Re:Branch predictor: How many “if”s are too many?
by colejohnson66 on Thursday May 06, 2021 @05:11PM
(#27069089)
It’s just a two byte NOP. IIRC, it’s Intel’s recommended form for one of that length. Windows uses it for hot patching,[0], but I can’t imagine that’s the reason here.
[0]: https://devblogs.microsoft.com/oldnewthing/20110921-00/?p=95...