From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 1 Feb 2010 14:03:07 +0000 (+0100)
Subject: bitops: Optimize hweight() by making use of compile-time evaluation
X-Git-Tag: v2.6.35-rc1~512^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1527bc8b928dd1399c3d3467dd47d9ede210978a;p=pandora-kernel.git

bitops: Optimize hweight() by making use of compile-time evaluation

Rename the extisting runtime hweight() implementations to
__arch_hweight(), rename the compile-time versions to __const_hweight()
and then have hweight() pick between them.

Suggested-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20100318111929.GB11152@aftab>
Acked-by: H. Peter Anvin <hpa@zytor.com>
LKML-Reference: <1265028224.24455.154.camel@laptop>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---

Reading git-diff-tree failed