hg: jdk/hs: 8186027: C2: loop strip mining

[vladimir.kozlov at oracle.com]

Changeset: f913f6dba2d3
Author:    roland
Date:      2017-11-28 11:59 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/f913f6dba2d3

8186027: C2: loop strip mining
Reviewed-by: kvn, neliasso

! src/hotspot/share/gc/g1/g1Arguments.cpp
! src/hotspot/share/opto/c2_globals.hpp
! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/classes.hpp
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/ifnode.cpp
! src/hotspot/share/opto/loopPredicate.cpp
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/loopUnswitch.cpp
! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/loopopts.cpp
! src/hotspot/share/opto/macro.cpp
! src/hotspot/share/opto/node.hpp
! src/hotspot/share/opto/superword.cpp
! src/hotspot/share/runtime/arguments.cpp
! test/hotspot/jtreg/compiler/loopopts/UseCountedLoopSafepointsTest.java