return false
}
func rewriteValueMIPS64_OpLsh16x16(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (Lsh16x16 <t> x y)
	// result: (AND (NEGV <t> (SGTU (MOVVconst <typ.UInt64> [64]) (ZeroExt16to64 y))) (SLLV <t> x (ZeroExt16to64 y)))
	for {
		t := v.Type
		x := v_0
		y := v_1
		v.reset(OpMIPS64AND)
		v0 := b.NewValue0(v.Pos, OpMIPS64NEGV, t)

			if !(is32Bit(c) && !t.IsPtr()) {
				continue
			}
			v.reset(OpLOONG64ADDVconst)
			v.AuxInt = int64ToAuxInt(c)
			v.AddArg(x)
			return true
		}
		break
	}
	// match: (ADDV x (NEGV y))
	// result: (SUBV x y)
	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
			x := v_0
			if v_1.Op != OpLOONG64NEGV {
				continue
			}
			y := v_1.Args[0]