/byte_swap_2.S/1.2/Sat Feb  4 21:53:31 2006//D2013.05.15.22.00.00
/byte_swap_4.S/1.2/Sat Feb  4 21:53:31 2006//D2013.05.15.22.00.00
/byte_swap_8.S/1.1/Thu Jan 14 02:09:46 2010//D2013.05.15.22.00.00
D
