On Fri, Oct 23, 2020 at 09:13:22AM -0700, Linus Torvalds wrote: > On Fri, Oct 23, 2020 at 8:58 AM Luc Van Oostenryck > <luc.vanoostenryck@xxxxxxxxx> wrote: > > > > Some unsigned compares against 0 are always true or always false > > (x < 0 or x >= 0). Simplify them. > > Fair enough, but if you're simplifying compares, one of the more > important simplifications is to make the compare unsigned in the first > place. > > ... > > Another comparison simplification often worth doing is to do cast > simplification, ie > > ((cast) X cmpop Y) Yes, these seem quite easy with a nice return rate. I've a lot of pending, uncompleted topic branches (which I'm currently trying to polish and upstream, hence the apparent lack of a direction line) but I don't think I've anything for these. I'll look at them soon. -- Luc
