>I expect all future Linux cores to have it All RVA22 profile cores will, as RVA22 requires B extension. >Sifive p650 will have it Current versions of U74 al

>I expect all future Linux cores to have it All RVA22 profile cores will, as RVA22 requires B extension. >Sifive p650 will have it Current versions of U74 also have it. And a U74 with B is already shipping in VisionFive 2.