hg: jdk8u/jdk8u-dev/hotspot: 8158232: PPC64: improve byte, int and long array copy stubs by using VSX instructions

[gromero at linux.vnet.ibm.com]

Changeset: 39678a65a0e8
Author:    mhorie
Date:      2019-05-20 16:05 -0400
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/39678a65a0e8

8158232: PPC64: improve byte, int and long array copy stubs by using VSX instructions
Reviewed-by: goetz, mdoerr
Contributed-by: Kazunori Ogata <ogatak at jp.ibm.com>

! src/cpu/ppc/vm/stubGenerator_ppc.cpp