32 bit operation vs 64 bit operation on a 64bit machine/OS

Posted by pat_en on Stack Overflow See other posts from Stack Overflow or by pat_en
Published on 2010-04-06T21:28:22Z Indexed on 2010/04/06 21:33 UTC
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Hi

Which operation i.e a 32 bit operation or a 64 bit operation (like masking a 32 bit flag or a 64 bit flag), would be cheaper on a 64 bit machine?

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