode attributes.
16701         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
16702         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
16703         SFmode support for VRs.
16704         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
16705         vector fp modes.
16706         (VFT, VF_HW): New mode iterators.
16707         (vw, sdx): New mode attributes.
16708         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
16709         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
16710         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
16711         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
16712         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
16713         also the new vector floating point modes.  Renaming to ...
16714
16715         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
16716         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
16717         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
16718         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
16719         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
16720         ("vec_unordered<mode>"): ... these.
16721
16722         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
16723         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
16724         ("*vec_extendv2df"): New insn definitions.
16725
16726 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16727
16728         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
16729         ("mulditi3_2", "*muldi3_sign"): New patterns.
16730         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
16731         rename the pattern definition.
16732
16733 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16734
16735         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
16736         expander.
16737         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
16738
16739 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16740
16741         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
16742         instruction if possible.
16743         * config/s390/vector.md (vec_halfnumelts): New mode
16744         attribute.
16745         ("*vec_vllezlf<mode>"): New pattern.
16746
16747 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16748
16749         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
16750         ("popcountv4si2", "popcountv2di2"): Rename to ...
16751         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
16752         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
16753         condition.
16754         ("popcount<mode>2_vxe"): New pattern.
16755
16756 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16757
16758         * common/config/s390/s390-common.c (processor_flags_table): Add
16759         arch12.
16760         * config.gcc: Add arch12.
16761         * config/s390/driver-native.c (s390_host_detect_local_cpu):
16762         Default to arch12 for unknown CPU model numbers.
16763         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
16764         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
16765         PROCESSOR_max sanity check.
16766         * config/s390/s390-opts.h (enum processor_type): Add
16767         PROCESSOR_ARCH12.
16768         * config/s390/s390.c (processor_table): Add arch12.
16769         (s390_expand_builtin): Add check for B_VXE flag.
16770         (s390_issue_rate): Add PROCESSOR_ARCH12.
16771         (s390_get_sched_attrmask): Likewise.
16772         (s390_get_unit_mask): Likewise.
16773         (s390_sched_score): Enable z13 scheduling for arch12.
16774         (s390_sched_reorder): Likewise.
16775         (s390_sched_variable_issue): Likewise.
16776         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
16777         PF_VXE.
16778         (s390_tune_attr): Use z13 scheduling also for arch12.
16779         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
16780         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
16781         (TARGET_VXE_P): New macros.
16782         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
16783         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
16784         * config/s390/s390.opt: Add arch12 as processor_type.
16785
16786 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16787
16788         * config/s390/s390.md
16789         ("fixuns_truncdddi2", "fixuns_trunctddi2")
16790         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
16791         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
16792
16793         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
16794         Rename expanders to ...
16795
16796         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
16797         ("fixuns_truncdddi2_emu"): ... these.
16798
16799         ("fixuns_trunc<mode>si2_emu"): New expander.
16800
16801         ("*fixuns_truncdfdi2_z13"): Rename to ...
16802         ("*fixuns_truncdfdi2_vx"): ... this.
16803
16804 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16805
16806         * config/s390/2964.md: Remove the single element vector compare
16807         instructions which are no longer used.
16808         * config/s390/s390.c (s390_select_ccmode): Remove handling of
16809         vector CCmodes.
16810         (s390_canonicalize_comparison): Remove handling of DFmode
16811         compares.
16812         (s390_expand_vec_compare_scalar): Remove function.
16813         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
16814         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
16815         pattern.
16816         ("*cmp<mode>_ccs"): Add wfcdb instruction.
16817
16818 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16819
16820         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
16821         FP zero.
16822         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
16823         will anyway by matched by mov<mode>_64dfp.
16824
16825 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16826
16827         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
16828         vlef/vstef.  Add missing operand to vleif.
16829
16830 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16831
16832         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
16833         pair for all vector types with 64 bit elements.
16834         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
16835         * config/s390/vector.md (V_HW_64): ... here.
16836         (V_128_NOSINGLE): New mode iterator.
16837         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
16838         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
16839         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
16840         ("*vec_load_pairv2di"): Change to ...
16841         ("*vec_load_pair<mode>"): ... this one.
16842
16843 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16844
16845         * config/s390/constraints.md: Add comments.
16846         (jKK): Reject element sizes > 8 bytes.
16847         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
16848         s_operands.
16849         * config/s390/s390.md: Add the s_operand checks formerly in
16850         s390_split_ok_p to various splitters where they are still
16851         required.
16852         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
16853         for 128 bit vectors.  Plus two splitters.
16854
16855 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16856
16857         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
16858         the file.
16859
16860 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
16861
16862         PR target/79893
16863         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
16864         error if the boundary argument is not constant.
16865
16866 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
16867
16868         PR rtl-optimization/80112
16869         * loop-doloop.c (doloop_condition_get): Don't check condition
16870         if cmp isn't SET with IF_THEN_ELSE src.
16871
16872 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16873
16874         PR tree-optimization/80158
16875         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
16876         replacing a candidate statement, also replace it for the
16877         candidate's alternate interpretation.
16878         (replace_rhs_if_not_dup): Likewise.
16879         (replace_one_candidate): Likewise.
16880
16881 2017-03-24  Richard Biener  <rguenther@suse.de>
16882
16883         PR tree-optimization/80167
16884         * graphite-isl-ast-to-gimple.c
16885         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
16886         properly.
16887         (translate_isl_ast_to_gimple::get_rename): Likewise.
16888
16889 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16890
16891         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
16892         handling of certain combinations of target options, including the
16893         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
16894         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
16895
16896 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16897
16898         PR target/71436
16899         * config/arm/arm.md (*load_multiple): Add reload_completed to
16900         matching condition.
16901
16902 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16903             Richard Biener  <rguenth@suse.de>
16904
16905         PR tree-optimization/79908
16906         PR tree-optimization/80136
16907         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
16908         been cast away, gimplify_and_add suffices.
16909
16910 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
16911
16912         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
16913
16914 2017-03-23  Richard Biener  <rguenther@suse.de>
16915
16916         PR tree-optimization/80032
16917         * gimplify.c (gimple_push_cleanup): Forced unconditional
16918         cleanups still have to go to the conditional_cleanups
16919         sequence.
16920
16921 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
16922
16923         PR tree-optimization/80072
16924         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
16925         to unsigned int.
16926         (next_operand_entry_id): Change type to unsigned int.
16927         (sort_by_operand_rank): Make sure to return the right return value
16928         even if unsigned fields are bigger than INT_MAX.
16929         (struct oecount): Change cnt and id type to unsigned int.
16930         (oecount_hasher::equal): Formatting fix.
16931         (oecount_cmp): Make sure to return the right return value
16932         even if unsigned fields are bigger than INT_MAX.
16933         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
16934
16935         PR c++/80129
16936         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
16937         TREE_READONLY on result if writing it more than once.
16938
16939         PR sanitizer/80110
16940         * doc/invoke.texi (-fsanitize=thread): Document that with
16941         -fnon-call-exceptions atomics are not able to throw
16942         exceptions.
16943
16944         PR sanitizer/80110
16945         * tsan.c: Include tree-eh.h.
16946         (instrument_builtin_call): Call maybe_clean_eh_stmt or
16947         maybe_clean_or_replace_eh_stmt where needed.
16948         (instrument_memory_accesses): Add cfg_changed argument.
16949         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
16950         if it returned true.
16951         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
16952
16953         PR rtl-optimization/63191
16954         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
16955         wrapper function, moved the whole old content into ...
16956         (ix86_delegitimize_address_1): ... this.  New inline function.
16957         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
16958         true as last argument instead of ix86_delegitimize_address.
16959
16960 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
16961
16962         * config/aarch64/aarch64.c (generic_branch_cost): Copy
16963         cortexa57_branch_cost.
16964
16965 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
16966
16967         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
16968
16969 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
16970
16971         PR target/80123
16972         * doc/md.texi (Constraints): Document wA constraint.
16973         * config/rs6000/constraints.md (wA): New.
16974         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
16975         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
16976         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
16977         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
16978
16979 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
16980
16981         PR c++/80029
16982         * gimplify.c (is_oacc_declared): New function.
16983         (oacc_default_clause): Use it to set default flags for acc declared
16984         variables inside parallel regions.
16985         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
16986         declared variables.
16987         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
16988         declare attribute to any decl as necessary.
16989
16990 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16991
16992         PR target/80082
16993         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
16994         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
16995         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
16996         (arm_arch_lpae): This.
16997         * config/arm/arm.c (arm_arch7ve): Rename into ...
16998         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
16999         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
17000         arm_arch_lpae.
17001
17002 2017-03-22  Martin Liska  <mliska@suse.cz>
17003
17004         PR target/79906
17005         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
17006         error message instead of an ICE.
17007
17008 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17009
17010         * doc/extend.texi (6.11 Additional Floating Types): Revise.
17011
17012 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17013
17014         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
17015         comments.
17016         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
17017         comments.
17018
17019 2017-03-21  Martin Sebor  <msebor@redhat.com>
17020
17021         * doc/extend.texi: Use "cannot" instead of "can't."
17022         * doc/hostconfig.texi: Same.
17023         * doc/install.texi: Same.
17024         * doc/invoke.texi: Same.
17025         * doc/loop.texi: Same.
17026         * doc/md.texi: Same.
17027         * doc/objc.texi: Same.
17028         * doc/rtl.texi: Same.
17029         * doc/tm.texi: Same.
17030         * doc/tm.texi.in: Same.
17031         * doc/trouble.texi: Same.
17032
17033 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
17034
17035         PR debug/63238
17036         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
17037         (collect_checksum_attributes): Set it.
17038         (die_checksum_ordered): Use it.
17039
17040 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17041
17042         PR tree-optimization/79908
17043         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
17044         change: For a VA_ARG whose LHS has been cast away, use
17045         force_gimple_operand to construct the side effects.
17046
17047 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
17048
17049         PR translation/80001
17050         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
17051         more amenable to translation.
17052         (oacc_loop_auto_partitions): Likewise.
17053
17054 2017-03-21  Marek Polacek  <polacek@redhat.com>
17055             Martin Sebor  <msebor@redhat.com>
17056
17057         PR tree-optimization/80109
17058         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
17059         on INTEGRAL_TYPE_P.
17060
17061 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
17062             Segher Boessenkool  <segher@kernel.crashing.org>
17063
17064         PR target/80125
17065         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
17066         check reg_used_between_p between insn and one of succ or succ2
17067         depending on if succ is artificial insn not inserted into insn
17068         stream.
17069
17070 2017-03-21  Martin Liska  <mliska@suse.cz>
17071
17072         PR gcov-profile/80081
17073         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
17074         * doc/gcc.texi: Include gcov-dump stuff.
17075         * doc/gcov-dump.texi: New file.
17076
17077 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
17078
17079         PR rtl-optimization/79150
17080         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
17081         conditional jump, if the jump is the last insn of the loop.
17082
17083 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17084             Richard Biener  <rguenth@suse.de>
17085
17086         PR tree-optimization/79908
17087         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
17088         been cast away, use force_gimple_operand to construct the side
17089         effects.
17090
17091 2017-03-21  Martin Liska  <mliska@suse.cz>
17092
17093         PR libfortran/79956
17094         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
17095         to NULL.
17096
17097 2017-03-21  Brad Spengler <spender@grsecurity.net>
17098
17099         PR plugins/80094
17100         * plugin.c (htab_hash_plugin): New function.
17101         (add_new_plugin): Use it and adjust.
17102         (parse_plugin_arg_opt): Adjust.
17103         (init_one_plugin): Likewise.
17104
17105 2017-03-21  Richard Biener  <rguenther@suse.de>
17106
17107         PR tree-optimization/80032
17108         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
17109         if set force the cleanup to happen unconditionally.
17110         (gimplify_target_expr): Push inserted clobbers with force_uncond
17111         to avoid them being removed by control-dependent DCE.
17112
17113 2017-03-21  Richard Biener  <rguenther@suse.de>
17114
17115         PR tree-optimization/80122
17116         * tree-inline.c (copy_bb): Do not expans va-arg packs or
17117         va_arg_pack_len when the inlined call stmt requires pack
17118         expansion itself.
17119         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
17120
17121 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
17122
17123         PR sanitizer/78158
17124         * tsan.c (instrument_builtin_call): If the memory model argument
17125         is not a constant, assume it is valid.
17126
17127         PR c/67338
17128         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
17129         avoid UB.
17130
17131 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
17132
17133         PR rtl-optimization/79910
17134         * combine.c (can_combine_p): Do not allow combining an I0 or I1
17135         if its dest is used by an insn before I2 (other than the combined
17136         insns themselves, which are properly handled already).
17137
17138 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
17139
17140         Revert:
17141         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
17142
17143         * combine.c (record_used_regs): New static function.
17144         (try_combine): Handle situations where there is an additional
17145         instruction between I2 and I3 which needs to have a LOG_LINK
17146         updated.
17147
17148         Revert:
17149         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
17150
17151         * combine.c (try_combine): Delete redundant i1 test.  Call
17152         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
17153
17154 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
17155
17156         PR target/80083
17157         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
17158         alternatives 13/14.
17159
17160 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17161
17162         PR tree-optimization/80054
17163         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
17164         the optimization if a PHI or any of its arguments is not dominated
17165         by the candidate's basis.  Use gphi* rather than gimple* as
17166         appropriate.
17167         (replace_profitable_candidates): Clean up a gimple* variable that
17168         should be a gphi* variable.
17169
17170 2017-03-20  Martin Sebor  <msebor@redhat.com>
17171
17172         PR c++/52477
17173         * doc/extend.texi (attribute constructor): Document present limitation.
17174
17175 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17176
17177         PR target/79963
17178         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
17179         __POWER9_VECTOR__ #ifdef control, change template definition to
17180         use Power9-specific built-in function.
17181         (vec_any_eq): Likewise.
17182         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
17183         to control outcomes from this test.
17184         (vector_ae_<mode>p): For VEC_F modes, likewise.
17185
17186 2017-03-20  Ian Lance Taylor  <iant@google.com>
17187
17188         * config/i386/i386.c (ix86_function_regparm): Save an extra
17189         register for -fsplit-stack with DECL_STATIC_CHAIN.
17190
17191 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
17192
17193         PR target/79912
17194         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
17195         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
17196
17197 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
17198
17199         * config/riscv/riscv.c (riscv_print_operand): Use "fence
17200         iorw,ow".
17201         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
17202         iorw,iorw".
17203
17204 2017-03-20  Marek Polacek  <polacek@redhat.com>
17205
17206         PR sanitizer/80063
17207         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
17208
17209 2017-03-20  Richard Biener  <rguenther@suse.de>
17210
17211         PR tree-optimization/80113
17212         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
17213         allocate extra SSA name for PHI def.
17214         (add_close_phis_to_outer_loops): Likewise.
17215         (add_close_phis_to_merge_points): Likewise.
17216         (copy_loop_close_phi_args): Likewise.
17217         (copy_cond_phi_nodes): Likewise.
17218
17219 2017-03-20  Martin Liska  <mliska@suse.cz>
17220
17221         PR middle-end/79753
17222         * tree-chkp.c (chkp_build_returned_bound): Do not build
17223         returned bounds for a LHS that's not a BOUNDED_P type.
17224
17225 2017-03-20  Martin Liska  <mliska@suse.cz>
17226
17227         PR target/79769
17228         PR target/79770
17229         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
17230         COMPLEX_CST and VECTOR_CST.
17231
17232 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17233
17234         PR target/78857
17235         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
17236         target operand.  A new splitter adds the clobber statement in case
17237         the target operand is dead anyway.
17238
17239 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
17240
17241         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
17242         to age-old versions of binutils and glibc.
17243
17244 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
17245
17246         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
17247
17248 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
17249
17250         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
17251
17252 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
17253
17254         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
17255         requirement for binutils 2.13.
17256
17257 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
17258
17259         * combine.c (try_combine): Delete redundant i1 test.  Call
17260         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
17261
17262 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
17263
17264         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
17265         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
17266         contents.
17267         <riscv64-*-elf>: Re-arrange section
17268         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
17269         <riscv32-*-linux>: Likewise.
17270         <riscv64-*-elf>: Likewise
17271         <riscv64-*-linux>: Likewise.
17272
17273 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
17274
17275         PR target/80052
17276         * aarch64.opt(verbose-cost-dump): Fix typo.
17277
17278 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
17279
17280         PR target/79951
17281         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
17282         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
17283
17284 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
17285
17286         * reload.c (find_reloads): When reloading a nonoffsettable address,
17287         use RELOAD_OTHER for it and its address reloads.
17288
17289         PR rtl-optimization/79910
17290         * combine.c (record_used_regs): New static function.
17291         (try_combine): Handle situations where there is an additional
17292         instruction between I2 and I3 which needs to have a LOG_LINK
17293         updated.
17294
17295 2017-03-17  Jeff Law  <law@redhat.com>
17296
17297         PR tree-optimization/71437
17298         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
17299         conditional in the hash table first.
17300         (vrp_dom_walker::before_dom_children): Extract condition from
17301         ASSERT_EXPR.  Record condition, its inverion and any implied
17302         conditions as well.
17303
17304 2017-03-17  Marek Polacek  <polacek@redhat.com>
17305             Markus Trippelsdorf  <markus@trippelsdorf.de>
17306
17307         PR tree-optimization/80079
17308         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
17309         m_stores_head.
17310
17311 2017-03-17  Richard Biener  <rguenther@suse.de>
17312
17313         PR middle-end/80075
17314         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
17315         Properly verify the LHS before the RHS possibly claims to be
17316         handled.
17317         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
17318         do not throw.
17319
17320 2017-03-17  Martin Jambor  <mjambor@suse.cz>
17321
17322         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
17323         (List of -O2 options): Likewise.
17324         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
17325         (-fipa-vrp) New.
17326
17327 2017-03-17  Tom de Vries  <tom@codesourcery.com>
17328
17329         * gcov-dump.c (print_usage): Print bug_report_url.
17330
17331 2017-03-17  Richard Biener  <rguenther@suse.de>
17332
17333         PR middle-end/80050
17334         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
17335         (parser::peek): Likewise.
17336
17337 2017-03-17  Richard Biener  <rguenther@suse.de>
17338
17339         PR tree-optimization/80048
17340         * sese.c (free_sese_info): Properly release rename_map and
17341         copied_bb_map elements.
17342
17343 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
17344
17345         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
17346         Add linked-list forward and backlinks.  Insert on
17347         construction, remove on destruction.
17348         (class pass_store_merging): Add m_stores_head field.
17349         (pass_store_merging::terminate_and_process_all_chains):
17350         Iterate over m_stores_head list.
17351         (pass_store_merging::terminate_all_aliasing_chains):
17352         Likewise.
17353         (pass_store_merging::execute): Check for debug stmts first.
17354         Push new chains onto the m_stores_head stack.
17355
17356 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
17357
17358         PR target/71294
17359         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
17360         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
17361         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
17362
17363 2017-03-16  Jeff Law  <law@redhat.com>
17364
17365         PR tree-optimization/71437
17366         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
17367         member function.  Implementation moved into after_dom_children
17368         member function and into the threader's thread_outgoing_edges
17369         function.
17370         (dom_opt_dom_walker::after_dom_children): Simplify by moving
17371         some code into new thread_outgoing_edges.
17372         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
17373         definition.  Simplify marker handling (do it here).   Assume we always
17374         have the available expression and the const/copies tables.
17375         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
17376         and tree-vrp.c
17377         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
17378         * tree-vrp.c (equiv_stack): No longer file scoped.
17379         (vrp_dom_walker): New class.
17380         (vrp_dom_walker::before_dom_children): New member function.
17381         (vrp_dom_walker::after_dom_children): Likewise.
17382         (identify_jump_threads):  Setup domwalker.  Use it rather than
17383         walking edges in a random order by hand.  Simplify setup/finalization.
17384         (finalize_jump_threads): Remove.
17385         (vrp_finalize): Do not call identify_jump_threads here.
17386         (execute_vrp): Do it here instead and call thread_through_all_blocks
17387         here too.
17388
17389         PR tree-optimization/71437
17390         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
17391         callers changed.
17392         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
17393         callers changed.
17394         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
17395         (dom_opt_dom_walker::thread_across_edge): Remove
17396         handle_dominating_asserts argument.  All callers changed.
17397         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
17398         changes.  Remove calls to lhs_of_dominating_assert.  Other
17399         uses of handle_dominating_asserts turn into unconditional code
17400         (simplify_control_stmt_condition_1): Likewise.
17401         (simplify_control_stmt_condition): Likewise.
17402         (thread_through_normal_block, thread_across_edge): Likewise.
17403         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
17404         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
17405         object if it is not an SSA_NAME.
17406         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
17407         before calling into the VRP specific simplifiers.
17408         (identify_jump_threads): Remove handle_dominating_asserts
17409         argument.
17410
17411 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
17412
17413         PR fortran/79886
17414         * tree-diagnostic.c (default_tree_printer): No longer static.
17415         * tree-diagnostic.h (default_tree_printer): New prototype.
17416
17417 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
17418
17419         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
17420         Change ins into fmov.
17421
17422 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17423
17424         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
17425         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
17426         Use h_con constraint for operand 1.
17427         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
17428         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
17429
17430 2017-03-15  Jeff Law  <law@redhat.com>
17431
17432         PR tree-optimization/71437
17433         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
17434         (record_temporary_equivalences): Use it.
17435
17436         PR tree-optimization/71437
17437         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
17438         tree-ssa-scopedtables.
17439         (lookup_avail_expr, build_and_record_new_cond): Likewise.
17440         (record_conditions, record_cond, vuse_eq): Likewise.
17441         (record_edge_info): Adjust to API tweak of record_conditions.
17442         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
17443         (record_temporary_equivalences, optimize_stmt): Likewise.
17444         (eliminate_redundant_computations): Likewise.
17445         (record_equivalences_from_stmt): Likewise.
17446         * tree-ssa-scopedtables.c: Include options.h and params.h.
17447         (vuse_eq): New function, moved from tree-ssa-dom.c
17448         (build_and_record_new_cond): Likewise.
17449         (record_conditions): Likewise.  Accept vector of conditions rather
17450         than edge_equivalence structure for first argument.
17451         for the first argument.
17452         (avail_exprs_stack::lookup_avail_expr): New member function, moved
17453         from tree-ssa-dom.c.
17454         (avail_exprs_stack::record_cond): Likewise.
17455         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
17456         from tree-ssa-dom.c.
17457         (avail_exprs_stack): Add new member functions lookup_avail_expr
17458         and record_cond.
17459         (record_conditions): Declare.
17460
17461 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
17462
17463         PR target/80017
17464         * lra-constraints.c (process_alt_operands): Increase reject for
17465         reloading an input/output operand.
17466
17467 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
17468
17469         PR target/79038
17470         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
17471         insns to convert from signed/unsigned char/short to IEEE 128-bit
17472         floating point.
17473         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
17474
17475 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
17476
17477         PR target/80019
17478         * config/i386/i386.c (ix86_vector_duplicate_value): Create
17479         subreg of inner mode for values already in registers.
17480
17481 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
17482
17483         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
17484         iteration reg is used after the loop.
17485
17486 2017-03-14  Martin Sebor  <msebor@redhat.com>
17487
17488         PR tree-optimization/79800
17489         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
17490         precision in negative-positive range.
17491         (format_floating): Call non-const overload with adjusted precision.
17492
17493 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
17494
17495         PR target/79947
17496         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
17497         -mpowerpc-gfxopt.
17498
17499 2017-03-14  Martin Sebor  <msebor@redhat.com>
17500
17501         PR middle-end/80020
17502         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
17503         * builtins.def (aligned_alloc): Use it.
17504
17505         PR c/79936
17506         * Makefile.in (GTFILES): Add calls.c.
17507         * calls.c: Include "gt-calls.h".
17508
17509 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
17510
17511         PR rtl-optimization/79728
17512         * regs.h (struct target_regs): New field
17513         x_contains_allocatable_regs_of_mode.
17514         (contains_allocatable_regs_of_mode): New macro.
17515         * reginfo.c (init_reg_sets_1): Initialize it, and change
17516         contains_reg_of_mode so it includes global regs as well.
17517         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
17518         rather than contains_regs_of_mode.
17519
17520 2017-03-14  Martin Liska  <mliska@suse.cz>
17521
17522         * doc/invoke.texi: Document options that can't be combined with
17523         -fcheck-pointer-bounds.
17524
17525 2017-03-14  Martin Liska  <mliska@suse.cz>
17526
17527         PR middle-end/79831
17528         * doc/invoke.texi (-Wchkp): Document the option.
17529
17530 2017-03-14  Martin Liska  <mliska@suse.cz>
17531
17532         * Makefile.in: Install gcov-dump.
17533
17534 2017-03-14  Martin Liska  <mliska@suse.cz>
17535
17536         * multiple_target.c (expand_target_clones): Bail out for
17537         an invalid attribute.
17538
17539 2017-03-14  Richard Biener  <rguenther@suse.de>
17540
17541         * alias.c (struct alias_set_entry): Pack properly.
17542         * cfgloop.h (struct loop): Likewise.
17543         * cse.c (struct set): Likewise.
17544         * ipa-utils.c (struct searchc_env): Likewise.
17545         * loop-invariant.c (struct invariant): Likewise.
17546         * lra-remat.c (struct cand): Likewise.
17547         * recog.c (struct change_t): Likewise.
17548         * rtl.h (struct address_info): Likewise.
17549         * symbol-summary.h (function_summary): Likewise.
17550         * tree-loop-distribution.c (struct partition): Likewise.
17551         * tree-object-size.c (struct object_size_info): Likewise.
17552         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
17553         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
17554         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
17555         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
17556         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
17557         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
17558         (struct _stmt_vec_info): Likewise.
17559
17560 2017-03-14  Martin Liska  <mliska@suse.cz>
17561
17562         PR target/79892
17563         * multiple_target.c (create_dispatcher_calls): Check that
17564         a target can create a function dispatcher.
17565
17566 2017-03-14  Martin Liska  <mliska@suse.cz>
17567
17568         PR lto/66295
17569         * multiple_target.c (expand_target_clones): Drop local.local
17570         flag for default implementation.
17571
17572 2017-03-14  Richard Biener  <rguenther@suse.de>
17573
17574         PR tree-optimization/80030
17575         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
17576
17577 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
17578
17579         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
17580         gcc_fallthrough() instead of __attribute__((fallthrough));
17581
17582 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
17583
17584         * doc/gcc.texi: Remove "up" link to (DIR).
17585         * doc/gccint.texi: Ditto.
17586
17587 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
17588
17589         * doc/install.texi (Specific) <avr>: Remove reference to
17590         binutils 2.13.
17591
17592 2017-03-13  Jeff Law  <law@redhat.com>
17593
17594         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
17595         attribute rather than comments.
17596
17597         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
17598         match_scratch operand is highest.
17599
17600 2017-03-13  Martin Liska  <mliska@suse.cz>
17601
17602         PR middle-end/78339
17603         * ipa-pure-const.c (warn_function_noreturn): If the declarations
17604         is a CHKP clone, use original declaration.
17605
17606 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
17607
17608         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
17609         (arc_conditional_register_usage): Use a different allocation order
17610         when optimizing for size.
17611         * common/config/arc/arc-common.c (arc_option_optimization_table):
17612         Section anchors default on when optimizing for size.
17613
17614 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
17615
17616         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
17617
17618 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
17619
17620         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
17621         * config/arc/arc.md (cpu_facility): Add cd variant.
17622         (*movqi_insn): Add code density variant.
17623         (*movhi_insn): Likewise.
17624         (*movqi_insn): Likewise.
17625         (*addsi3_mixed): Likewise.
17626         (subsi3_insn): Likewise.
17627
17628 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
17629
17630         * config/arc/arc.md (movsi_cond_exec): Update constraint.
17631
17632 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
17633
17634         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
17635         expressions with MINUS and UNARY ops.
17636
17637 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17638
17639         PR target/79911
17640         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
17641         Rename to...
17642         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
17643         between vec_select and vector argument.
17644         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
17645         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
17646         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
17647         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
17648         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
17649         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
17650
17651 2017-03-13  Richard Biener  <rguenther@suse.de>
17652
17653         PR other/79991
17654         * params.def (vect-max-peeling-for-alignment): Fix typo.
17655
17656 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
17657
17658         * doc/install.texi (Specific) <mips-*-*>: Remove description of
17659         issue that only occurred with binutils below 2.18.
17660
17661 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
17662
17663         * doc/install.texi (Specific) <cris-axis-elf>: No longer
17664         refer to binutils 2.11/2.12 minimum.
17665
17666 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
17667
17668         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
17669         ftp.kernel.org and simplify binutils requirement.
17670
17671 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
17672
17673         * doc/invoke.texi (Warning Options): Fix spelling of link-time
17674         optimization.
17675         (Optimize Options): Ditto.  Also remove redundancy.
17676
17677 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
17678
17679         PR translation/79848
17680         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
17681         "%qs".
17682         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
17683         to G_ to avoid double translation.
17684
17685 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
17686
17687         PR translation/79923
17688         * auto-profile.c (get_combined_location): Convert leading
17689         character of diagnostics to lower case and remove trailing period.
17690         (read_profile): Likewise for various diagnostics.
17691         * config/arm/arm.c (arm_option_override): Remove trailing period
17692         from various diagnostics.
17693         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
17694         (msp430_expand_delay_cycles): Likewise.
17695
17696 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
17697
17698         PR target/79925
17699         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
17700         full command-line argument, rather than just "str".
17701         (aarch64_validate_march): Likewise.
17702         (aarch64_validate_mtune): Likewise.
17703
17704 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
17705
17706         PR rtl-optimization/78911
17707         * lra-assigns.c (must_not_spill_p): New function.
17708         (spill_for): Use it.
17709
17710 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
17711
17712         PR tree-optimization/79981
17713         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
17714         ATOMIC_COMPARE_EXCHANGE ifn result.
17715         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
17716         IFN_ATOMIC_COMPARE_EXCHANGE.
17717
17718 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
17719
17720         PR driver/79875
17721         * opts.c (parse_sanitizer_options): Add missing question mark to
17722         "did you mean" message.
17723
17724 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17725
17726         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
17727         built-in.
17728         (VMULEUH_UNS): Likewise.
17729         (VMULOUB_UNS): Likewise.
17730         (VMULOUH_UNS): Likewise.
17731         * config/rs6000/rs6000.c (builtin_function_type): Remove
17732         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
17733
17734 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
17735
17736         PR bootstrap/79952
17737         * read-rtl-function.c (function_reader::read_rtx_operand): Update
17738         x with result of extra_parsing_for_operand_code_0.
17739         (function_reader::extra_parsing_for_operand_code_0): Convert
17740         return type from void to rtx, returning x.  When reading
17741         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
17742         larger size containing struct block_symbol.
17743
17744 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
17745
17746         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
17747         -mfloat128-hardware without -m64.
17748
17749 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
17750
17751         PR target/79941
17752         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
17753         entries to the case statement that marks unsigned arguments to
17754         overloaded functions.
17755
17756 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
17757
17758         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
17759         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
17760
17761 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
17762
17763         PR target/79907
17764         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
17765         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
17766
17767 2017-03-10  Martin Liska  <mliska@suse.cz>
17768
17769         PR target/65705
17770         PR target/69804
17771         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
17772         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
17773         FIELD != NULL.
17774
17775 2017-03-10  Olivier Hainque  <hainque@adacore.com>
17776
17777         * tree-switch-conversion (array_value_type): Start by resetting
17778         candidate type to it's main variant.
17779
17780 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
17781
17782         PR rtl-optimization/79909
17783         * combine.c (try_combine): Use simplify_replace_rtx on individual
17784         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
17785         of the whole CALL_INSN_FUNCTION_USAGE.
17786
17787         PR tree-optimization/79972
17788         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
17789         get_range_info on SSA_NAMEs.  Formatting fixes.
17790
17791 2017-03-10  Richard Biener  <rguenther@suse.de>
17792             Jakub Jelinek  <jakub@redhat.com>
17793
17794         PR tree-optimization/77975
17795         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
17796         edge to be constant.
17797         (get_val_for): For constant x return it.  Formatting fix.
17798         (loop_niter_by_eval): Avoid pointless looping if the next iteration
17799         would use the same bases as the current one.
17800
17801 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
17802
17803         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
17804         instead of vec_select for V1TImode.
17805         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
17806         longer needed.
17807         (VSX_LE_128): Add V1TI to this mode iterator.
17808         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
17809         (*vsx_le_perm_store_<mode>): Likewise.
17810         (pre-reload splitter for VSX stores): Likewise.
17811         (post-reload splitter for VSX stores): Likewise.
17812         (*vsx_xxpermdi2_le_<mode>): Likewise.
17813         (*vsx_lxvd2x2_le_<mode>): Likewise.
17814         (*vsx_stxvd2x2_le_<mode>): Likewise.
17815
17816 2017-03-09  Michael Eager  <eager@eagercon.com>
17817
17818         Correct failures with --enable-checking=yes,rtl.
17819
17820         * config/microblaze/microblaze.c (microblaze_expand_shift):
17821         Replace GET_CODE test with CONST_INT_P and INTVAL test with
17822         test for const0_rtx.
17823         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
17824         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
17825
17826 2017-03-09  Richard Biener  <rguenther@suse.de>
17827
17828         PR tree-optimization/79977
17829         * graphite-scop-detection.c (scop_detection::merge_sese):
17830         Handle the case of extra exits to blocks dominating the entry.
17831
17832 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
17833
17834         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
17835         Document rdynamic.
17836
17837 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
17838
17839         PR rtl-optimization/79949
17840         * lra-constraints.c (process_alt_operands): Check memory when
17841         trying to predict a cycle.  Print about the overall increase.
17842
17843 2017-03-09  Richard Biener  <rguenther@suse.de>
17844
17845         PR middle-end/79971
17846         * gimple-expr.c (useless_type_conversion_p): Preserve
17847         TYPE_SATURATING for fixed-point types.
17848
17849 2017-03-09  Richard Biener  <rguenther@suse.de>
17850
17851         PR ipa/79970
17852         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
17853         alignment of BLKmode params.
17854
17855 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17856
17857         PR target/79913
17858         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
17859         (VALL_NO_V2Q): Likewise.
17860         (VDQF_DF): Delete.
17861         * config/aarch64/aarch64-simd.md
17862         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
17863         iterator.
17864         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
17865         VALL_NO_V2Q mode iterator.
17866         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
17867
17868 2017-03-09  Martin Liska  <mliska@suse.cz>
17869
17870         PR tree-optimization/79631
17871         * tree-chkp-opt.c (chkp_is_constant_addr): Call
17872         tree_int_cst_sign_bit just for INTEGER constants.
17873
17874 2017-03-09  Martin Liska  <mliska@suse.cz>
17875
17876         PR target/65705
17877         PR target/69804
17878         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
17879         sanitizers.
17880
17881 2017-03-09  Marek Polacek  <polacek@redhat.com>
17882
17883         PR c++/79672
17884         * tree.c (inchash::add_expr): Handle TREE_VEC.
17885
17886 2017-03-09  Martin Liska  <mliska@suse.cz>
17887
17888         PR ipa/79764
17889         (chkp_narrow_size_and_offset): New function.
17890         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
17891         (void chkp_parse_bit_field_ref): New function.
17892         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
17893         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
17894
17895 2017-03-09  Martin Liska  <mliska@suse.cz>
17896
17897         PR ipa/79761
17898         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
17899         (chkp_find_bounds_1): Remove gcc_unreachable.
17900
17901 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
17902
17903         PR sanitizer/79944
17904         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
17905         BUILT_IN_SYNC*, determine the access type from the size suffix and
17906         always build a MEM_REF with that type.  Handle forgotten
17907         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
17908
17909         PR target/79932
17910         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
17911         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
17912         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
17913         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
17914         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
17915         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
17916         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
17917         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
17918         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
17919         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
17920         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
17921         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
17922         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
17923         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
17924         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
17925         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
17926         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
17927         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
17928         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
17929         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
17930         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
17931         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
17932         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
17933         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
17934         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
17935         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
17936         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
17937         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
17938         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
17939         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
17940         definitions outside of __OPTIMIZE__ guarded section.
17941
17942         PR target/79932
17943         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
17944         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
17945         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
17946         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
17947         guarded section.
17948
17949 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
17950
17951         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
17952         ("vfenez<mode>"): Add missing constraints.
17953
17954 2017-03-08  Martin Sebor  <msebor@redhat.com>
17955
17956         PR target/79928
17957         * config/nds32/nds32.c (nds32_option_override):
17958         Fix misspelled diagnostic.
17959
17960 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
17961
17962         PR c/79940
17963         * gimplify.c (gimplify_omp_for): Replace index var in outer
17964         taskloop statement with an artificial variable and add
17965         OMP_CLAUSE_PRIVATE clause for it.
17966
17967 2017-03-08  Richard Biener  <rguenther@suse.de>
17968
17969         PR tree-optimization/79955
17970         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
17971         for accesses that are completely outside of the variable.
17972
17973 2017-03-08  Andrew Haley  <aph@redhat.com>
17974
17975         PR tree-optimization/79943
17976         * tree-ssa-loop-split.c (compute_new_first_bound): When
17977         calculating the new upper bound, (END-BEG) should be added, not
17978         subtracted.
17979
17980 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
17981
17982         * config/avr/avr.md (setmemhi): Make sure match_dup
17983         operand number comes before match_scratch.
17984
17985 2017-03-08  Richard Biener  <rguenther@suse.de>
17986
17987         PR tree-optimization/79920
17988         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
17989         with ncopies == 1 to ...
17990         (vect_transform_slp_perm_load): ... here.  Properly compute
17991         all element loads by iterating VF times over the group.  Do
17992         not handle ncopies (computed in a broken way) in
17993         vect_create_mask_and_perm.
17994
17995 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
17996
17997         PR sanitizer/79904
17998         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
17999         is a uniform vector, use uniform_vector_p return value instead of
18000         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
18001
18002 2017-03-07  Marek Polacek  <polacek@redhat.com>
18003
18004         PR middle-end/79809
18005         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
18006         (alloca_call_type): Likewise.
18007
18008 2017-03-07  Martin Liska  <mliska@suse.cz>
18009
18010         * gcov.c (process_args): Put comment to correct location.
18011
18012 2017-03-07  Martin Liska  <mliska@suse.cz>
18013
18014         PR middle-end/68270
18015         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
18016         Use array_at_struct_end_p instead of DECL_CHAIN (field).
18017         (chkp_narrow_bounds_for_field): Likewise.
18018         (chkp_parse_array_and_component_ref): Pass one more argument to
18019         call.
18020
18021 2017-03-07  Richard Biener  <rguenther@suse.de>
18022
18023         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
18024         preheaders.
18025
18026 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
18027
18028         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
18029         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
18030
18031 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18032
18033         PR c/79855
18034         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
18035         to end of description.
18036         (PARAM_MAX_STORES_TO_MERGE): Likewise.
18037
18038 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
18039
18040         PR rtl-optimization/79901
18041         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
18042         ...
18043         (*avx512f_<code><mode>3<mask_name>): ... this.
18044         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
18045         iterator instead of VI8_AVX2_AVX512BW.
18046
18047         PR rtl-optimization/79901
18048         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
18049         min/max expander, expand it using expand_vec_cond_expr.
18050
18051         PR sanitizer/79897
18052         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
18053         temporary.
18054
18055 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
18056
18057         PR c++/79821
18058         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
18059         to void * for PCH reasons.
18060         * dwarf2out.c (output_loc_operands, output_die): Cast
18061         v.val_vec.array to unsigned char *.
18062
18063 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
18064
18065         PR target/77850
18066         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
18067         vector types.
18068
18069 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
18070
18071         PR rtl-optimization/79571
18072         * lra-constraints.c (process_alt_operands): Calculate static
18073         reject and subtract it from overall when only addresses will be
18074         reloaded.
18075
18076 2017-03-06  Julia Koval  <julia.koval@intel.com>
18077
18078         PR target/79793
18079         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
18080         incoming stack boundary to 128 for 64-bit targets.
18081
18082 2017-03-06  Richard Biener  <rguenther@suse.de>
18083
18084         PR tree-optimization/79894
18085         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
18086         to NULL after folding it.
18087
18088 2017-03-06  Richard Biener  <rguenther@suse.de>
18089
18090         PR tree-optimization/79824
18091         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
18092         check disabling peeling for gaps.
18093
18094 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
18095
18096         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
18097         attributes): Document gettimeofday.
18098
18099 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
18100
18101         * config/s390/s390.c (s390_option_override_internal): Set
18102         PARAM_MIN_VECT_LOOP_BOUND
18103
18104 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
18105
18106         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
18107         * config/s390/s390.md: Likewise.
18108
18109 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
18110
18111         PR target/79812
18112         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
18113         (<avx2_avx512>_perm<mode>): Rename to ...
18114         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
18115         of VI8F_256_512.
18116         (<avx512>_perm<mode>_mask): Rename to ...
18117         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
18118         of VI8F_256_512.
18119         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
18120         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
18121         instead of VI8F_256_512.
18122         (avx512f_perm<mode>): New define_expand.
18123         (avx512f_perm<mode>_mask): Likewise.
18124         (avx512f_perm<mode>_1<mask_name>): New define_insn.
18125         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
18126
18127 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
18128
18129         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
18130         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
18131         if_then_else.
18132         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
18133
18134 2017-03-06  Martin Liska  <mliska@suse.cz>
18135
18136         PR sanitize/79783
18137         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
18138         when having a SSA NAME w/o VAR_DECL assigned to it.
18139
18140 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
18141
18142         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
18143         msa_dpsub_<su>_d): Fix MODE for vec_select.
18144
18145 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
18146
18147         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
18148         argument.
18149         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
18150
18151 2017-03-06  Richard Biener  <rguenther@suse.de>
18152
18153         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
18154         * plugin.c (register_plugin_info): Likewise.
18155         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
18156
18157 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
18158
18159         * config/i386/sse.md (sse_storehps, sse_storelps,
18160         avx_<castmode><avxsizesuffix>_<castmode>,
18161         avx512f_<castmode><avxsizesuffix>_<castmode>,
18162         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
18163         in condition that at least one operand is not a MEM.
18164
18165 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
18166
18167         PR middle-end/79805
18168         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
18169         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
18170         ECF_NOTHROW.
18171         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
18172         gimple_call_nothrow_p flag based on whether original builtin can throw.
18173         If it can, emit following stmts on the fallthrough edge.
18174         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
18175         don't create new bb if inserting just debug stmts on the edge, try to
18176         insert them on the fallthru bb or just reset debug stmts.
18177
18178 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
18179
18180         PR target/43763
18181         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
18182         restore recog_data (including the operand rtxes inside it) around
18183         the call to get_insn_template.
18184
18185 2017-03-03  Martin Sebor  <msebor@redhat.com>
18186
18187         PR tree-optimization/79699
18188         * context.c (context::~context): Free MPFR caches to avoid
18189         a memory leak on program exit.
18190
18191 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18192
18193         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
18194         Use wide_int::ulow () instead of .elt (0).
18195
18196 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
18197
18198         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
18199         (*pushxf): Limit oF constraint to 32bit targets and add oC
18200         constraint for 64bit targets.
18201         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
18202         (*pushdf): Change rmF constraint to rmC.
18203
18204 2017-03-03  Martin Liska  <mliska@suse.cz>
18205
18206         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
18207         Remove unused variable.
18208
18209 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
18210
18211         PR target/79807
18212         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
18213         is a memory operand, increase num_memory.
18214         (ix86_expand_args_builtin): Likewise.
18215
18216 2017-03-03  Jan Hubicka  <jh@suse.cz>
18217
18218         PR lto/79760
18219         * ipa-devirt.c (maybe_record_node): Properly handle
18220         __cxa_pure_virtual visibility.
18221
18222 2017-03-03  Martin Liska  <mliska@suse.cz>
18223
18224         PR tree-optimization/79803
18225         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
18226         assert.
18227         (pass_loop_prefetch::execute): Disabled optimization if an
18228         assumption about L1 cache size is not met.
18229
18230 2017-03-03  Martin Liska  <mliska@suse.cz>
18231
18232         PR rtl-optimization/79574
18233         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
18234         (hash_scan_set): Likewise.
18235         (dump_hash_table): Likewise.
18236         (hoist_code): Likewise.
18237
18238 2017-03-03  Richard Biener  <rguenther@suse.de>
18239
18240         * fixed-value.c (fixed_from_string): Restore use of elt (1)
18241         in place of uhigh ().
18242         (fixed_convert_from_real): Likewise.
18243
18244 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
18245
18246         PR target/79514
18247         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
18248
18249 2017-03-03  Richard Biener  <rguenther@suse.de>
18250
18251         PR middle-end/79818
18252         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
18253         TYPE_OVERFLOW_UNDEFINED check.
18254
18255 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18256
18257         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
18258         numbers.
18259         (vector_ae_<mode>_p): Likewise.
18260         (vector_nez_<mode>_p): Likewise.
18261         (vector_ne_v2di_p): Likewise.
18262         (vector_ae_v2di_p): Likewise.
18263         (vector_ne_<mode>_p): Likewise.
18264         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
18265         numbers.
18266         (vsx_tsqrt<mode>2_fe): Likewise.
18267
18268 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
18269
18270         PR target/79514
18271         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
18272
18273 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
18274
18275         PR rtl-optimization/79780
18276         * cprop.c (one_cprop_pass): When second and further conditional trap
18277         in a single basic block is turned into an unconditional trap, turn it
18278         into a deleted note to avoid RTL verification failures.
18279
18280 2017-03-02  Richard Biener  <rguenther@suse.de>
18281
18282         * fold-const.c (const_binop): Use ulow () instead of elt (0).
18283
18284 2017-03-02  Richard Biener  <rguenther@suse.de>
18285
18286         PR tree-optimization/79345
18287         PR c++/42000
18288         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
18289         param and abort the walk, returning -1 if it is hit.
18290         (walk_aliased_vdefs): Take a limit param and pass it on.
18291         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
18292         defaulting to 0 and return a signed int.
18293         * tree-ssa-uninit.c (struct check_defs_data): New struct.
18294         (check_defs): New helper.
18295         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
18296         about uninitialized memory.
18297         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
18298         bogus uninitialized warning.
18299         (fixed_convert_from_real): Likewise.
18300
18301 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
18302
18303         PR tree-optimization/66768
18304         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
18305         iv_use if base object can't be determined.
18306
18307 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
18308
18309         PR tree-optimization/79345
18310         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
18311         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
18312         (get_pattern_stats): Initialize it.
18313         * genemit.c (gen_expand): Verify match_scratch numbers come after
18314         match_operand/match_dup numbers.
18315         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
18316         match_scratch numbers.
18317         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
18318         Likewise.
18319         * config/s390/s390.md (trunctdsd2): Likewise.
18320
18321 2017-03-02  Richard Biener  <rguenther@suse.de>
18322
18323         * wide-int.h (wide_int_storage::operator=): Implement in terms
18324         of wi::copy.
18325
18326 2017-03-02  Richard Biener  <rguenther@suse.de>
18327
18328         PR tree-optimization/79777
18329         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
18330         the to insert expression to sth existing.
18331
18332 2017-03-01  Martin Sebor  <msebor@redhat.com>
18333
18334         PR middle-end/79692
18335         * gimple-ssa-sprintf.c
18336         (directive::known_width_and_precision): New function.
18337         (format_integer): Use it.
18338         (get_mpfr_format_length): Consider the full range of precision
18339         when computing %g output with the # flag.  Set the likely byte
18340         count to 3 rather than 1 when precision is indeterminate.
18341         (format_floating): Correct the lower bound of precision.
18342
18343 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18344
18345         * doc/invoke.texi: Document default code model for 64-bit Linux.
18346
18347 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18348
18349         PR target/79752
18350         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
18351         udiv rather than div since input pattern is unsigned.
18352
18353 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
18354
18355         * config/i386/i386.c (print_reg): Warn for values of
18356         unsupported size in integer register.
18357
18358 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
18359
18360         PR target/79439
18361         * config/rs6000/predicates.md (current_file_function_operand): Do
18362         not allow self calls to be local if the function is replaceable.
18363
18364 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18365
18366         PR target/79395
18367         * config/rs6000/altivec.h (vec_ctz and others): Change the
18368         preprocessor macro that controls conditional compilation from
18369         _ARCH_PWR9 to __POWER9_VECTOR__.
18370         (vec_all_ne): Change parameterization of __altivec_scalar_pred
18371         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
18372         control (instead of _ARCH_PWR9 control) so that template
18373         definition uses power9-specific function.
18374         (vec_any_eq): Likewise.
18375         (vec_all_ne): Change macro definition to use a power9-specific
18376         expansion under #ifdef __POWER9_VECTOR__ control (instead of
18377         _ARCH_PWR9 control).
18378         (vec_any_eq) Likewise.
18379         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
18380         expansion for CMPNEF to remove support for xvcmpnesp instruction.
18381         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
18382         support for xvcmpnedp instruction.
18383         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
18384         macro expansion so that Power9 implementation of vec_all_ne does
18385         not use the AltiVec predicate framework.
18386         (VCMPNEH_P): Likewise.
18387         (VCMPNEW_P): Likewise.
18388         (VCMPNED_P): Likewise.
18389         (VCMPNEFP_P): Likewise.
18390         (VCMPNEDP_P): Likewise.
18391         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
18392         implementation of vec_any_eq to not use AltiVec predicate
18393         framework.
18394         (VCMPAEH_P): Likewise.
18395         (VCMPAEW_P): Likewise.
18396         (VCMPAED_P): Likewise.
18397         (VCMPAEFP_P): Likewise.
18398         (VCMPAEDP_P): Likewise.
18399         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
18400         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
18401         not use the AltiVec predicate framework.
18402         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
18403         of vec_any_eq to not use AltiVec predicate framework.
18404         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
18405         support for predefined __POWER9_VECTOR__ macro to indicate that
18406         Power9 instruction selection is enabled.
18407         (altivec_overloaded_builtins): Remove extraneous
18408         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
18409         function argument types RS6000_BTI_bool_V16QI and
18410         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
18411         entry for overloaded function argument types RS6000_BTI_bool_V4SI
18412         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
18413         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
18414         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
18415         Power9 for implementations of vec_cmpne.  Change the signature for
18416         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
18417         (representing vec_all_ne) to remove the previously described first
18418         argument of type RS6000_BTI_INTSI, as this was an artifact of
18419         reliance on the AltiVec predicate framework, which is no longer
18420         used in the implementation of these functions.  Add
18421         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
18422         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
18423         since, unlike the AltiVec predicate framework implementation, we
18424         do not share function descriptors between vec_alle and vec_anyeq.
18425         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
18426         set of modes that receive special treatment even when
18427         TARGET_P9_VECTOR is true.  The special treatment emits code that
18428         does not depend on Power9 instructions.
18429         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
18430         define_expand to not rely on AltiVec predicate framework.
18431         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
18432         function.
18433         (vector_ne_v2di_p): Change this define_expand to not rely on
18434         AltiVec predicate framework.
18435         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
18436         function.
18437         (vector_ne_<mode>_p): Change this define_expand to not rely on
18438         AltiVec predicate framework.
18439         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
18440         function.
18441         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
18442         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
18443         define_insn pattern.
18444         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
18445         define_insn pattern because the xvcmpne<VSs>. instruction is not
18446         supported.
18447         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
18448         instruction is not supported.
18449
18450 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
18451
18452         * config/nvptx/nvptx.c: Include intl.h.
18453
18454 2017-03-01  Martin Jambor  <mjambor@suse.cz>
18455
18456         PR lto/78140
18457         * ipa-prop.h (ipa_bits): Removed field known.
18458         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
18459         to pointers.  Adjusted their comments to warn about their sharing.
18460         (ipcp_transformation_summary): Change bits to a vector of pointers.
18461         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
18462         (ipa_get_ipa_bits_for_value): Declare.
18463         * tree-vrp.h (value_range): Mark as GTY((for_user)).
18464         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
18465         (ipa_bits_hash_table): Likewise.
18466         (ipa_vr_ggc_hash_traits): Likewise.
18467         (ipa_vr_hash_table): Likewise.
18468         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
18469         being pointers and vr_known being removed.
18470         (ipa_set_jf_unknown): Likewise.
18471         (ipa_get_ipa_bits_for_value): New function.
18472         (ipa_set_jfunc_bits): Likewise.
18473         (ipa_get_value_range): New overloaded functions.
18474         (ipa_set_jfunc_vr): Likewise.
18475         (ipa_compute_jump_functions_for_edge): Use the above functions to
18476         construct bits and vr parts of jump functions.
18477         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
18478         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
18479         exist.
18480         (ipcp_grow_transformations_if_necessary): Also allocate
18481         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
18482         exist.
18483         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
18484         them.  Fix too long lines.
18485         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
18486         vr_known being removed.
18487         (ipa_read_jump_function): Use new setter functions to construct bits
18488         and vr parts of jump functions or set them to NULL.
18489         (write_ipcp_transformation_info): Adjust for bits being pointers.
18490         (read_ipcp_transformation_info): Likewise.
18491         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
18492         space.
18493         Include gt-ipa-prop.h.
18494         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
18495         being pointers.
18496         (ipcp_store_bits_results): Likewise.
18497         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
18498         Do not write to existing jump functions but use a temporary instead.
18499
18500 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
18501
18502         PR c++/79681
18503         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
18504         attempt to use its first operand as BIT_FIELD_REF base.
18505
18506 2017-03-01  Richard Biener  <rguenther@suse.de>
18507
18508         PR middle-end/79721
18509         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
18510         interpolating formula in wrapping arithmetic.
18511         (chrec_apply): Convert chrec_evaluate return value to wanted type.
18512
18513 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
18514
18515         PR tree-optimization/79734
18516         * tree-vect-generic.c (expand_vector_condition): Optimize
18517         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
18518         Handle VEC_COND_EXPR where comparison has different inner width from
18519         type's inner width.
18520
18521 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
18522
18523         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
18524         markup, and similar issues.  Remove @opindex entries for things
18525         that aren't options.  Add missing -mmpy-option entries.
18526
18527 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
18528
18529         PR tree-optimization/79737
18530         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
18531         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
18532         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
18533         instead of byte_size.  Formatting fix.
18534         (shift_bytes_in_array_right): Formatting fix.
18535
18536 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
18537
18538         PR target/79749
18539         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
18540         condition on optimize for the leaf function test.
18541
18542 2017-02-28  Martin Liska  <mliska@suse.cz>
18543
18544         PR lto/79625
18545         * read-rtl-function.c (function_reader::handle_unknown_directive):
18546         Bail out when one uses -flto.
18547
18548 2017-02-28  Martin Liska  <mliska@suse.cz>
18549
18550         * common.opt: Replace space with tabular for options of <number>
18551         type.
18552         * config/i386/i386.opt: Show <number> value for
18553         -mlarge-data-threshold.
18554         * opts.c (print_filtered_help): Do not display number in hexadecimal
18555         format.
18556
18557 2017-02-28  Martin Liska  <mliska@suse.cz>
18558
18559         * common.opt: Fix --help=option -Q for options which are of
18560         an enum type.
18561
18562 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
18563
18564         * config/i386/i386.c (print_reg): Error out for values
18565         of 8-bit size in invalid integer register.
18566
18567 2017-02-28  Martin Sebor  <msebor@redhat.com>
18568
18569         PR tree-optimization/79691
18570         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
18571
18572 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
18573
18574         PR target/79729
18575         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
18576         gcc_unreachable with output_operand_lossage.
18577
18578 2017-02-28  Richard Biener  <rguenther@suse.de>
18579
18580         PR tree-optimization/79740
18581         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
18582         inserts.
18583         (visit_nary_op): Insert the nary into the hashtable if we
18584         pattern-matched sth.
18585         * tree-ssa-pre.c (eliminate_insert): Robustify.
18586
18587 2017-02-28  Richard Biener  <rguenther@suse.de>
18588
18589         PR middle-end/79731
18590         * fold-const.c (decode_field_reference): Reject out-of-bound
18591         accesses.
18592
18593 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
18594
18595         * config/i386/i386.c: Include intl.h.
18596         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
18597         instead of just cond ? "..." : "...".
18598         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
18599         * coverage.c (read_counts_file): Likewise.
18600         * omp-offload.c: Include intl.h.
18601         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
18602         of just cond ? "..." : "...".
18603         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
18604         of just cond ? "..." : "...".
18605
18606 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
18607
18608         PR target/79742
18609         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
18610         entry, if present.
18611         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
18612         'tune for' CPU name.
18613         * config/arm/arm-cpu-data.h: Regenerated.
18614
18615 2017-02-28  Richard Biener  <rguenther@suse.de>
18616
18617         PR tree-optimization/79732
18618         * tree-inline.c (expand_call_inline): Do not shadow var.
18619
18620 2017-02-28  Richard Biener  <rguenther@suse.de>
18621
18622         PR tree-optimization/79723
18623         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
18624         address-space properly.
18625
18626 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
18627
18628         * doc/optinfo.texi (Optimization groups): Fix option used for
18629         OPTGROUP_ALL.
18630         * doc/invoke.texi (-fopt-info): Document "omp".
18631         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
18632         (OPTGROUP_ALL): Add OPTGROUP_OMP.
18633         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
18634         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
18635         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
18636
18637         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
18638         all users.
18639         * dumpfile.c (optgroup_options): Instead of "openmp", associate
18640         OPTGROUP_OMP with "omp".
18641
18642 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
18643
18644         PR target/79544
18645         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
18646         for arithmetic shift of unsigned V2DI.
18647
18648 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
18649
18650         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
18651         arc/linux.h headers.
18652         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
18653         (LINK_SPEC): Likewise.
18654         (ARC_TLS_EXTRA_START_SPEC): Likewise.
18655         (EXTRA_SPECS): Likewise.
18656         (STARTFILE_SPEC): Likewise.
18657         (ENDFILE_SPEC): Likewise.
18658         (LIB_SPEC): Likewise.
18659         (TARGET_SDATA_DEFAULT): Likewise.
18660         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
18661         (MULTILIB_DEFAULTS): Likewise.
18662         (DWARF2_UNWIND_INFO): Likewise.
18663         * config/arc/big.h: New file.
18664         * config/arc/elf.h: Likewise.
18665         * config/arc/linux.h: Likewise.
18666         * config/arc/t-uClibc: Remove.
18667
18668 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
18669
18670         PR tree-optimization/77536
18671         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
18672         (tree_transform_and_unroll_loop): Use above function to compute the
18673         estimated niter of unrolled loop and use it when scaling profile.
18674         Also use count info rather than frequency if it's non-zero.
18675         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
18676         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
18677         (vect_transform_loop): Call above function.
18678
18679 2017-02-27  Richard Biener  <rguenther@suse.de>
18680
18681         PR tree-optimization/45397
18682         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
18683         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
18684         (visit_nary_op): Add pattern matching for CSEing sign-changed
18685         or truncated operations with wider ones.
18686
18687 2017-02-27  Richard Biener  <rguenther@suse.de>
18688
18689         PR tree-optimization/79690
18690         * tree-vect-stmts.c (vectorizable_store): Use vector type
18691         built from the DR with address-space.
18692
18693 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
18694
18695         * doc/invoke.texi (Optimize Options): Refine the description
18696         of asan-use-after-return.
18697
18698 2017-02-25  Alan Modra  <amodra@gmail.com>
18699
18700         PR rtl-optimization/79584
18701         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
18702         base, not ad->base_term, the reg within base.  Remove assertion
18703         that ad->base == ad->base_term.  Replace gen_int_mode using
18704         bogus mode with const0_rtx.
18705
18706 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
18707
18708         PR middle-end/79396
18709         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
18710         FMA_EXPR like tcc_binary or tcc_unary.
18711
18712         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
18713
18714         PR debug/77589
18715         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
18716         bitfield.
18717         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
18718         (output_loc_operands): Handle DW_OP_call_ref and
18719         DW_OP_GNU_variable_value.
18720         (struct variable_value_struct): New type.
18721         (struct variable_value_hasher): Likewise.
18722         (variable_value_hash): New variable.
18723         (string_types): Remove.
18724         (copy_loc_descr): New function.
18725         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
18726         (prepend_loc_descr_to_each): New function.
18727         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
18728         instead of add_loc_descr_to_each if the first argument is single
18729         location list and the second has multiple.
18730         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
18731         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
18732         when looking for variable value which doesn't have other location info.
18733         (loc_list_from_tree): Formatting fix.
18734         (gen_array_type_die): Simplify DW_AT_string_length handling.
18735         (adjust_string_types): Remove.
18736         (gen_subprogram_die): Don't call adjust_string_types nor test/set
18737         string_types.  Call resolve_variable_values.
18738         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
18739         (resolve_addr_in_expr): Likewise.  Add A argument.
18740         (copy_deref_exprloc): Remove deref argument.  Adjust for the
18741         original expression being DW_OP_GNU_variable_value with optionally
18742         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
18743         optionally after it.
18744         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
18745         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
18746         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
18747         (variable_value_hasher::hash, variable_value_hasher::equal): New
18748         methods.
18749         (resolve_variable_value_in_expr, resolve_variable_value,
18750         resolve_variable_values, note_variable_value_in_expr,
18751         note_variable_value): New functions.
18752         (dwarf2out_early_finish): Call note_variable_value on all toplevel
18753         DIEs.
18754
18755 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
18756
18757         PR c/79677
18758         * opts.h (handle_generated_option): Add GENERATED_P argument.
18759         * opts-common.c (handle_option): Adjust function comment.
18760         (handle_generated_option): Add GENERATED_P argument, pass it to
18761         handle_option.
18762         (control_warning_option): Pass false to handle_generated_option
18763         GENERATED_P.
18764         * opts.c (maybe_default_option): Pass true to handle_generated_option
18765         GENERATED_P.
18766         * optc-gen.awk: Likewise.
18767
18768 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
18769
18770         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
18771         a REG, look at the REG it is a SUBREG of.
18772         (splitter for cmpeqsi_t): Ditto.
18773
18774 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
18775
18776         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
18777         the special USEs with the pattern of the insn, not the insn itself.
18778
18779 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
18780
18781         PR target/79473
18782         * doc/invoke.texi: Document -mload-store-pairs.
18783
18784 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
18785             Sandra Loosemore  <sandra@codesourcery.com>
18786
18787         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
18788         argument isn't a CONST_INT.
18789         (nios2_alternate_compare_const): Assert op is a CONST_INT.
18790         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
18791         (nios2_validate_compare): Bypass alternate compare logic if *op2
18792         is not a CONST_INT.
18793         (ldstwm_operation_p): Return false if first_base is not a REG or
18794         if first_offset is not a CONST_INT.
18795
18796 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
18797
18798         * config/cris/cris.md: Use correct operand in a define_peephole2.
18799
18800 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
18801
18802         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
18803
18804 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
18805
18806         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
18807         this_insn if it is an INSN or JUMP_INSN.
18808         (force_offsettable): Look at base, not at addr.
18809         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
18810         on things that aren't necessarily CONST_INTs.
18811
18812 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
18813
18814         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
18815         -mfpmath=sse is the default also for x86-32 targets with SSE2
18816         instruction set when @option{-ffast-math} is enabled
18817
18818 2017-02-24  Jeff Law  <law@redhat.com>
18819
18820         PR rtl-optimizatoin/79286
18821         * ira.c (update_equiv_regs): Drop may_trap_p exception to
18822         dominance test.
18823
18824 2017-02-24  Richard Biener  <rguenther@suse.de>
18825
18826         PR tree-optimization/79389
18827         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
18828         debug insns.
18829
18830 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
18831
18832         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
18833         function comment to reflect reality.
18834         (loop_exits_before_overflow): Fix typo in function description.
18835
18836 2017-02-24  Richard Biener  <rguenther@suse.de>
18837
18838         PR tree-optimization/79389
18839         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
18840         properly that a threading opportunity exists.  Detect conditional
18841         copy/constant propagation opportunities.
18842
18843 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
18844
18845         * config/visium/visium.md (type): Add trap.
18846         (b): New mode attribute.
18847         (*btst): Rename into...
18848         (*btst<mode>): ...this and adjust.
18849         (*cbranchsi4_btst_insn): Rename into...
18850         (*cbranch<mode>4_btst_insn): ...this and adjust.
18851         (trap): New define_insn.
18852
18853 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
18854
18855         PR tree-optimization/79389
18856         * ifcvt.c (struct noce_if_info): Add rev_cond field.
18857         (noce_reversed_cond_code): New function.
18858         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
18859         reversed_comparison_code.  Formatting fix.
18860         (noce_try_store_flag): Test rev_cond != NULL in addition to
18861         reversed_comparison_code.
18862         (noce_try_store_flag_constants): Likewise.
18863         (noce_try_store_flag_mask): Likewise.
18864         (noce_try_addcc): Use rev_cond if non-NULL instead of
18865         reversed_comparison_code.
18866         (noce_try_cmove_arith): Likewise.  Formatting fixes.
18867         (noce_try_minmax, noce_try_abs): Clear rev_cond.
18868         (noce_find_if_block): Initialize rev_cond.
18869         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
18870         instead of false as last argument never attempt to reverse it
18871         afterwards.
18872
18873 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
18874
18875         PR tree-optimization/79663
18876         * tree-predcom.c (combine_chains): Process refs in reverse order
18877         only for ZERO length chains, and add explaining comment.
18878
18879 2017-02-23  Jeff Law  <law@redhat.com>
18880
18881         PR tree-optimization/79578
18882         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
18883         in call to operand_equal_p.
18884
18885 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
18886
18887         PR target/71017
18888         * config/i386/cpuid.h: Fix another undefined behavior.
18889
18890 2017-02-23  Richard Biener  <rguenther@suse.de>
18891
18892         PR tree-optimization/79683
18893         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
18894         vector types for data-refs.
18895
18896 2017-02-23  Martin Liska  <mliska@suse.cz>
18897
18898         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
18899
18900 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
18901
18902         PR middle-end/79665
18903         * internal-fn.c (get_range_pos_neg): Moved to ...
18904         * tree.c (get_range_pos_neg): ... here.  No longer static.
18905         * tree.h (get_range_pos_neg): New prototype.
18906         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
18907         are known to be in between 0 and signed maximum inclusive, try to
18908         expand both unsigned and signed divmod and use the cheaper one from
18909         those.
18910
18911 2017-02-22  Jeff Law  <law@redhat.com>
18912
18913         PR tree-optimization/79578
18914         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
18915         to compare base operands.
18916
18917 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
18918
18919         PR target/79211
18920         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
18921         gpc_reg_operand instead of fpr_reg_operand.
18922
18923 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
18924
18925         * config/mips/mips.c (mips_return_in_memory): Force FP
18926         vector types to be returned in memory for o32 ABI.
18927
18928 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
18929
18930         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
18931         instead of DW_TAG_member for static data member declarations and don't
18932         set no_linkage_name for static inline data members.
18933         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
18934         to DW_TAG_member.
18935
18936 2017-02-22  Martin Liska  <mliska@suse.cz>
18937
18938         * doc/invoke.texi: Replace inequality signs with square brackets
18939         for -Wnormalized.
18940
18941 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18942
18943         PR tree-optimization/68644
18944         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
18945
18946 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
18947
18948         PR target/78660
18949         * lra-constraints.c (simplify_operand_subreg): Handle
18950         WORD_REGISTER_OPERATIONS targets.
18951
18952 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
18953
18954         PR target/70465
18955         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
18956         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
18957         elimination by swapping fld*.
18958
18959 2017-02-22  Richard Biener  <rguenther@suse.de>
18960
18961         PR tree-optimization/79673
18962         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
18963         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
18964         irrelevant address-space qualifiers and avoiding a
18965         ADDR_SPACE_CONVERT_EXPR from fold_convert.
18966
18967 2017-02-22  Richard Biener  <rguenther@suse.de>
18968
18969         PR tree-optimization/79666
18970         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
18971         to not symbolically negate if that may introduce undefined
18972         overflow.
18973
18974 2017-02-22  Martin Liska  <mliska@suse.cz>
18975
18976         PR lto/79587
18977         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
18978         * data-streamer-out.c (streamer_write_gcov_count_stream):
18979         Likewise.
18980         * value-prof.c (stream_out_histogram_value): Make assert more
18981         precise based on type of counter.
18982
18983 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
18984
18985         PR target/79593
18986         * config/i386/i386.md (standard_x87sse_constant_load splitter):
18987         Use nonimmediate_operand instead of memory_operand for operand 1.
18988         (float-extend standard_x87sse_constant_load splitter): Ditto.
18989
18990 2017-02-21  Jeff Law  <law@redhat.com>
18991
18992         PR tree-optimization/79621
18993         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
18994         blocks with edges to themselves.
18995
18996 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
18997
18998         PR target/79633
18999         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
19000         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
19001         Use gimple_call_builtin_p.
19002
19003         PR target/79570
19004         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
19005         on temporarily removed DEBUG_INSNs.
19006
19007         PR tree-optimization/79649
19008         * tree-loop-distribution.c (classify_partition): Give up on
19009         non-generic address space loads/stores.
19010
19011 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
19012
19013         * doc/loop.texi (Loop manipulation): Remove nonexistent
19014         tree_ssa_loop_version from the documentation.
19015         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
19016
19017 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
19018
19019         PR target/79494
19020         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
19021         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
19022         * config/rs6000/rs6000.c: Include except.h.
19023         (rs6000_expand_split_stack_prologue): Call
19024         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
19025
19026 2017-02-21  Martin Jambor  <mjambor@suse.cz>
19027
19028         PR lto/79579
19029         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
19030         have been analyzed.
19031
19032 2017-02-21  Martin Jambor  <mjambor@suse.cz>
19033
19034         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
19035         for backward compatibility only.
19036         * doc/invoke.texi (Option Summary): Remove all references to
19037         -fipa-cp-alignment.
19038
19039 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
19040
19041         PR target/78660
19042         Revert:
19043         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
19044
19045         * lra-constraints.c (curr_insn_transform): Handle
19046         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
19047
19048 2017-02-21  Martin Liska  <mliska@suse.cz>
19049
19050         * config/i386/i386.opt: Replace -masm-dialect with -masm.
19051
19052 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
19053
19054         PR translation/79638
19055         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
19056
19057 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
19058
19059         PR ada/67205
19060         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
19061         (arm_function_ok_for_sibcall): Return false for an indirect call by
19062         descriptor if all the argument registers are used.
19063         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
19064         alignment of the function.
19065
19066 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
19067
19068         PR tree-optimization/61441
19069         * simplify-rtx.c (simplify_const_unary_operation): For
19070         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
19071         the sNaN unmodified.
19072
19073 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19074
19075         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
19076         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
19077         instead of SYSTEM_HEADER_DIR.
19078
19079 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
19080             Martin Liška  <mliska@suse.cz>
19081
19082         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
19083         Fix typos and grammar, use active voice, and clarify.
19084
19085 2017-02-20  Marek Polacek  <polacek@redhat.com>
19086
19087         PR middle-end/79537
19088         * gimplify.c (gimplify_expr): Handle unused *&&L;.
19089
19090         PR sanitizer/79558
19091         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
19092
19093 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
19094
19095         PR target/79568
19096         * config/i386/i386.c (ix86_expand_builtin): Handle
19097         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
19098         ix86_builtins_isa[fcode].isa as a requirement of those
19099         flags and any other flag in the bitmask.
19100         (ix86_init_mmx_sse_builtins): Use 0 instead of
19101         ~OPTION_MASK_ISA_64BIT as mask.
19102         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
19103         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
19104         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
19105         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
19106
19107 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
19108
19109         PR target/78012
19110         * lra-constraints.c (split_reg): Check requested split mode
19111         is supported by the register.
19112
19113 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
19114
19115         * lra-constraints.c (simplify_operand_subreg): Remove early
19116         return false.
19117
19118 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
19119
19120         PR target/78660
19121         * lra-constraints.c (curr_insn_transform): Tighten condition
19122         for converting SUBREG reloads from OP_OUT to OP_INOUT.
19123
19124 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
19125
19126         PR target/78660
19127         * lra-constraints.c (curr_insn_transform): Handle
19128         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
19129
19130 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
19131
19132         Revert:
19133         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
19134
19135         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
19136
19137 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
19138
19139         PR c++/69523
19140         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
19141         description.
19142
19143 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
19144
19145         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
19146         for FMA_EXPR.
19147
19148 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
19149
19150         * final.c (last_columnnum, override_columnnum): New variables.
19151         (final_start_function): Set last_columnnum, pass it to begin_prologue
19152         hook and pass 0 to dwarf2out_begin_prologue.
19153         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
19154         to source_line debug hook.
19155         (notice_source_line): Compute last_columnnum and for debug_column_info
19156         return true on column changes.
19157         * debug.h (struct gcc_debug_hooks): Add column argument to
19158         source_line and begin_prologue hooks.
19159         (debug_nothing_int_charstar_int_bool): Remove prototype.
19160         (debug_nothing_int_int_charstar,
19161         debug_nothing_int_int_charstar_int_bool): New prototypes.
19162         (dwarf2out_begin_prologue): Add column argument.
19163         * debug.c (do_nothing_debug_hooks): Adjust source_line and
19164         begin_prologue hooks.
19165         (debug_nothing_int_charstar_int_bool): Remove.
19166         (debug_nothing_int_int_charstar,
19167         debug_nothing_int_int_charstar_int_bool): New functions.
19168         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
19169         through to dwarf2out_source_line.
19170         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
19171         (dwarf2out_source_line): Add column argument, emit it if requested.
19172         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
19173         arguments.
19174         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
19175         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
19176         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
19177         through to dwarf2out_begin_prologue.
19178         (vmsdbgout_source_line): Add column argument, pass it through to
19179         dwarf2out_source_line.
19180         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
19181         dbxout_source_line caller.
19182         (dbxout_source_line): Add column argument.
19183
19184         * common.opt (gno-column-info, gcolumn-info): New options.
19185         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
19186         (check_die): Also test for multiple DW_AT_decl_column attributes.
19187         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
19188         DW_AT_decl_column if requested.
19189         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
19190         if requested.
19191         (gen_variable_die): Likewise.
19192         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
19193         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
19194
19195         PR target/79569
19196         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
19197         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
19198         (ix86_handle_option): Handle OPT_m3dnowa.
19199         * doc/invoke.texi (-m3dnowa): Document.
19200         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
19201         -m3dnowa instead of -m3dnow -march=athlon.
19202
19203         PR target/79559
19204         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
19205         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
19206
19207 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19208
19209         PR target/79261
19210         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
19211         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
19212         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
19213         generator for vsx_xxpermdi_<mode>_be.
19214         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
19215         force big-endian semantics.
19216         (vsx_xxpermdi_<mode>_be): New define_expand with same
19217         implementation as previous version of vsx_xxpermdi_<mode>.
19218
19219 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
19220
19221         PR tree-optimization/79327
19222         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
19223         variable, its initialization and use.
19224
19225 2017-02-17  Julia Koval  <julia.koval@intel.com>
19226
19227         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
19228         (OPTION_MASK_ISA_PKU_UNSET): New.
19229         (ix86_handle_option): Handle -mrdpid.
19230         * config/i386/cpuid.h (bit_RDPID): New.
19231         * config/i386/driver-i386.c (host_detect_local_cpu):
19232         Detect RDPID feature.
19233         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
19234         * config/i386/i386-c.c (ix86_target_macros_internal):
19235         Handle RDPID flag.
19236         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
19237         (ix86_valid_target_attribute_inner_p): Add "rdpid".
19238         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
19239         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
19240         * config/i386/i386.md (define_insn "rdpid"): New.
19241         * config/i386/i386.opt Add -mrdpid.
19242         * config/i386/immintrin.h (_rdpid_u32): New.
19243
19244 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
19245
19246         PR rtl-optimization/79541
19247         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
19248         instead of transforming it into USE.
19249
19250 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
19251
19252         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
19253         If HONOR_SNANS (SFmode) force the input to a register.
19254         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
19255         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
19256         an frsp or similar insn.
19257
19258 2017-02-17  Martin Liska  <mliska@suse.cz>
19259
19260         PR rtl-optimization/79577
19261         * params.def (selsched-max-sched-times): Increase minimum to 1.
19262
19263 2017-02-17  Martin Liska  <mliska@suse.cz>
19264
19265         PR rtl-optimization/79574
19266         * gcse.c (want_to_gcse_p): Prevent integer overflow.
19267
19268 2017-02-17  Martin Liska  <mliska@suse.cz>
19269
19270         PR tree-optimization/79529
19271         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
19272         ssa_defined_default_def_p to handle cases which are implicitly
19273         defined.
19274         * tree-ssa.c (ssa_defined_default_def_p): New function.
19275         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
19276         which are implicitly defined.
19277         * tree-ssa.h (ssa_defined_default_def_p): Declare.
19278
19279 2017-02-17  Richard Biener  <rguenther@suse.de>
19280
19281         PR middle-end/79576
19282         * params.def (max-ssa-name-query-depth): Limit to 10.
19283
19284 2017-02-17  Richard Biener  <rguenther@suse.de>
19285
19286         PR tree-optimization/79552
19287         * tree-ssa-structalias.c (visit_loadstore): Properly verify
19288         default defs.
19289
19290 2017-02-17  Richard Biener  <rguenther@suse.de>
19291
19292         PR bootstrap/79567
19293         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
19294
19295 2017-02-17  Marek Polacek  <polacek@redhat.com>
19296
19297         PR middle-end/79536
19298         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
19299         (fold_negate_expr): New wrapper.
19300
19301 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
19302
19303         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
19304         Correct terminology and de-emphasize pre-standard behavior.
19305
19306 2017-02-16  Alan Modra  <amodra@gmail.com>
19307
19308         PR rtl-optimization/79286
19309         * ira.c (def_dominates_uses): New function.
19310         (update_equiv_regs): Don't create an equivalence for insns that
19311         may trap where the register def does not dominate the use.
19312
19313 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
19314
19315         PR rtl-optimization/78127
19316         * lra.c (lra): Call lra_eliminate before finish the loop after
19317         lra_constraint.
19318
19319 2017-02-16  Richard Biener  <rguenther@suse.de>
19320
19321         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
19322         isl/isl_val.h.
19323         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
19324         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
19325         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
19326         (isl_val_int_from_wi): New function.
19327         (extract_affine_gmp): Rename to ...
19328         (extract_affine_wi): ... this, take a widest_int.
19329         (extract_affine_int): Just wrap extract_affine_wi.
19330         (add_param_constraints): Use isl_val_int_from_wi.
19331         (add_loop_constraints): Likewise, and extract_affine_wi.
19332
19333 2017-02-15  Jeff Law  <law@redhat.com>
19334
19335         PR middle-end/79521
19336         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
19337         ira_init_register_move_cost_if_necessary.
19338
19339 2017-02-15  Martin Sebor  <msebor@redhat.com>
19340
19341         PR middle-end/32003
19342         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
19343         removed in a prior commit.
19344
19345 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
19346
19347         PR tree-optimization/79347
19348         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
19349         counters during peeling.
19350
19351 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
19352
19353         * Makefile.in (site.exp): Remove "set ISLVER".
19354
19355 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
19356
19357         PR target/79487
19358         * real.c (real_from_integer): Call real_convert even for decimal.
19359
19360 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19361
19362         PR target/79421
19363         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
19364
19365 2017-02-14  Andrew Pinski  <apinski@cavium.com>
19366
19367         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
19368         cores and change the partno/implementer to be correct.
19369         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
19370         the 'B" as the implementer.
19371         * config/aarch64/aarch64-tune.md: Regenerate.
19372
19373 2017-02-14  Carl Love  <cel@us.ibm.com>
19374
19375         * config/rs6000/rs6000.c: Add case statement entry to make the
19376         xvcvuxdsp built-in argument unsigned.
19377         * config/rs6000/vsx.md: Fix the source and return operand types so they
19378         match the instruction definitions from the ISA document.  Fix typo
19379         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
19380         statement.
19381
19382 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
19383
19384         PR target/79282
19385         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
19386         member early_clobber_alts.
19387         * lra-lives.c (reg_early_clobber_p): New.
19388         (process_bb_lives): Use it.
19389         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
19390         (debug_operand_data): Initialize early_clobber_alts.
19391         (setup_operand_alternative): Set up early_clobber_alts.
19392         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
19393         alternatives to new_insn_reg.
19394         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
19395         it.
19396         (lra_update_insn_regno_info): Pass the new arg.
19397
19398 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
19399
19400         PR middle-end/79505
19401         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
19402         (new_oacc_loop_raw): Don't clear already cleared fields.
19403
19404         PR target/79481
19405         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
19406         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
19407         _mm512_prefetch_i64gather_ps): New inline functions and macros.
19408
19409 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
19410
19411         PR target/79495
19412         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
19413
19414 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
19415
19416         PR target/79498
19417         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
19418         the extra instruction to the right place to store 128-bit constant
19419         when needed.
19420
19421 2017-02-14  Martin Sebor  <msebor@redhat.com>
19422
19423         PR middle-end/79448
19424         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
19425           warning for strings of unknown length.
19426
19427 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
19428
19429         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
19430
19431 2017-02-14  Jeff Law  <law@redhat.com>
19432
19433         PR target/79404
19434         * ira-costs.c (scan_one_insn): Initialize register move costs
19435         for pseudos seen in USE/CLOBBER insns.
19436
19437         PR tree-optimization/79095
19438         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
19439         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
19440         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
19441         if the operands are known to be not equal, then the resulting range
19442         is ~[0,0].
19443         (intersect_ranges): If the new range is ~[0,0] and the old range is
19444         wide, then prefer ~[0,0].
19445         * tree-vrp.c (overflow_comparison_p_1): New function.
19446         (overflow_comparison_p): New function.
19447         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
19448         if NAME is used in an overflow test.
19449         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
19450         overflow check that can be expressed as an equality test, then adjust
19451         ops to be that equality test.
19452
19453 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19454
19455         * config/s390/s390-builtin-types.def: Remove flags argument.
19456         * config/s390/s390.c (s390_init_builtins): Likewise.
19457
19458 2017-02-14  Martin Liska  <mliska@suse.cz>
19459
19460         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
19461         vector.  Fix trailing white spaces.
19462
19463 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
19464
19465         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
19466         HFmode.
19467
19468 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19469
19470         PR rtl-optimization/68664
19471         * config/arm/arm.c (arm_sched_can_speculate_insn):
19472         New function.  Declare prototype.
19473         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
19474
19475 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19476
19477         PR rtl-optimization/68664
19478         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
19479         New function.
19480         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
19481
19482 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
19483
19484         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
19485         max skip bytes for function, loop and jump.
19486
19487 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
19488
19489         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
19490         ABS_EXPR for gimple dump.
19491
19492 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
19493
19494         PR target/79462
19495         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
19496
19497         PR tree-optimization/79408
19498         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
19499         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
19500         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
19501         also if rhs1 is INTEGER_CST.
19502
19503 2017-02-14  Richard Biener  <rguenther@suse.de>
19504
19505         PR middle-end/79432
19506         * tree-into-ssa.c (insert_phi_nodes): When the function can
19507         have abnormal edges rewrite SSA names with broken use-def
19508         dominance out of SSA and register them for PHI insertion.
19509
19510 2017-02-13  Martin Sebor  <msebor@redhat.com>
19511
19512         PR middle-end/79496
19513         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
19514         clearing info.nowrite flag when snprintf size argument is a range.
19515
19516 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
19517
19518         * cprop.c (cprop_jump): Add missing space in string literal.
19519         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
19520         (get_constraint_for_component_ref): Likewise.
19521         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
19522         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
19523         * lra-constraints.c (process_alt_operands): Likewise.
19524         * ipa-inline.c (inline_small_functions): Likewise.
19525         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
19526         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
19527         * trans-mem.c (diagnose_tm_1_op): Likewise.
19528         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
19529         (grid_parallel_clauses_gridifiable): Likewise.
19530
19531         * config/nvptx/mkoffload.c (process): Add space in between
19532         , and %d.
19533
19534         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
19535         "MOD4_SSE_REGS" and "ALL_REGS".
19536
19537         * spellcheck.c (test_data): Add , in between "foo" and "food".
19538
19539 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19540
19541         PR target/79449
19542         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
19543         boundary crossing check and subsequent code generation agree.
19544
19545 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19546
19547         * config/aarch64/aarch64.c (has_memory_op): Delete.
19548         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
19549         has_memory_op.
19550
19551 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
19552
19553         PR rtl-optimization/79388
19554         PR rtl-optimization/79450
19555         * combine.c (distribute_notes): When removing TEM_INSN for which
19556         corresponding dest has last value recorded, invalidate that last
19557         value.
19558
19559 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19560
19561         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
19562         of explicit '@'.  Add missing assembly comment marker on branch costs
19563         printout.
19564
19565 2017-02-13  Nathan Sidwell  <nathan@acm.org>
19566
19567         * gengtype-lex.l (<in_struct>): Add '/'.
19568
19569 2017-02-13  Martin Liska  <mliska@suse.cz>
19570
19571         PR c/79471
19572         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
19573
19574 2017-02-13  Richard Biener  <rguenther@suse.de>
19575
19576         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
19577         Remove.
19578         * configure: Re-generate.
19579         * config.in: Likewise.
19580         * graphite-dependences.c: Simplify as if
19581         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
19582         * graphite-isl-ast-to-gimple.c: Likewise.
19583         * graphite-optimize-isl.c: Likewise.
19584         * graphite-poly.c: Likewise.
19585         * graphite-sese-to-poly.c: Likewise.
19586         * graphite.h: Likewise.
19587         * toplev.c: Include isl/version.h and use isl_version () for
19588         printing the ISL version.
19589         * doc/install.texi: Update ISL requirement.
19590
19591 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
19592
19593         * doc/standards.texi (Standards): Update reference to
19594         Objective-C 2.0.
19595
19596 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
19597
19598         * doc/extend.texi (Named Address Spaces): sourceware.org now
19599         defaults to https.
19600         * doc/install.texi (Binaries): Ditto.
19601         (Specific): Ditto.
19602
19603 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
19604
19605         * doc/cpp.texi: Replace "stringify"/"stringification" with C
19606         standard terminology "stringize"/"stringizing" throughout.
19607         * doc/cppinternals.texi: Likewise.
19608
19609 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
19610
19611         * doc/extend.texi: Fix some spelling mistakes and typos.
19612         * doc/invoke.texi: Likewise.
19613
19614 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
19615
19616         PR ipa/79224
19617         * params.def (inline-min-speedup) Change from 10 to 8.
19618
19619 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
19620
19621         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
19622         4.5.
19623
19624 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
19625
19626         PR ipa/79224
19627         * ipa-inline-analysis.c (get_minimal_bb): New function.
19628         (record_modified): Use it.
19629         (remap_edge_change_prob): Handle also ancestor functions.
19630
19631 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
19632
19633         * doc/contrib.texi (Contributors): Remove broken link into
19634         the Mauve CVS repository.
19635
19636 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
19637
19638         PR middle-end/79454
19639         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
19640         result computation whenever lhs doesn't have vector mode, not
19641         just when it has BLKmode.
19642
19643 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
19644
19645         * doc/makefile.texi (profiledbootstrap): Refer to the
19646         installation instructions only in textual form.
19647
19648 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
19649
19650         PR target/79295
19651         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
19652
19653 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
19654
19655         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
19656         (Specific): Update mingw-w64 reference.
19657         (Binaries): Ditto.
19658         (Specific): Remove broken link to Renesas RX processor.
19659
19660 2017-02-10  Richard Biener  <rguenther@suse.de>
19661
19662         * toplev.c (process_options): Do not mention obsolete graphite
19663         options when printing sorry message about missing graphite support.
19664         Mention -floop-nest-optimize.
19665
19666 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
19667
19668         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
19669         (vtst_p16): Likewise.
19670         (vtstq_p8): Likewise.
19671         (vtstq_p16): Likewise.
19672         (vtst_p64): New.
19673         (vtstq_p64): Likewise.
19674         * config/arm/arm_neon.h (vgetq_lane_p64): New.
19675         (vset_lane_p64): New.
19676         (vsetq_lane_p64): New.
19677
19678 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
19679
19680         PR tree-optimization/79411
19681         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
19682         stmt operands are SSA_NAMEs used in abnormal phis.
19683         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
19684         phis.
19685
19686 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
19687
19688         PR ipa/70795
19689         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
19690         flag if needed.
19691
19692 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
19693
19694         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
19695
19696 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
19697
19698         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
19699         to avoid warning.
19700
19701         PR c/79413
19702         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
19703         not arbitrary TREE_CONSTANT.
19704
19705         PR c/79431
19706         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
19707         "omp declare target link" attribute unless is_global_var.
19708         * omp-offload.c (find_link_var_op): Likewise.
19709
19710 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
19711             Chung-Lin Tang  <cltang@codesourcery.com>
19712
19713         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
19714         OMP_CLAUSE_TILE.
19715         (gimplify_adjust_omp_clauses): Don't delete TILE.
19716         (gimplify_omp_for): Deal with TILE.
19717         * internal-fn.c (expand_GOACC_TILE): New function.
19718         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
19719         (GOACC_TILE): New.
19720         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
19721         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
19722         element fields.
19723         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
19724         avoid DIV for outermost collapse var.
19725         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
19726         Remove out of date comments, fix whitespace.
19727         * omp-general.c (omp_extract_for_data): Deal with tiling.
19728         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
19729         adjust OLF_DIM_BASE value.
19730         (struct omp_for_data): Add tiling field.
19731         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
19732         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
19733         for auto loops.  Remove default auto determining, moved to
19734         oacc_loop_fixed_partitions.
19735         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
19736         stmts, add e_mask field.
19737         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
19738         (oacc_thread_numbers): Use oacc_dim_call.
19739         (oacc_xform_tile): New.
19740         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
19741         (finish_oacc_loop): Adjust for ifns vector.
19742         (oacc_loop_discover_walk): Append loop abstraction sites to list,
19743         add case for GOACC_TILE fns.
19744         (oacc_loop_xform_loop): Delete.
19745         (oacc_loop_process): Iterate over call list directly, and add
19746         handling for GOACC_TILE fns.
19747         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
19748         dump partitioning.
19749         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
19750         vector partitioning to outer loops.  Assign 2 partitions to loops
19751         when available. Add TILE handling.
19752         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
19753         (execite_oacc_device_lower): Process GOACC_TILE fns,
19754         ignore unknown specs.
19755         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
19756         * tree.c (omp_clause_num_ops): Adjust TILE ops.
19757         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
19758
19759 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
19760
19761         * configure.ac (ACX_BUGURL): Update.
19762         * configure: Regenerate.
19763
19764 2017-02-09  Richard Biener  <rguenther@suse.de>
19765
19766         PR tree-optimization/69823
19767         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
19768         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
19769
19770 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
19771
19772         * config/arc/arc-c.def: Add __NPS400__ definition.
19773         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
19774         (TARGET_NPS400): Define.
19775
19776 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
19777
19778         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
19779         file.
19780         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
19781         pointer, arch_info.
19782         (arc_cpu_types): Fill the arch_info field with a pointer into the
19783         arc_arch_types table.
19784         (arc_selected_cpu): Declare.
19785         * config/arc/arc.c (arc_selected_cpu): Make global.
19786         (arc_selected_arch): Delete.
19787         (arc_base_cpu): Delete.
19788         (arc_override_options): Remove references to deleted variables,
19789         update access to arch information.
19790         (ARC_OPT): Update access to arch information.
19791         (ARC_OPTX): Likewise.
19792         * config/arc/arc.h (arc_base_cpu): Remove declaration.
19793         (TARGET_ARC600): Update access to arch information.
19794         (TARGET_ARC601): Likewise.
19795         (TARGET_ARC700): Likewise.
19796         (TARGET_EM): Likewise.
19797         (TARGET_HS): Likewise.
19798         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
19799         information.
19800
19801 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
19802
19803         PR target/78604
19804         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
19805         condition/operands for integer GE/LE/GEU/LEU operations.
19806
19807 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
19808
19809         PR translation/79397
19810         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
19811         of AltiVec.
19812
19813 2017-02-08  Martin Jambor  <mjambor@suse.cz>
19814
19815         PR ipa/79375
19816         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
19817         whether allocation happened.
19818         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
19819         nothing was allocated.
19820
19821 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
19822
19823         PR tree-optimization/79408
19824         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
19825         constant, but SSA_NAME with a known integer range, use the minimum
19826         of that range instead of op1 to determine if modulo can be replaced
19827         with its first operand.
19828
19829 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19830
19831         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
19832
19833 2017-02-08  Richard Biener  <rguenther@suse.de>
19834
19835         PR tree-optimization/71824
19836         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
19837         Check all loops contained in the merged region.
19838
19839 2017-02-07  Andrew Pinski  <apinski@cavium.com>
19840
19841         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
19842
19843 2017-02-07  Andrew Pinski  <apinski@cavium.com>
19844
19845         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
19846         (thunderxt88): Likewise.
19847         (thunderxt81): Disable LSE and change v8.1 to v8.
19848         (thunderxt83): Likewise.
19849
19850 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
19851             Richard Biener  <rguenther@suse.de>
19852
19853         PR middle-end/79399
19854         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
19855         type from int to size_t.
19856         * ira-costs.c (struct_costs_size): Change type from int to size_t.
19857
19858 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
19859
19860         PR rtl-optimization/79386
19861         * cprop.c (bypass_conditional_jumps): Initialize
19862         bypass_last_basic_block already before splitting bbs after
19863         unconditional traps...
19864         (bypass_conditional_jumps): ... rather than here.
19865
19866         PR target/79299
19867         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
19868         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
19869         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
19870         fix -masm=intel patterns.
19871
19872 2017-02-07  Richard Biener  <rguenther@suse.de>
19873
19874         PR tree-optimization/79256
19875         PR middle-end/79278
19876         * builtins.c (get_object_alignment_2): Use min_align_of_type
19877         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
19878         and ADJUST_FIELD_ALIGN.
19879
19880         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
19881         type parameter.
19882         * doc/tm.texi: Regenerate.
19883         * stor-layout.c (layout_decl): Adjust.
19884         (update_alignment_for_field): Likewise.
19885         (place_field): Likewise.
19886         (min_align_of_type): Likewise.
19887         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
19888         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
19889         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
19890         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
19891         * config/frv/frv.c (frv_adjust_field_align): Likewise.
19892         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
19893         * config/i386/i386.c (x86_field_alignment): Likewise.
19894         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
19895         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
19896         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
19897         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
19898         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
19899         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
19900          Likewise.
19901
19902         Revert
19903         2017-01-30  Richard Biener  <rguenther@suse.de>
19904
19905         PR tree-optimization/79256
19906         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
19907         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
19908         alignment on TYPE.
19909
19910 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
19911
19912         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
19913         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
19914         builtins to SImode and emit a zero-extend, if necessary.
19915
19916 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
19917
19918         * docs/invoke.texi (RISC-V Options): Alphabetize.
19919
19920 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
19921
19922         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
19923         options.
19924
19925 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
19926
19927         * config/riscv/riscv.c: New file.
19928         * common/config/riscv/riscv-common.c: Likewise.
19929         * config.gcc: Likewise.
19930         * config/riscv/constraints.md: Likewise.
19931         * config/riscv/elf.h: Likewise.
19932         * config/riscv/generic.md: Likewise.
19933         * config/riscv/linux.h: Likewise.
19934         * config/riscv/multilib-generator: Likewise.
19935         * config/riscv/peephole.md: Likewise.
19936         * config/riscv/pic.md: Likewise.
19937         * config/riscv/predicates.md: Likewise.
19938         * config/riscv/riscv-builtins.c: Likewise.
19939         * config/riscv/riscv-c.c: Likewise.
19940         * config/riscv/riscv-ftypes.def: Likewise.
19941         * config/riscv/riscv-modes.def: Likewise.
19942         * config/riscv/riscv-opts.h: Likewise.
19943         * config/riscv/riscv-protos.h: Likewise.
19944         * config/riscv/riscv.h: Likewise.
19945         * config/riscv/riscv.md: Likewise.
19946         * config/riscv/riscv.opt: Likewise.
19947         * config/riscv/sync.md: Likewise.
19948         * config/riscv/t-elf-multilib: Likewise.
19949         * config/riscv/t-linux: Likewise.
19950         * config/riscv/t-linux-multilib: Likewise.
19951         * config/riscv/t-riscv: Likewise.
19952         * configure.ac: Likewise.
19953         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
19954         Waterman as RISC-V maintainers.
19955         * doc/install.texi: Add RISC-V entries.
19956         * doc/invoke.texi: Add RISC-V options section.
19957         * doc/md.texi: Add RISC-V constraints section.
19958         * configure: Regenerated.
19959
19960 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
19961
19962         PR target/66144
19963         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
19964         false values to be constant vectors with all 0 or all 1 bits set.
19965         (vcondu<mode><mode>): Likewise.
19966         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
19967         predicate.
19968         (fpmask_comparison_operator): Update comment.
19969         (vecint_comparison_operator): New predicate.
19970         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
19971         vector conditionals when the true and false values are constant
19972         vectors with all 0 bits or all 1 bits set.
19973
19974 2017-02-06  Martin Sebor  <msebor@redhat.com>
19975
19976         PR  tree-optimization/79376
19977         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
19978
19979 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
19980
19981         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
19982         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
19983         to simplify split condition.
19984
19985 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
19986
19987         * omp-expand.c (oxpand_omp_atomic_fetch_op,
19988         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
19989         false.
19990
19991 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
19992
19993         PR rtl-optimization/68664
19994         * target.def (can_speculate_insn): New hook.
19995         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
19996         * doc/tm.texi: Regenerate.
19997         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
19998         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
19999         (rs6000_sched_can_speculate_insn): New function.
20000
20001 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
20002
20003         PR tree-optimization/79284
20004         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
20005         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
20006         vectorizable_mask_load_store, vectorizable_operation,
20007         vect_is_simple_cond, get_same_sized_vectype): Use it instead
20008         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
20009         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
20010         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
20011         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
20012         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
20013         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
20014         is_gimple_assign (stmt).  Replace another such test with
20015         is_gimple_assign (stmt).
20016
20017 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
20018
20019         PR target/78883
20020         * config/avr/avr.c (rtl-iter.h): Include it.
20021         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
20022         (avr_legitimate_combined_insn): ...and implementation.
20023
20024 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
20025
20026         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
20027         * config/s390/s390.c (s390_const_operand_ok)
20028         (s390_canonicalize_comparison, s390_extract_part)
20029         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
20030         (s390_contiguous_bitmask_p, s390_rtx_costs)
20031         (legitimize_pic_address): Likewise.
20032         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
20033         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
20034         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
20035         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
20036         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
20037
20038 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
20039
20040         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
20041         REGNO($0) == REGNO($1).
20042
20043 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20044
20045         * config/s390/linux.h(SIZE_TYPE): Add comment.
20046
20047 2017-02-06  Julian Brown  <julian@codesourcery.com>
20048             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
20049             Virendra Pathak  <virendra.pathak@broadcom.com>
20050
20051         * config/aarch64/aarch64-cores.def: Change the scheduler
20052         to Thunderx2t99.
20053         * config/aarch64/aarch64.md: Include thunderx2t99.md.
20054         * config/aarch64/thunderx2t99.md: New file.
20055
20056 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
20057
20058         * doc/standards.texi (Go Language): Update link to language
20059         standard.
20060
20061 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
20062
20063         * tree-eh.c (lower_resx): Sanitize profile.
20064         (cleanup_empty_eh_move_lp): Likewise.
20065
20066 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
20067
20068         PR tree-ssa/79347
20069         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
20070         ELSE_PROB.
20071         * cfgloopmanip.h (loop_version): Update prototype.
20072         * modulo-sched.c (sms_schedule): Update call of loop_version.
20073         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
20074         * tree-parloops.c (gen_parallel_loop): Likewise.
20075         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
20076         * tree-ssa-loop-split.c (split_loop): Likewise.
20077         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
20078         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
20079
20080 2017-02-05  Martin Liska  <mliska@suse.cz>
20081
20082         PR bootstrap/78985
20083         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
20084         variable to NULL.
20085         (print_operand_address): Initialize a struct to zero.
20086
20087 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
20088
20089         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
20090         garbage collector only in textual form.
20091
20092 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
20093
20094         * doc/extend.texi (x86 specific memory model extensions for
20095         transactional memory): Simplify a phrase.
20096
20097 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
20098
20099         PR target/79353
20100         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
20101         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
20102         (atomic_storedi_1): Likewise.
20103
20104 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
20105
20106         PR tree-optimization/79338
20107         * tree-parloops.c (gather_scalar_reductions): Don't call
20108         vect_analyze_loop_form for loop->inner before destroying loop's
20109         loop_vinfo.
20110
20111 2017-02-03  Martin Sebor  <msebor@redhat.com>
20112
20113         PR tree-optimization/79327
20114         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
20115         when precision has resulted in leading zeros.
20116         (format_integer): Adjust the likely counter to assume an unknown
20117         argument that may be zero is non-zero.
20118
20119 2017-02-03  Jason Merrill  <jason@redhat.com>
20120
20121         PR c++/78689
20122         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
20123         avoid copying non-taken branch.
20124
20125 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
20126
20127         PR tree-optimization/79340
20128         * tree-vect-loop.c (vectorizable_reduction): Release
20129         vec_defs elements after safe_splicing them into other vectors.
20130         Formatting fixes.
20131
20132         PR tree-optimization/79327
20133         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
20134         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
20135         dirtype.
20136         (format_integer): Use wide_int_to_tree instead of build_int_cst
20137         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
20138         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
20139         of shortest and longest sequence.
20140
20141 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
20142
20143         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
20144         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
20145
20146 2017-02-03  Walter Lee  <walt@tilera.com>
20147
20148         PR target/78862
20149         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
20150         after initial stackframe link reg save.
20151         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
20152
20153 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
20154
20155         PR target/79354
20156         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
20157         wu for stxssp alternative.
20158
20159 2017-02-03  Martin Sebor  <msebor@redhat.com>
20160
20161         PR tree-optimization/79352
20162         * gimple-fold.c (get_range_strlen): Add argument.
20163         (get_range_strlen): Change return type to bool.
20164         (get_maxval_strlen): Pass in a dummy argument.
20165         * gimple-fold.h (get_range_strlen): Change return type to bool.
20166         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
20167         * tree.h (array_at_struct_end_p): Add argument.
20168         * tree.c (array_at_struct_end_p): Handle it.
20169
20170 2017-02-03  Martin Liska  <mliska@suse.cz>
20171
20172         PR lto/66295
20173         * multiple_target.c (create_dispatcher_calls): Redirect edge
20174         from a caller of a dispatcher.
20175         (expand_target_clones): Make the clones local.
20176         (ipa_target_clone): Do both target clones and resolvers.
20177         (ipa_dispatcher_calls): Remove the pass.
20178         (pass_dispatcher_calls::gate): Likewise.
20179         (make_pass_dispatcher_calls): Likewise.
20180         * passes.def (pass_target_clone): Put as very first IPA early
20181         pass.
20182
20183 2017-02-03  Martin Liska  <mliska@suse.cz>
20184
20185         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
20186         in case of a function with ifunc attribute.
20187
20188 2017-02-03  Martin Liska  <mliska@suse.cz>
20189
20190         * cgraph.c (cgraph_node::dump): Dump function version info.
20191         * symtab.c (symtab_node::dump_base): Add missing new line.
20192
20193 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
20194
20195         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
20196         (ifcombine_ifandif): Use it.
20197
20198 2017-02-03  Martin Liska  <mliska@suse.cz>
20199
20200         * doc/invoke.texi: Document default value for
20201         use-after-scope-direct-emission-threshold.
20202
20203 2017-02-03  Martin Liska  <mliska@suse.cz>
20204
20205         PR tree-optimization/79339
20206         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
20207         (format_floating): Likewise.
20208
20209 2017-02-03  Martin Liska  <mliska@suse.cz>
20210
20211         PR ipa/79337
20212         * ipa-prop.c (ipa_node_params_t::insert): Remove current
20213         implementation.
20214         (ipa_node_params_t::remove): Likewise.
20215         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
20216         initialization from removed ipa_node_params_t::insert.
20217         (ipa_node_params::~ipa_node_params): Move from removed
20218         ipa_node_params_t::release.
20219         * symbol-summary.h (symbol_summary::m_released): New member.
20220         Do not release a summary twice.  Do not allow to call finalizer
20221         for types of a summary that live in GGC memory.
20222
20223 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
20224
20225         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
20226         cmp_branch fusion.
20227
20228 2017-02-02  Martin Sebor  <msebor@redhat.com>
20229
20230         PR middle-end/79275
20231         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
20232         (format_string): Tighten up the range of output for non-constant
20233         strings and correct the expected range for wide non-constant strings.
20234
20235 2017-02-02  Martin Sebor  <msebor@redhat.com>
20236
20237         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
20238
20239         PR middle-end/32003
20240         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
20241         index.
20242         (-fdump-tree-@var): Add to index and document how to come up
20243         with pass-specific option and dump file names.
20244         (-fdump-passes): Clarify where to look for output.
20245
20246 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
20247
20248         PR middle-end/77445
20249         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
20250         statistics of the analyzed path; allow threading for speed when
20251         any of BBs along the path are optimized for speed.
20252
20253 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
20254
20255         PR middle-end/78468
20256         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
20257         settings of the virtual registers.
20258
20259         Revert again
20260         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
20261
20262         * explow.c (get_dynamic_stack_size): Take known alignment of stack
20263         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
20264         needed.
20265
20266 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20267
20268         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
20269         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
20270
20271 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20272
20273         * config/s390/s390.md: Add missing comments with the expanded
20274         mnemonics.
20275         * config/s390/vector.md: Likewise.
20276         * config/s390/vx-builtins.md: Likewise.
20277
20278 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
20279
20280         PR target/79197
20281         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
20282         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
20283         conditions on a single line.
20284
20285 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20286
20287         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
20288         __S390_VX__ to __VX__.
20289
20290 2017-02-01  Andrew Pinski  <apinski@cavium.com>
20291
20292         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
20293         stmt_info to record_stmt_cost.
20294         (vect_get_known_peeling_cost): Pass stmt_info if known to
20295         record_stmt_cost.
20296         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
20297         cpu_vector_cost field into
20298         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
20299         field into vec_int_stmt_cost and vec_fp_stmt_cost.
20300         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
20301         splitting of scalar_stmt_cost and vec_stmt_cost.
20302         (thunderx_vector_cost): Likewise.
20303         (cortexa57_vector_cost): LIkewise.
20304         (exynosm1_vector_cost): Likewise.
20305         (xgene1_vector_cost): Likewise.
20306         (thunderx2t99_vector_cost): Improve after the splitting of the two
20307         fields.
20308         (aarch64_builtin_vectorization_cost): Update for the splitting of
20309         scalar_stmt_cost and vec_stmt_cost.
20310
20311 2017-02-01  Torvald Riegel  <triegel@redhat.com>
20312             Richard Henderson  <rth@redhat.com>
20313
20314         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
20315         conditional on existance of a fast atomic load.
20316         * optabs-query.c (can_atomic_load_p): New function.
20317         * optabs-query.h (can_atomic_load_p): Declare it.
20318         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
20319         no fast atomic load is available for the particular size of access.
20320         (expand_atomic_compare_and_swap): Likewise.
20321         (expand_atomic_load): Likewise.
20322         (expand_atomic_store): Likewise.
20323         (expand_atomic_fetch_op): Likewise.
20324         * testsuite/lib/target-supports.exp
20325         (check_effective_target_sync_int_128): Remove x86 because it provides
20326         no fast atomic load.
20327         (check_effective_target_sync_int_128_runtime): Likewise.
20328
20329 2017-02-01  Richard Biener  <rguenther@suse.de>
20330
20331         * graphite.c: Include tree-vectorizer.h for find_loop_location.
20332         (graphite_transform_loops): Provide opt-info for optimized nests.
20333         * tree-parloop.c (parallelize_loops): Provide opt-info for
20334         parallelized loops.
20335
20336 2017-02-01  Richard Biener  <rguenther@suse.de>
20337
20338         PR middle-end/79315
20339         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
20340         was not set before.
20341
20342 2017-02-01  Richard Biener  <rguenther@suse.de>
20343
20344         PR tree-optimization/71824
20345         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
20346         Verify the loops are valid in the merged SESE region.
20347         (scop_detection::can_represent_loop_1): Check analyzing the
20348         evolution of the number of iterations in the region succeeds.
20349
20350 2017-01-31  Ian Lance Taylor  <iant@golang.org>
20351
20352         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
20353         REG_ARGS_SIZE note to 32-bit push insns and call insn.
20354
20355 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
20356
20357         PR preprocessor/79210
20358         * input.c (get_substring_ranges_for_loc): Replace line_width
20359         assertion with error-handling.
20360
20361 2017-01-31  Richard Biener  <rguenther@suse.de>
20362
20363         PR tree-optimization/77318
20364         * graphite-sese-to-poly.c (extract_affine): Fix assert.
20365         (create_pw_aff_from_tree): Take loop parameter.
20366         (add_condition_to_pbb): Pass loop of the condition to
20367         create_pw_aff_from_tree.
20368
20369 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
20370
20371         * config/s390/s390.c (s390_asan_shadow_offset): New function.
20372         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
20373
20374 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
20375
20376         PR target/78597
20377         PR target/79038
20378         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
20379         no longer used.
20380         (convert_int_to_float128): Likewise.
20381         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
20382         (convert_int_to_float128): Likewise.
20383         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
20384         (UNSPEC_IEEE128_CONVERT): Likewise.
20385         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
20386         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
20387         Use local variables for IBM extended format.
20388         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
20389         (fix_trunc<mode>si2_fprs): Likewise.
20390         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
20391         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
20392         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
20393         to know that we can now have integers of all sizes in vector
20394         registers.
20395         (fix<uns>_<mode>di2_hw): Likewise.
20396         (float<uns>_<mode>si2_hw): Likewise.
20397         (fix_<mode>si2_hw): Likewise.
20398         (fixuns_<mode>si2_hw): Likewise.
20399         (float<uns>_<mode>di2_hw): Likewise.
20400         (float_<mode>di2_hw): Likewise.
20401         (float_<mode>si2_hw): Likewise.
20402         (floatuns_<mode>di2_hw): Likewise.
20403         (floatuns_<mode>si2_hw): Likewise.
20404         (xscvqp<su>wz_<mode>): Delete, no longer used.
20405         (xscvqp<su>dz_<mode>): Likewise.
20406         (xscv<su>dqp_<mode>): Likewise.
20407         (ieee128_mfvsrd_64bit): Likewise.
20408         (ieee128_mfvsrd_32bit): Likewise.
20409         (ieee128_mfvsrwz): Likewise.
20410         (ieee128_mtvsrw): Likewise.
20411         (ieee128_mtvsrd_64bit): Likewise.
20412         (ieee128_mtvsrd_32bit): Likewise.
20413
20414 2017-01-31  Martin Liska  <mliska@suse.cz>
20415
20416         PR ipa/79285
20417         * ipa-prop.c (ipa_free_all_node_params): Call release method
20418         instead of ~sumbol_summary to not to trigger double times
20419         dtor of hash_map.
20420
20421 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
20422
20423         PR tree-optimization/71691
20424         * bitmap.h (class auto_bitmap): New.
20425         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
20426         is_maybe_undefined instead of ssa_undefined_value_p.
20427
20428 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20429
20430         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
20431         __S390_ARCH_LEVEL__ to __ARCH__.
20432
20433 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
20434
20435         PR tree-optimization/79267
20436         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
20437         if should_remove_lhs_p is true.
20438
20439 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
20440
20441         PR debug/63238
20442         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
20443         (add_alignment_attribute): New.
20444         (base_type_die): Add alignment attribute.
20445         (subrange_type_die): Likewise.
20446         (modified_type_die): Likewise.
20447         (gen_array_type_die): Likewise.
20448         (gen_descr_array_type_die: Likewise.
20449         (gen_enumeration_type_die): Likewise.
20450         (gen_subprogram_die): Likewise.
20451         (gen_variable_die): Likewise.
20452         (gen_field_die): Likewise.
20453         (gen_ptr_to_mbr_type_die): Likewise.
20454         (gen_struct_or_union_type_die): Likewise.
20455         (gen_subroutine_type_die): Likewise.
20456         (gen_typedef_die): Likewise.
20457         (base_type_cmp): Compare alignment attribute.
20458
20459 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20460
20461         PR target/79170
20462         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
20463         (setb_unsigned) New pattern for setb with CCUNS.
20464         * config/rs6000/rs6000.c (expand_block_compare): Use a different
20465         subfc./subfe sequence to avoid overflow problems.  Generate a
20466         shorter sequence with cmpld/setb for power9.
20467         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
20468         for generating subfc. instruction.
20469         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
20470         now uses this instruction.
20471
20472 2017-01-30  Ian Lance Taylor  <iant@google.com>
20473
20474         PR debug/79289
20475         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
20476         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
20477
20478 2017-01-30  Martin Sebor  <msebor@redhat.com>
20479
20480         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
20481         Move constant to the right of a relational operator.
20482         (get_mpfr_format_length, format_character, format_string): Ditto.
20483         (should_warn_p, maybe_warn): Same.
20484
20485         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
20486
20487 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
20488
20489         PR lto/79061
20490         * asan.c (get_translation_unit_decl): Remove function.
20491         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
20492
20493 2017-01-30  Martin Liska  <mliska@suse.cz>
20494
20495         PR gcov-profile/79259
20496         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
20497         -fprofile-generate.
20498
20499 2017-01-30  Martin Liska  <mliska@suse.cz>
20500
20501         PR bootstrap/78985
20502         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
20503         Initialize variables with NULL value.
20504
20505 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
20506
20507         PR target/79260
20508         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
20509         tm_p_file.
20510         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
20511
20512 2017-01-30  Richard Biener  <rguenther@suse.de>
20513
20514         PR tree-optimization/79276
20515         * tree-vrp.c (process_assert_insertions): Properly adjust common
20516         when removing a duplicate.
20517
20518         * gcc.dg/torture/pr79276.c: New testcase.
20519
20520 2017-01-30  Richard Biener  <rguenther@suse.de>
20521
20522         PR tree-optimization/79256
20523         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
20524         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
20525         alignment on TYPE.
20526         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
20527
20528 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
20529
20530         PR target/79240
20531         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
20532         ("*r<noxa>sbg_<mode>_sll_bitmask")
20533         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
20534         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
20535         Use contiguous_bitmask_nowrap_operand.
20536
20537 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20538
20539         PR target/79268
20540         * config/rs6000/altivec.h (vec_xl): Revise #define.
20541         (vec_xst): Likewise.
20542
20543 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
20544
20545         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
20546
20547 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
20548
20549         PR rtl-optimization/79194
20550         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
20551         traps before call to bypass_conditional_jumps.
20552
20553 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
20554
20555         PR tree-optimization/71374
20556         * lra-constraints.c (check_conflict_input_operands): New.
20557         (match_reload): Use it.
20558
20559 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
20560
20561         PR target/79131
20562         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
20563         account to calculate conflict_set.
20564
20565 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
20566
20567         PR rtl-optimization/78559
20568         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
20569         other_insn in combine.
20570
20571 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
20572
20573         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
20574         uint16_type_node for BT_UINT16.
20575
20576 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
20577
20578         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
20579         "RTL Tests" to menu.
20580         (GIMPLE Tests): New node.
20581         (RTL Tests): New node.
20582
20583 2017-01-27  Richard Biener  <rguenther@suse.de>
20584
20585         PR tree-optimization/79245
20586         * tree-loop-distribution.c (distribute_loop): Apply cost
20587         modeling also to detected patterns.
20588
20589 2017-01-27  Richard Biener  <rguenther@suse.de>
20590
20591         PR tree-optimization/71433
20592         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
20593         (compare_assert_loc): New function.
20594         (process_assert_insertions): Sort and optimize assert locations
20595         to remove duplicates and push down identical assertions on
20596         edges to their destination block.
20597
20598 2017-01-27  Richard Biener  <rguenther@suse.de>
20599
20600         PR tree-optimization/79244
20601         * tree-vrp.c (remove_range_assertions): Forcefully propagate
20602         out SSA names even if abnormal.
20603
20604 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
20605
20606         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
20607         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
20608         instead of MPFR_RNDN.
20609
20610 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
20611
20612         PR target/79239
20613         * arm.c (arm_option_override): Don't call build_target_option_node
20614         until after doing all option overrides.
20615         (arm_valid_target_attribute_tree): Likewise.
20616
20617 2017-01-27  Martin Liska  <mliska@suse.cz>
20618
20619         * doc/invoke.texi (-fprofile-arcs): Document profiling support
20620         for {cd}tors and C++ {cd}tors.
20621
20622 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
20623
20624         * config/s390/s390.md ("*setmem_long_and")
20625         ("*setmem_long_and_31z"): Use zero_extend instead of and.
20626
20627 2017-01-26  Martin Sebor  <msebor@redhat.com>
20628
20629         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
20630         of precision.
20631
20632 2017-01-26  Martin Sebor  <msebor@redhat.com>
20633
20634         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
20635         HAVE_DFmode before using XFmode or DFmode.
20636         (parse_directive): Avoid using the z length modifier to avoid
20637         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
20638
20639         PR middle-end/78703
20640         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
20641         to accept adjustment as an array.
20642         (get_int_range): New function.
20643         (struct directive): Make width and prec arrays.
20644         (directive::set_width, directive::set_precision): Call get_int_range.
20645         (format_integer, format_floating): Handle width and precision ranges.
20646         (format_string, parse_directive): Same.
20647
20648 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
20649
20650         PR debug/79129
20651         * dwarf2out.c (generate_skeleton_bottom_up): For children with
20652         comdat_type_p set, just clone them, but keep the children in the
20653         original DIE.
20654
20655         PR debug/78835
20656         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
20657         which have direct callers with -fvar-tracking-assignments enabled
20658         in the current TU.
20659         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
20660         inside of type units.
20661
20662 2017-01-26  Martin Sebor  <msebor@redhat.com>
20663
20664         PR middle-end/78703
20665         * gimple-ssa-sprintf.c (struct result_range): Add likely and
20666         unlikely counters.
20667         (struct format_result): Replace number_chars, number_chars_min,
20668         and number_chars_max with a single member of struct result_range.
20669         Remove bounded.
20670         (format_result::operator+=): Adjust.
20671         (struct fmtresult): Remove bounded.  Handle likely and unlikely
20672         counters.
20673         (fmtresult::adjust_for_width_or_precision): New function.
20674         (fmtresult:type_max_digits): New function.
20675         (bytes_remaining): Handle likely and unlikely counters.
20676         (min_bytes_remaining): Remove.
20677         (format_percent): Simplify.
20678         (format_integer, format_floating): Set likely and unlikely counters.
20679         (get_string_length, format_character, format_string): Same.
20680         (format_plain, should_warn_p): New function.
20681         (maybe_warn): Call should_warn_p.  Update diagnostic messages
20682         and handle those for all directives, including plain strings.
20683         (format_directive): Handle likely and unlikely counters.
20684         Remove unnecessary quoting from diagnostics.  Add an informational
20685         note.
20686         (add_bytes): Remove.
20687         (pass_sprintf_length::compute_format_length): Simplify.
20688         (try_substitute_return_value): Handle likely and unlikely counters.
20689
20690 2017-01-26  Carl Love  <cel@us.ibm.com>
20691
20692         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
20693         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
20694
20695 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
20696
20697         PR target/79131
20698         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
20699         endianess for subregs into account.
20700         * lra-constraints.c (lra_constraints): Do risky transformations
20701         always on the first iteration.
20702         * lra-lives.c (check_pseudos_live_through_calls): Add arg
20703         last_call_used_reg_set.
20704         (process_bb_lives): Define and use last_call_used_reg_set.
20705         * lra.c (lra): Always continue after lra_constraints on the first
20706         iteration.
20707
20708 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
20709
20710         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
20711         constant.
20712         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
20713
20714 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
20715
20716         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
20717         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
20718         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
20719         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
20720         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
20721         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
20722         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
20723         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
20724         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
20725
20726 2017-01-26  Marek Polacek  <polacek@redhat.com>
20727
20728         PR c/79199
20729         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
20730         for the third operand.
20731
20732 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
20733
20734         PR middle-end/79236
20735         * omp-low.c (struct omp_context): Add simt_stmt field.
20736         (scan_omp_for): Return omp_context *.
20737         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
20738         context to the _simt_ SIMD stmt.
20739         (lower_omp_for): For combined SIMD with sibling _simt_
20740         SIMD, make sure to use the same decls in _looptemp_
20741         clauses as in the sibling.
20742
20743 2017-01-26  David Sherwood  <david.sherwood@arm.com>
20744
20745         PR middle-end/79212
20746         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
20747         all contexts.
20748
20749 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
20750
20751         PR target/70465
20752         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
20753         emit fld b; fld a; if possible.
20754
20755         * brig-builtins.def: Update copyright years.
20756         * config/arm/arm_acle_builtins.def: Update copyright years.
20757
20758 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
20759
20760         PR target/79179
20761         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
20762         constraint instead of o for the stxsd instruction.
20763
20764 2017-01-25  Carl Love  <cel@us.ibm.com>
20765
20766         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
20767         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
20768
20769 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
20770
20771         * doc/invoke.texi (C++ Dialect Options): Fix typo.
20772
20773 2017-01-25  Richard Biener  <rguenther@suse.de>
20774
20775         PR tree-optimization/69264
20776         * target.def (vector_alignment_reachable): Improve documentation.
20777         * doc/tm.texi: Regenerate.
20778         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
20779         and add a comment.
20780         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
20781         earlier changes with respect to TYPE_USER_ALIGN.
20782         (vector_alignment_reachable_p): Likewise.  Improve dumping.
20783
20784 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20785
20786         PR target/79145
20787         * config/arm/arm.md (xordi3): Force constant operand into a register
20788         for TARGET_IWMMXT.
20789
20790 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20791
20792         * doc/invoke.texi (-fstore-merging): Correct default optimization
20793         levels at which it is enabled.
20794         (-O): Move -fstore-merging from list to...
20795         (-O2): ... Here.
20796
20797 2017-01-25  Richard Biener  <rguenther@suse.de>
20798
20799         PR debug/78363
20800         * omp-expand.c: Include debug.h.
20801         (expand_omp_taskreg): Make sure to generate early debug before
20802         outlining anything from a function.
20803         (expand_omp_target): Likewise.
20804         (grid_expand_target_grid_body): Likewise.
20805
20806 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
20807
20808         PR lto/79061
20809         * asan.c (get_translation_unit_decl): New function.
20810         (asan_add_global): Extract modules file name from globals
20811         TRANSLATION_UNIT_DECL name.
20812
20813 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
20814
20815         PR target/77439
20816         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
20817         for long calls with APCS frame and VFP.
20818
20819 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
20820
20821         * cfg.c (original_copy_tables_initialized_p): New function.
20822         * cfg.h (original_copy_tables_initialized_p): New decl.
20823         * cfgrtl.c (relink_block_chain): Guard the call to
20824         free_original_copy_tables with a call to
20825         original_copy_tables_initialized_p.
20826         * cgraph.h (symtab_node::native_rtl_p): New decl.
20827         * cgraphunit.c (symtab_node::native_rtl_p): New function.
20828         (symtab_node::needed_p): Don't assert for early assembly output
20829         for __RTL functions.
20830         (cgraph_node::finalize_function): Set "force_output" for __RTL
20831         functions.
20832         (cgraph_node::analyze): Bail out early for __RTL functions.
20833         (analyze_functions): Update assertion to support __RTL functions.
20834         (cgraph_node::expand): Bail out early for __RTL functions.
20835         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
20836         __RTL functions.
20837         * function.h (struct function): Update comment for field
20838         "pass_startwith".
20839         * gimple-expr.c: Include "tree-pass.h".
20840         (gimple_has_body_p): Return false for __RTL functions.
20841         * Makefile.in (OBJS): Add run-rtl-passes.o.
20842         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
20843         accessor.
20844         (gcc::pass_manager::get_clean_slate): New accessor.
20845         * passes.c: Include "insn-addr.h".
20846         (should_skip_pass_p): Add logging.  Update logic for running
20847         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
20848         property-provider override so it is only done for gimple passes.
20849         Don't skip dfinit.
20850         (skip_pass): New function.
20851         (execute_one_pass): Call skip_pass when skipping passes.
20852         * read-md.c (md_reader::read_char): Support filtering
20853         the input to a subset of line numbers.
20854         (md_reader::md_reader): Initialize fields
20855         m_first_line and m_last_line.
20856         (md_reader::read_file_fragment): New function.
20857         * read-md.h (md_reader::read_file_fragment): New decl.
20858         (md_reader::m_first_line): New field.
20859         (md_reader::m_last_line): New field.
20860         * read-rtl-function.c (function_reader::create_function): Only
20861         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
20862         curr_properties.  Set DECL_INITIAL to a dummy block.
20863         (read_rtl_function_body_from_file_range): New function.
20864         * read-rtl-function.h (read_rtl_function_body_from_file_range):
20865         New decl.
20866         * run-rtl-passes.c: New file.
20867         * run-rtl-passes.h: New file.
20868
20869 2017-01-24  Jeff Law  <law@redhat.com>
20870
20871         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
20872         buffer size.
20873
20874 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
20875
20876         PR tree-optimization/79159
20877         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
20878         (record_nonwrapping_iv): Improve boundary using above function if no
20879         value range information.
20880
20881 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
20882             Martin Jambor  <mjambor@suse.cz>
20883
20884         * brig-builtins.def: New file.
20885         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
20886         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
20887         (DEF_HSAIL_SAT_BUILTIN): Likewise.
20888         (DEF_HSAIL_INTR_BUILTIN): Likewise.
20889         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
20890         * builtin-types.def (BT_INT8): New.
20891         (BT_INT16): Likewise.
20892         (BT_UINT8): Likewise.
20893         (BT_UINT16): Likewise.
20894         (BT_FN_ULONG): Likewise.
20895         (BT_FN_UINT_INT): Likewise.
20896         (BT_FN_UINT_ULONG): Likewise.
20897         (BT_FN_UINT_LONG): Likewise.
20898         (BT_FN_UINT_PTR): Likewise.
20899         (BT_FN_ULONG_PTR): Likewise.
20900         (BT_FN_INT8_FLOAT): Likewise.
20901         (BT_FN_INT16_FLOAT): Likewise.
20902         (BT_FN_UINT32_FLOAT): Likewise.
20903         (BT_FN_UINT16_FLOAT): Likewise.
20904         (BT_FN_UINT8_FLOAT): Likewise.
20905         (BT_FN_UINT64_FLOAT): Likewise.
20906         (BT_FN_UINT16_UINT32): Likewise.
20907         (BT_FN_UINT32_UINT16): Likewise.
20908         (BT_FN_UINT16_UINT16_UINT16): Likewise.
20909         (BT_FN_INT_PTR_INT): Likewise.
20910         (BT_FN_UINT_PTR_UINT): Likewise.
20911         (BT_FN_LONG_PTR_LONG): Likewise.
20912         (BT_FN_ULONG_PTR_ULONG): Likewise.
20913         (BT_FN_VOID_UINT64_UINT64): Likewise.
20914         (BT_FN_UINT8_UINT8_UINT8): Likewise.
20915         (BT_FN_INT8_INT8_INT8): Likewise.
20916         (BT_FN_INT16_INT16_INT16): Likewise.
20917         (BT_FN_INT_INT_INT): Likewise.
20918         (BT_FN_UINT_FLOAT_UINT): Likewise.
20919         (BT_FN_FLOAT_UINT_UINT): Likewise.
20920         (BT_FN_ULONG_UINT_UINT): Likewise.
20921         (BT_FN_ULONG_UINT_PTR): Likewise.
20922         (BT_FN_ULONG_ULONG_ULONG): Likewise.
20923         (BT_FN_UINT_UINT_UINT): Likewise.
20924         (BT_FN_VOID_UINT_PTR): Likewise.
20925         (BT_FN_UINT_UINT_PTR: Likewise.
20926         (BT_FN_UINT32_UINT64_PTR): Likewise.
20927         (BT_FN_INT_INT_UINT_UINT): Likewise.
20928         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
20929         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
20930         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
20931         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
20932         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
20933         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
20934         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
20935         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
20936         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
20937         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
20938         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
20939         * doc/frontends.texi: List BRIG FE.
20940         * doc/install.texi (Testing): Add BRIG tesring requirements.
20941         * doc/invoke.texi (Overall Options): Mention BRIG.
20942         * doc/standards.texi (Standards): Doucment BRIG HSA version.
20943
20944 2017-01-24  Richard Biener  <rguenther@suse.de>
20945
20946         PR translation/79208
20947         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
20948
20949 2017-01-24  Martin Jambor  <mjambor@suse.cz>
20950
20951         PR bootstrap/79198
20952         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
20953         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
20954         and known_contexts.
20955
20956 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
20957
20958         PR middle-end/79123
20959         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
20960         casts from signed to unsigned really don't have a range.
20961
20962 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
20963
20964         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
20965         GMP_RNDx for compatiblity.
20966
20967 2017-01-24  Martin Liska  <mliska@suse.cz>
20968
20969         PR bootstrap/79132
20970         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
20971         that would prevent us to call alloca with -1 as argument.
20972
20973 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
20974
20975         * dwarf2out.c (output_compilation_unit_header, output_file_names):
20976         Avoid -Wformat-security warning.
20977
20978 2017-01-23  Andrew Pinski  <apinski@cavium.com>
20979
20980         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
20981         cost table.
20982
20983 2017-01-23  Martin Sebor  <msebor@redhat.com>
20984
20985         PR middle-end/78703
20986         * gimple-ssa-sprintf.c (warn_level): New global.
20987         (format_integer): Use it here and throughout the rest of the file.
20988         Use the same switch to compute sign as base.
20989         (maybe_warn): New function.
20990         (format_directive): Factor out warnings into maybe_warn.
20991         Add debugging output.  Use warn_level.
20992         (add_bytes): Use warn_level.
20993         (pass_sprintf_length::compute_format_length): Add debugging output.
20994         (try_substitute_return_value): Same.
20995         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
20996
20997         PR middle-end/78703
20998         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
20999         (struct fmtresult, format_integer, format_floating): Adjust.
21000         (fmtresult::fmtresult): Set max correctly in two argument ctor.
21001         (get_string_length, format_string,format_directive): Same.
21002         (pass_sprintf_length::compute_format_length): Same.
21003         (try_substitute_return_value): Simplify slightly.
21004
21005         PR middle-end/78703
21006         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
21007         (fmtresult::operator+=): Outlined.
21008         (struct fmtresult): Add ctors.
21009         (struct conversion_spec): Rename...
21010         (struct directive): ...to this.  Add and remove data members.
21011         (directive::set_width, directive::set_precision): New functions.
21012         (format_percent): Use fmtresult ctor.
21013         (get_width_and_precision): Remove.
21014         (format_integer): Make naming changes.  Avoid computing width and
21015         precision.
21016         (format_floating): Same.  Adjust indentation.
21017         (format_character, format_none): New functions.
21018         (format_string): Moved character handling to format_character.
21019         (format_directive): Remove arguments, change return type.
21020         (parse_directive): New function.
21021         (pass_sprintf_length::compute_format_length): Move directive
21022         parsing to parse_directive.
21023
21024 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
21025
21026         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
21027         (assign_assembler_name_if_needed): ... this.
21028         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
21029         (assign_assembler_name_if_needed): ... this.
21030         (free_lang_data_in_cgraph): Adjust callers.
21031         * cgraphunit.c (cgraph_node::analyze): Likewise.
21032         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
21033         Likewise.
21034
21035 2017-01-23  Richard Biener  <rguenther@suse.de>
21036
21037         PR tree-optimization/79088
21038         PR tree-optimization/79188
21039         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
21040         resetting loop bounds after last path deletion.  Reset loop
21041         bounds of the target loop, make code match the comments.
21042         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
21043         Make sure loops need no fixups.
21044
21045 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21046
21047         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
21048         exponent support with double type for first argument.
21049         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
21050         type returned by __builtin_vec_extract_sig,
21051         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
21052         functions from "vector int" to "vector unsigned int" or from
21053         "vector long long int" to "vector unsigned long long int".
21054         Changed type returned by __builtin_vec_extract_exp,
21055         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
21056         functions from "vector int" to "vector unsigned int" or from
21057         "vector long long int" to "vector unsigned long long int".
21058         Changed return type of __builtin_vec_test_data_class,
21059         __builtin_vec_test_data_class_sp, and
21060         __builtin_vec_test_data_class_dp from "vector int" to
21061         "vector bool int" or from "vector long long int" to "vector bool
21062         long long int" and changed second argument type from "unsigned
21063         int" to "int".  Added new overloaded function forms "vector float
21064         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
21065         "vector float __builtin_vec_insert_exp_sp (vector float, vector
21066         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
21067         double, vector unsigned long long int)" and "vector double
21068         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
21069         long int)".  Changed return type of
21070         __builtin_scalar_test_data_class and
21071         __builtin_scalar_test_data_class_sp and
21072         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
21073         int" and changed second argument from "unsigned int" to "int".
21074         Changed type returned by __builtin_scalar_test_neg,
21075         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
21076         from "int" to "bool int".  Added new overloaded function form
21077         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
21078         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
21079         exponent double-precision with floating point first argument.
21080         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
21081         documentation of scalar_test_data_class, scalar_test_neg,
21082         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
21083         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
21084         vec_test_data_class built-in functions to reflect refinements in
21085         their type signatures.
21086
21087 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
21088
21089         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
21090         size of buf.
21091         (aarch64_elf_asm_destructor): Likewise.
21092
21093 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
21094
21095         PR rtl-optimization/78634
21096         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
21097         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
21098         * ifcvt.c (noce_try_cmove): Add missing cost check.
21099
21100         PR rtl-optimization/71724
21101         * combine.c (if_then_else_cond): Look for situations where it is
21102         beneficial to undo the work of one of the recursive calls.
21103
21104 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
21105
21106         PR tree-optimization/70754
21107         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
21108         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
21109         combined stmt before it if not NULL.
21110         (combine_chains): Process refs reversely and compute dominance point
21111         for root ref.
21112
21113 2017-01-23  Martin Liska  <mliska@suse.cz>
21114
21115         PR tree-optimization/79196
21116         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
21117         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
21118         instead of memcmp.
21119         (strlen_optimize_stmt): Call the renamed function.
21120
21121 2017-01-23  Michael Matz  <matz@suse.de>
21122
21123         PR tree-optimization/78384
21124         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
21125
21126 2017-01-23  Richard Biener  <rguenther@suse.de>
21127
21128         PR tree-optimization/79186
21129         * tree-vrp.c (register_new_assert_for): Make sure we've seen
21130         both incoming edges before moving an assert.
21131
21132 2017-01-23  Martin Jambor  <mjambor@suse.cz>
21133
21134         * ipa-prop.c (load_from_param_1): Removed.
21135         (load_from_unmodified_param): Bits from load_from_param_1 put back
21136         here.
21137         (load_from_param): Removed.
21138         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
21139         with stmt.  Reverted back to use of load_from_unmodified_param.
21140
21141 2017-01-23  Martin Jambor  <mjambor@suse.cz>
21142
21143         PR ipa/79108
21144         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
21145         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
21146         field a pointer to garbage collected vector, mark lattices and
21147         ipcp_orig_node with GTY((skip)).
21148         (ipa_get_param_count): Adjust to descriptors being a pointer.
21149         (ipa_get_param): Likewise.
21150         (ipa_get_type): Likewise.
21151         (ipa_get_param_move_cost): Likewise.
21152         (ipa_set_param_used): Likewise.
21153         (ipa_get_controlled_uses): Likewise.
21154         (ipa_set_controlled_uses): Likewise.
21155         (ipa_is_param_used): Likewise.
21156         (ipa_node_params_t): Move into garbage collector.  New methods insert
21157         and remove.
21158         (ipa_node_params_sum): Annotate wth GTY(()).
21159         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
21160         garbage collected.
21161         (ipa_load_from_parm_agg): Adjust declaration.
21162         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
21163         * ipa-profile.c (ipa_profile): Likewise.
21164         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
21165         (ipa_populate_param_decls): Make descriptors parameter garbage
21166         collected.
21167         (ipa_dump_param): Adjust to descriptors being a pointer.
21168         (ipa_alloc_node_params): Likewise.
21169         (ipa_initialize_node_params): Likewise.
21170         (load_from_param_1): Make descriptors parameter garbage collected.
21171         (load_from_unmodified_param): Likewise.
21172         (load_from_param): Likewise.
21173         (ipa_load_from_parm_agg): Likewise.
21174         (ipa_node_params::~ipa_node_params): Removed.
21175         (ipa_free_all_node_params): Remove call to delete operator.
21176         (ipa_node_params_t::insert): New.
21177         (ipa_node_params_t::remove): Likewise.
21178         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
21179         copy known_csts and known_contexts vectors.
21180         (ipa_read_node_info): Adjust to descriptors being a pointer.
21181         (ipcp_modif_dom_walker): Make m_descriptors field garbage
21182         collected.
21183         (ipcp_transform_function): Make descriptors variable garbage
21184         collected.
21185
21186 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
21187
21188         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
21189         * config/i386/avx512dqintrin.h: Ditto.
21190         * config/i386/avx512fintrin.h: Ditto.
21191         * config/i386/i386.c: Handle new builtins.
21192         * config/i386/i386-builtin.def: Add new builtins.
21193         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
21194         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
21195
21196 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
21197             Martin Liska  <mliska@suse.cz>
21198
21199         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
21200         * asan.c (asan_expand_poison_ifn): Support stores and use
21201         appropriate ASAN report function.
21202         * internal-fn.c (expand_ASAN_POISON_USE): New function.
21203         * internal-fn.def (ASAN_POISON_USE): Declare.
21204         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
21205         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
21206         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
21207         ASAN_POISON calls w/o LHS.
21208         * tree-ssa.c (execute_update_addresses_taken): Create clobber
21209         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
21210         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
21211         * gimplify.c (asan_poison_variables): Add attribute
21212         use_after_scope_memory to variables that really needs to live
21213         in memory.
21214         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
21215         having the attribute.
21216
21217 2017-01-23  Martin Liska  <mliska@suse.cz>
21218
21219         * asan.c (create_asan_shadow_var): New function.
21220         (asan_expand_poison_ifn): Likewise.
21221         * asan.h (asan_expand_poison_ifn): New declaration.
21222         * internal-fn.c (expand_ASAN_POISON): Likewise.
21223         * internal-fn.def (ASAN_POISON): New builtin.
21224         * sanopt.c (pass_sanopt::execute): Expand
21225         asan_expand_poison_ifn.
21226         * tree-inline.c (copy_decl_for_dup_finish): Make function
21227         external.
21228         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
21229         * tree-ssa.c (is_asan_mark_p): New function.
21230         (execute_update_addresses_taken): Rewrite local variables
21231         (identified just by use-after-scope as addressable) into SSA.
21232
21233 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
21234
21235         * doc/install.texi (Specific): opensource.apple.com uses https
21236         now. Remove trailing slash.
21237
21238 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
21239
21240         * README.Portability: Remove note on an Irix compatibility issue.
21241
21242 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
21243
21244         * gcov.c (INCLUDE_ALGORITHM): Define.
21245         (INCLUDE_VECTOR): Define.
21246         No longer include <vector> and <algorithm> directly.
21247
21248 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
21249
21250         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
21251         to https.
21252         * doc/invoke.texi (Code Gen Options): Ditto.
21253
21254 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
21255
21256         PR lto/78407
21257         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
21258
21259 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
21260
21261         rtl-optimization/79125
21262         * cprop.c (local_cprop_pass): Handle cases where we make an
21263         unconditional trap.
21264
21265 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
21266
21267         PR target/61729
21268         PR target/77850
21269         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
21270         read from, for big endian.
21271
21272 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
21273
21274         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
21275         register pauth builtins for LP64 only.
21276
21277 2017-01-20  Marek Polacek  <polacek@redhat.com>
21278
21279         PR c/79152
21280         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
21281         non-case labels.
21282
21283 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
21284
21285         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
21286         of safelen status.
21287         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
21288         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
21289         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
21290
21291 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21292
21293         PR target/71270
21294         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
21295         in big-endian mode when they are not a single duplicated value.
21296
21297 2017-01-20  Richard Biener  <rguenther@suse.de>
21298
21299         * BASE-VER: Bump to 7.0.1.
21300
21301 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
21302
21303         * omp-low.c (omplow_simd_context): New struct.  Use it...
21304         (lower_rec_simd_input_clauses): ...here and...
21305         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
21306         references to idx, lane, max_vf, is_simt.
21307
21308 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
21309
21310         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
21311         mcpu=nps400.
21312
21313 2017-01-20  Martin Jambor  <mjambor@suse.cz>
21314
21315         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
21316         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
21317         gt-hsa-common.h.
21318         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
21319         (GTFILES): Rename hsa.c to hsa-common.c.
21320         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
21321         * hsa-dump.c: Likewise.
21322         * hsa-gen.c: Likewise.
21323         * hsa-regalloc.c: Likewise.
21324         * ipa-hsa.c: Likewise.
21325         * omp-expand.c: Likewise.
21326         * omp-low.c: Likewise.
21327         * toplev.c: Likewise.
21328
21329 2017-01-20  Marek Polacek  <polacek@redhat.com>
21330
21331         PR c/64279
21332         * doc/invoke.texi: Document -Wduplicated-branches.
21333         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
21334         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
21335         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
21336         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
21337         return 0 only when not OEP_LEXICOGRAPHIC.
21338         (fold_build_cleanup_point_expr): Use the expression
21339         location when building CLEANUP_POINT_EXPR.
21340         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
21341         * tree.c (add_expr): Handle error_mark_node.
21342
21343 2017-01-20  Martin Liska  <mliska@suse.cz>
21344
21345         PR lto/69188
21346         * tree-profile.c (init_ic_make_global_vars): Do not call
21347         finalize_decl.
21348         (gimple_init_gcov_profiler): Likewise.
21349
21350 2017-01-20  Martin Liska  <mliska@suse.cz>
21351
21352         PR ipa/71190
21353         * cgraph.h (maybe_create_reference): Remove argument and
21354         update comment.
21355         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
21356         argument.
21357         * ipa-cp.c (create_specialized_node): Likewise.
21358         * symtab.c (symtab_node::maybe_create_reference): Handle
21359         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
21360
21361 2017-01-20  Martin Liska  <mliska@suse.cz>
21362
21363         * read-rtl-function.c (function_reader::create_function): Use
21364         build_decl instread of build_decl_stat.
21365
21366 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
21367
21368         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
21369         * config/i386/avx512dqintrin.h: Ditto.
21370         * config/i386/avx512fintrin.h: Ditto.
21371         * config/i386/i386-builtin-types.def: Add new types.
21372         * config/i386/i386.c: Handle new types.
21373         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
21374         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
21375         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
21376         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
21377         (__builtin_ia32_kshiftridi): New.
21378         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
21379
21380 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
21381
21382         PR target/78875
21383         PR target/79140
21384         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
21385         define to rs6000_init_stack_protect_guard.
21386         (rs6000_init_stack_protect_guard): New function.
21387
21388 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
21389             Yunqiang Su  <yunqiang.su@imgtec.com>
21390
21391         * config.gcc (supported_defaults): Add madd4.
21392         (with_madd4): Add validation.
21393         (all_defaults): Add madd4.
21394         * config/mips/mips.opt (mmadd4): New option.
21395         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
21396         mmadd4.
21397         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
21398         __mips_no_madd4.
21399         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
21400         (ISA_HAS_FUSED_MADD4): Likewise.
21401         * doc/invoke.texi (-mmadd4): Document the new option.
21402         * doc/install.texi (--with-madd4): Document the new option.
21403
21404 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
21405
21406         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
21407         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
21408         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
21409         (aarch64_init_pauth_hint_builtins): New.
21410         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
21411         (aarch64_expand_builtin): Expand new builtins.
21412
21413 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
21414
21415         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
21416         * combine-stack-adj.c (no_unhandled_cfa): Handle
21417         REG_CFA_TOGGLE_RA_MANGLE.
21418         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
21419         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
21420         info for return address signing.
21421         (aarch64_expand_epilogue): Likewise.
21422
21423 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
21424
21425         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
21426         * config/aarch64/aarch64-protos.h
21427         (aarch64_return_address_signing_enabled): New declaration.
21428         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
21429         New function.
21430         (aarch64_expand_prologue): Sign return address before it's pushed onto
21431         stack.
21432         (aarch64_expand_epilogue): Authenticate return address fetched from
21433         stack.
21434         (aarch64_override_options): Sanity check for ILP32 and ISA level.
21435         (aarch64_attributes): New function attributes for "sign-return-address".
21436         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
21437         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
21438         ("*do_return"): Generate combined instructions according to key index.
21439         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
21440         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
21441         iterators.
21442         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
21443         * config/aarch64/aarch64.opt (msign-return-address=): New.
21444         * doc/extend.texi (AArch64 Function Attributes): Documents
21445         "sign-return-address=".
21446         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
21447
21448 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
21449
21450         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
21451         overall option summary.
21452
21453 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
21454
21455         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
21456         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
21457         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
21458         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
21459
21460 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
21461
21462         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
21463         -mpower9-minmax by default for -mcpu=power9.
21464         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
21465         128-bit floating point.
21466
21467 2017-01-20  Alan Modra  <amodra@gmail.com>
21468
21469         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
21470         optimizing for size.
21471
21472 2017-01-20  Alan Modra  <amodra@gmail.com>
21473
21474         PR target/79144
21475         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
21476         for strcmp and strncmp from corresponding builtin decl.
21477
21478 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
21479
21480         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
21481         instead of i386/rtems-64.h.
21482         * config/i386/rtems-64.h: Remove.
21483
21484 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
21485
21486         PR target/78478
21487         Revert:
21488         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
21489
21490         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
21491
21492 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
21493
21494         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
21495         Change int to HOST_WIDE_INT.
21496         * config/aarch64/aarch64-protos.h
21497         (aarch64_simd_gen_const_vector_dup): Likewise.
21498         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
21499
21500 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
21501
21502         * langhooks-def.h (lhd_type_for_size): New decl.
21503         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
21504         * langhooks.c (lhd_type_for_size): New function, taken from
21505         lto_type_for_size.
21506
21507 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
21508
21509         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
21510         define_bypass for CR latency.
21511         (power9-cracked-alu): Update bypass latency and remove power9-branch.
21512         (power9-alu2): Add define_bypass for CR latency.
21513         (power9-cmp): New.
21514         (power9-mul): Update insn latency.
21515         (power9-mul-compare): Update insn latency, bypass latency and remove
21516         power9-branch.
21517
21518 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21519
21520         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
21521         Delete.
21522         * config/aarch64/aarch64.md
21523         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
21524         aarch64_nopcrelative_literal_loads.
21525         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
21526
21527 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
21528
21529         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
21530         TARGET_LOONGSON_3A.
21531         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
21532
21533 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
21534
21535         PR target/78176
21536         * config.gcc (supported_defaults): Add lxc1-sxc1.
21537         (with_lxc1_sxc1): Add validation.
21538         (all_defaults): Add lxc1-sxc1.
21539         * config/mips/mips.opt (mlxc1-sxc1): New option.
21540         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
21541         mlxc1-sxc1.
21542         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
21543         __mips_no_lxc1_sxc1.
21544         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
21545         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
21546         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
21547
21548 2017-01-19  Richard Biener  <rguenther@suse.de>
21549
21550         PR tree-optimization/72488
21551         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
21552         sure to restore SSA info.
21553         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
21554
21555 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
21556
21557         PR rtl-optimization/79121
21558         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
21559         of the inner type when shifting an extended value.
21560
21561 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
21562
21563         PR lto/78407
21564         * symtab.c (symtab_node::equal_address_to): Fix comparing of
21565         interposable aliases.
21566
21567 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
21568
21569         PR target/78516
21570         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
21571         Use the evmergelohi instruction.
21572         (mov_si<mode>_e500_subreg4_2_le): Likewise.
21573         (mov_sitf_e500_subreg8_2_be): Likewise.
21574         (mov_sitf_e500_subreg12_2_le): Likewise.
21575         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
21576         (mov_si<mode>_e500_subreg4_2_be): Likewise.
21577         (mov_sitf_e500_subreg8_2_le): Likewise.
21578         (mov_sitf_e500_subreg12_2_be): Likewise.
21579
21580 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21581
21582         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
21583         attribute from vecsimple to vecperm.
21584         (altivec_vbpermq2): Likewise.
21585
21586 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21587
21588         PR target/79040
21589         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
21590
21591 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21592         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
21593         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
21594         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
21595         case where N arg is SIZE_MAX.
21596         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
21597         (cmpstrsi): Add pattern.
21598
21599 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
21600
21601         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
21602         __builtin_vec_revb builtins.
21603         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
21604         built-in functions to support generation of the ISA 3.0 XXBR<x>
21605         vector byte reverse instructions.
21606         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
21607         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
21608         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
21609         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
21610         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
21611         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
21612         (P9V_BUILTIN_VEC_REVB): Likewise.
21613         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
21614         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
21615         (p9_xxbrq_v16qi): Likewise.
21616         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
21617         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
21618         (p9_xxbrh_v8hi): Likewise.
21619         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
21620         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
21621         vec_revb built-in functions.
21622
21623 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
21624
21625         PR rtl-optimization/78952
21626         * config/i386/i386.md (any_extract): New code iterator.
21627         (*insvqi_2): Use any_extract for source operand.
21628         (*insvqi_3): Use any_shiftrt for source operand.
21629
21630 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
21631
21632         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
21633         New function.
21634         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
21635
21636 2017-01-18  Matthias Klose  <doko@ubuntu.com>
21637
21638         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
21639
21640 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21641
21642         * config/rs6000/altivec.h (vec_bperm): Change #define.
21643         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
21644         (altivec_vbpermq2): New define_insn.
21645         (altivec_vbpermd): Likewise.
21646         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
21647         function interface.
21648         (VBPERMD): Likewise.
21649         (VBPERM): New polymorphic function interface.
21650         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
21651         Add entries for P9V_BUILTIN_VEC_VBPERM.
21652         * doc/extend.texi: Add interfaces for vec_bperm.
21653
21654 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21655
21656         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
21657         first letter of error messages.
21658         (s390_resolve_overloaded_builtin): Likewise.
21659         * config/s390/s390.c (s390_expand_builtin): Likewise.
21660         (s390_invalid_arg_for_unprototyped_fn): Likewise.
21661         (s390_valid_target_attribute_inner_p): Likewise.
21662         * config/s390/s390.md ("tabort"): Likewise.
21663
21664 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
21665
21666         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
21667         (ISA_AVOID_DIV_HILO): New macro.
21668         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
21669         (ISA_HAS_DDIV): Likewise.
21670
21671 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
21672
21673         * doc/invoke.texi (fabi-version): Correct number of occurrences.
21674
21675 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
21676
21677         * doc/invoke.texi (fabi-version): Spelling fix.
21678
21679 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
21680
21681         PR c++/70182
21682         * doc/invoke.texi (fabi-version): Mention mangling fix for
21683         operator names.
21684
21685 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
21686
21687         PR c++/77489
21688         * doc/invoke.texi (fabi-version): Document discriminator mangling.
21689
21690 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
21691
21692         PR target/78875
21693         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
21694         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
21695         the new options.
21696         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
21697         flexible settings.
21698         (stack_protect_test): Ditto.
21699         * config/rs6000/rs6000.opt (mstack-protector-guard=,
21700         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
21701         options.
21702         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
21703         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
21704         -mstack-protector-guard-offset=.
21705         (RS/6000 and PowerPC Options): Ditto.
21706
21707 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
21708
21709         * config/i386/i386.h (MASK_CLASS_P): New define.
21710         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
21711         there are no registers from different register sets also when
21712         mask registers are used.  Update function comment.
21713         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
21714         to (*k/*r) and (*k/*km) alternatives.
21715
21716 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
21717
21718         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
21719         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
21720         (EH_RETURN_HANDLER_RTX): New define.
21721         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
21722         Force frame pointer in EH return functions.
21723         (aarch64_expand_epilogue): Add barrier for eh_return.
21724         (aarch64_final_eh_return_addr): Remove.
21725         (aarch64_eh_return_handler_rtx): New function.
21726         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
21727         Remove.
21728         (aarch64_eh_return_handler_rtx): New prototype.
21729
21730 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21731
21732         * config/rs6000/altivec.h (vec_rlmi): New #define.
21733         (vec_vrlnm): Likewise.
21734         (vec_rlnm): Likewise.
21735         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
21736         (UNSPEC_VRLNM): Likewise.
21737         (VIlong): New mode iterator.
21738         (altivec_vrl<VI_char>mi): New define_insn.
21739         (altivec_vrl<VI_char>nm): Likewise.
21740         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
21741         function entry.
21742         (VRLDNM): Likewise.
21743         (RLNM): New polymorphic function entry.
21744         (VRLWMI): New monomorphic function entry.
21745         (VRLDMI): Likewise.
21746         (RLMI): New polymorphic function entry.
21747         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
21748         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
21749         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
21750         vec_vrlnm.
21751
21752 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
21753
21754         PR debug/78839
21755         * dwarf2out.c (field_byte_offset): Restore the
21756         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
21757         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
21758         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
21759         of build2 + fold.
21760
21761 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
21762
21763         PR ada/67205
21764         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
21765
21766 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
21767
21768         PR debug/71669
21769         * dwarf2out.c (add_data_member_location_attribute): For constant
21770         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
21771         instead of DW_AT_data_member_location, DW_AT_bit_offset and
21772         DW_AT_byte_size attributes.
21773
21774 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
21775
21776         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
21777         after forcing to constant memory when the code model is medium.
21778
21779 2017-01-17  Julia Koval  <julia.koval@intel.com>
21780
21781         PR target/76731
21782         * config/i386/avx512fintrin.h
21783         (_mm512_i32gather_ps): Change __addr type to void const*.
21784         (_mm512_mask_i32gather_ps): Ditto.
21785         (_mm512_i32gather_pd): Ditto.
21786         (_mm512_mask_i32gather_pd): Ditto.
21787         (_mm512_i64gather_ps): Ditto.
21788         (_mm512_mask_i64gather_ps): Ditto.
21789         (_mm512_i64gather_pd): Ditto.
21790         (_mm512_mask_i64gather_pd): Ditto.
21791         (_mm512_i32gather_epi32): Ditto.
21792         (_mm512_mask_i32gather_epi32): Ditto.
21793         (_mm512_i32gather_epi64): Ditto.
21794         (_mm512_mask_i32gather_epi64): Ditto.
21795         (_mm512_i64gather_epi32): Ditto.
21796         (_mm512_mask_i64gather_epi32): Ditto.
21797         (_mm512_i64gather_epi64): Ditto.
21798         (_mm512_mask_i64gather_epi64): Ditto.
21799         (_mm512_i32scatter_ps): Change __addr type to void*.
21800         (_mm512_mask_i32scatter_ps): Ditto.
21801         (_mm512_i32scatter_pd): Ditto.
21802         (_mm512_mask_i32scatter_pd): Ditto.
21803         (_mm512_i64scatter_ps): Ditto.
21804         (_mm512_mask_i64scatter_ps): Ditto.
21805         (_mm512_i64scatter_pd): Ditto.
21806         (_mm512_mask_i64scatter_pd): Ditto.
21807         (_mm512_i32scatter_epi32): Ditto.
21808         (_mm512_mask_i32scatter_epi32): Ditto.
21809         (_mm512_i32scatter_epi64): Ditto.
21810         (_mm512_mask_i32scatter_epi64): Ditto.
21811         (_mm512_i64scatter_epi32): Ditto.
21812         (_mm512_mask_i64scatter_epi32): Ditto.
21813         (_mm512_i64scatter_epi64): Ditto.
21814         (_mm512_mask_i64scatter_epi64): Ditto.
21815         * config/i386/avx512pfintrin.h
21816         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
21817         (_mm512_mask_prefetch_i32gather_ps): Ditto.
21818         (_mm512_mask_prefetch_i64gather_pd): Ditto.
21819         (_mm512_mask_prefetch_i64gather_ps): Ditto.
21820         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
21821         (_mm512_prefetch_i32scatter_ps): Ditto.
21822         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
21823         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
21824         (_mm512_prefetch_i64scatter_pd): Ditto.
21825         (_mm512_prefetch_i64scatter_ps): Ditto.
21826         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
21827         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
21828         * config/i386/avx512vlintrin.h
21829         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
21830         (_mm_mmask_i32gather_ps): Ditto.
21831         (_mm256_mmask_i32gather_pd): Ditto.
21832         (_mm_mmask_i32gather_pd): Ditto.
21833         (_mm256_mmask_i64gather_ps): Ditto.
21834         (_mm_mmask_i64gather_ps): Ditto.
21835         (_mm256_mmask_i64gather_pd): Ditto.
21836         (_mm_mmask_i64gather_pd): Ditto.
21837         (_mm256_mmask_i32gather_epi32): Ditto.
21838         (_mm_mmask_i32gather_epi32): Ditto.
21839         (_mm256_mmask_i32gather_epi64): Ditto.
21840         (_mm_mmask_i32gather_epi64): Ditto.
21841         (_mm256_mmask_i64gather_epi32): Ditto.
21842         (_mm_mmask_i64gather_epi32): Ditto.
21843         (_mm256_mmask_i64gather_epi64): Ditto.
21844         (_mm_mmask_i64gather_epi64): Ditto.
21845         (_mm256_i32scatter_ps): Change __addr type to void*.
21846         (_mm256_mask_i32scatter_ps): Ditto.
21847         (_mm_i32scatter_ps): Ditto.
21848         (_mm_mask_i32scatter_ps): Ditto.
21849         (_mm256_i32scatter_pd): Ditto.
21850         (_mm256_mask_i32scatter_pd): Ditto.
21851         (_mm_i32scatter_pd): Ditto.
21852         (_mm_mask_i32scatter_pd): Ditto.
21853         (_mm256_i64scatter_ps): Ditto.
21854         (_mm256_mask_i64scatter_ps): Ditto.
21855         (_mm_i64scatter_ps): Ditto.
21856         (_mm_mask_i64scatter_ps): Ditto.
21857         (_mm256_i64scatter_pd): Ditto.
21858         (_mm256_mask_i64scatter_pd): Ditto.
21859         (_mm_i64scatter_pd): Ditto.
21860         (_mm_mask_i64scatter_pd): Ditto.
21861         (_mm256_i32scatter_epi32): Ditto.
21862         (_mm256_mask_i32scatter_epi32): Ditto.
21863         (_mm_i32scatter_epi32): Ditto.
21864         (_mm_mask_i32scatter_epi32): Ditto.
21865         (_mm256_i32scatter_epi64): Ditto.
21866         (_mm256_mask_i32scatter_epi64): Ditto.
21867         (_mm_i32scatter_epi64): Ditto.
21868         (_mm_mask_i32scatter_epi64): Ditto.
21869         (_mm256_i64scatter_epi32): Ditto.
21870         (_mm256_mask_i64scatter_epi32): Ditto.
21871         (_mm_i64scatter_epi32): Ditto.
21872         (_mm_mask_i64scatter_epi32): Ditto.
21873         (_mm256_i64scatter_epi64): Ditto.
21874         (_mm256_mask_i64scatter_epi64): Ditto.
21875         (_mm_i64scatter_epi64): Ditto.
21876         (_mm_mask_i64scatter_epi64): Ditto.
21877         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
21878         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
21879         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
21880         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
21881         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
21882         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
21883         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
21884         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
21885         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
21886         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
21887         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
21888         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
21889         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
21890         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
21891         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
21892         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
21893         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
21894         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
21895         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
21896         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
21897         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
21898         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
21899         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
21900         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
21901         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
21902         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
21903         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
21904         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
21905         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
21906         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
21907         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
21908         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
21909         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
21910         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
21911         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
21912         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
21913         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
21914         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
21915         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
21916         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
21917         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
21918         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
21919         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
21920         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
21921         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
21922         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
21923         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
21924         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
21925         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
21926         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
21927         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
21928         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
21929         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
21930         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
21931         definitions accordingly.
21932
21933 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
21934             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
21935
21936         PR target/79079
21937         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
21938         gen_lowpart.
21939
21940 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
21941
21942         PR target/79058
21943         * ira-conflicts.c (ira_build_conflicts): Update total conflict
21944         hard regs for inner regno.
21945
21946 2017-01-17  Martin Liska  <mliska@suse.cz>
21947
21948         PR ipa/71207
21949         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
21950         assumption and add comment.
21951
21952 2017-01-17  Nathan Sidwell  <nathan@acm.org>
21953
21954         * ipa-visibility.c (localize_node): New function, broken out of ...
21955         (function_and_variable_visibility): ... here. Call it.
21956
21957 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
21958
21959         PR middle-end/77445
21960         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
21961         correctly set frequency of oudgoing edge.
21962         (duplicate_thread_path): Fix profile updating.
21963
21964 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
21965
21966         PR other/79046
21967         * configure.ac: Add GCC_BASE_VER.
21968         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
21969         version from BASE-VER file.
21970         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
21971         (gcc.o): Depend on $(BASEVER).
21972         * common.opt (dumpfullversion): New option.
21973         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
21974         * doc/invoke.texi: Document -dumpfullversion.
21975         * doc/install.texi: Document --with-gcc-major-version-only.
21976         * configure: Regenerated.
21977
21978 2017-01-17  Richard Biener  <rguenther@suse.de>
21979
21980         PR tree-optimization/71433
21981         * tree-vrp.c (register_new_assert_for): Merge same asserts
21982         on all incoming edges.
21983         (process_assert_insertions_for): Handle insertions at the
21984         beginning of BBs.
21985
21986 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
21987
21988         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
21989         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
21990
21991 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
21992
21993         PR target/78633
21994         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
21995         RTL sharing.
21996
21997 2017-01-17  Alan Modra  <amodra@gmail.com>
21998
21999         PR target/79066
22000         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
22001         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
22002         symbolic stack limit when pic.
22003
22004 2017-01-16  Martin Sebor  <msebor@redhat.com>
22005
22006         PR tree-optimization/78608
22007         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
22008
22009 2017-01-16  Jeff Law  <law@redhat.com>
22010
22011         Revert:
22012         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
22013         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
22014         for several include directories that may be relative to sysroot.
22015         * config/i386/x-mingw32 (gplus_includedir): Define.
22016         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
22017         (native_system_includedir): Likewise.
22018         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
22019         override if TARGET_SYSTEM_ROOT is defined.
22020         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
22021
22022         PR tree-optimization/79090
22023         PR tree-optimization/33562
22024         PR tree-optimization/61912
22025         PR tree-optimization/77485
22026         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
22027         and computed trims into the dump file.
22028
22029 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
22030
22031         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
22032
22033 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
22034
22035         PR c/79089
22036         * gimplify.c (gimplify_init_constructor): If want_value and
22037         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
22038         fix.
22039
22040         PR target/79080
22041         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
22042         sequence.  Formatting fixes.
22043         (doloop_optimize): Formatting fixes.
22044
22045         PR driver/49726
22046         * gcc.c (debug_level_greater_than_spec_func): New function.
22047         (static_spec_functions): Add debug-level-gt spec function.
22048         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
22049         !g0.
22050         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
22051         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
22052         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
22053         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
22054         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
22055         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
22056
22057 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
22058
22059         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
22060         QImode fixups to general and mask registers only.
22061
22062 2017-01-16  Carl Love  <cel@us.ibm.com>
22063
22064         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
22065         for built-in functions
22066         vector signed char vec_nabs (vector signed char)
22067         vector signed short vec_nabs (vector signed short)
22068         vector signed int vec_nabs (vector signed int)
22069         vector signed long long vec_nabs (vector signed long long)
22070         vector float vec_nabs (vector float)
22071         vector double vec_nabs (vector double)
22072         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
22073         and NABS overload.
22074         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
22075         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
22076         * doc/extend.texi: Update the documentation file for the new built-in
22077         functions.
22078
22079 2017-01-16  Martin Sebor  <msebor@redhat.com>
22080
22081         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
22082         message.
22083
22084 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22085
22086         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
22087         UNSPEC_VSX__XXSPLTD to require special splat handling.
22088
22089 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
22090
22091         PR bootstrap/78616
22092         * system.h: Poison strndup.
22093
22094 2017-01-16  Alan Modra  <amodra@gmail.com>
22095
22096         PR target/79098
22097         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
22098         use a switch.
22099
22100 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
22101
22102         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
22103
22104 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
22105
22106         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
22107         call recog here.  Assert that INSN_CODE (insn) is non-negative.
22108
22109 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
22110
22111         PR target/72749
22112         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
22113         fallthrough.
22114         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
22115         in the currently scheduled RTL fragment.
22116
22117 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
22118
22119         PR rtl-optimization/78751
22120         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
22121         give up.
22122
22123 2017-01-14  Jeff Law  <law@redhat.com>
22124
22125         PR tree-optimization/79090
22126         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
22127         variable length stores.
22128         (compute_trims): Delete dead assignment to *trim_tail.
22129         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
22130         zero length.
22131
22132 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
22133
22134         PR rtl-optimization/78626
22135         PR rtl-optimization/78727
22136         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
22137         of a block, and split such blocks after everything else is finished.
22138
22139 2017-01-14  Alan Modra  <amodra@gmail.com>
22140
22141         PR target/72749
22142         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
22143         target legitimate_combined_insn.
22144         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
22145         (rs6000_legitimate_combined_insn): New function.
22146         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
22147         all uses.
22148         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
22149         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
22150         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
22151
22152 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
22153
22154         * doc/frontends.texi (G++ and GCC): Remove references to Java.
22155
22156 2017-01-13  Jeff Law  <law@redhat.com>
22157
22158         PR tree-optimization/33562
22159         PR tree-optimization/61912
22160         PR tree-optimization/77485
22161         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
22162         a statement.
22163         (delete_dead_assignment): Likewise.
22164         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
22165         statement to delete_dead_call and delete_dead_assignment.
22166
22167 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
22168
22169         PR c/78304
22170         * substring-locations.c (format_warning_va): Strengthen case 1 so
22171         that both endpoints of the substring must be within the format
22172         range for just the substring to be printed.
22173
22174 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
22175
22176         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
22177         * config/i386/i386.c (ix86_target_string): Add missing options
22178         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
22179         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
22180         flags_other and ix86_target_other to flags2_other.  Display unknown
22181         isa2 options.
22182         (ix86_valid_target_attribute_inner_p): Add missing options and
22183         reorder options by implied ISAs, as in ix86_target_string.
22184
22185 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
22186
22187         * hash-table.h (hash_table::too_empty_p): New function.
22188         (hash_table::expand): Use it.
22189         (hash_table::traverse): Likewise.
22190         (hash_table::empty_slot): Use sizeof (value_type) instead of
22191         sizeof (PTR) to convert bytes to elements.  Shrink the table
22192         if the current size is excessive for the current number of
22193         elements.
22194
22195 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
22196
22197         * ira-costs.c (record_reg_classes): Break from the inner loop
22198         early once alt_fail is known to be true.  Update outer loop
22199         handling accordingly.
22200
22201 2017-01-13  Jeff Law  <law@redhat.com>
22202
22203         * tree-ssa-dse.c (decrement_count): New function.
22204         (increment_start_addr, maybe_trim_memstar_call): Likewise.
22205         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
22206         when we know the partially dead statement is a mem* function.
22207
22208         PR tree-optimization/61912
22209         PR tree-optimization/77485
22210         * tree-ssa-dse.c: Include expr.h.
22211         (maybe_trim_constructor_store): New function.
22212         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
22213
22214         PR tree-optimization/33562
22215         PR tree-optimization/61912
22216         PR tree-optimization/77485
22217         * doc/invoke.texi: Document new dse-max-object-size param.
22218         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
22219         * tree-ssa-dse.c: Include params.h.
22220         (dse_store_status): New enum.
22221         (initialize_ao_ref_for_dse): New, partially extracted from
22222         dse_optimize_stmt.
22223         (valid_ao_ref_for_dse, normalize_ref): New.
22224         (setup_live_bytes_from_ref, compute_trims): Likewise.
22225         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
22226         (maybe_trim_partially_dead_store): Likewise.
22227         (maybe_trim_complex_store): Likewise.
22228         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
22229         Track what bytes live from the original store.  Return tri-state
22230         for dead, partially dead or live.
22231         (dse_dom_walker): Add constructor, destructor and new private members.
22232         (delete_dead_call, delete_dead_assignment): New extracted from
22233         dse_optimize_stmt.
22234         (dse_optimize_stmt): Make a member of dse_dom_walker.
22235         Use initialize_ao_ref_for_dse.
22236
22237         PR tree-optimization/33562
22238         PR tree-optimization/61912
22239         PR tree-optimization/77485
22240         * sbitmap.h (bitmap_count_bits): Prototype.
22241         (bitmap_clear_range, bitmap_set_range): Likewise.
22242         * sbitmap.c (bitmap_clear_range): New function.
22243         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
22244
22245 2017-01-13  Martin Liska  <mliska@suse.cz>
22246
22247         PR ipa/79043
22248         * function.c (set_cfun): Add new argument force.
22249         * function.h (set_cfun): Likewise.
22250         * ipa-inline-transform.c (inline_call): Use the function when
22251         strict alising from is dropped for function we inline to.
22252
22253 2017-01-13  Richard Biener  <rguenther@suse.de>
22254
22255         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
22256         for dumping GIMPLE INTEGER_CSTs.
22257
22258 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22259
22260         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
22261         to 201112L since C++17.
22262
22263 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
22264
22265         PR sanitizer/78887
22266         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
22267         if -fsanitize=kernel-address is present.
22268
22269 2017-01-13  Richard Biener  <rguenther@suse.de>
22270
22271         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
22272         as _Literal ( type ) number in case usual suffixes do not
22273         preserve all information.
22274
22275 2017-01-13  Richard Biener  <rguenther@suse.de>
22276
22277         PR tree-optimization/77283
22278         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
22279         and ssa-iterators.h.
22280         (is_feasible_trace): Implement a cost model based on joiner
22281         PHI node uses.
22282
22283 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
22284
22285         PR target/79004
22286         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
22287         char or short to __float128/_Float128 directly.
22288
22289 2017-01-12  Martin Sebor  <msebor@redhat.com>
22290
22291         to -Wformat-overflow.
22292         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
22293         (min_bytes_remaining): Same.
22294         (get_string_length): Same.
22295         (format_string): Same.
22296         (format_directive): Same.
22297         (add_bytes): Same.
22298         (pass_sprintf_length::handle_gimple_call): Same.
22299
22300 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
22301
22302         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
22303         info.nowrite calls with no lhs that can't throw.  Return bool
22304         whether gsi_remove has been called or not.
22305         (pass_sprintf_length::handle_gimple_call): Return bool whether
22306         try_substitute_return_value called gsi_remove.  Formatting fix.
22307         (pass_sprintf_length::execute): Don't use gsi_remove if
22308         handle_gimple_call returned true.
22309
22310         PR bootstrap/79069
22311         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
22312         be removed due to side-effects, don't remove following barrier nor
22313         turn the successor edge into fallthru edge.
22314
22315 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22316
22317         PR target/79044
22318         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
22319         element-reversing loads and stores as not swappable.
22320
22321 2017-01-12  Nathan Sidwell  <nathan@acm.org>
22322             Nicolai Stange  <nicstange@gmail.com>
22323
22324         * combine.c (try_combine): Don't ignore result of overlap checking
22325         loop.  Combine overlap & asm check into single loop.
22326
22327 2017-01-12  Richard Biener  <rguenther@suse.de>
22328
22329         * tree-pretty-print.c (dump_generic_node): Provide -gimple
22330         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
22331
22332 2017-01-12  Richard Biener  <rguenther@suse.de>
22333
22334         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
22335         and TS_TARGET_OPTION directly derive from TS_BASE.
22336         * tree-core.h (tree_optimization_option): Derive from tree_base.
22337         (tree_target_option): Likewise.
22338
22339 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
22340
22341         * config/i386/i386.c (memory_address_length): Increase len
22342         only when rip_relative_addr_p returns false.
22343
22344 2017-01-11  Julia Koval  <julia.koval@intel.com>
22345
22346         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
22347         (OPTION_MASK_ISA_SGX_SET): New.
22348         (ix86_handle_option): Handle OPT_msgx.
22349         * config.gcc: Added sgxintrin.h.
22350         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
22351         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
22352         * config/i386/i386.c (ix86_target_string): Add -msgx.
22353         (PTA_SGX): New.
22354         (ix86_option_override_internal): Handle new options.
22355         (ix86_valid_target_attribute_inner_p): Add sgx.
22356         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
22357         * config/i386/i386.opt: Add msgx.
22358         * config/i386/sgxintrin.h: New file.
22359         * config/i386/x86intrin.h: Add sgxintrin.h.
22360
22361 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
22362
22363         PR c++/71537
22364         * fold-const.c (maybe_nonzero_address): Return 1 for function
22365         local objects.
22366         (tree_single_nonzero_warnv_p): Don't handle function local objects
22367         here.
22368
22369         PR c++/72813
22370         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
22371         of c-header.
22372
22373 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
22374
22375         PR driver/78877
22376         * opts.c: Include "spellcheck.h"
22377         (struct string_fragment): New struct.
22378         (struct edit_distance_traits<const string_fragment &>): New
22379         struct.
22380         (get_closest_sanitizer_option): New function.
22381         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
22382
22383 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
22384
22385         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
22386         by 12.
22387         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
22388         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
22389         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
22390         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
22391         for initial die_offset if dwarf_split_debug_info.
22392         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
22393         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
22394         fields.
22395         (output_skeleton_debug_sections): Formatting fix.  Use
22396         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
22397         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
22398
22399 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
22400
22401         * config/arm/cortex-a53.md: Add bypasses for
22402         cortex_a53_r2f_cvt.
22403         (cortex_a53_r2f): Only use for transfers.
22404         (cortex_a53_f2r): Likewise.
22405         (cortex_a53_r2f_cvt): Add reservation for conversions.
22406         (cortex_a53_f2r_cvt): Likewise.
22407
22408 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
22409
22410         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
22411         to all inlined functions, change static to extern.
22412
22413 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
22414
22415         PR target/78253
22416         * config/arm/arm.c (legitimize_pic_address): Handle reference to
22417         weak symbol.
22418         (arm_assemble_integer): Likewise.
22419
22420 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
22421
22422         * config.gcc: Use new awk script to check CPU, FPU and architecture
22423         parameters for --with-... options.
22424         * config/arm/parsecpu.awk: New file
22425         * config/arm/arm-cpus.in: New file.
22426         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
22427         files.
22428         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
22429         files.
22430         * config/arm/t-arm: Update dependency rules.
22431         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
22432         of processing .def files.
22433         * config/arm/genopt.sh: Deleted.
22434         * config/arm/gentune.sh: Deleted.
22435         * config/arm/arm-cores.def: Deleted.
22436         * config/arm/arm-arches.def: Deleted.
22437         * config/arm/arm-fpus.def: Deleted.
22438         * config/arm/arm-tune.md: Regenerated.
22439         * config/arm/arm-tables.opt: Regenerated.
22440         * config/arm/arm-cpu.h: New generated file.
22441         * config/arm/arm-cpu-data.h: New generated file.
22442         * config/arm/arm-cpu-cdata.h: New generated file.
22443
22444 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
22445
22446         PR lto/79042
22447         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
22448         bit.
22449         (input_varpool_node): Unpack dynamically_initialized bit.
22450
22451 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
22452
22453         PR rtl-optimization/79032
22454         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
22455         the alignment of the adjusted memory reference against that of MODE,
22456         instead of the alignment of the original memory reference.
22457
22458 2017-01-11  Martin Jambor  <mjambor@suse.cz>
22459
22460         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
22461         test.
22462         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
22463         decorated functions.
22464
22465 2017-01-11  Richard Biener  <rguenther@suse.de>
22466
22467         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
22468         set range/nonnull info for PHI results.  Do not set it on
22469         stmts marked for removal.
22470
22471 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
22472
22473         * expr.c (store_field): In the bitfield case, fetch the return value
22474         from the registers before applying a single big-endian adjustment.
22475         Always do a final load for a BLKmode value not larger than a word.
22476
22477 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
22478
22479         PR c++/77949
22480         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
22481         that we correctly handle column numbers greater than
22482         LINE_MAP_MAX_COLUMN_NUMBER.
22483
22484 2017-01-10  Martin Sebor  <msebor@redhat.com>
22485
22486         PR middle-end/78245
22487         * gimple-ssa-sprintf.c (get_destination_size): Call
22488         {init,fini}object_sizes.
22489         * tree-object-size.c (addr_object_size): Adjust.
22490         (pass_through_call): Adjust.
22491         (pass_object_sizes::execute): Adjust.
22492         * tree-object-size.h (fini_object_sizes): Declare.
22493
22494 2017-01-10  Martin Sebor  <msebor@redhat.com>
22495
22496         PR tree-optimization/78775
22497         * builtins.c (get_size_range): Move...
22498         * calls.c: ...to here.
22499         (alloc_max_size): Accept zero argument.
22500         (operand_signed_p): Remove.
22501         (maybe_warn_alloc_args_overflow): Call get_size_range.
22502         * calls.h (get_size_range): Declare.
22503
22504 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
22505
22506         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
22507         from TI's devices.csv file as of September 2016.
22508         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
22509
22510 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
22511
22512         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
22513         * doc/invoke.texi: Likewise.
22514         * doc/md.texi: Likewise.
22515         * doc/objc.texi: Likewise.
22516
22517 2017-01-10  Joshua Conner  <joshconner@google.com>
22518
22519         * config/arm/fuchsia-elf.h: New file.
22520         * config/fuchsia.h: New file.
22521         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
22522         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
22523         targets.
22524         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
22525
22526 2016-01-10  Richard Biener  <rguenther@suse.de>
22527
22528         PR tree-optimization/79034
22529         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
22530         Propagate out degenerate PHIs in the joiner.
22531
22532 2017-01-10  Martin Liska  <mliska@suse.cz>
22533
22534         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
22535         (sort_congruence_classes_by_decl_uid): Likewise.
22536         (sort_congruence_class_groups_by_decl_uid): Likewise.
22537         (sem_item_optimizer::merge_classes): Sort class, groups in these
22538         classes and members in the groups by DECL_UID of declarations.
22539         This would make merge operations stable.
22540
22541 2017-01-10  Martin Liska  <mliska@suse.cz>
22542
22543         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
22544         usage of m_classes_vec.
22545         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
22546         (sem_item_optimizer::get_group_by_hash): Likewise.
22547         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
22548         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
22549         (sem_item_optimizer::verify_classes): Likewise.
22550         (sem_item_optimizer::process_cong_reduction): Likewise.
22551         (sem_item_optimizer::dump_cong_classes): Likewise.
22552         (sem_item_optimizer::merge_classes): Likewise.
22553         * ipa-icf.h (congruence_class_hash): Rename from
22554         congruence_class_group_hash.  Remove declaration of m_classes_vec.
22555
22556 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
22557
22558         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
22559         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
22560         * config.gcc: Add avx512vpopcntdqintrin.h.
22561         * config/i386/avx512vpopcntdqintrin.h: New.
22562         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
22563         * config/i386/i386-builtin-types.def: Add new types.
22564         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
22565         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
22566         __builtin_ia32_vpopcountq_v8di_mask): New.
22567         * config/i386/i386-c.c (ix86_target_macros_internal): Define
22568         __AVX512VPOPCNTDQ__.
22569         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
22570         (PTA_AVX512VPOPCNTDQ): Define.
22571         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
22572         TARGET_AVX512VPOPCNTDQ_P): Define.
22573         * config/i386/i386.opt: Add mavx512vpopcntdq.
22574         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
22575         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
22576
22577 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
22578
22579         PR middle-end/77484
22580         * predict.def (PRED_CALL): Set to 67.
22581
22582 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
22583
22584         * expr.c (store_field): In the bitfield case, if the value comes from
22585         a function call and is of an aggregate type returned in registers, do
22586         not modify the field mode; extract the value in all cases if the mode
22587         is BLKmode and the size is not larger than a word.
22588
22589 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
22590
22591         PR target/71017
22592         * config/i386/cpuid.h: Fix undefined behavior.
22593
22594 2017-01-04  Jeff Law  <law@redhat.com>
22595
22596         PR tree-optimization/79007
22597         PR tree-optimization/67955
22598         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
22599         conservative for pt.null when flag_non_call_exceptions is on.
22600
22601 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
22602
22603         PR translation/79019
22604         PR translation/79020
22605         * params.def (PARAM_INLINE_MIN_SPEEDUP,
22606         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
22607         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
22608         in descriptions.
22609         * config/avr/avr.opt (maccumulate-args): Likewise.
22610         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
22611         * common.opt (freport-bug): Likewise.
22612         * cif-code.def (CIF_FINAL_ERROR): Likewise.
22613         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
22614         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
22615         translatable string.
22616         * config/i386/i386.c (function_value_32): Likewise.
22617         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
22618         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
22619         Likewise.
22620         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
22621         * common/config/msp430/msp430-common.c (msp430_handle_option):
22622         Likewise.
22623         * symtab.c (symtab_node::verify_base): Likewise.
22624         * opts.c (set_debug_level): Likewise.
22625         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
22626         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
22627         missing whitespace to translatable strings.
22628         * config/avr/avr.md (bswapsi2): Fix typo in comment.
22629         * config/sh/superh.h: Likewise.
22630         * config/i386/xopintrin.h: Likewise.
22631         * config/i386/znver1.md: Likewise.
22632         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
22633         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
22634         * double-int.h (struct double_int): Likewise.
22635         * double-int.c (div_and_round_double): Likewise.
22636         * wide-int.cc: Likewise.
22637         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
22638         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
22639         * cfgcleanup.c (crossjumps_occured): Renamed to ...
22640         (crossjumps_occurred): ... this.
22641         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
22642         Adjust all uses.
22643
22644         PR tree-optimization/78899
22645         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
22646         returning bool return struct loop *, NULL for failure and the new
22647         loop on success.
22648         (versionable_outer_loop_p): Don't version outer loop if it has
22649         dont_vectorized bit set.
22650         (tree_if_conversion): When versioning outer loop, ensure
22651         tree_if_conversion is performed also on the inner loop of the
22652         non-vectorizable outer loop copy.
22653         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
22654         LOOP_VECTORIZED in inner loop of the scalar outer loop and
22655         prevent vectorization of it.
22656         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
22657         the outer loop vectorization of the non-scalar version is attempted
22658         before vectorization of the inner loop in scalar version.  If
22659         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
22660         vectorization of its inner loop.
22661         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
22662         has 2 inner loops, rename also on edges from bb whose single pred
22663         is outer_loop->header.  Fix typo in function comment.
22664
22665 2017-01-09  Martin Sebor  <msebor@redhat.com>
22666
22667         PR bootstrap/79033
22668         * asan.c (asan_emit_stack_protection): Increase local buffer size
22669         to avoid snprintf truncation warning.
22670
22671 2017-01-09  Andrew Pinski  <apinski@cavium.com>
22672
22673         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
22674         to reference thunderx2t99 for the tuning structure
22675         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
22676         Rename to ...
22677         (thunderx2t99_extra_costs): This.
22678         * config/aarch64/aarch64-tune.md: Regenerate.
22679         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
22680         (vulcan_addrcost_table): This.
22681         (vulcan_regmove_cost): Rename to ...
22682         (thunderx2t99_regmove_cost): This.
22683         (vulcan_vector_cost): Rename to ...
22684         (thunderx2t99_vector_cost): this.
22685         (vulcan_branch_cost): Rename to ...
22686         (thunderx2t99_branch_cost): This.
22687         (vulcan_tunings): Rename to ...
22688         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
22689         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
22690
22691 2017-01-09  Martin Jambor  <mjambor@suse.cz>
22692
22693         PR ipa/78365
22694         PR ipa/78599
22695         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
22696         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
22697         (propagate_vr_accross_jump_function): Use the above function for all
22698         value range computations for pass-through jump functions and type
22699         converasion from explicit value range values.
22700         (ipcp_propagate_stage): Do not attempt to deduce types of formal
22701         parameters from TYPE_ARG_TYPES.
22702         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
22703         (ipa_write_node_info): Stream type of the actual argument.
22704         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
22705
22706 2017-01-09  Martin Liska  <mliska@suse.cz>
22707
22708         PR pch/78970
22709         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
22710         (lookup_compiler): Do not show error message with have_E.
22711
22712 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
22713
22714         PR tree-optimization/78938
22715         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
22716         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
22717         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
22718         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
22719         fixes.
22720
22721 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22722
22723         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
22724         is const0_rtx.
22725
22726 2017-01-09  Richard Biener  <rguenther@suse.de>
22727
22728         PR tree-optimization/78997
22729         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
22730         name condition properly.
22731
22732 2017-01-09  Richard Biener  <rguenther@suse.de>
22733
22734         PR debug/79000
22735         * dwarf2out.c (is_cxx): New overload with context.
22736         (is_naming_typedef_decl): Use it.
22737
22738 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
22739
22740         * invoke.texi (Option Summary): Correct spacing in option lists
22741         and add line breaks to fix over-long lines.
22742
22743 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
22744
22745         PR middle-end/17660
22746
22747         * extend.texi (Common Variable Attributes): Add xref to GCC
22748         Internals manual to explain mode attribute keywords.
22749
22750 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
22751
22752         PR other/16519
22753         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
22754         and Preprocessor Options.
22755         (Options for Linking): Document -pthread here....
22756         (RS/6000 and PowerPC Options): ...not here.
22757         (Solaris 2 Options): ...or here.
22758         * doc/cppopts.texi: Document -pthread.
22759
22760 2017-01-08  Martin Sebor  <msebor@redhat.com>
22761
22762         PR middle-end/77708
22763         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
22764         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
22765         New member functions.
22766         (format_directive): Used them.
22767         (add_bytes): Same.
22768         (pass_sprintf_length::handle_gimple_call): Same.
22769         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
22770         to avoid truncation for any argument.
22771         (extract_affine_mul): Same.
22772         * tree.c (get_file_function_name): Same.
22773
22774 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
22775
22776         PR middle-end/77484
22777         * predict.def (PRED_INDIR_CALL): Set to 86.
22778
22779 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
22780
22781         PR preprocessor/54124
22782         * doc/cppopts.texi: Reformat -d subtable to list the full name
22783         of the options.  Add cross-reference to the docs for the general
22784         compiler -d options.
22785         * doc/invoke.texi (Developer Options): Add cross-reference to the
22786         preprocessor-specific -d option documentation.
22787
22788 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
22789
22790         PR preprocessor/13498
22791         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
22792         redudant material, and reflect new command-line options.
22793         (System Headers): Likewise.
22794
22795 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
22796
22797         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
22798         -isystem, and -idirafter.  Copy-edit.
22799         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
22800         default for -ftrack-macro-expansion.  Delete obsolete and
22801         badly-formatted implementation details about -fdebug-cpp output.
22802         * doc/cppwarnopts.texi: Copy-edit.
22803
22804 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
22805
22806         PR c++/72803
22807         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
22808         that the transition from a max line width >= 1<<10 to narrower
22809         lines works correctly.
22810
22811 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
22812
22813         * doc/options.texi (PerFunction): New.
22814         * opt-functions.awk (switch_flags): Map both Optimization and
22815         PerFunction to CL_OPTIMIZATION.
22816         * opth-gen.awk: Test for PerFunction flag along with
22817         Optimization.
22818         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
22819         it only when the latter is present.  Skip those that don't in
22820         the hash function generator.
22821         * common.opt (fvar-tracking): Mark as PerFunction instead of
22822         Optimization.
22823         (fvar-tracking-assignments): Likewise.
22824         (fvar-tracking-assignments-toggle): Likewise.
22825         (fvar-tracking-uninit): Likewise.
22826
22827 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
22828
22829         PR translation/79018
22830         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
22831         the and store.
22832
22833 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
22834
22835         PR target/57583
22836         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
22837         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
22838         TARGET_LONG_JUMP_TABLE_OFFSETS.
22839         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
22840         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
22841         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
22842         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
22843         * config/m68k/m68k.md (tablejump expander): Likewise.
22844         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
22845         TARGET_LONG_JUMP_TABLE_OFFSETS.
22846         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
22847         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
22848
22849 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
22850             David Holsgrove <david.holsgrove@xilinx.com>
22851
22852         * common/config/microblaze/microblaze-common.c
22853         (TARGET_EXCEPT_UNWIND_INFO): Remove.
22854         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
22855         New prototype.
22856         * config/microblaze/microblaze.c (microblaze_must_save_register)
22857         (microblaze_expand_epilogue, microblaze_return_addr): Handle
22858         calls_eh_return.
22859         (microblaze_eh_return): New function.
22860         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
22861         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
22862         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
22863         * config/microblaze/microblaze.md (eh_return): New pattern.
22864
22865 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
22866
22867         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
22868         GCC_DIAGNOSTIC_STRINGIFY): Define.
22869
22870         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
22871
22872 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
22873
22874         * config/arm/arm.md (<mcrr>): New.
22875         (<mrrc>): New.
22876         * config/arm/arm.c (arm_arch5te): New.
22877         (arm_option_override): Set arm_arch5te.
22878         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
22879         and mrrc2.
22880         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
22881         (arm_mcrr_qualifiers): ... this. New.
22882         (MRRC_QUALIFIERS): Define to...
22883         (arm_mrrc_qualifiers): ... this. New.
22884         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
22885         __arm_mrrc2): New.
22886         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
22887         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
22888         (MRRCI, mrrc, MRRC): New.
22889         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
22890         VUNSPEC_MRRC2): New.
22891
22892 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
22893
22894         * config/arm/arm.md (<mcr>): New.
22895         (<mrc>): New.
22896         * config/arm/arm.c (arm_coproc_builtin_available): Add
22897         support for mcr, mrc, mcr2 and mrc2.
22898         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
22899         (arm_mcr_qualifiers): ... this. New.
22900         (MRC_QUALIFIERS): Define to ...
22901         (arm_mrc_qualifiers): ... this. New.
22902         (MCR_QUALIFIERS): Define to ...
22903         (arm_mcr_qualifiers): ... this. New.
22904         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
22905         __arm_mrc2): New.
22906         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
22907         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
22908         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
22909         VUNSPEC_MRC2): New.
22910
22911 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
22912
22913         * config/arm/arm.md (*ldc): New.
22914         (*stc): New.
22915         (<ldc>): New.
22916         (<stc>): New.
22917         * config/arm/arm.c (arm_coproc_builtin_available): Add
22918         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
22919         (arm_coproc_ldc_stc_legitimate_address): New.
22920         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
22921         'qualifier_const_pointer'.
22922         (LDC_QUALIFIERS): Define to...
22923         (arm_ldc_qualifiers): ... this. New.
22924         (STC_QUALIFIERS): Define to...
22925         (arm_stc_qualifiers): ... this. New.
22926         * config/arm/arm-protos.h
22927         (arm_coproc_ldc_stc_legitimate_address): New.
22928         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
22929         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
22930         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
22931         stc2, stcl, stc2l): New.
22932         * config/arm/constraints.md (Uz): New.
22933         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
22934         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
22935         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
22936         VUNSPEC_STC2L): New.
22937
22938 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
22939
22940         * config/arm/arm.md (<cdp>): New.
22941         * config/arm/arm.c (neon_const_bounds): Rename this ...
22942         (arm_const_bounds): ... this.
22943         (arm_coproc_builtin_available): New.
22944         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
22945         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
22946         (CDP_QUALIFIERS): Define to...
22947         (arm_cdp_qualifiers): ... this. New.
22948         (void_UP): Define.
22949         (arm_expand_builtin_args): Add case for 6 arguments.
22950         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
22951         (arm_const_bounds): ... this.
22952         (arm_coproc_builtin_available): New.
22953         * config/arm/arm_acle.h (__arm_cdp): New.
22954         (__arm_cdp2): New.
22955         * config/arm/arm_acle_builtins.def (cdp): New.
22956         (cdp2): New.
22957         * config/arm/iterators.md (CDPI,CDP,cdp): New.
22958         * config/arm/neon.md: Rename all 'neon_const_bounds' to
22959         'arm_const_bounds'.
22960         * config/arm/types.md (coproc): New.
22961         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
22962         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
22963         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
22964         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
22965
22966 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
22967
22968         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
22969         (UBINOP_QUALIFIERS): New.
22970         (si_UP): Define.
22971         (acle_builtin_data): New. Change comment.
22972         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
22973         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
22974         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
22975         arm_acle_builtins.def.
22976         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
22977         (arm_init_acle_builtins): New.
22978         (CRC32_BUILTIN): Remove.
22979         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
22980         crc32cb, crc32ch and crc32cw.
22981         (arm_init_crc32_builtins): Remove.
22982         (arm_init_builtins): Use arm_init_acle_builtins rather
22983         than arm_init_crc32_builtins.
22984         (arm_expand_acle_builtin): New.
22985         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
22986         * config/arm/arm_acle_builtins.def: New.
22987
22988 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
22989
22990         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
22991         (arm_builtin_datum): ... this.
22992         (arm_init_neon_builtin): Rename to ...
22993         (arm_init_builtin): ... this. Add a new parameters PREFIX
22994         and USE_SIG_IN_NAME.
22995         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
22996         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
22997         'arm_builtin_datum'.
22998         (arm_init_vfp_builtins): Likewise.
22999         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
23000         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
23001         (arm_expand_neon_args): Rename to ...
23002         (arm_expand_builtin_args): ... this. Rename builtin_arg
23003         enum values and differentiate between ARG_BUILTIN_MEMORY
23004         and ARG_BUILTIN_NEON_MEMORY.
23005         (arm_expand_neon_builtin_1): Rename to ...
23006         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
23007         values, arm_expand_builtin_args and add bool parameter NEON.
23008         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
23009         (arm_expand_vfp_builtin): Likewise.
23010         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
23011
23012 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
23013
23014         PR middle-end/77484
23015         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
23016         * predict.c (tree_estimate_probability_bb): Reverse direction of
23017         polymorphic call predictor.
23018
23019 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
23020
23021         * passes.c (execute_one_pass): Split out pass-skipping logic into...
23022         (determine_pass_name_match): ...this new function and...
23023         (should_skip_pass_p): ...this new function.
23024
23025 2017-01-06  Nathan Sidwell  <nathan@acm.org>
23026
23027         * ipa-visibility.c (function_and_variable_visibility): Reformat
23028         comments and long lines.  Remove extrneous if.
23029         * symtab.c (symtab_node::make_decl_local): Fix code format.
23030         (symtab_node::set_section_for_node): Fix comment typo.
23031
23032 2017-01-06  Martin Liska  <mliska@suse.cz>
23033
23034         PR bootstrap/79003
23035         * lra-constraints.c: Rename invariant to lra_invariant.
23036         * predict.c (set_even_probabilities): Initialize e to NULL.
23037
23038 2017-01-05  Martin Sebor  <msebor@redhat.com>
23039
23040         PR tree-optimization/78910
23041         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
23042         (format_integer): Correct off-by-one error in the handling
23043         of precision with negative numbers in signed conversions..
23044
23045 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
23046
23047         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
23048
23049 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
23050
23051         PR tree-optimization/71016
23052         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
23053         factor_out_conditional_conversion.  Formatting fix.
23054         (factor_out_conditional_conversion): Add cond_stmt argument.
23055         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
23056         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
23057         Formatting fix.
23058
23059 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
23060
23061         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
23062         read-rtl-function.o, and selftest-rtl.o.
23063         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
23064         (selftest::aarch64_test_loading_full_dump): New function.
23065         (selftest::aarch64_run_selftests): New function.
23066         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
23067         selftest::aarch64_run_selftests.
23068         * config/i386/i386.c
23069         (selftest::ix86_test_loading_dump_fragment_1): New function.
23070         (selftest::ix86_test_loading_call_insn): New function.
23071         (selftest::ix86_test_loading_full_dump): New function.
23072         (selftest::ix86_test_loading_unspec): New function.
23073         (selftest::ix86_run_selftests): Call the new functions.
23074         * emit-rtl.c (maybe_set_max_label_num): New function.
23075         * emit-rtl.h (maybe_set_max_label_num): New decl.
23076         * function.c (instantiate_decls): Guard call to
23077         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
23078         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
23079         "static".
23080         * gensupport.c (gen_reader::gen_reader): Pass "false"
23081         for new "compact" param of rtx_reader.
23082         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
23083         rather than an empty string for NULL strings.
23084         * read-md.c: Potentially include config.h rather than bconfig.h.
23085         Wrap include of errors.h with #ifdef GENERATOR_FILE.
23086         (have_error): New global, copied from errors.c.
23087         (md_reader::read_name): Rename to...
23088         (md_reader::read_name_1): ...this, adding "out_loc" param,
23089         and converting "missing name or number" to returning false, rather
23090         than failing.
23091         (md_reader::read_name): Reimplement in terms of read_name_1.
23092         (md_reader::read_name_or_nil): New function.
23093         (md_reader::read_string): Handle "(nil)" by returning NULL.
23094         (md_reader::md_reader): Add new param "compact".
23095         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
23096         (md_reader::read_file): New method.
23097         * read-md.h (md_reader::md_reader): Add new param "compact".
23098         (md_reader::read_file): New method.
23099         (md_reader::is_compact): New accessor.
23100         (md_reader::read_name): Convert return type from void to file_location.
23101         (md_reader::read_name_or_nil): New decl.
23102         (md_reader::read_name_1): New decl.
23103         (md_reader::m_compact): New field.
23104         (noop_reader::noop_reader): Pass "false" for new "compact" param
23105         of rtx_reader.
23106         (rtx_reader::rtx_reader): Add new "compact" param.
23107         (rtx_reader::read_rtx_operand): Make virtual and convert return
23108         type from void to rtx.
23109         (rtx_reader::read_until): New decl.
23110         (rtx_reader::handle_any_trailing_information): New virtual function.
23111         (rtx_reader::postprocess): New virtual function.
23112         (rtx_reader::finalize_string): New virtual function.
23113         (rtx_reader::m_in_call_function_usage): New field.
23114         (rtx_reader::m_reuse_rtx_by_id): New field.
23115         * read-rtl-function.c: New file.
23116         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
23117         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
23118         (selftest::verify_three_block_rtl_cfg): New decl.
23119         * read-rtl-function.h: New file.
23120         * read-rtl.c: Potentially include config.h rather than bconfig.h.
23121         For host, include function.h, memmodel.h, and emit-rtl.h.
23122         (one_time_initialization): New function.
23123         (struct compact_insn_name): New struct.
23124         (compact_insn_names): New array.
23125         (find_code): Handle insn codes in compact dumps.
23126         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
23127         (bind_subst_iter_and_attr): Likewise.
23128         (add_condition_to_string): Likewise.
23129         (add_condition_to_rtx): Likewise.
23130         (apply_attribute_uses): Likewise.
23131         (add_current_iterators): Likewise.
23132         (apply_iterators): Likewise.
23133         (initialize_iterators): Guard usage of apply_subst_iterator with
23134         #ifdef GENERATOR_FILE.
23135         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
23136         (md_reader::read_mapping): Likewise.
23137         (add_define_attr_for_define_subst): Likewise.
23138         (add_define_subst_attr): Likewise.
23139         (read_subst_mapping): Likewise.
23140         (check_code_iterator): Likewise.
23141         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
23142         logic to...
23143         (one_time_initialization): New function.
23144         (rtx_reader::read_until): New method.
23145         (read_flags): New function.
23146         (parse_reg_note_name): New function.
23147         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
23148         Handle reuse_rtx ids.
23149         Wrap iterator lookup within #ifdef GENERATOR_FILE.
23150         Add parsing support for RTL dumps, mirroring the special-cases in
23151         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
23152         values, and calling handle_any_trailing_information.
23153         (rtx_reader::read_rtx_operand): Convert return type from void
23154         to rtx, returning return_rtx.  Handle case 'e'.  Call
23155         finalize_string on XSTR and XTMPL fields.
23156         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
23157          "(nil)" values were omitted.  Call the postprocess vfunc on the
23158         return_rtx.
23159         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
23160         class ctor.  Initialize m_in_call_function_usage.  Call
23161         one_time_initialization.
23162         * rtl-tests.c (selftest::test_uncond_jump): Call
23163         set_new_first_and_last_insn.
23164         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
23165         * selftest-rtl.c: New file.
23166         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
23167         (selftest::get_insn_by_uid): New decl.
23168         * selftest-run-tests.c (selftest::run_tests): Call
23169         read_rtl_function_c_tests.
23170         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
23171         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
23172         dumps.
23173
23174 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
23175
23176         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
23177         operands in a special way.  Assert that pos+len <= mode precision.
23178
23179 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
23180
23181         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
23182         3 argument Alias with unlimited for the negative form.
23183         (fno-vect-cost-model): Removed.
23184
23185 2017-01-05  Martin Liska  <mliska@suse.cz>
23186
23187         * hsa-gen.c (gen_hsa_divmod): New function.
23188         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
23189
23190 2017-01-05  Martin Liska  <mliska@suse.cz>
23191
23192         PR pch/78970
23193         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
23194         header.
23195
23196 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23197
23198         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
23199         small constant length operands.
23200
23201 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23202
23203         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
23204         between loop iterations.
23205
23206 2017-01-05  Martin Liska  <mliska@suse.cz>
23207
23208         PR sanitizer/78815
23209         * gimplify.c (gimplify_decl_expr): Compare to
23210         asan_poisoned_variables instread of checking flags.
23211         (gimplify_target_expr): Likewise.
23212         (gimplify_expr): Likewise.
23213         (gimplify_function_tree): Conditionally initialize
23214         asan_poisoned_variables.
23215
23216 2017-01-04  Jeff Law  <law@redhat.com>
23217
23218         PR tree-optimizatin/78812
23219         * rtl.h (contains_mem_rtx_p): Prototype.
23220         * ifcvt.c (containts_mem_rtx_p): Move from here to...
23221         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
23222         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
23223         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
23224         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
23225
23226 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
23227
23228         * input.c (assert_char_at_range): Default-initialize actual_range.
23229
23230 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
23231
23232         * df-scan.c (df_ref_create_structure): Make regno unsigned,
23233         to match the caller.
23234
23235 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
23236
23237         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
23238         insns after final jump in test to emit dummy move.
23239
23240 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
23241
23242         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
23243         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
23244
23245 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
23246
23247         * multiple_target.c (create_dispatcher_calls): Init e_next.
23248         * tree-ssa-loop-split.c (split_loop): Init border.
23249         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
23250         scalar_type.
23251
23252 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
23253
23254         PR target/71977
23255         PR target/70568
23256         PR target/78823
23257         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
23258         (altivec_register_operand): Do not return true if the operand
23259         contains a SUBREG mixing SImode and SFmode.
23260         (vsx_register_operand): Likewise.
23261         (vsx_reg_sfsubreg_ok): New predicate.
23262         (vfloat_operand): Do not return true if the operand contains a
23263         SUBREG mixing SImode and SFmode.
23264         (vint_operand): Likewise.
23265         (vlogical_operand): Likewise.
23266         (gpc_reg_operand): Likewise.
23267         (int_reg_operand): Likewise.
23268         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
23269         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
23270         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
23271         SImode and SFmode.
23272         (rs6000_emit_move_si_sf_subreg): New helper function.
23273         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
23274         fixup SUBREGs involving SImode and SFmode.
23275         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
23276         numbers for the new peephole2 optimization.
23277         (peephole2 for SFmode unions): New peephole2 to optimize cases in
23278         the GLIBC math library that do AND/IOR/XOR operations on single
23279         precision floating point.
23280         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
23281         target macros to say whether we need to avoid SUBREGs mixing
23282         SImode and SFmode.
23283         (TARGET_ALLOW_SF_SUBREG): Likewise.
23284         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
23285         (UNSPEC_SI_FROM_SF): Likewise.
23286         (iorxor): Change spacing.
23287         (and_ior_xor): New iterator for AND, IOR, and XOR.
23288         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
23289         (movdi_from_sf_zero_ext): Likewise.
23290         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
23291         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
23292         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
23293         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
23294         (fms<mode>4): Likewise.
23295         (fnma<mode>4): Likewise.
23296         (fnms<mode>4): Likewise.
23297         (nfma<mode>4): Likewise.
23298         (nfms<mode>4): Likewise.
23299
23300 2017-01-04  Marek Polacek  <polacek@redhat.com>
23301
23302         PR c++/64767
23303         * doc/invoke.texi: Document -Wpointer-compare.
23304
23305 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
23306
23307         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
23308         RejectNegative.
23309
23310         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
23311         descriptions for -gdwarf-5 and emit them as uleb128 instead of
23312         2-byte data.
23313
23314 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
23315
23316         PR target/78056
23317         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
23318         documentation of the powerpc_popcntb_ok attribute.
23319         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
23320         code to issue warning messages if a requested CPU configuration is
23321         not supported by the binary (assembler and loader) toolchain.
23322         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
23323         made to define a built-in function that has been disabled.
23324         (paired_init_builtins): Add assertion to prevent ICE if attempt is
23325         made to define a built-in function that has been disabled.
23326         (altivec_init_builtins): Add comment explaining why definition
23327         of the DST built-in functions is not preceded by an assertion
23328         check.  Add assertions to prevent ICE if attempts are made to
23329         define an altivec predicate or an abs* built-in function that has
23330         been disabled.
23331         (htm_init_builtins): Add comment explaining why definition of the
23332         htm built-in functions is not preceded by an assertion check.
23333
23334 2017-01-04  Jeff Law  <law@redhat.com>
23335
23336         PR tree-optimizatin/67955
23337         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
23338         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
23339         the points-to solution does not include pt_null.  Use DECL_PT_UID
23340         unconditionally.
23341
23342 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
23343
23344         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
23345         Use gen_int_mode instead of gen_lopwart for const_int operands.
23346
23347 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
23348
23349         PR tree-optimization/71563
23350         * match.pd: Simplify X << Y into X if Y is known to be 0 or
23351         out of range value - has low bits known to be zero.
23352
23353 2017-01-04  Alan Modra  <amodra@gmail.com>
23354
23355         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
23356         * configure: Regenerate.
23357         * config.in: Regenerate.
23358
23359 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
23360
23361         PR bootstrap/77569
23362         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
23363         a substring of the message, but strcmp with the whole message.  Ifdef
23364         ENABLE_NLS, translate the message first using dgettext.
23365
23366 2017-01-03  Jeff Law  <law@redhat.com>
23367
23368         PR tree-optimizatin/78856
23369         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
23370         (mark_threaded_blocks): Remove code to truncate thread paths that
23371         cross multiple loop headers.  Instead invalidate the cached loop
23372         iteration information and handle case of a thread path walking
23373         into an irreducible region.
23374
23375 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
23376
23377         PR target/78900
23378         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
23379         assertions.  Add support for doing the signbit if the IEEE 128-bit
23380         floating point value is in a GPR.
23381         * config/rs6000/rs6000.md (Fsignbit): Delete.
23382         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
23383         Update the length attribute if the value is in a GPR.
23384         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
23385         the sign or zero extension instruction, since the value is always 0/1.
23386         (signbit<mode>2_dm2): Delete using <Fsignbit>.
23387
23388         PR target/78953
23389         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
23390         extracting SImode to a GPR register so that we can generate a
23391         store, limit the vector to be in a traditional Altivec register
23392         for the vextuwrx instruction.
23393
23394 2017-01-03  Ian Lance Taylor  <iant@google.com>
23395
23396         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
23397
23398 2017-01-03  Martin Sebor  <msebor@redhat.com>
23399
23400         PR tree-optimization/78696
23401         * gimple-ssa-sprintf.c (format_floating): Correct handling of
23402         precision.  Use MPFR for %f for greater fidelity.  Correct handling
23403         of %g.
23404         (pass_sprintf_length::compute_format_length): Set width and precision
23405         specified by asrerisk to void_node for vararg functions.
23406         (try_substitute_return_value): Adjust dump output.
23407
23408 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
23409
23410         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
23411
23412 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
23413
23414         * doc/invoke.texi (SPARC options): Document -mlra as the default.
23415         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
23416         -mlra/-mno-lra was passed to the compiler.
23417
23418 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
23419
23420         PR rtl-optimization/65618
23421         * emit-rtl.c (try_split): Move initialization of "before" and
23422         "after" to just before the call to emit_insn_after_setloc.
23423
23424 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
23425
23426         * doc/md.texi (Standard Names): Remove reference to Java frontend.
23427
23428 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
23429
23430         * dwarf2out.c (gen_enumeration_type_die): When
23431         -gno-strict-dwarf, add a DW_AT_encoding attribute.
23432
23433 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
23434
23435         PR tree-optimization/78965
23436         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
23437         Change first argument from const call_info & to call_info &.  For %n
23438         set info.nowrite to false.
23439
23440         PR middle-end/78901
23441         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
23442         possibly throwing calls.
23443
23444         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
23445         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
23446         and fns handling, rather than in a separate case SSA_NAME.
23447
23448 2017-01-02  Jeff Law  <law@redhat.com>
23449
23450         * config/darwin-driver.c (darwin_driver_init): Const-correctness
23451         fixes for first_period and second_period variables.
23452
23453 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
23454
23455         PR target/78967
23456         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
23457         (*insvqi_1): New insn pattern.
23458         (*insvqi_1_mem_rex64): Ditto.
23459         (*insvqi_2): Ditto.
23460         (*insvqi_3): Rename from *insvqi.
23461
23462         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
23463
23464 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
23465
23466         * doc/cfg.texi (Edges): Remove reference to Java.
23467         (Maintaining the CFG): Ditto.
23468
23469 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
23470
23471         PR middle-end/77674
23472         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
23473         transparent aliases.
23474
23475 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
23476
23477         PR middle-end/77484
23478         * predict.def (PRED_CALL): Update hitrate.
23479         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
23480         * predict.c (tree_estimate_probability_bb): Split CALL predictor
23481         into direct/indirect/polymorphic variants.
23482
23483 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
23484
23485         Update copyright years.
23486
23487         * gcc.c (process_command): Update copyright notice dates.
23488         * gcov-dump.c (print_version): Ditto.
23489         * gcov.c (print_version): Ditto.
23490         * gcov-tool.c (print_version): Ditto.
23491         * gengtype.c (create_file): Ditto.
23492         * doc/cpp.texi: Bump @copying's copyright year.
23493         * doc/cppinternals.texi: Ditto.
23494         * doc/gcc.texi: Ditto.
23495         * doc/gccint.texi: Ditto.
23496         * doc/gcov.texi: Ditto.
23497         * doc/install.texi: Ditto.
23498         * doc/invoke.texi: Ditto.
23499 \f
23500 Copyright (C) 2017 Free Software Foundation, Inc.
23501
23502 Copying and distribution of this file, with or without modification,
23503 are permitted in any medium without royalty provided the copyright
23504 notice and this notice are preserved.