1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr44942.c b/gcc/testsuite/gcc.target/i386/pr44942.c
new file mode 100644
index 000000000..4664f7e0d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr44942.c
@@ -0,0 +1,44 @@
+/* PR target/44942 */
+/* { dg-do run { target lp64 } } */
+
+#include <stdarg.h>
+#include <emmintrin.h>
+
+void
+test1 (double a, double b, double c, double d, double e, double f,
+       double g, __m128d h, ...)
+{
+  double i;
+  va_list ap;
+
+  va_start (ap, h);
+  i = va_arg (ap, double);
+  if (i != 1234.0)
+    __builtin_abort ();
+  va_end (ap);
+}
+
+void
+test2 (double a, double b, double c, double d, double e, double f, double g,
+       __m128d h, double i, __m128d j, double k, __m128d l,
+       double m, __m128d n, ...)
+{
+  double o;
+  va_list ap;
+
+  va_start (ap, n);
+  o = va_arg (ap, double);
+  if (o != 1234.0)
+    __builtin_abort ();
+  va_end (ap);
+}
+
+int
+main ()
+{
+  __m128d m = _mm_set1_pd (7.0);
+  test1 (0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, m, 1234.0);
+  test2 (0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, m, 0.0, m,
+	 0.0, m, 0.0, m, 1234.0);
+  return 0;
+}