On Fri, Aug 15, 2025 at 11:34:56AM -0500, Segher Boessenkool wrote: > On Thu, Aug 07, 2025 at 03:16:35PM +0530, Madhavan Srinivasan wrote: > > making them eligible for compiler optimization. > > You can instead use GCC for this. __builtin_ffs () exists since 2003, Erm, 1992 actually, but stuff has moved around since then :-) > and has this attribute built-in, as well as tens of other optimisations > that the kernel thing misses. > > Of course using existing stuff instead of cobbling together something > half working prevents you from having a lot of fun ;-) Segher
