hg: jdk9/sandbox/hotspot: JDK-8054307-branch: Implemented C2 string concatenation optimizations.

[tobias.hartmann at oracle.com]

Changeset: 39b50122c78f
Author:    thartmann
Date:      2015-02-23 14:03 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/39b50122c78f

JDK-8054307-branch: Implemented C2 string concatenation optimizations.

! src/share/vm/ci/ciTypeArray.cpp
! src/share/vm/ci/ciTypeArray.hpp
! src/share/vm/classfile/javaClasses.hpp
! src/share/vm/opto/c2_globals.hpp
! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/graphKit.hpp
! src/share/vm/opto/idealKit.cpp
! src/share/vm/opto/library_call.cpp
! src/share/vm/opto/stringopts.cpp
! src/share/vm/opto/stringopts.hpp