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

[Kim Barrett]

> On Apr 25, 2017, at 8:37 AM, Volker Simonis <volker.simonis at gmail.com> wrote:
> 
> Hi Kim,
> 
> thanks for implementing the AIX part of the change!
> I've compiled and tested it and it works fine.
> Although we currently have no 32-bit port on AIX I think you could
> leave the 32-bit variant in for reference (and to help the brave
> developer who starts the 32-bit version of the AIX port :)
> 
> Thank you and best regards,
> Volker
> 

Thanks.