sysdeps/aarch64/fpu/bench-libmvec-arch.h

   1 /* Runtime architecture check for libmvec benchtests. aarch64 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/auxv.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_SVE
  34   if (!(getauxval (AT_HWCAP) & HWCAP_SVE))
  35     {
  36       printf ("SVE not supported.");
  37       return false;
  38     }
  39 #endif
  40   return true;
  41 }