On Wed, Jun 08, 2022 at 11:28:11AM +0800, HAO CHEN GUI wrote: > This patch implements optab f[min/max]_optab by xs[min/max]dp on rs6000. > Tests show that outputs of xs[min/max]dp are consistent with the standard > of C99 fmin/max.
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! :-) Segher