again2:
	if q0 >= b || q0*vn0 > b*rhat+un0 {
		q0--
		rhat += vn1
		if rhat < b {
			goto again2
		}
	}

	return q1*b + q0, (un21*b + un0 - q0*v) >> s
}

func fadd32(x, y uint32) uint32 {
	return f64to32(fadd64(f32to64(x), f32to64(y)))
}

func fmul32(x, y uint32) uint32 {
	return f64to32(fmul64(f32to64(x), f32to64(y)))
}

func fdiv32(x, y uint32) uint32 {

	test32()
	test64()
}

func test32() {
	var a uint32 = 0x11111111
	var want, got uint32
	if want, got = a+c32a, add32a(a); got != want {
		panic(fmt.Sprintf("add32a(%x) = %x, want %x", a, got, want))
	}
	if want, got = a+c32s, add32s(a); got != want {
		panic(fmt.Sprintf("add32s(%x) = %x, want %x", a, got, want))
	}
	if want, got = a-c32a, sub32a(a); got != want {

	softFloatOps = map[ssa.Op]sfRtCallDef{
		ssa.OpAdd32F: {typecheck.LookupRuntimeFunc("fadd32"), types.TFLOAT32},
		ssa.OpAdd64F: {typecheck.LookupRuntimeFunc("fadd64"), types.TFLOAT64},
		ssa.OpSub32F: {typecheck.LookupRuntimeFunc("fadd32"), types.TFLOAT32},
		ssa.OpSub64F: {typecheck.LookupRuntimeFunc("fadd64"), types.TFLOAT64},
		ssa.OpMul32F: {typecheck.LookupRuntimeFunc("fmul32"), types.TFLOAT32},

func ExampleAdd32() {
	// First number is 33<<32 + 12
	n1 := []uint32{33, 12}
	// Second number is 21<<32 + 23
	n2 := []uint32{21, 23}
	// Add them together without producing carry.
	d1, carry := bits.Add32(n1[1], n2[1], 0)
	d0, _ := bits.Add32(n1[0], n2[0], carry)
	nsum := []uint32{d0, d1}
	fmt.Printf("%v + %v = %v (carry bit was %v)\n", n1, n2, nsum, carry)

	// First number is 1<<32 + 2147483648
	n1 = []uint32{1, 0x80000000}

// (x-C) to (x+(-C)).

// x + (C + z) -> C + (x + z)
(Add64 (Add64 i:(Const64 <t>) z) x) && (z.Op != OpConst64 && x.Op != OpConst64) => (Add64 i (Add64 <t> z x))
(Add32 (Add32 i:(Const32 <t>) z) x) && (z.Op != OpConst32 && x.Op != OpConst32) => (Add32 i (Add32 <t> z x))
(Add16 (Add16 i:(Const16 <t>) z) x) && (z.Op != OpConst16 && x.Op != OpConst16) => (Add16 i (Add16 <t> z x))

	uaddr := uintptr(unsafe.Pointer(addr))
	addr32 := (*uint32)(unsafe.Pointer(uaddr &^ 3))
	word := uint32(v) << ((uaddr & 3) * 8) // little endian
	for {
		old := *addr32
		if Cas(addr32, old, old|word) {
			return
		}
	}
}

//go:nosplit
func And8(addr *uint8, v uint8) {
	// Align down to 4 bytes and use 32-bit CAS.
	uaddr := uintptr(unsafe.Pointer(addr))
	addr32 := (*uint32)(unsafe.Pointer(uaddr &^ 3))

(Mul64 x y) =>
	(Int64Make
		(Add32 <typ.UInt32>
			(Mul32 <typ.UInt32> (Int64Lo x) (Int64Hi y))
			(Add32 <typ.UInt32>
				(Mul32 <typ.UInt32> (Int64Hi x) (Int64Lo y))
				(Select0 <typ.UInt32> (Mul32uhilo (Int64Lo x) (Int64Lo y)))))
		(Select1 <typ.UInt32> (Mul32uhilo (Int64Lo x) (Int64Lo y))))

(And64 x y) =>
	(Int64Make
		(And32 <typ.UInt32> (Int64Hi x) (Int64Hi y))
		(And32 <typ.UInt32> (Int64Lo x) (Int64Lo y)))

  // CHECK-NEXT: %[[ADDN2:.*]] = "tf.AddN"(%[[ADDN]], %[[ZEROS_LIKE]]) : (tensor<10xf32>, tensor<10xf32>) -> tensor<10xf32>
  %addn2 = "tf.AddN"(%addn, %zeros-like) : (tensor<!tf_type.variant<tensor<f32>>>, tensor<!tf_type.variant<tensor<f32>>>) -> tensor<!tf_type.variant<tensor<f32>>>
  %stack = "tf.TensorListStack"(%addn2, %elem_shape) : (tensor<!tf_type.variant<tensor<f32>>>, tensor<0xi32>) -> tensor<10xf32>

	inf := 1.0 / zero
	negZero := -1 / inf
	if 1/neg64(negZero) != inf {
		panic("-negZero != posZero (64 bit)")
	}
}

//go:noinline
func add32(x float32) float32 {
	return x + 0
}

func testAdd32() {
	var zero float32
	inf := 1.0 / zero
	negZero := -1 / inf
	if 1/add32(negZero) != inf {
		panic("negZero+0 != posZero (32 bit)")
	}
}

//go:noinline
func sub32(x float32) float32 {
	return x - 0
}

					continue
				}
				v.reset(OpAdd32)
				v.AddArg2(y, z)
				return true
			}
		}
		break
	}
	// match: (Add32 (Add32 i:(Const32 <t>) z) x)
	// cond: (z.Op != OpConst32 && x.Op != OpConst32)
	// result: (Add32 i (Add32 <t> z x))
	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
			if v_0.Op != OpAdd32 {
				continue
			}
			_ = v_0.Args[1]