RFR [8u20]: Backport of 8038953,Add sanity tests for BMI1 and LZCNT instructions

[Anton Ivanov]

Hi all,

Please review backport of 8035857 into 8u20.
The patch applied cleanly, so I didn't create a new webrev for it.

http://cr.openjdk.java.net/~iignatyev/aaivanov/8038953/webrev.05/

discussion: 
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2014-April/013890.html

-- 
Best regards,
Anton Ivanov