Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 95 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/slp-19c.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/slp-19c.c
new file mode 100644
index 000000000..f0df25f53
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/slp-19c.c
@@ -0,0 +1,95 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+
+int
+main1 ()
+{
+  unsigned int i;
+  unsigned int out[N*8];
+  unsigned int in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+  unsigned int ia[N*2], a0, a1, a2, a3;
+
+  /* The last stmt requires interleaving of not power of 2 size - not
+     vectorizable.  */
+  for (i = 0; i < N/2; i++)
+    {
+      out[i*12] = in[i*12];
+      out[i*12 + 1] = in[i*12 + 1];
+      out[i*12 + 2] = in[i*12 + 2];
+      out[i*12 + 3] = in[i*12 + 3];
+      out[i*12 + 4] = in[i*12 + 4];
+      out[i*12 + 5] = in[i*12 + 5];
+      out[i*12 + 6] = in[i*12 + 6];
+      out[i*12 + 7] = in[i*12 + 7];
+      out[i*12 + 8] = in[i*12 + 8];
+      out[i*12 + 9] = in[i*12 + 9];
+      out[i*12 + 10] = in[i*12 + 10];
+      out[i*12 + 11] = in[i*12 + 11];
+
+      ia[i] = in[i*12 + 7];
+    }
+
+  /* check results:  */
+  for (i = 0; i < N/2; i++)
+    {
+      if (out[i*12] !=  in[i*12]
+         || out[i*12 + 1] != in[i*12 + 1]
+         || out[i*12 + 2] != in[i*12 + 2]
+         || out[i*12 + 3] != in[i*12 + 3]
+         || out[i*12 + 4] != in[i*12 + 4]
+         || out[i*12 + 5] != in[i*12 + 5]
+         || out[i*12 + 6] != in[i*12 + 6]
+         || out[i*12 + 7] != in[i*12 + 7]
+         || out[i*12 + 8] != in[i*12 + 8]
+         || out[i*12 + 9] != in[i*12 + 9]
+         || out[i*12 + 10] != in[i*12 + 10]
+         || out[i*12 + 11] != in[i*12 + 11]
+         || ia[i] != in[i*12 + 7])
+        abort ();
+    }
+
+  /* Hybrid SLP with unrolling by 2.  */
+  for (i = 0; i < N; i++)
+    {
+      out[i*6] = in[i*6];
+      out[i*6 + 1] = in[i*6 + 1];
+      out[i*6 + 2] = in[i*6 + 2];
+      out[i*6 + 3] = in[i*6 + 3];
+      out[i*6 + 4] = in[i*6 + 4];
+      out[i*6 + 5] = in[i*6 + 5];
+
+      ia[i] = i;
+    }
+
+  /* check results:  */
+  for (i = 0; i < N/2; i++)
+    {
+      if (out[i*6] !=  in[i*6]
+         || out[i*6 + 1] != in[i*6 + 1]
+         || out[i*6 + 2] != in[i*6 + 2]
+         || out[i*6 + 3] != in[i*6 + 3]
+         || out[i*6 + 4] != in[i*6 + 4]
+         || out[i*6 + 5] != in[i*6 + 5]
+         || ia[i] != i)
+        abort ();
+    }
+
+  return 0;
+}
+
+int main (void)
+{
+  check_vect ();
+
+  main1 ();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */