From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alessandro Rubini Date: Fri, 9 Oct 2009 12:50:16 +0200 Subject: [U-Boot] [PATCH V3 1/3] lib_generic memcpy: copy one word at a time if possible In-Reply-To: <200910090621.10386.vapier@gentoo.org> References: <200910090621.10386.vapier@gentoo.org> <20091009091220.GA3801@mail.gnudd.com> Message-ID: <20091009105016.GA6208@mail.gnudd.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de > 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