Florian Hars wrote:
> Brandon J. Van Every wrote:
> > Well, you could pass the first 6 integer arguments via the normal
> > registers, the first 8 floating point arguments via the x87
> > FPU, and the
> > next 8 integer or float arguments via the XMM registers.
>
> But this will give you different results for your
> computations, depending on
> argument ordering (if you push an argument from the last x87
> register to the first XMM register, it loses 16 bits).

You are worrying about 80-bit Intel internal precision vs. the 64-bit
IEEE storage format?  That's a little too anal for my tastes.  If you
store your results as 64-bit doubles at some point, you're going to lose
that internal precision anyways.


Cheers,                         www.indiegamedesign.com
Brand*n Van Every               S*attle, WA

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