__mpn_lshift_1
__mpn_lshift_1 (retval, RETURN_LIMB_SIZE, BITS_PER_MP_LIMB, \
__mpn_lshift_1 (retval, RETURN_LIMB_SIZE, used, quot); \
__mpn_lshift_1 (retval, RETURN_LIMB_SIZE,
__mpn_lshift_1 (retval, RETURN_LIMB_SIZE, used, 0);
__mpn_lshift_1 (retval, RETURN_LIMB_SIZE,
__mpn_lshift_1 (retval, RETURN_LIMB_SIZE, used, 0);