https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97005
--- Comment #7 from Tom de Vries <vries at gcc dot gnu.org> --- (In reply to Tom de Vries from comment #6) > (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. Um, sorry, I misremembered, that's not true, it does exist, but it's very restricted: mostly ld, st, and cvt. So the sub insn doesn't exist in a u8 mode.
