Blame sysdeps/x86_64/tst-audit10.c

Packit 6c4009
/* Test case for preserved AVX512 registers in dynamic linker.
Packit 6c4009
   Copyright (C) 2012-2018 Free Software Foundation, Inc.
Packit 6c4009
   This file is part of the GNU C Library.
Packit 6c4009
Packit 6c4009
   The GNU C Library is free software; you can redistribute it and/or
Packit 6c4009
   modify it under the terms of the GNU Lesser General Public
Packit 6c4009
   License as published by the Free Software Foundation; either
Packit 6c4009
   version 2.1 of the License, or (at your option) any later version.
Packit 6c4009
Packit 6c4009
   The GNU C Library is distributed in the hope that it will be useful,
Packit 6c4009
   but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit 6c4009
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Packit 6c4009
   Lesser General Public License for more details.
Packit 6c4009
Packit 6c4009
   You should have received a copy of the GNU Lesser General Public
Packit 6c4009
   License along with the GNU C Library; if not, see
Packit 6c4009
   <http://www.gnu.org/licenses/>.  */
Packit 6c4009
Packit 6c4009
#include <cpuid.h>
Packit 6c4009
Packit 6c4009
int tst_audit10_aux (void);
Packit 6c4009
Packit 6c4009
static int
Packit 6c4009
avx512_enabled (void)
Packit 6c4009
{
Packit 6c4009
#ifdef bit_AVX512F
Packit 6c4009
  unsigned int eax, ebx, ecx, edx;
Packit 6c4009
Packit 6c4009
  if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0
Packit 6c4009
      || (ecx & (bit_AVX | bit_OSXSAVE)) != (bit_AVX | bit_OSXSAVE))
Packit 6c4009
    return 0;
Packit 6c4009
Packit 6c4009
  __cpuid_count (7, 0, eax, ebx, ecx, edx);
Packit 6c4009
  if (!(ebx & bit_AVX512F))
Packit 6c4009
    return 0;
Packit 6c4009
Packit 6c4009
  asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0));
Packit 6c4009
Packit 6c4009
  /* Verify that ZMM, YMM and XMM states are enabled.  */
Packit 6c4009
  return (eax & 0xe6) == 0xe6;
Packit 6c4009
#else
Packit 6c4009
  return 0;
Packit 6c4009
#endif
Packit 6c4009
}
Packit 6c4009
Packit 6c4009
static int
Packit 6c4009
do_test (void)
Packit 6c4009
{
Packit 6c4009
  /* Run AVX512 test only if AVX512 is supported.  */
Packit 6c4009
  if (avx512_enabled ())
Packit 6c4009
    return tst_audit10_aux ();
Packit 6c4009
  else
Packit 6c4009
    return 77;
Packit 6c4009
}
Packit 6c4009
Packit 6c4009
#define TEST_FUNCTION do_test ()
Packit 6c4009
#include "../../test-skeleton.c"