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From: Gabriel Paubert <paubert@iram.es>
To: Stef Simoens <stef.simoens@pi.be>
Cc: Kumar Gala <kumar.gala@freescale.com>, linuxppc-dev@lists.linuxppc.org
Subject: Re: [PATCH] align.c
Date: Tue, 3 Aug 2004 10:00:47 +0200	[thread overview]
Message-ID: <20040803080047.GC27809@iram.es> (raw)
In-Reply-To: <40F8138F.8090004@pi.be>


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/

  parent reply	other threads:[~2004-08-03  8:00 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-14 18:36 [PATCH] align.c Stef Simoens
2004-07-15 14:15 ` Kumar Gala
2004-07-16 17:42   ` Stef Simoens
2004-07-22 22:49     ` Kumar Gala
2004-07-23 13:10       ` Segher Boessenkool
2004-08-03  8:00     ` Gabriel Paubert [this message]
2004-08-04 11:36       ` Segher Boessenkool

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