hg: shenandoah/jdk: 2 new changesets

[roman at kennke.org]

Changeset: 1efb74f94b40
Author:    rkennke
Date:      2018-11-08 23:31 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/1efb74f94b40

Cherry-pick: 8213199: GC abstraction for Assembler::needs_explicit_null_check() plus Shenandoah parts

! src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp
! src/hotspot/cpu/arm/macroAssembler_arm.hpp
! src/hotspot/cpu/ppc/macroAssembler_ppc.hpp
! src/hotspot/cpu/s390/macroAssembler_s390.hpp
! src/hotspot/cpu/sparc/macroAssembler_sparc.hpp
! src/hotspot/cpu/x86/macroAssembler_x86.hpp
! src/hotspot/cpu/zero/assembler_zero.hpp
! src/hotspot/os/windows/os_windows.cpp
! src/hotspot/os_cpu/aix_ppc/os_aix_ppc.cpp
! src/hotspot/os_cpu/bsd_x86/os_bsd_x86.cpp
! src/hotspot/os_cpu/linux_aarch64/os_linux_aarch64.cpp
! src/hotspot/os_cpu/linux_arm/os_linux_arm.cpp
! src/hotspot/os_cpu/linux_ppc/os_linux_ppc.cpp
! src/hotspot/os_cpu/linux_s390/os_linux_s390.cpp
! src/hotspot/os_cpu/linux_sparc/os_linux_sparc.cpp
! src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp
! src/hotspot/os_cpu/solaris_sparc/os_solaris_sparc.cpp
! src/hotspot/os_cpu/solaris_x86/os_solaris_x86.cpp
! src/hotspot/share/asm/assembler.cpp
! src/hotspot/share/gc/shared/collectedHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp

Changeset: 939b8d51b0e7
Author:    rkennke
Date:      2018-11-09 10:38 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/939b8d51b0e7

Cherry-pick: 8213473: Replace testB_mem_imm matcher with testUB_mem_imm plus Shenandoah parts

! src/hotspot/cpu/x86/x86_64.ad
! src/hotspot/share/opto/mulnode.cpp