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/* Copyright (C) 2012-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* Test case for x86-64 preserved registers in dynamic linker. */
#ifdef __AVX512F__
#include <stdlib.h>
#include <string.h>
#include <cpuid.h>
#include <immintrin.h>
static int
avx512_enabled (void)
{
unsigned int eax, ebx, ecx, edx;
if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0
|| (ecx & (bit_AVX | bit_OSXSAVE)) != (bit_AVX | bit_OSXSAVE))
return 0;
__cpuid_count (7, 0, eax, ebx, ecx, edx);
if (!(ebx & bit_AVX512F))
return 0;
asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0));
/* Verify that ZMM, YMM and XMM states are enabled. */
return (eax & 0xe6) == 0xe6;
}
extern __m512i audit_test (__m512i, __m512i, __m512i, __m512i,
__m512i, __m512i, __m512i, __m512i);
int
main (void)
{
/* Run AVX512 test only if AVX512 is supported. */
if (avx512_enabled ())
{
__m512i zmm = _mm512_setzero_si512 ();
__m512i ret = audit_test (zmm, zmm, zmm, zmm, zmm, zmm, zmm, zmm);
zmm = _mm512_set1_epi64 (0x12349876);
if (memcmp (&zmm, &ret, sizeof (ret)))
abort ();
}
return 0;
}
#else
int
main (void)
{
return 0;
}
#endif
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