insn_wsbh
[insn_wsbh] = {M(mm_pool32a_op, 0, 0, 0, mm_wsbh_op, mm_pool32axf_op), RT | RS},
[insn_wsbh] = {M(spec3_op, 0, 0, 0, wsbh_op, bshfl_op), RT | RD},