hg: hsx/hotspot-emb/hotspot: 7102776: Pack instanceKlass boolean fields into single u1 field

[coleen.phillimore at oracle.com]

Changeset: 75c0a73eee98
Author:    coleenp
Date:      2011-11-17 12:53 -0500
URL:       http://hg.openjdk.java.net/hsx/hotspot-emb/hotspot/rev/75c0a73eee98

7102776: Pack instanceKlass boolean fields into single u1 field
Summary: Reduce class runtime memory usage by packing 4 instanceKlass boolean fields into single u1 field. Save 4-byte for each loaded class.
Reviewed-by: dholmes, bobv, phh, twisti, never, coleenp
Contributed-by: Jiangli Zhou <jiangli.zhou at oracle.com>

! agent/src/share/classes/sun/jvm/hotspot/oops/InstanceKlass.java
! src/share/vm/code/dependencies.cpp
! src/share/vm/oops/instanceKlass.hpp
! src/share/vm/oops/instanceKlassKlass.cpp
! src/share/vm/runtime/vmStructs.cpp