1  /* Symbol rediretion for loader/static initialization code.
       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  #ifndef _DL_IFUNC_GENERIC_H
      20  #define _DL_IFUNC_GENERIC_H
      21  
      22  #include <isa-level.h>
      23  
      24  #if MINIMUM_X86_ISA_LEVEL >= 4
      25  # define HAVE_MEMSET_IFUNC_GENERIC "__memset_evex_unaligned"
      26  #elif MINIMUM_X86_ISA_LEVEL == 3
      27  # define HAVE_MEMSET_IFUNC_GENERIC "__memset_avx2_unaligned"
      28  #else
      29  # define HAVE_MEMSET_IFUNC_GENERIC "__memset_sse2_unaligned"
      30  #endif
      31  
      32  asm ("memset = " HAVE_MEMSET_IFUNC_GENERIC);
      33  
      34  #endif