1  /* { dg-do compile } */
       2  /* { dg-options "-O3" } */
       3  /* { dg-additional-options "-march=bdver2" { target { x86_64-*-* i?86-*-* } } } */
       4  
       5  int a, b;
       6  
       7  int c()
       8  {
       9    long d, e;
      10    while (a) {
      11        a++;
      12        b = 0;
      13        for (; b++ - 2; d = d >> 1)
      14  	e += d;
      15    }
      16    return e;
      17  }