Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 59 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/bb-slp-25.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/bb-slp-25.c
new file mode 100644
index 000000000..737b3b06c
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/bb-slp-25.c
@@ -0,0 +1,59 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define A 3
+#define B 4
+#define N 256
+
+short src[N], dst[N];
+
+void foo (short * __restrict__ dst, short * __restrict__ src, int h, int stride, int dummy)
+{
+  int i;
+  h /= 16;
+  for (i = 0; i < h; i++)
+    {
+      dst[0] += A*src[0] + src[stride];
+      dst[1] += A*src[1] + src[1+stride];
+      dst[2] += A*src[2] + src[2+stride];
+      dst[3] += A*src[3] + src[3+stride];
+      dst[4] += A*src[4] + src[4+stride];
+      dst[5] += A*src[5] + src[5+stride];
+      dst[6] += A*src[6] + src[6+stride];
+      dst[7] += A*src[7] + src[7+stride];
+      dst += 8;
+      src += 8;
+      if (dummy == 32)
+        abort ();
+   }
+}
+
+
+int main (void)
+{
+  int i;
+
+  check_vect ();
+
+  for (i = 0; i < N; i++)
+    {
+       dst[i] = 0;
+       src[i] = i;
+    }
+
+  foo (dst, src, N, 8, 0);
+
+  for (i = 0; i < N/2; i++)
+    {
+      if (dst[i] != A * i + i + 8)
+        abort ();
+    }
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp" { target vect_element_align } } } */
+/* { dg-final { cleanup-tree-dump "slp" } } */
+