Yes, your program will have different semantics on different architectures. This is already the case with e.g. big vs little endian. But you will be able to rea

Yes, your program will have different semantics on different architectures. This is already the case with e.g. big vs little endian. But you will be able to reason about the program's semantics rather than going "I sure hope there's no UB in here" and throwing your hands up.