[fpc-pascal] rotating bits
Jonas Maebe
jonas.maebe at elis.ugent.be
Sun May 28 15:55:08 CEST 2006
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
More information about the fpc-pascal
mailing list