hg: jdk8u/jdk8u-dev/hotspot: 8154156: PPC64: improve array copy stubs by using vector instructions

[gromero at linux.vnet.ibm.com]

Changeset: 6eedcffa129d
Author:    gromero
Date:      2019-04-24 11:48 -0400
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/6eedcffa129d

8154156: PPC64: improve array copy stubs by using vector instructions
Reviewed-by: goetz, mdoerr
Contributed-by: Kazunori Ogata <ogatak at jp.ibm.com>

! src/cpu/ppc/vm/assembler_ppc.hpp
! src/cpu/ppc/vm/assembler_ppc.inline.hpp
! src/cpu/ppc/vm/globals_ppc.hpp
! src/cpu/ppc/vm/register_ppc.cpp
! src/cpu/ppc/vm/register_ppc.hpp
! src/cpu/ppc/vm/stubGenerator_ppc.cpp
! src/cpu/ppc/vm/vm_version_ppc.cpp
! src/cpu/ppc/vm/vm_version_ppc.hpp