hg: shenandoah/jdk8u/hotspot: 3 new changesets

[rwestrel at redhat.com]

Changeset: b2bb7520656b
Author:    roland
Date:      2017-08-07 17:56 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/b2bb7520656b

missing barriers on constant oops + acmp rework + cas fix + write barrier on constant oop fix

! src/cpu/x86/vm/x86_64.ad
! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/graphKit.hpp
! src/share/vm/opto/library_call.cpp
! src/share/vm/opto/loopopts.cpp
! src/share/vm/opto/parse2.cpp
! src/share/vm/opto/shenandoahSupport.cpp
! src/share/vm/opto/shenandoahSupport.hpp
! src/share/vm/opto/stringopts.cpp

Changeset: b9b4d4d58eb9
Author:    roland
Date:      2017-08-07 18:01 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/b9b4d4d58eb9

remove useless code following acmp rework

! src/share/vm/opto/subnode.cpp

Changeset: df6268f75ac9
Author:    roland
Date:      2017-08-08 09:42 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/df6268f75ac9

write barrier pin and expand cleanup

! src/share/vm/opto/loopnode.cpp
! src/share/vm/opto/loopnode.hpp
! src/share/vm/opto/shenandoahSupport.cpp
! src/share/vm/opto/shenandoahSupport.hpp