Really? So how does a 32 bit CPU run 64 bit code? | Hacker News

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		DanielShir on Sept 4, 2017 \| parent \| context \| favorite \| on: Summary of the 2038 BoF at DC17 Really? So how does a 32 bit CPU run 64 bit code?

Roshie5u on Sept 4, 2017 [–]

It doesn't run 64bit code but that has nothing to do with handling 64bit numbers. Compiler just generates more instructions (and the execution is slower). Example for multiplication: https://godbolt.org/g/m1t4NC

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