review request for 6622432

[Christian Thalinger]

On Tue, 2009-02-17 at 14:20 +0100, Rémi Forax wrote:
> > 1. Is bitCount() called often and performance critical?  There is a RFE
> > (6378821) to intrinsify it and I am thinking about to implement it.
> >   
> It's not related to BigInteger but the fastest multi-dispatch algorithm 
> that I know relies heavily on
> bitCount too (on Long.bitCount).
> So you have my vote :)

Interesting, do you have a pointer to an example algorithm?

> > 2. Why is BigInteger using it's own implementation of bit-count
> > (bitCnt()) instead of using Integer.bitCount()?
> >   
> because Integer.bitCount() was introduced in 1.5 and BigInteger in 1.4.
> BigInteger was not retrofited.

Ohh, I missed that.  Could someone fix that or should I propose a patch?

-- Christian