hg: jdk7/hotspot/hotspot: 4 new changesets

[chuck.rasbold at sun.com]

Changeset: 1c6e3bfb543a
Author:    kvn
Date:      2008-09-10 14:29 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/1c6e3bfb543a

6746892: Register Allocator does not process a data phi with one unique input correctly
Summary: Always look for the existing phi for a processed live_range.
Reviewed-by: rasbold

! src/share/vm/opto/reg_split.cpp

Changeset: cecd8eb4e0ca
Author:    kvn
Date:      2008-09-10 18:23 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/cecd8eb4e0ca

6706829: Compressed Oops: add debug info for narrow oops
Summary: Add support for narrow oops in debug info to avoid decoding.
Reviewed-by: rasbold, never

! agent/src/share/classes/sun/jvm/hotspot/code/Location.java
! agent/src/share/classes/sun/jvm/hotspot/runtime/CompiledVFrame.java
! agent/src/share/classes/sun/jvm/hotspot/runtime/VM.java
! agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java
! src/share/vm/code/location.cpp
! src/share/vm/code/location.hpp
! src/share/vm/opto/callnode.cpp
! src/share/vm/opto/compile.cpp
! src/share/vm/opto/output.cpp
! src/share/vm/runtime/stackValue.cpp
! src/share/vm/runtime/vmStructs.cpp

Changeset: c792b641b8bd
Author:    kvn
Date:      2008-09-10 20:44 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/c792b641b8bd

6746907: Improve implicit null check generation
Summary: add missing implicit null check cases.
Reviewed-by: never

! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/lcm.cpp

Changeset: 7484fa4b8825
Author:    rasbold
Date:      2008-09-15 09:58 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/7484fa4b8825

Merge

! src/share/vm/opto/compile.cpp