Extremely CISC instructions

Van Snyder van.snyder at sbcglobal.net
Tue Aug 24 12:40:40 CDT 2021


On Tue, 2021-08-24 at 15:55 +0000, dwight via cctalk wrote:
> DSP processors, like the 2100 series of Analog Devices, one single
> instruction that would take value from one array and multiply it by a
> value from another array and then add it to another array, while
> incrementing the indexes.

That's the BLAS SAXPY (or DAXPY) routine, a fundamental step in
Gaussian elimination.

> I'd say that was CISC like.
> Dwight
> 
> 



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