1  /* Test long double on x86 and x86-64. */
       2  
       3  /* { dg-do run } */
       4  /* { dg-options -O2 } */
       5  
       6  extern void abort (void);
       7  
       8  __inline int
       9  __signbitl0 (long double __x)
      10  {
      11    union { long double __l; int __i[3]; } __u = { __l: __x };
      12  
      13    return (__u.__i[2] & 0x8000) != 0;
      14  }
      15  
      16  void
      17  foo (long double x, long double y)
      18  {
      19    long double z = x / y;
      20    if (__signbitl0 (x) && __signbitl0 (z))
      21      abort ();
      22  }
      23  
      24  int main()
      25  {
      26    if (sizeof (long double) > sizeof (double))
      27      foo (-0.0, -1.0);
      28    return 0;
      29  }