/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-fre1" } */

typedef char __attribute__ ((vector_size (4))) v4qi;

v4qi v;
void ret(char a)
{
  v4qi c={a,a,a,a},d={a,a,a,a};
  v = (c!=d);
}
/* { dg-final { scan-tree-dump "v = . 0, 0, 0, 0 ." "fre1"} } */