Define intrinsics:
- vfcvt.xu.f.v/vfcvt.x.f.v
- vfcvt.rtz.xu.f.v/vfcvt.rtz.x.f.v
- vfcvt.f.xu.v/vfcvt.f.x.v
We work with @rogfer01 from BSC to come out this patch.
Authored-by: Roger Ferrer Ibanez <rofirrim@gmail.com>
Co-Authored-by: Monk Chiang <monk.chiang@sifive.com>