1  /* { dg-do compile } */
       2  /* { dg-require-effective-target vect_int } */
       3  /* { dg-require-effective-target vect_perm_short } */
       4  
       5  void b(short*p){
       6    p=(short*)__builtin_assume_aligned(p,64);
       7    short*q=p+255;
       8    for(;p<q;++p,--q){
       9      short t=*p;*p=*q;*q=t;
      10    }
      11  }
      12  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */