hg: jdk9/hs-comp/hotspot: 8073480: C2 should optimize explicit range checks

[roland.westrelin at oracle.com]

Changeset: f5fae6f265e2
Author:    roland
Date:      2015-03-17 10:06 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/f5fae6f265e2

8073480: C2 should optimize explicit range checks
Summary: explicit range checks should be recognized by C2
Reviewed-by: kvn, vlivanov

! src/share/vm/oops/methodData.cpp
! src/share/vm/oops/methodData.hpp
! src/share/vm/opto/cfgnode.hpp
! src/share/vm/opto/ifnode.cpp
! src/share/vm/opto/loopopts.cpp
! src/share/vm/opto/macro.cpp
! src/share/vm/opto/multnode.cpp
! src/share/vm/opto/multnode.hpp
! src/share/vm/opto/node.cpp
! src/share/vm/opto/node.hpp
! src/share/vm/opto/subnode.hpp
! src/share/vm/runtime/deoptimization.cpp
! src/share/vm/runtime/deoptimization.hpp
! src/share/vm/runtime/vmStructs.cpp
! src/share/vm/utilities/globalDefinitions.hpp
+ test/compiler/rangechecks/TestExplicitRangeChecks.java