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From: Dale Stanbrough <dstanbro@bigpond.net.au>
Newsgroups: comp.lang.ada
Subject: Re: Quality systems (Was: Using Ada for device drivers? (Was: the Ada
 mandate, and why it collapsed and died))
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Marin David Condic <nobody@noplace.com> wrote:


> I don't know of any hardware that would do this for either floating 
> point or integer numbers, so I'd suspect it would not be practical to do 
> anything but implement it in software. You'd probably want to do 
> whatever it is you do to check for an overflow on a subtype, but instead 
> of raising an exception, you plug it with the max value and continue to run.


I'm pretty sure that the PowerPC chip's Altivec instruction has this.

yes, google says...

   http://e-www.motorola.com/brdata/PDFDB/docs/ALTIVECPIM.pdf

which indicates saturated maths is for integral types.

Dale