64 bit types on 32 bit machines

February 6th, 2004 at 12:38 pm

I wonder how 64 bit types are implemented on 32 bit machines (for instance __int64). When I have two 64-bit ints A and B, what does A & B do (bitwise AND). Does it break them to 32-bit parts, ANDs them separately and glues back ? So how does shifting work ?

Hmm…

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