Synchronize with google/gcc-4_9 to r224707 (from r214835)

Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d

1 files changed, 41 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-2.c b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-2.c
new file mode 100644
index 000000000..6ce041ab5
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-2.c
@@ -0,0 +1,41 @@
+/* { 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-not "xxpermdi" } } */
+
+void abort ();
+
+#define N 256
+signed char ca[N] __attribute__((aligned(16)));
+signed char cb[N] __attribute__((aligned(16)));
+signed char cc[N] __attribute__((aligned(16)));
+
+__attribute__((noinline)) void foo ()
+{
+  int i;
+  for (i = 0; i < N; i++) {
+    ca[i] = cb[i] - cc[i];
+  }
+}
+
+__attribute__((noinline)) void init ()
+{
+  int i;
+  for (i = 0; i < N; ++i) {
+    cb[i] = i - 128;
+    cc[i] = i/2 - 64;
+  }
+}
+
+int main ()
+{
+  int i;
+  init ();
+  foo ();
+  for (i = 0; i < N; ++i)
+    if (ca[i] != i - i/2 - 64)
+      abort ();
+  return 0;
+}