[RC5] AXP client slow on RC5

Dan Sugalski dan at sidhe.org
Fri Jun 1 23:18:13 EDT 2001

On Fri, 1 Jun 2001 chicks at chicks.net wrote:

> On Sat, 2 Jun 2001 bmeyer at cs.monash.edu.au wrote:
> > P.S.: Can someone come up with a use of the rotate instruction outside
> >       of cryptography?
> - Dividing or multiplying integers by two.  :-)  Of course, most ALU's
> optimize that sort of trickery into irrelevance these days.
> - Getting at the return value of a system() in C.

Neither of those are rotates. Shifts, yes, but not rotates. Different
operation entirely. And the Alpha, along with every other processor I can
think of (and that's a depressingly large number), supports shifts.


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