/byte_swap_2.S/1.3/Mon Dec 14 00:39:00 2009//Tnetbsd-10
/byte_swap_4.S/1.3/Mon Dec 14 00:39:00 2009//Tnetbsd-10
/byte_swap_8.S/1.2/Mon Dec 14 00:39:00 2009//Tnetbsd-10
D