On Thu, Jun 09, 2022 at 09:24:00AM +0800, HAO CHEN GUI wrote: > On 8/6/2022 下午 9:24, Segher Boessenkool wrote: > > But it regresses the code quality generated with -ffast-math (because > > the new unspecs arent't optimised like standard rtl is). This can be > > follow-up work of course -- and the best direction is to make fmin/fmax > > generic, even! :-) > > fmin/max will be folded to MIN/MAX_EXPR when fast-math is set. So the > behavior doesn't change when fast-math is set.
Ah, good. Should we then have an assert that there is no fast-math if we ever get the rtl fmin/fmax stuff? Segher
