[HARDWARE] Re: PPC rotate w/ mask

stoney at sequent.com stoney at sequent.com
Mon Oct 4 11:14:03 EDT 1999


I was looking at the PPC instructions for programmable rotates.
I think it has five operands.  One of the operands is a mask
for conrolling which bits are rotated.  I am not sure what 
performance increase this would get you; I didn't have enough
time to look at it more closely.


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