2009-06-16 Basile Starynkevitch <basile@starynkevitch.net>

	MELT branch merged with trunk r148523



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@148527 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 48 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-1.c b/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-1.c
new file mode 100644
index 00000000000..0cf2ca06d14
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-nest-cycle-1.c
@@ -0,0 +1,48 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16 
+
+float in[N] = {232,132,32,432,532,321,327,323,321,324,322,329,432,832,932,232};
+float out[N];
+float check_res[N] = {112,-4,-120,264,348,121,111,91,73,60,42,33,120,504,588,-128};
+float a[2*N] = {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};
+
+/* Outer-loop vectorization.  */
+
+__attribute__ ((noinline)) void 
+foo () 
+{
+  int i, j;
+  float res;
+
+  for (i = 0; i < N; i++)
+    {
+      res = in[i];
+
+      for (j = 0; j < N; j++) 
+        res = res - a[i+j];
+        
+      out[i] = res;
+    }
+
+  for (i = 0; i < N; i++)  
+    if (out[i] != check_res[i])
+      abort ();
+
+}
+
+int main ()
+{
+  check_vect ();
+
+  foo();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
+