Yes but they consider the additional semantics a mistake: "we strongly recommend that you specify /volatile:iso, and use explicit synchronization primitives an

Yes but they consider the additional semantics a mistake: "we strongly recommend that you specify /volatile:iso, and use explicit synchronization primitives and compiler intrinsics when you are dealing with memory that is shared across threads." /volatile:iso is the default for ARM as the extended semantics would be extremely penalising.