46 lines
1003 B
C
46 lines
1003 B
C
/* 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;
|
|
}
|
|
|
|
|
|
static int
|
|
do_test (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;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../../test-skeleton.c"
|