From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gabriel Paubert Date: Tue, 3 Aug 2004 10:00:47 +0200 To: Stef Simoens Cc: Kumar Gala , linuxppc-dev@lists.linuxppc.org Subject: Re: [PATCH] align.c Message-ID: <20040803080047.GC27809@iram.es> References: <40F57D15.8030700@pi.be> <69A5B0EA-D669-11D8-A9B5-000393DBC2E8@freescale.com> <40F8138F.8090004@pi.be> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <40F8138F.8090004@pi.be> Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Fri, Jul 16, 2004 at 07:42:39PM +0200, Stef Simoens wrote: > > Kumar Gala wrote: > >Do you really see string ops and alignment exceptions? I was under the > >impression they did byte accesses. > > Yes, but i've only seen alignment exceptions with stswi/lswi > instructions though. > > (On the MPC601, stswi/lswi has better timings than a series of stw/lwz; > that's why I'm probably the only one seeing them...) > > While I was at it, Paulus asked me to handle stmw/lmw and stswx/lswx as > well... Personnaly I disagree for stmw/lmw, they are specified to work only for word-aligned addresses. Regards, Gabriel (back form holidays, so the delay) ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/