hg: jdk10/hs/hotspot: 8185969: PPC64: Improve VSR support to use up to 64 registers

[martin.doerr at sap.com]

Changeset: 9a30434bd193
Author:    mdoerr
Date:      2017-08-14 16:48 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/9a30434bd193

8185969: PPC64: Improve VSR support to use up to 64 registers
Reviewed-by: mdoerr, goetz
Contributed-by: Gustavo Serra Scalet <gustavo.scalet at eldorado.org.br>

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