RFA: 8044659: Java SecureRandom on SPARC T4 much slower than on x86/Linux

[Rob McKenna]

Hi folks,

Very slightly (line numbers only) altered backport:

Bug: https://bugs.openjdk.java.net/browse/JDK-8044659
9 Changeset: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/8c7eee281a64
9 Review: 
http://mail.openjdk.java.net/pipermail/security-dev/2014-July/010840.html
7 webrev: http://cr.openjdk.java.net/~robm/8044659/7/webrev.01/ (build 
and test in flight)

     -Rob