_REG_O1
r[_REG_O1] = tf->tf_out[1];
tf->tf_out[1] = r[_REG_O1];
gr[_REG_O1] = tf->tf_out[1];
tf->tf_out[1] = (uint64_t)gr[_REG_O1];
gr[_REG_O1] = tf->tf_out[1];
tf->tf_out[1] = (uint64_t)gr[_REG_O1];