hg: shenandoah/jdk8u/hotspot: 5 new changesets

[rwestrel at redhat.com]

Changeset: 52fb36602ecb
Author:    roland
Date:      2017-02-16 15:16 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/52fb36602ecb

in cset fast test in C2 IR

! src/cpu/aarch64/vm/stubGenerator_aarch64.cpp
! src/cpu/x86/vm/stubGenerator_x86_64.cpp
! src/share/vm/gc_implementation/shenandoah/shenandoah_globals.hpp
! src/share/vm/opto/loopnode.hpp
! src/share/vm/opto/shenandoahSupport.cpp

Changeset: d3495160a06b
Author:    roland
Date:      2017-02-16 17:02 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/d3495160a06b

pre barrier for scalarized objects should be removed

! src/share/vm/opto/callnode.cpp
! src/share/vm/opto/callnode.hpp
! src/share/vm/opto/cfgnode.hpp
! src/share/vm/opto/compile.cpp
! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/ifnode.cpp
! src/share/vm/opto/macro.cpp
! src/share/vm/opto/macro.hpp
! src/share/vm/opto/memnode.cpp
! src/share/vm/opto/node.cpp
! src/share/vm/opto/node.hpp
! src/share/vm/opto/phaseX.cpp
! src/share/vm/opto/superword.cpp

Changeset: 4666aea197d4
Author:    roland
Date:      2017-02-16 17:06 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/4666aea197d4

Fixes to write barrier expansion

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

Changeset: 2b9f9739a2e4
Author:    roland
Date:      2017-02-16 14:25 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/2b9f9739a2e4

Null check object parameter of unsafe access even if it's known to be non null

! src/share/vm/opto/library_call.cpp
+ test/gc/shenandoah/compiler/TestMaybeNullUnsafeAccess.java

Changeset: 8d92142d6f87
Author:    roland
Date:      2017-02-16 17:46 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/8d92142d6f87

g1 marking load can be either a int or boolean load

! src/share/vm/opto/memnode.hpp