[aarch64-port-dev ] Backports to aarch64/jdk8u

[Andrew Haley]

comparing with http://hg.openjdk.java.net/aarch64-port/jdk8u/hotspot
searching for changes
changeset:   8868:25aa7e3f8333
user:        aph
date:        Tue Apr 26 14:38:39 2016 +0000
summary:     8155100: AArch64: Relax alignment requirement for byte_map_base

changeset:   8869:7f4d5a501081
tag:         tip
user:        aph
date:        Wed Apr 20 11:14:10 2016 +0000
summary:     8154739: AArch64: TemplateTable::fast_xaccess loads in wrong mode

Andrew.