https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97005
--- Comment #6 from Tom de Vries <vries at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #5) > What about u16.u8, u32.u8 and u64.u8 zero extensions? ptx has no .u8 registers, so there's no straightforward translation of the example.