1  /* { dg-do run } */
       2  /* { dg-options "-O2 -mtune=athlon64" } */
       3  
       4  extern void abort (void);
       5  
       6  long double
       7  __attribute__((noinline, noclone))
       8  test (float num)
       9  {
      10    unsigned int i;
      11  
      12    if (num < 0.0)
      13      num = 0.0;
      14  
      15    __builtin_memcpy (&i, &num, sizeof(unsigned int));
      16  
      17    return (long double)(unsigned long long) i;
      18  }
      19  
      20  int
      21  main ()
      22  {
      23    long double x;
      24  
      25    x = test (0.0);
      26  
      27    if (x != 0.0)
      28      abort ();
      29  
      30    return 0;
      31  }