On Tue, 23 Aug 2005 10:30:28 +0900
Carsten Haitzler (The Rasterman) <[EMAIL PROTECTED]> bubbled:

> On Mon, 22 Aug 2005 20:53:07 +0200 ilLogict <[EMAIL PROTECTED]>
> babbled:
> 
> > Hello!
> > 
> > I always had the same problem on my box. But on amd64, this is set
> > as gcc's default. Do anyone know how to bypass it so that it won't
> > be used?
> 
> man gcc. as for the sse fp math... it (from memory) makes gcc use the
> sse instruction set to do floating point math operations. this is
> likely a bad thing as it 1. means using the "mmx unit" and swapping
> out of fp mode and thus you have a cycle hit with an emms coming back
> in - as the fp ops are short and not all over this isn't much worth
> it. i suspect there is some conversion rounding cumulative error. but
> as i dont have an amd64 i cant tell you much more than what i suspect.
> :)

Maybe you can disable the option in the specs file?!

-- 
MyExcuse:
incompatible bit-registration operators

Martin Zwickel <[EMAIL PROTECTED]>
Research & Development

TechnoTrend AG <http://www.technotrend.de>

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