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/* Test case for x86-64 preserved registers in dynamic linker. */
#include <stdlib.h>
#include <string.h>
#include <cpuid.h>
#include <emmintrin.h>
extern __m128i audit_test (__m128i, __m128i, __m128i, __m128i,
__m128i, __m128i, __m128i, __m128i);
static int
avx_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;
/* Check the OS has AVX and SSE saving enabled. */
asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0));
return (eax & 6) == 6;
}
int
main (void)
{
/* Run AVX test only if AVX is supported. */
if (avx_enabled ())
{
__m128i xmm = _mm_setzero_si128 ();
__m128i ret = audit_test (xmm, xmm, xmm, xmm, xmm, xmm, xmm, xmm);
xmm = _mm_set1_epi32 (0x98abcdef);
if (memcmp (&xmm, &ret, sizeof (ret)))
abort ();
}
return 0;
}
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