From: Andi Kleen <andi@firstfloor.org>
Date: Thu, 4 Sep 2008 11:46:11 +0000 (+0200)
Subject: x86: drop -funroll-loops for csum_partial_64.c
X-Git-Tag: v2.6.28-rc1~711^2^2~44^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb481dd56adf3c5b0993b8f052cc9ba966e3959d;p=pandora-kernel.git

x86: drop -funroll-loops for csum_partial_64.c

Impact: performance optimization

I did some rebenchmarking with modern compilers and dropping
-funroll-loops makes the function consistently go faster by a few
percent.  So drop that flag.

Thanks to Richard Guenther for a hint.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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