gcc/testsuite/gcc.dg/vect/vect-123.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 int x[4092];
   5 int y[1024];
   6
   7 void foo (int s)
   8 {
   9   int i, j;
  10   for (i = 0, j = 0; j < 1023; i += s, j++)
  11     y[j] += x[i];
  12 }
  13
  14 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" } } */