pprInstr (CVTSS2SD from to)      = pprRegReg (sLit "cvtss2sd") from to
pprInstr (CVTSS2SD from to)      = pprRegReg (sLit "cvtss2sd") from to
pprInstr (CVTSS2SD from to)      = pprRegReg (sLit "cvtss2sd") from to