sysdeps/x86_64/isa-default-impl.h

   1 /* Utility for including proper default function based on ISA level
   2    Copyright (C) 2022-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <isa-level.h>
  20
  21 #ifndef DEFAULT_IMPL_V1
  22 # error "Must have at least ISA V1 Version"
  23 #endif
  24
  25 #ifndef DEFAULT_IMPL_V2
  26 # define DEFAULT_IMPL_V2 DEFAULT_IMPL_V1
  27 #endif
  28
  29 #ifndef DEFAULT_IMPL_V3
  30 # define DEFAULT_IMPL_V3 DEFAULT_IMPL_V2
  31 #endif
  32
  33 #ifndef DEFAULT_IMPL_V4
  34 # define DEFAULT_IMPL_V4 DEFAULT_IMPL_V3
  35 #endif
  36
  37 #if MINIMUM_X86_ISA_LEVEL == 1
  38 # define ISA_DEFAULT_IMPL DEFAULT_IMPL_V1
  39 #elif MINIMUM_X86_ISA_LEVEL == 2
  40 # define ISA_DEFAULT_IMPL DEFAULT_IMPL_V2
  41 #elif MINIMUM_X86_ISA_LEVEL == 3
  42 # define ISA_DEFAULT_IMPL DEFAULT_IMPL_V3
  43 #elif MINIMUM_X86_ISA_LEVEL == 4
  44 # define ISA_DEFAULT_IMPL DEFAULT_IMPL_V4
  45 #else
  46 # error "Unsupported ISA Level!"
  47 #endif
  48
  49 #include ISA_DEFAULT_IMPL