sysdeps/x86_64/fpu/bench-libmvec-arch.h

   1 /* Runtime architecture check for libmvec benchtests. x86_64 version.
   2    Copyright (C) 2023-2024 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 }