Re: [LAD] is this a compiler issue??

From: Jens M Andreasen <jens.andreasen@email-addr-hidden>
Date: Thu Aug 27 2009 - 18:39:10 EEST

On Thu, 2009-08-27 at 16:23 +0200, Conrad Berhörster wrote:

> and the Code, Jens had posted, is only for P4 intels, because it isn't
> written for AMDs and not necessary for newer one, right?

Ehh no.

It works for anything that has SSE, survives a Pentium Pro but bails out
on 486 and Pentium Classic. The instruction used was not implemented yet
in those days.

The SSE level returned is wrong for a very tiny segment of AMD
processors when AMD couldn't make up their minds upon what kind of
product they wanted to be shipping. Still does the denormal trick
though.

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Received on Thu Aug 27 20:15:03 2009

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