// result: (MFVSRD (FCTIWZ x))
	for {
		x := v_0
		v.reset(OpPPC64MFVSRD)
		v0 := b.NewValue0(v.Pos, OpPPC64FCTIWZ, typ.Float64)
		v0.AddArg(x)
		v.AddArg(v0)
		return true
	}
}
func rewriteValuePPC64_OpCvt64Fto64(v *Value) bool {
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (Cvt64Fto64 x)
	// result: (MFVSRD (FCTIDZ x))
	for {
		x := v_0