RFR: 8179004: Add an efficient implementation of the "count trailing zeros" operation

[Kim Barrett]

> On Apr 20, 2017, at 2:53 AM, joe darcy <joe.darcy at oracle.com> wrote:
> 
> Hi Kim,
> 
> What relation does this work have to the java.lang.Integer.numberOfTrailingZeros​() method which is marked as @HotSpotIntrinsicCandidate?

I’m going to guess little or none.  This change is about providing a C++ callable routine for use in within the VM.