From what I've understood of this - it's transpiling the x86 code to ARM on the fly. I honestly would have thought it wasn't possible but hearing that they're doing it - it will be a monumental effort, but very feasible. The best part is that once they've gotten CRT and cdecl instructions working - actual application support won't be far behind. The biggest challenge will likely be inserting memory barriers correctly - a spinlock implemented in x86 assembly is highly unlikely to work correctly without a lot of effort to recognize and transpile that specific structure as a whole.
this post was submitted on 23 Sep 2024
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There is an open source project that already does this a bit called box86 and box64.
I think you can find videos of people running Skyrim on arm chips like phones or maybe raspberry pi 5.
They don’t run well, but with more powerful chips and valves experience and money, I’m sure they can do it.
But does it run Doom? Using CMOV instructions only?
I mentioned this on a related article already but it'd be interesting to see an ARM Steamdeck after seeing the performance and battery life of the Apple desktop chips. I think gaming will eventually go the way of ARM.