On 8/17/20 1:49 AM, frank.ch...@sifive.com wrote: > +DEF_HELPER_6(vfslide1up_vf_h, void, ptr, ptr, i64, ptr, env, i32) > +DEF_HELPER_6(vfslide1up_vf_w, void, ptr, ptr, i64, ptr, env, i32) > +DEF_HELPER_6(vfslide1up_vf_d, void, ptr, ptr, i64, ptr, env, i32) > +DEF_HELPER_6(vfslide1down_vf_h, void, ptr, ptr, i64, ptr, env, i32) > +DEF_HELPER_6(vfslide1down_vf_w, void, ptr, ptr, i64, ptr, env, i32) > +DEF_HELPER_6(vfslide1down_vf_d, void, ptr, ptr, i64, ptr, env, i32)
You shouldn't need any new helpers. The fp scalar argument can be passed to the existing helpers. The manual doesn't explicitly say, but I assume the fp scalar needs to be nan-boxed (for sew > flen), or checked (for sew < flen), just like the scalar move instructions. r~
