Long.bitCount micro-optimization

[Brian Burkhalter]

On May 8, 2017, at 5:07 PM, Joseph D. Darcy <joe.darcy at oracle.com> wrote:

> This is a case of "jmh results or it isn't faster." [1]
> 
> It is challenging to evaluate such changes as being universally faster without benchmark results, especially for small methods like this. Without compelling performance support, my preference would be to leave the current Java implementation as-is, especially when there are VM intrinsics on many platforms.

I concur.

Brian