hg: jdk-updates/jdk11u-dev: 4 new changesets

[shade at redhat.com]

Changeset: 616976ac20be
Author:    roland
Date:      2018-08-22 10:29 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/616976ac20be

8209691: Allow MemBar on single memory slice
Reviewed-by: kvn, vlivanov

! src/hotspot/share/adlc/formssel.cpp
! src/hotspot/share/adlc/formssel.hpp
! src/hotspot/share/adlc/output_c.cpp
! src/hotspot/share/adlc/output_h.cpp
! src/hotspot/share/opto/machnode.cpp
! src/hotspot/share/opto/machnode.hpp
! src/hotspot/share/opto/matcher.cpp
! src/hotspot/share/opto/node.hpp

Changeset: aa5da734f27f
Author:    pliden
Date:      2019-01-09 13:31 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/aa5da734f27f

8215708: ZGC: Add missing LoadBarrierNode::size_of()
Reviewed-by: eosterlund, neliasso

! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp

Changeset: 68a0a8b52989
Author:    neliasso
Date:      2019-01-09 15:36 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/68a0a8b52989

8215755: ZGC: split_barrier_thru_phi: check number of inputs of phi
Reviewed-by: pliden, thartmann

! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp

Changeset: 161e95741d67
Author:    thartmann
Date:      2019-08-13 09:54 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/161e95741d67

8228772: C2 compilation fails due to unschedulable graph if DominatorSearchLimit is reached
Summary: Ignore membar if the load is already control dependent on it.
Reviewed-by: neliasso, kvn

! src/hotspot/share/opto/gcm.cpp
+ test/hotspot/jtreg/compiler/controldependency/TestAntiDependentMembar.java