1 files changed, 43 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-14.c b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-14.c
new file mode 100644
index 000000000..7ca6ad5cc
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-14.c
@@ -0,0 +1,43 @@
+/* { dg-do compile { target { powerpc64le-*-* } } } */
+/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
+/* { dg-options "-mcpu=power8 -O3" } */
+/* { dg-final { scan-assembler "lxvd2x" } } */
+/* { dg-final { scan-assembler "stxvd2x" } } */
+/* { dg-final { scan-assembler "stxsdx" } } */
+/* { dg-final { scan-assembler-times "xxpermdi" 1 } } */
+
+/* The only xxpermdi expected is for the vec_splats.  */
+
+#include <altivec.h>
+void abort ();
+
+#define N 4096
+long long ca[N] __attribute__((aligned(16)));
+long long cb[N] __attribute__((aligned(16)));
+long long cc[N] __attribute__((aligned(16)));
+long long cd[N] __attribute__((aligned(16)));
+long long x;
+
+__attribute__((noinline)) void foo ()
+{
+  int i;
+  vector long long va, vb, vc, vd, tmp;
+  volatile unsigned long long three = 3;
+  vector unsigned long long threes = vec_splats (three);
+  for (i = 0; i < N; i+=2) {
+    vb = vec_vsx_ld (0, (vector long long *)&cb[i]);
+    vc = vec_vsx_ld (0, (vector long long *)&cc[i]);
+    vd = vec_vsx_ld (0, (vector long long *)&cd[i]);
+    tmp = vec_add (vb, vc);
+    tmp = vec_sub (tmp, vd);
+    tmp = vec_sra (tmp, threes);
+    x = vec_extract (tmp, 0);
+    vec_vsx_st (tmp, 0, (vector long long *)&ca[i]);
+  }
+}
+
+int main ()
+{
+  foo ();
+  return 0;
+}