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[return to "Valve reveals it’s the architect behind a push to bring Windows games to Arm"]
1. the__a+AW2[view] [source] 2025-12-03 18:02:59
>>evolve+(OP)
Does anyone know what the limfac is? The machine code produced is of course different on different CPU arches, but isn't this handled at the compiler level? I.e. lower level than game devs worry about.

The exception I see is if SIMD intrinsics.

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2. jitl+AY2[view] [source] 2025-12-03 18:13:28
>>the__a+AW2
This system allows playing unmodified production x86 executables on arm64. It doesn’t have anything to do with the developers.
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3. the__a+C23[view] [source] 2025-12-03 18:33:44
>>jitl+AY2
That's great, but begs the question: why not just compile the games for ARM?
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4. bigyab+Y63[view] [source] 2025-12-03 18:53:40
>>the__a+C23
...because there are thousands upon thousands of games that will never be compiled for ARM?

Just look at all the "native macOS" games from the 2010s that are completely unplayable on modern Macs. Then look at all the Windows games from the 1990s that are still playable today. That's why.

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