1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/x86_64/tst-audit4.c b/sysdeps/x86_64/tst-audit4.c
new file mode 100644
index 0000000..c4f1d5b
--- /dev/null
+++ b/sysdeps/x86_64/tst-audit4.c
@@ -0,0 +1,49 @@
+/* Test case for x86-64 preserved registers in dynamic linker.  */
+
+#ifdef __AVX__
+#include <stdlib.h>
+#include <string.h>
+#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)
+{
+  /* Run AVX test only if AVX is supported.  */
+  if (avx_enabled ())
+    {
+      __m256i ymm = _mm256_setzero_si256 ();
+      __m256i ret = audit_test (ymm, ymm, ymm, ymm, ymm, ymm, ymm, ymm);
+
+      ymm =  _mm256_set1_epi32 (0x12349876);
+      if (memcmp (&ymm, &ret, sizeof (ret)))
+	abort ();
+    }
+  return 0;
+}
+#else
+int
+main (void)
+{
+  return 0;
+}
+#endif