1  /* Common definition for libmathvec ifunc selections optimized with
       2     AVX2.
       3     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include <init-arch.h>
      21  
      22  #undef PASTER2
      23  #define PASTER2(x,y)	x##_##y
      24  
      25  extern void REDIRECT_NAME (void);
      26  extern __typeof (REDIRECT_NAME) OPTIMIZE (sse_wrapper) attribute_hidden;
      27  extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2) attribute_hidden;
      28  
      29  static inline void *
      30  IFUNC_SELECTOR (void)
      31  {
      32    const struct cpu_features* cpu_features = __get_cpu_features ();
      33  
      34    if (CPU_FEATURE_USABLE_P (cpu_features, FMA)
      35        && CPU_FEATURE_USABLE_P (cpu_features, AVX2))
      36      return OPTIMIZE (avx2);
      37  
      38    return OPTIMIZE (sse_wrapper);
      39  }