8024921: PPC64 (part 113): Extend Load and Store nodes to know about memory ordering Summary: Add a field to C2 LoadNode and StoreNode classes which indicates whether the load/store should do an acquire/release on platforms which support it. Reviewed-by: kvn

8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation Summary: added ability in C2 to expand mach nodes to several mach nodes after register allocation Reviewed-by: kvn

8027968: Adapt PPC to 8024927: Nashorn performance regression with CompressedOops Reviewed-by: coleenp, kvn

8027969: Adapt PPC to 8026328: Setting a breakpoint on invokedynamic crashes the JVM Reviewed-by: dholmes, coleenp, sspitsyn

8027966: Adapt PPC to 8023657: New type profiling points: arguments to call Reviewed-by: dholmes

8027965: Adapt PPC to 8015107: NPG: Use consistent naming for metaspace concepts Reviewed-by: dholmes

8027964: Adapt PPC to 6843347: Boundary values in some public GC options cause crashes Reviewed-by: dholmes

Merge