Author Topic: x32 question  (Read 11314 times)

Offline Rob Neff

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Re: x32 question
« Reply #15 on: March 17, 2015, 04:02:51 PM »
Thank you all for the help. Frank, I suspected mov eax,1 and mov rax,1 generated the same code but didn't have a chance to try it. This is a little disconcerting though as it would seem to indicate in 64 bit mode you can't move 32 quantities to named registers like al ah in the old days (different names for different register portions).

See http://www.nasm.us/doc/nasmdo11.html
Specifically Section 11.2


 

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