1  /* PR target/60598 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2" } */
       4  /* { dg-additional-options "-fpic" { target fpic } } */
       5  /* { dg-additional-options "-march=z196 -mtune=zEC12" { target s390*-*-* } } */
       6  
       7  struct S { unsigned a, b[32]; };
       8  
       9  void
      10  foo (struct S *x, struct S *y)
      11  {
      12    unsigned a = y->a, i;
      13    if (x == y)
      14      for (i = 0; i < a - 1 - i; i++)
      15        {
      16  	unsigned t = x->b[i];
      17  	x->b[i] = x->b[a - 1 - i];
      18  	x->b[a - 1 - i] = t;
      19        }
      20    else
      21      {
      22        x->a = a;
      23        for (i = 0; i < a; i++)
      24  	x->b[i] = y->b[a - 1 - i];
      25      }
      26  }