On Sat, Jan 13, 2024 at 9:36 PM Ranier Vilela <ranier...@gmail.com> wrote: > > Em ter., 9 de jan. de 2024 às 06:31, John Naylor <johncnaylo...@gmail.com> > escreveu:
>> This just moves an operation from one place to the other, while >> obliterating the explanatory comment, so I don't see an advantage. > > Well, I think that is precisely the case for using memset. > The way initialization is currently done is much slower and harmful to the > branch. > Of course, the gain should be small, but it is fully justified for switching > to memset. We haven't seen any evidence or reasoning for that. Simple rules-of-thumb are not enough.