On 28 May 2006, at 15:51, Jonas Maebe wrote:

But it can be done on ppc with two rlw* instructions which is also ok,
no?

I think it needs three: to to rotate left/right, one to insert the overflow at the end/start, and one to mask the overfow at the end/ start.

No, two is actually indeed enough if you use two different registers.


Jonas
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