hg: jdk7/hotspot/hotspot: 4 new changesets

[igor.veresov at sun.com]

Changeset: 7c57aead6d3e
Author:    never
Date:      2009-11-12 09:24 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/7c57aead6d3e

6892658: C2 should optimize some stringbuilder patterns
Reviewed-by: kvn, twisti

! src/share/vm/ci/ciEnv.cpp
! src/share/vm/ci/ciEnv.hpp
! src/share/vm/ci/ciInstanceKlass.cpp
! src/share/vm/ci/ciInstanceKlass.hpp
! src/share/vm/ci/ciObjectFactory.cpp
! src/share/vm/classfile/systemDictionary.hpp
! src/share/vm/classfile/vmSymbols.cpp
! src/share/vm/classfile/vmSymbols.hpp
! src/share/vm/includeDB_compiler2
! src/share/vm/includeDB_core
! src/share/vm/memory/universe.cpp
! src/share/vm/memory/universe.hpp
! src/share/vm/opto/c2_globals.cpp
! src/share/vm/opto/c2_globals.hpp
! src/share/vm/opto/callGenerator.cpp
! src/share/vm/opto/callGenerator.hpp
! src/share/vm/opto/callnode.cpp
! src/share/vm/opto/callnode.hpp
! src/share/vm/opto/compile.cpp
! src/share/vm/opto/compile.hpp
! src/share/vm/opto/doCall.cpp
! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/graphKit.hpp
! src/share/vm/opto/macro.cpp
! src/share/vm/opto/memnode.cpp
! src/share/vm/opto/node.hpp
! src/share/vm/opto/parseHelper.cpp
! src/share/vm/opto/phase.hpp
! src/share/vm/opto/phaseX.hpp
+ src/share/vm/opto/stringopts.cpp
+ src/share/vm/opto/stringopts.hpp
! src/share/vm/opto/type.hpp
! src/share/vm/runtime/globals.cpp
! src/share/vm/runtime/globals_extension.hpp
! src/share/vm/utilities/growableArray.hpp

Changeset: bd12fff78df5
Author:    cfang
Date:      2009-11-25 12:09 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/bd12fff78df5

6904191: OptimizeStringConcat should be product instead of experimental
Summary: Make OptimizeStringConcat a product VM option(contributed by never)
Reviewed-by: never

! src/share/vm/opto/c2_globals.hpp

Changeset: facbc74580c3
Author:    iveresov
Date:      2009-12-01 22:11 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/facbc74580c3

Merge

! src/share/vm/classfile/systemDictionary.hpp

Changeset: 8b22f86d1740
Author:    cfang
Date:      2009-12-02 13:29 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/8b22f86d1740

6901572: JVM 1.6.16 crash on loops: assert(has_node(i),"")
Summary: Skip the secondary induction variable handling if it is dead
Reviewed-by: never, kvn

! src/share/vm/opto/loopnode.cpp
+ test/compiler/6901572/Test.java