I'll bring it up with some folks. It probably won't change much because the z13 transition has finished by now. It's still good to know because RISC-V is in the

I'll bring it up with some folks. It probably won't change much because the z13 transition has finished by now. It's still good to know because RISC-V is in the same boat regarding Highway support today: we need scalar fallback in Highway until we get RVA23 hardware deployed.