--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.target/powerpc/vec-extracth-6.c	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,31 @@
+/* { dg-options "-mdejagnu-cpu=future" } */
+
+#include <altivec.h>
+
+extern void abort (void);
+
+int
+main (int argc, char *argv [])
+{
+  vector unsigned long long source_a = { 0, 14 };
+  vector unsigned long long source_b = { 16, 30 };
+
+  vector unsigned long long int result_1 = { 0, 16 };
+  vector unsigned long long int result_2 = { 0, 14 };
+  vector unsigned long long int result_3 = { 0, 0 };
+  vector unsigned long long int result_4 = { 0, 30 };
+
+  if (!vec_all_eq (vec_extracth (source_a, source_b, 8), result_1))
+    abort ();
+  if (!vec_all_eq (vec_extracth (source_a, source_b, 16), result_2))
+    abort ();
+  if (!vec_all_eq (vec_extracth (source_b, source_a, 8), result_3))
+    abort ();
+  if (!vec_all_eq (vec_extracth (source_b, source_a, 16), result_4))
+    abort ();
+
+  return 0;
+}
+
+/* { dg-final { scan-assembler {\mvextddvlx\M} { target le } } } */
+/* { dg-final { scan-assembler {\mvextddvrx\M} { target be } } } */