ollydbg: CMP - what the difference

Question

What is the difference between:

MOV SI,WORD PTR DS:[ESI+0D]

CMP SI,1388

and

CMP WORD PTR DS:[ESI+0d],1388

macro_controller · Answer

I believe they are the same for the given assembly snippet, but in the first snippet, the value of ESI+0D is saved in SI and could be later used again without loading it from the memory additional time.

Answered by macro_controller on July 14, 2021

ollydbg: CMP - what the difference

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