[aarch64-port-dev ] hg: aarch64-port/jdk8/hotspot: Optimise long divide by 2

[ed at camswl.com]

Changeset: 1fcabae0e46f
Author:    Edward Nevill edward.nevill at linaro.org
Date:      2014-05-13 16:09 +0100
URL:       http://hg.openjdk.java.net/aarch64-port/jdk8/hotspot/rev/1fcabae0e46f

Optimise long divide by 2

! src/cpu/aarch64/vm/aarch64.ad