https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93177
--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> --- Okay, I'll bite. Which of the functions/macros in ppu_intrinsics.h would you find useful? Have you checked whether the implementation is good for your purpose, or if they even are correct (the cntlz ones are not, for example)?