On 14-Mar 14:32, Peter Zijlstra wrote: > On Thu, Mar 14, 2019 at 12:13:15PM +0000, Patrick Bellasi wrote: > > > I'd be most impressed if they pull this off. Check the generated code > > > and see I suppose :-) > > > > On x86 the code generated looks exactly the same: > > > > https://godbolt.org/z/PjmA7k > > Argh, they do mult by inverse to avoid the division, and can do this > because its a constant. > > And then yes, your arm version looks worse. your "arm version" is worst then x86, or "your version" is worse? IOW, should I keep the code as the original? Do you prefer your version? Or... we don't really care... > It does what I expected with -Os, but as Rutland said the other day, > that stands for Optimize for Sadness. Yes, I guess we cannot optimize for all flags... however, just let me know what you prefer and I'll put that version in ;) -- #include <best/regards.h> Patrick Bellasi
