_ENABLE_SHIFT
__fpsr &= ~(__excepts | (__excepts << _ENABLE_SHIFT));
__old_fpsr = (__new_fpsr & _ENABLE_MASK) >> _ENABLE_SHIFT;
__new_fpsr |= __excepts << _ENABLE_SHIFT;
__old_fpsr = (__new_fpsr & _ENABLE_MASK) >> _ENABLE_SHIFT;
__new_fpsr &= ~(__excepts << _ENABLE_SHIFT);
return ((__fpsr & _ENABLE_MASK) >> _ENABLE_SHIFT);
#define _ENABLE_MASK (FE_ALL_EXCEPT << _ENABLE_SHIFT)