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Re:ARM or x86? ISA Doesn’t Matter by audunw on Monday May 15, 2023 @08:08AM (#35946913)
Exactly, they added an flag to enable total store ordering to help x86 instructions map cleanly to ARM instruction.

https://twitter.com/ErrataRob/status/1331735383193903104

Considering how fast Apple M series can emulate x86 it's clearly not worth adding much more hardware than what they have now.

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