1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr51393.c b/gcc/testsuite/gcc.target/i386/pr51393.c
new file mode 100644
index 000000000..ac167396e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr51393.c
@@ -0,0 +1,22 @@
+/* { dg-do run } */
+/* { dg-require-effective-target avx } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O -mavx" } */
+
+#include "avx-check.h"
+#include <immintrin.h>
+
+static void
+__attribute__((noinline))
+avx_test (void)
+{
+  long long in = 0x800000000ll;
+  long long out;
+
+  __m256i zero = _mm256_setzero_si256();
+  __m256i tmp  = _mm256_insert_epi64 (zero, in, 0);
+  out = _mm256_extract_epi64(tmp, 0);
+
+  if (in != out)
+    abort ();
+}