emitPrimOp dflags [res] PopCntOp   [w] = emitPopCntCall res w (wordWidth dflags)
emitPrimOp dflags [res] PopCntOp   [w] = emitPopCntCall res w (wordWidth dflags)
emitPrimOp dflags [res] PopCntOp   [w] = emitPopCntCall res w (wordWidth dflags)