1  /* Runtime architecture check for libmvec benchtests. aarch64 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/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  }