Woah why do they have s390x assembly versions of everything? https://cs.opensource.google/go/go/+/refs/tags/go1.20.2:src/math/exp_s390x.s https://cs.opensource

Woah why do they have s390x assembly versions of everything? https://cs.opensource.google/go/go/+/refs/tags/go1.20.2:src/math/exp_s390x.s https://cs.opensource.google/go/go/+/refs/tags/go1.20.2:src/... That's for a mainframe?