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-rw-r--r--elf/tst-audit4.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/elf/tst-audit4.c b/elf/tst-audit4.c
index b17d4a61a7..c4f1d5bdb9 100644
--- a/elf/tst-audit4.c
+++ b/elf/tst-audit4.c
@@ -6,16 +6,30 @@
#include <cpuid.h>
#include <immintrin.h>
+
+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;
+}
+
+
extern __m256i audit_test (__m256i, __m256i, __m256i, __m256i,
__m256i, __m256i, __m256i, __m256i);
int
main (void)
{
- unsigned int eax, ebx, ecx, edx;
-
/* Run AVX test only if AVX is supported. */
- if (__get_cpuid (1, &eax, &ebx, &ecx, &edx)
- && (ecx & bit_AVX))
+ if (avx_enabled ())
{
__m256i ymm = _mm256_setzero_si256 ();
__m256i ret = audit_test (ymm, ymm, ymm, ymm, ymm, ymm, ymm, ymm);