[aarch64-port-dev ] hg: aarch64-port/jdk8/hotspot: - Add fix spotted by Andrew Dinn to do cbnzw instead of cbnz in casw

[ed at camswl.com]

Changeset: 813458fe14ee
Author:    Edward Nevill edward.nevill at linaro.org
Date:      2014-01-22 16:29 +0000
URL:       http://hg.openjdk.java.net/aarch64-port/jdk8/hotspot/rev/813458fe14ee

- Add fix spotted by Andrew Dinn to do cbnzw instead of cbnz in casw
- Use temp reg in emit_compare_and_swap to avoid corrupting cmpval
- Minor tweak to use 2 arg vsn of encode_heap_oop

! src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp