On 09/01/2021 20:52, Chaitanya Kulkarni wrote: > On 1/9/21 12:40, Pavel Begunkov wrote: >> I expect you won't find any, but such little things can pile up >> into a not-easy-to-spot overhead over time. > > That is what I suspected with the resulting assembly. The commit log > needs to document that there is no direct impact on the performance It's obvious that 3-4 extra mov $0 off(%reg) won't change performance but still hasn't been formally confirmed ... > which can be seen with this patch, but this is nice to have ... so if you don't mind, I won't be resending just for that. -- Pavel Begunkov
