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glibc/sysdeps/x86_64/tst-audit6.c
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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; | |
} | |
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" |