See https://bugs.libre-soc.org/show_bug.cgi?id=632#c0 for description This covers from commit: commit a41da3eb0e852bc71cf5e468f0b399da69fe0647 Author: Jacob Lifshay <programmerjake@gmail.com> Date: Fri Apr 30 19:43:59 2021 -0700 working on code to commit: commit a43a29ccd5824b9b6dcb45baa3ccb3f8c5ea72e1 Author: Jacob Lifshay <programmerjake@gmail.com> Date: Thu May 27 21:04:01 2021 -0700 add sqrt_fast_f16/f32/f64