.hi .lo notations

Hiroshi Yamauchi yamauchi at google.com
Fri Dec 4 18:04:28 PST 2009


In PrintOptoAssembly output, I see .hi and .lo notations used for
handling 64 bit long values on 32 bit Linux x86. For example, EAX.hi
or EBP.lo.

I heard that they are aliases to other registers. If so, what are the
exact rules about the aliases?


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