From: stegefin@free.fr
To: qemu-devel@nongnu.org, Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [Qemu-devel] [Patch] Swapping functions for Mac OS X
Date: Mon, 26 Jul 2004 19:48:16 +0200 [thread overview]
Message-ID: <1090864096.410543e04e12c@imp5-q.free.fr> (raw)
In-Reply-To: <1090679632.3753.0.camel@gaston>
Benjamin,
I think that the NXSwap functions are defined as inlined asm in the header.
Pierre
Quoting Benjamin Herrenschmidt <benh@kernel.crashing.org>:
>
> On Sat, 2004-07-17 at 09:50, Pierre d'Herbemont wrote:
> > Hi Fabrice,
> >
> > I think it should be quite useful to use the swapping functions on Mac
> > OS X. However I don't see a huge performance gain with this patch.
>
> Ugh ? How cna it be useful to call into library functions why you can
> use inline assembly ? Actually, if the swap is done on data loaded/stored
> from/to memory, then you can use the ppc endian swapped load/store
> instructions
>
> Ben.
>
>
>
> _______________________________________________
> Qemu-devel mailing list
> Qemu-devel@nongnu.org
> http://lists.nongnu.org/mailman/listinfo/qemu-devel
>
next prev parent reply other threads:[~2004-07-26 17:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-17 13:50 [Qemu-devel] [Patch] Swapping functions for Mac OS X Pierre d'Herbemont
2004-07-24 14:33 ` Benjamin Herrenschmidt
2004-07-26 17:48 ` stegefin [this message]
2004-07-26 21:00 ` Laurent Amon
2004-07-28 1:13 ` Benjamin Herrenschmidt
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