hg: hsx/hotspot-rt/hotspot: 8009575: Reduce Symbol::_refcount from 4 bytes to 2 bytes

[ioi.lam at oracle.com]

Changeset: d9eed26d638a
Author:    iklam
Date:      2013-06-23 22:08 -0700
URL:       http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/d9eed26d638a

8009575: Reduce Symbol::_refcount from 4 bytes to 2 bytes
Summary: Added Atomic::inc(short*) to support this change.
Reviewed-by: coleenp, dcubed, dholmes, minqi

! src/share/vm/oops/symbol.cpp
! src/share/vm/oops/symbol.hpp
! src/share/vm/runtime/atomic.cpp
! src/share/vm/runtime/atomic.hpp
! src/share/vm/runtime/vmStructs.cpp