On Wed, Mar 17, 2021 at 09:43:20AM -0400, Waiman Long wrote: > Using gcc 8.4.1, the generated __mutex_lock function has the same size (with > last instruction at offset +5179) with or without this patch. Well, you can > say that this patch is an no-op wrt generated code.
OK, then GCC has gotten better. Because back then I tried really hard but it wouldn't remove the if (ww_ctx) branches unless I had that extra const bool argument.
