hg: jdk/sandbox: 8210887: Tweak C2 gc api for arraycopy

[chris.hegarty at oracle.com]

Changeset: 2ef304ee001d
Author:    roland
Date:      2018-09-28 10:42 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/2ef304ee001d

8210887: Tweak C2 gc api for arraycopy
Reviewed-by: kvn, thartmann

! src/hotspot/share/gc/shared/c2/barrierSetC2.cpp
! src/hotspot/share/gc/shared/c2/barrierSetC2.hpp
! src/hotspot/share/gc/shared/c2/cardTableBarrierSetC2.cpp
! src/hotspot/share/gc/shared/c2/cardTableBarrierSetC2.hpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp
! src/hotspot/share/opto/arraycopynode.cpp
! src/hotspot/share/opto/arraycopynode.hpp
! src/hotspot/share/opto/library_call.cpp
! src/hotspot/share/opto/macroArrayCopy.cpp