// TODO(gri) strconv/ftoa.do describes a shortcut in some cases.
	// See if we can use it (in adjusted form) here as well.

	// 1) Compute normalized mantissa mant and exponent exp for x such
	// that the lsb of mant corresponds to 1/2 ulp for the precision of
	// x (i.e., for mant we want x.prec + 1 bits).
	mant := nat(nil).set(x.mant)
	exp := int(x.exp) - mant.bitLen()
	s := mant.bitLen() - int(x.prec+1)
	switch {

		return true
	}
	return false
}

// IsARMBFX reports whether the op (as defined by an arm.A* constant) is one the
// BFX-like instructions which are in the form of "op $width, $LSB, (Reg,) Reg".
func IsARMBFX(op obj.As) bool {
	switch op {
	case arm.ABFX, arm.ABFXU, arm.ABFC, arm.ABFI:
		return true
	}
	return false
}

		{
			name: "local source",
			rule: `-A KUBE-XLB-GNZBNJ2PO5MGZ6GT -m comment --comment "masquerade LOCAL traffic for ns2/svc2:p80 LB IP" -m addrtype --src-type LOCAL -j KUBE-MARK-MASQ`,
			parsed: &Rule{
				Raw:        `-A KUBE-XLB-GNZBNJ2PO5MGZ6GT -m comment --comment "masquerade LOCAL traffic for ns2/svc2:p80 LB IP" -m addrtype --src-type LOCAL -j KUBE-MARK-MASQ`,
				Chain:      iptables.Chain("KUBE-XLB-GNZBNJ2PO5MGZ6GT"),

github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
github.com/xlab/treeprint v1.2.0 h1:HzHnuAF1plUN2zGlAFHbSQP2qJ0ZAD3XF5XD7OesXRQ=
github.com/xlab/treeprint v1.2.0/go.mod h1:gj5Gd3gPdKtR1ikdDK6fnFLdmIS0X30kTTuNd/WEJu0=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=

Examples:

	FMADDD F30, F20, F3, F29    <=>    fmadd d29, d3, d30, d20
	FNMSUBS F7, F25, F7, F22    <=>    fnmsub s22, s7, s7, s25

(4) BFI, BFXIL, SBFIZ, SBFX, UBFIZ, UBFX $<lsb>, <Rn>, $<width>, <Rd>

Examples:

	BFIW $16, R20, $6, R0      <=>    bfi w0, w20, #16, #6
	UBFIZ $34, R26, $5, R20    <=>    ubfiz x20, x26, #34, #5

(5) FCCMPD, FCCMPS, FCCMPED, FCCMPES <cond>, Fm. Fn, $<nzcv>

	w := new(Writer)
	w.init(dst, order, litWidth)
	return w
}

func (w *Writer) init(dst io.Writer, order Order, litWidth int) {
	switch order {
	case LSB:
		w.write = (*Writer).writeLSB
	case MSB:
		w.write = (*Writer).writeMSB
	default:
		w.err = errors.New("lzw: unknown order")
		return
	}
	if litWidth < 2 || 8 < litWidth {

	CMPU	R16,R10
	SETB_CR0_NE(R3)
	RET

	PCALIGN $16
cmp8:	// 8 - 15B (0 - 15B if GOPPC64_power10)
#ifdef GOPPC64_power10
	SLD	$56,R9,R9
	LXVLL	R5,R9,V3	// Load bytes starting from MSB to LSB, unused are zero filled.
	LXVLL	R6,R9,V4
	VCMPUQ	V3,V4,CR0	// Compare as a 128b integer.
	SETB_CR0(R6)
	ISEL	CR0EQ,R3,R6,R3	// If equal, length determines the return value.
	RET
#else
	CMP	R9,$8
	BLT	cmp4

	if m > n {
		copy(z.mant, z.mant[m-n:]) // move n last words to front
		z.mant = z.mant[:n]
	}

	// determine number of trailing zero bits (ntz) and compute lsb mask of mantissa's least-significant word
	ntz := n*_W - z.prec // 0 <= ntz < _W
	lsb := Word(1) << ntz

	// round if result is inexact
	if rbit|sbit != 0 {
		// Make rounding decision: The result mantissa is truncated ("rounded down")

	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
	github.com/xlab/treeprint v1.2.0 // indirect
	go.starlark.net v0.0.0-20231121155337-90ade8b19d09 // indirect
	go.uber.org/mock v0.4.0 // indirect
	go.uber.org/multierr v1.11.0 // indirect
	golang.org/x/crypto v0.24.0 // indirect

	github.com/tmc/grpc-websocket-proxy v0.0.0-20220101234140-673ab2c3ae75 // indirect
	github.com/x448/float16 v0.8.4 // indirect
	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
	github.com/xlab/treeprint v1.2.0 // indirect
	go.etcd.io/bbolt v1.3.9 // indirect
	go.etcd.io/etcd/client/v2 v2.305.13 // indirect
	go.etcd.io/etcd/pkg/v3 v3.5.13 // indirect
	go.etcd.io/etcd/raft/v3 v3.5.13 // indirect