[aarch64-port-dev ] JDK7u: merge from JDK8

[Andrew Haley]

These are mostly bug fixes, with one or two small performance
improvements.

Andrew.


changeset:   6754:4efaa065d908
user:        aph
date:        Tue Jun 17 09:30:17 2014 -0400
summary:     Fix register usage in generate_verify_oop().

changeset:   6755:98cf13a9e45d
user:        Edward Nevill edward.nevill at linaro.org
date:        Tue Jul 01 16:29:03 2014 +0100
summary:     Add support for a few simple intrinsics

changeset:   6756:94f7ebcbed91
user:        aph
date:        Tue Jul 08 05:19:10 2014 -0400
summary:     Fix typo in fsqrts

changeset:   6757:423a4be8b745
user:        aph
date:        Wed Sep 10 05:14:57 2014 -0400
summary:     Define uabs().  Use it everywhere an absolute value is wanted.

changeset:   6758:7fda57704cad
user:        aph
date:        Thu Aug 21 11:56:52 2014 -0400
summary:     Unwind native AArch64 frames.

changeset:   6759:a97d9870ab4f
user:        aph
date:        Wed Sep 10 05:21:46 2014 -0400
summary:     Various concurrency fixes.

changeset:   6760:63104abf5948
user:        aph
date:        Wed Sep 10 05:26:14 2014 -0400
summary:     Add missing instruction synchronization barriers and cache flushes.

changeset:   6761:5f7c46ba5f04
user:        aph
date:        Tue Sep 09 18:50:10 2014 +0100
summary:     Fix thinko in Atomic::xchg_ptr.

changeset:   6762:d7588497744e
tag:         tip
user:        aph
date:        Thu Aug 21 11:58:03 2014 -0400
summary:     Add frame anchor fences.