fpu_rightshift
fpu_rightshift(py, pz->exponent - py->exponent - 1);
fpu_rightshift(py, 1);
fpu_rightshift(py, pz->exponent - py->exponent);
fpu_rightshift(pz, 1); /* Carried out bit. */
fpu_rightshift(pu, 112 - pu->exponent);
fpu_rightshift(pu, 112 - pu->exponent);
fpu_rightshift(pu, 113-24);
fpu_rightshift(pu, 113-24);
fpu_rightshift(pu, 1 - pu->exponent);
fpu_rightshift(pu, 113-53);
fpu_rightshift(pu, 113-53);
fpu_rightshift(pu, 1 - pu->exponent);
fpu_rightshift(pu, 1-pu->exponent);
fpu_rightshift(pu, 113-64);
extern void fpu_rightshift(unpacked *, int);