[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.

					Dan

--
To unsubscribe, send 'unsubscribe rc5' to majordomo at lists.distributed.net
rc5-digest subscribers replace rc5 with rc5-digest



More information about the rc5 mailing list