hg: jdk9/hs-comp/hotspot: 8032656: Tag the MachSpillCopies with purpose information

[niclas.adlertz at oracle.com]

Changeset: 04e7587c97dc
Author:    adlertz
Date:      2014-02-25 14:09 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/04e7587c97dc

8032656: Tag the MachSpillCopies with purpose information
Summary: Subclassed the MachSpillCopyNode with different subnodes for different spill purposes to enhance debugging / visualization
Reviewed-by: kvn, roland

! src/share/vm/opto/chaitin.cpp
! src/share/vm/opto/chaitin.hpp
! src/share/vm/opto/coalesce.cpp
! src/share/vm/opto/machnode.hpp
! src/share/vm/opto/reg_split.cpp