1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/swaps-p8-20.c b/gcc/testsuite/gcc.target/powerpc/swaps-p8-20.c
new file mode 100644
index 00000000000..7463781281e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/swaps-p8-20.c
@@ -0,0 +1,29 @@
+/* { dg-do run { target { powerpc64le-*-* } } } */
+/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } }
+/* { dg-require-effective-target powerpc_altivec_ok } */
+/* { dg-options "-O2 -mcpu=power8 -maltivec" } */
+
+/* The expansion for vector character multiply introduces a vperm operation.
+   This tests that the swap optimization to remove swaps by changing the
+   vperm mask results in correct code.  */
+
+#include <altivec.h>
+
+void abort ();
+
+vector unsigned char r;
+vector unsigned char v =
+  { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
+vector unsigned char i =
+  { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
+vector unsigned char e =
+  {0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 156, 182, 210, 240};
+
+int main ()
+{
+  int j;
+  r = v * i;
+  if (!vec_all_eq (r, e))
+    abort ();
+  return 0;
+}