hg: jdk9/hs/hotspot: 8170991: PPC64: Bad code for initialization of short arrays

[martin.doerr at sap.com]

Changeset: 545ddc149651
Author:    mdoerr
Date:      2016-12-14 10:28 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/545ddc149651

8170991: PPC64: Bad code for initialization of short arrays
Summary: Implement special ClearArray nodes to improve initialization.
Reviewed-by: goetz

! src/cpu/ppc/vm/c1_MacroAssembler_ppc.cpp
! src/cpu/ppc/vm/globals_ppc.hpp
! src/cpu/ppc/vm/macroAssembler_ppc.cpp
! src/cpu/ppc/vm/macroAssembler_ppc.hpp
! src/cpu/ppc/vm/ppc.ad