emitPrimOp _      [res] Word2DoubleOp [w] = emitPrimCall [res]
                                            (MO_UF_Conv W64) [w]
emitPrimOp _      [res] Word2DoubleOp [w] = emitPrimCall [res]
                                            (MO_UF_Conv W64) [w]
emitPrimOp _      [res] Word2DoubleOp [w] = emitPrimCall [res]
                                            (MO_UF_Conv W64) [w]