From: Alessandro Rubini <rubini-list@gnudd.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V3 1/3] lib_generic memcpy: copy one word at a time if possible
Date: Fri, 9 Oct 2009 12:50:16 +0200 [thread overview]
Message-ID: <20091009105016.GA6208@mail.gnudd.com> (raw)
In-Reply-To: <200910090621.10386.vapier@gentoo.org>
> i think you want to drop the count from the list, otherwise we dont consume
> the leading groups of 4 bytes if count isnt a multiple of 4.
Yes, same for memset. See Wolfgang it was not 10% more? These micro
optimizations are hairy, as you need to measure them to make sure they
work.
Ok, V4 tomorrow.
/alessandro
next prev parent reply other threads:[~2009-10-09 10:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-09 9:12 [U-Boot] [PATCH V3 1/3] lib_generic memcpy: copy one word at a time if possible Alessandro Rubini
2009-10-09 10:21 ` Mike Frysinger
2009-10-09 10:50 ` Alessandro Rubini [this message]
2009-10-10 6:13 ` Chris Moore
2009-10-10 7:44 ` Alessandro Rubini
2009-10-12 4:37 ` Chris Moore
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