[8u40] RFR (XS) 8059139: It should be possible to explicitly disable usage of TZCNT instr w/ -XX:-UseBMI1Instructions

[Christian Thalinger]

Looks good.

> On Oct 20, 2014, at 2:16 PM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
> 
> Backport request. Changes was pushed into jdk9 last week. Nighties are fine. Changes are applied cleanly.
> 
> https://bugs.openjdk.java.net/browse/JDK-8059139
> http://cr.openjdk.java.net/~kvn/8059139/webrev/
> http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/3c4254d2df12
> 
> Thanks,
> Vladimir