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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [ieee/] [unsafe-fp-assoc-1.c] - Rev 774

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extern void abort();
 
typedef union {
       struct {
  unsigned int hi;
  unsigned int lo;
 } i;
       double d;
} hexdouble;
 
static const double twoTo52 = 0x1.0p+52;
 
void func ( double x )
{
      hexdouble argument;
      register double y, z;
      unsigned int xHead;
      argument.d = x;
      xHead = argument.i.hi & 0x7fffffff;
      if (__builtin_expect(!!(xHead < 0x43300000u), 1))
       {
                  y = ( x - twoTo52 ) + twoTo52;
                  if ( y != x )
		    abort();
                  z = x - 0.5;			
                  y = ( z - twoTo52 ) + twoTo52;
                  if ( y == (( x - twoTo52 ) + twoTo52) )
		    abort();
       }
     return;
}
 
int main()
{
	if (sizeof (double) == 4)
		return 0;
	func((double)1.00);
	return 0;
}
 

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