if !n.Valid {
		return nil, nil
	}
	return int64(n.Int32), nil
}

// NullInt16 represents an int16 that may be null.
// NullInt16 implements the [Scanner] interface so
// it can be used as a scan destination, similar to [NullString].
type NullInt16 struct {
	Int16 int16
	Valid bool // Valid is true if Int16 is not NULL
}

// Scan implements the [Scanner] interface.
func (n *NullInt16) Scan(value any) error {

		{name: "DIVL", argLength: 2, reg: gp11div, typ: "(Int32,Int32)", asm: "IDIVL", aux: "Bool", clobberFlags: true},
		{name: "DIVW", argLength: 2, reg: gp11div, typ: "(Int16,Int16)", asm: "IDIVW", aux: "Bool", clobberFlags: true},
		{name: "DIVQU", argLength: 2, reg: gp11div, typ: "(UInt64,UInt64)", asm: "DIVQ", clobberFlags: true},

		v.AddArg(x)
		return true
	}
	// match: (MOVHreg (MOVVconst [c]))
	// result: (MOVVconst [int64(int16(c))])
	for {
		if v_0.Op != OpLOONG64MOVVconst {
			break
		}
		c := auxIntToInt64(v_0.AuxInt)
		v.reset(OpLOONG64MOVVconst)
		v.AuxInt = int64ToAuxInt(int64(int16(c)))
		return true
	}
	return false
}
func rewriteValueLOONG64_OpLOONG64MOVHstore(v *Value) bool {

	// cond: c >= 0 && int64(int16(c)) == c
	// result: x
	for {
		x := v_0
		if x.Op != OpRISCV64ANDI {
			break
		}
		c := auxIntToInt64(x.AuxInt)
		if !(c >= 0 && int64(int16(c)) == c) {
			break
		}
		v.copyOf(x)
		return true
	}
	// match: (MOVHreg (MOVDconst [c]))
	// result: (MOVDconst [int64(int16(c))])
	for {
		if v_0.Op != OpRISCV64MOVDconst {

		v.AddArg(x)
		return true
	}
	// match: (MOVHreg (MOVVconst [c]))
	// result: (MOVVconst [int64(int16(c))])
	for {
		if v_0.Op != OpMIPS64MOVVconst {
			break
		}
		c := auxIntToInt64(v_0.AuxInt)
		v.reset(OpMIPS64MOVVconst)
		v.AuxInt = int64ToAuxInt(int64(int16(c)))
		return true
	}
	return false
}
func rewriteValueMIPS64_OpMIPS64MOVHstore(v *Value) bool {

		v.AddArg(x)
		return true
	}
	// match: (MOVHreg (MOVWconst [c]))
	// result: (MOVWconst [int32(int16(c))])
	for {
		if v_0.Op != OpMIPSMOVWconst {
			break
		}
		c := auxIntToInt32(v_0.AuxInt)
		v.reset(OpMIPSMOVWconst)
		v.AuxInt = int32ToAuxInt(int32(int16(c)))
		return true
	}
	return false
}
func rewriteValueMIPS_OpMIPSMOVHstore(v *Value) bool {
	v_2 := v.Args[2]

		case 1:
			P[off] = byte(int8(o))
		case 2:
			if (rt == objabi.R_PCREL || rt == objabi.R_CALL) && o != int64(int16(o)) {
				st.err.Errorf(s, "pc-relative relocation address for %s is too big: %#x", ldr.SymName(rs), o)
			} else if o != int64(int16(o)) && o != int64(uint16(o)) {
				st.err.Errorf(s, "non-pc-relative relocation address for %s is too big: %#x", ldr.SymName(rs), uint64(o))
			}

uint32      the set of all unsigned 32-bit integers (0 to 4294967295)
uint64      the set of all unsigned 64-bit integers (0 to 18446744073709551615)

int8        the set of all signed  8-bit integers (-128 to 127)
int16       the set of all signed 16-bit integers (-32768 to 32767)
int32       the set of all signed 32-bit integers (-2147483648 to 2147483647)
int64       the set of all signed 64-bit integers (-9223372036854775808 to 9223372036854775807)

	19: {From: 0x164, To: 0x4b},
}

// m49 maps regionIDs to UN.M49 codes. The first isoRegionOffset entries are
// codes indicating collections of regions.
// Size: 718 bytes, 359 elements
var m49 = [359]int16{
	// Entry 0 - 3F
	0, 1, 2, 3, 5, 9, 11, 13,
	14, 15, 17, 18, 19, 21, 29, 30,
	34, 35, 39, 53, 54, 57, 61, 142,
	143, 145, 150, 151, 154, 155, 202, 419,
	958, 0, 20, 784, 4, 28, 660, 8,

		{NullInt32{222, false}, 1, NullInt32{0, false}},
		{0, NullInt32{31, false}, nil},
	}}
	nullTestRun(t, spec)
}

func TestNullInt16Param(t *testing.T) {
	spec := nullTestSpec{"nullint16", "int16", [6]nullTestRow{
		{NullInt16{31, true}, 1, NullInt16{31, true}},
		{NullInt16{-22, false}, 1, NullInt16{0, false}},
		{22, 1, NullInt16{22, true}},
		{NullInt16{33, true}, 1, NullInt16{33, true}},