func TestFloatConvert(t *testing.T) {
	if got := cvt1(3.5); got != 3 {
		t.Errorf("cvt1 got %d, wanted 3", got)
	}
	if got := cvt2(3.5); got != 3 {
		t.Errorf("cvt2 got %d, wanted 3", got)
	}
	if got := cvt3(3.5); got != 3 {
		t.Errorf("cvt3 got %d, wanted 3", got)
	}
	if got := cvt4(3.5); got != 3 {
		t.Errorf("cvt4 got %d, wanted 3", got)
	}
	if got := cvt5(3.5); got != 3 {
		t.Errorf("cvt5 got %d, wanted 3", got)

	}
	v.AddArg(a)

	cvt := v.Block.NewValue1(v.Pos, OpCvtBoolToUint8, v.Block.Func.Config.Types.UInt8, a)
	switch v.Type.Size() {
	case 1:
		v.reset(OpCopy)
	case 2:
		v.reset(OpZeroExt8to16)
	case 4:
		v.reset(OpZeroExt8to32)
	case 8:
		v.reset(OpZeroExt8to64)
	default:
		v.Fatalf("bad int size %d", v.Type.Size())
	}
	v.AddArg(cvt)

	f := b0.Func
	if f.pass.debug > 0 {

	two512  = two256 * two256
	two768  = two512 * two256
	two1024 = two512 * two512

	ulp32 = two128 / two24
	max32 = two128 - ulp32

	ulp64 = two1024 / two53
	max64 = two1024 - ulp64
)

var cvt = []struct {
	bits   uint64 // keep us honest
	exact  interface{}
	approx interface{}
	text   string
}{
	// 0
	{0x7f7ffffe, float32(max32 - ulp32), float32(max32 - ulp32 - ulp32/2), "max32 - ulp32 - ulp32/2"},

000000c0  c1 8a a9 51 24 20 86 dc  99 ac d2 28 af 7b 2d 6e  |...Q$ .....(.{-n|
000000d0  16 9b 71 71 82 00 94 51  a4 4f 22 c1 26 a2 6f 67  |..qq...Q.O".&.og|
000000e0  d9 45 ff 80 13 39 16 0f  9c 43 76 54 e5 12 0f 89  |.E...9...CvT....|
000000f0  95 ed 75 df eb cb 6b d2  77 fd fa 37 d7 a3 31 b5  |..u...k.w..7..1.|
00000100  61 47 69 8f 99 55 70 d0  96 b0 f7 a9 1b 53 69 a3  |aGi..Up......Si.|

	case Reg:
		regenum := uint16(a)
		regno := uint16(a) & 31

		if regenum >= uint16(B0) && regenum <= uint16(Q31) {
			if strings.HasPrefix(inst.Op.String(), "F") || strings.HasSuffix(inst.Op.String(), "CVTF") || fOpsWithoutFPrefix[inst.Op] {
				// FP registers are the same ones as SIMD registers
				// Print Fn for scalar variant to align with assembler (e.g., FCVT, SCVTF, UCVTF, etc.)
				return fmt.Sprintf("F%d", regno)

  // CHECK-DAG:  %[[CST5:.*]] = "tf.Const"() <{value = dense<0> : tensor<3xi64>}> : () -> tensor<3xi64>
  // CHECK-DAG:  %[[CST6:.*]] = "tf.Const"() <{value = dense<[3, 6, 4]> : tensor<3xi64>}> : () -> tensor<3xi64>
  // CHECK-DAG:  %[[CST7:.*]] = "tf.Const"() <{value = dense<1> : tensor<i32>}> : () -> tensor<i32>
  // CHECK:      %[[SLICE:.*]] = "tf.Slice"(%arg0, %[[CST]], %[[CST0]]) : (tensor<3x8x4xi32>, tensor<3xi64>, tensor<3xi64>) -> tensor<2x8x4xi32>

(Signmask x) => (SRAconst x [31])
(Zeromask x) => (NEG (SGTU x (MOVWconst [0])))
(Slicemask <t> x) => (SRAconst (NEG <t> x) [31])

// float-int conversion
(Cvt32to(32|64)F ...) => (MOVW(F|D) ...)
(Cvt(32|64)Fto32 ...) => (TRUNC(F|D)W ...)
(Cvt32Fto64F ...) => (MOVFD ...)
(Cvt64Fto32F ...) => (MOVDF ...)

(CvtBoolToUint8 ...) => (Copy ...)

(Round(32|64)F ...) => (Copy ...)

// comparisons