RFR(L): 8031321 Support Intel bit manipulation instructions

[Igor Veresov]

Thanks for the review, Roland!

On Feb 14, 2014, at 1:34 AM, Roland Westrelin <roland.westrelin at oracle.com> wrote:

>> Can I please get a second review for this?
>> 
>> http://cr.openjdk.java.net/~iveresov/8031321/webrev.04/
> 
> Can’t we drop the #ifdef X86 in matcher.[ch]pp because UseBMI1Instructions is only true on x86?

The flag is currently defined only for x86, to remove the ifdefs I’ll have to move it to a platform-independent file. I will try to work on extending ADL and matcher to work with patterns like that, so these hacks in matcher will likely go away in the future.

igor

> 
> Otherwise looks good to me.

> 
> Roland.