ldq_u
if (__get_word(ldq_u, first,src))
if (__get_word(ldq_u, second, src+1))
if (__get_word(ldq_u, second, lastsrc))
ldq_u(second_dest, dst);
if (__get_word(ldq_u, first, src))
if (__get_word(ldq_u, second, src+1))
if (__get_word(ldq_u, second, lastsrc))
ldq_u(second_dest, dst+1);
if (__get_word(ldq_u, second, lastsrc))
ldq_u(second_dest, dst);
ldq_u(partial_dest, dst);