hg: jdk9/hs-rt/hotspot: 8135018: AARCH64: Missing memory barriers for CMS collector

[thomas.schatzl at oracle.com]

Changeset: 91c907c47794
Author:    aph
Date:      2015-09-24 12:04 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/91c907c47794

8135018: AARCH64: Missing memory barriers for CMS collector
Summary: Add StoreStore barrier when CMS needs them
Reviewed-by: tschatzl

! src/cpu/aarch64/vm/macroAssembler_aarch64.cpp
! src/cpu/aarch64/vm/stubGenerator_aarch64.cpp
! src/share/vm/c1/c1_LIRGenerator.cpp