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Date: Wed, 16 Jan 2002 18:30:20 +0100
From: Dave Jones <davej@suse.de>
To: Jamie Lokier <lk@tantalophile.demon.co.uk>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Richard Henderson <rth@twiddle.net>,
        Ronald Wahl <Ronald.Wahl@informatik.tu-chemnitz.de>,
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Subject: Re: [Q] Looking for an emulation for CMOV* instructions.
Message-ID: <20020116183020.A12977@suse.de>
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	Jamie Lokier <lk@tantalophile.demon.co.uk>,
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In-Reply-To: <20020111141850.A9873@twiddle.net> <E16PAld-0000c9-00@the-village.bc.nu> <20020116151852.B31993@kushida.apsleyroad.org>
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In-Reply-To: <20020116151852.B31993@kushida.apsleyroad.org>; from lk@tantalophile.demon.co.uk on Wed, Jan 16, 2002 at 03:18:52PM +0000
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On Wed, Jan 16, 2002 at 03:18:52PM +0000, Jamie Lokier wrote:
 > > > What's the point of optimizing an IF to a cmov if I have
 > > > to insert another IF to see if I can use cmov?
 > > I've always wondered. Intel made the instruction optional yet there isnt
 > > an obvious way to do runtime fixups on it
 > Yes there is -- emulation! :-)

 Too much overhead to be of practical use..

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
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