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Date:      Sat, 7 Feb 1998 22:17:33 -0700
From:      Nate Williams <nate@mt.sri.com>
To:        Damon Permezel <dap@damon.com>
Cc:        hackers@FreeBSD.ORG
Subject:   Re: MMX, pentium, etc
Message-ID:  <199802080517.WAA17659@mt.sri.com>
In-Reply-To: <199802080503.XAA10438@damon.com>
References:  <199802080503.XAA10438@damon.com>

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> I have a Java app which uses some intensive FP, for which I have
> written native (aka: C) routines to accelerate.
> 
> I am getting to the point where I am once again tapped out, so I want
> to explore hand coded MMX instructions in my (unrolled, hand optimized)
> inner loops.

Umm, if you're using the FPU, then MMX would be a lose if you mix FPU
and MMX instructions.  Better to stick with just FPU instructions.

> I've seen discussions on MMX here, and on pgcc. I went to build the pgcc
> port once, and was informed that it was broken.

Try the egcs port, which has become what pgcc intended to be.



Nate

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