[squeak-dev] The Trunk: Kernel-cmm.568.mcz
Bert Freudenberg
bert at freudenbergs.de
Tue Apr 12 08:46:41 UTC 2011
On 12.04.2011, at 08:20, Nicolas Cellier wrote:
> Bit by bit ?
> I suggest using
> http://graphics.stanford.edu/~seander/bithacks.html#ReverseParallel
> reverse next power of two bits, then bitShift: the difference...
>
> Or someone else will exhibit a bitBlt hack :)
>
> Nicolas
Well, there is IntegerTest>>testBitReversal, knock yourself out ;)
I'm not sure I like the timed test but it looks like it should work. Actually, I am sure that I don't like it, but I am too lazy to fix. So there ;)
- Bert -
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