Add AVX support to ld.so auditing for x86-64.

1 files changed, 35 insertions, 0 deletions

diff --git a/elf/tst-audit4.c b/elf/tst-audit4.c
new file mode 100644
index 0000000000..b17d4a61a7
--- /dev/null
+++ b/elf/tst-audit4.c
@@ -0,0 +1,35 @@
+/* Test case for x86-64 preserved registers in dynamic linker.  */
+
+#ifdef __AVX__
+#include <stdlib.h>
+#include <string.h>
+#include <cpuid.h>
+#include <immintrin.h>
+
+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))
+    {
+      __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