I would have to imagine you mean x86-64 right? I would imagine 32bit x86 doesn’t have those instructions? I’m also kind of curious if a lot of modern code comp

I would have to imagine you mean x86-64 right? I would imagine 32bit x86 doesn’t have those instructions? I’m also kind of curious if a lot of modern code compiled to x86 would see consistency issues running on old CPUs before TSO was formalized (like a p2 multiprocessor server).