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

Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d

1 files changed, 53 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-11.c b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-11.c
new file mode 100644
index 000000000..699b5baf4
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-11.c
@@ -0,0 +1,53 @@
+/* { dg-do run { target { powerpc64le-*-* } } } */
+/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
+/* { dg-options "-mcpu=power8 -O3" } */
+
+#include <altivec.h>
+void abort ();
+
+#define N 4096
+int ca[N] __attribute__((aligned(16)));
+int cb[N] __attribute__((aligned(16)));
+int cc[N] __attribute__((aligned(16)));
+int cd[N] __attribute__((aligned(16)));
+int hey;
+
+__attribute__((noinline)) void foo ()
+{
+  int i;
+  vector int va, vb, vc, vd, tmp;
+  vector unsigned int threes = vec_splat_u32(3);
+  for (i = 0; i < N; i+=4) {
+    vb = vec_vsx_ld (0, &cb[i]);
+    vc = vec_vsx_ld (0, &cc[i]);
+    vd = vec_vsx_ld (0, &cd[i]);
+    tmp = vec_add (vb, vc);
+    tmp = vec_sub (tmp, vd);
+    tmp = vec_sra (tmp, threes);
+    hey = tmp[3];
+    vec_vsx_st (tmp, 0, &ca[i]);
+  }
+}
+
+__attribute__((noinline)) void init ()
+{
+  int i;
+  for (i = 0; i < N; ++i) {
+    cb[i] = 3 * i - 2048;
+    cc[i] = -5 * i + 93;
+    cd[i] = i + 14;
+  }
+}
+
+int main ()
+{
+  int i;
+  init ();
+  foo ();
+  for (i = 0; i < N; ++i)
+    if (ca[i] != (-3 * i - 1969) >> 3)
+      abort ();
+  if (hey != ca[N-1])
+    abort ();
+  return 0;
+}