b := v.Block
	typ := &b.Func.Config.Types
	// match: (MTVSRD (MOVDconst [c]))
	// cond: !math.IsNaN(math.Float64frombits(uint64(c)))
	// result: (FMOVDconst [math.Float64frombits(uint64(c))])
	for {
		if v_0.Op != OpPPC64MOVDconst {
			break
		}
		c := auxIntToInt64(v_0.AuxInt)
		if !(!math.IsNaN(math.Float64frombits(uint64(c)))) {
			break
		}
		v.reset(OpPPC64FMOVDconst)