Summary: fix CPP-interpreter after CheckUnhandledOops was re-enabled in the fastdebug build
Reviewed-by: kvn, dholmes, lfoltan

Reviewed-by: kvn

Summary: Add additional, more verbose syntax checks in adlc. Fix printing constant's problem in format().
Reviewed-by: kvn

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

Summary: added ability in C2 to expand mach nodes to several mach nodes after register allocation
Reviewed-by: kvn

Reviewed-by: coleenp, kvn

Reviewed-by: dholmes, coleenp, sspitsyn

Reviewed-by: dholmes

Reviewed-by: dholmes

Reviewed-by: dholmes