Le jeudi 25 novembre 2010 Ã 21:55 +0800, Changli Gao a Ãcrit : > > I suggest : > > > > #include <linux/unaligned/packed_struct.h> > > ... > > a += __get_unaligned_cpu32(k); > > b += __get_unaligned_cpu32(k+4); > > c += __get_unaligned_cpu32(k+8); > > > > Fits nicely in registers. > > > > I think you mean get_unaligned_le32(). > No, I meant __get_unaligned_cpu32() We do same thing in jhash2() : a += k[0]; b += k[1]; c += k[2]; We dont care of bit order of the 32bit quantity we are adding to a,b or c , as long its consistent for the current machine ;) get_unaligned_le32() would be slow on big endian arches. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
