what does the d suffix for register name mean in x86?

Asked Jul 04 '20 at 13:09

Active Jul 04 '20 at 13:23

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I am looking at some assembly, and it seems like sometimes register names have a "d" suffix. i.e. %r15 vs %r15d. What does r15d mean?

edited Jul 04 '20 at 13:23

Michael Petch

asked Jul 04 '20 at 13:09

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