(root)/
glibc-2.38/
sysdeps/
x86_64/
fpu/
bench-libmvec-arch.h
       1  /* Runtime architecture check for libmvec benchtests. x86_64 version.
       2     Copyright (C) 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 <stdio.h>
      20  #include <sys/platform/x86.h>
      21  
      22  #define INIT_ARCH()                                                           \
      23    do                                                                          \
      24      {                                                                         \
      25        if (!supported ())                                                      \
      26  	return 77;                                                            \
      27      }                                                                         \
      28    while (0)
      29  
      30  static bool
      31  supported (void)
      32  {
      33  #if defined REQUIRE_AVX
      34    if (!CPU_FEATURE_ACTIVE (AVX))
      35      {
      36        printf ("AVX not supported.");
      37        return false;
      38      }
      39  #elif defined REQUIRE_AVX2
      40    if (!CPU_FEATURE_ACTIVE (AVX2))
      41      {
      42        printf ("AVX2 not supported.");
      43        return false;
      44      }
      45  #elif defined REQUIRE_AVX512F
      46    if (!CPU_FEATURE_ACTIVE (AVX512F))
      47      {
      48        printf ("AVX512F not supported.");
      49        return false;
      50      }
      51  #endif
      52    return true;
      53  }