It’s worth remembering the x86 emulation on Apple Silicon is as good as it is (reportedly better than most other x86-on-ARM efforts) in part due to CPU features Apple added to the host platform for that explicit purpose, from memory ordering[1,2] to obscure flag bits[3].

[1] https://news.ycombinator.com/item?id=28731534

[2] https://github.com/saagarjha/TSOEnabler

[3] https://news.ycombinator.com/item?id=33635720