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