tree d8ea52d6b490c0e3b3851e1887c01700cc0115c6
parent 09020adb61416c4307de35941a9725a5e33d9beb
author Akinobu Mita <mita@miraclelinux.com> 1143365953 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1143392231 -0800

[PATCH] bitops: generic hweight{64,32,16,8}()

This patch introduces the C-language equivalents of the functions below:

unsigned int hweight32(unsigned int w);
unsigned int hweight16(unsigned int w);
unsigned int hweight8(unsigned int w);
unsigned long hweight64(__u64 w);

In include/asm-generic/bitops/hweight.h

This code largely copied from: include/linux/bitops.h

Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>