(MOVWreg y:(ANDconst [c] _)) && uint64(c) <= 0xFFFF => y // 0xFFFF is largest immediate constant, when regarded as 32-bit is > 0
(MOVWreg y:(AND (MOVDconst [c]) _)) && uint64(c) <= 0x7FFFFFFF => y

// small and of zero-extend => either zero-extend or small and
(ANDconst [c] y:(MOVBZreg _)) && c&0xFF == 0xFF => y
(ANDconst [0xFF] (MOVBreg x)) => (MOVBZreg x)
(ANDconst [c] y:(MOVHZreg _))  && c&0xFFFF == 0xFFFF => y

	// match: (ANDconst [c] y:(MOVHZreg _))
	// cond: c&0xFFFF == 0xFFFF
	// result: y
	for {
		c := auxIntToInt64(v.AuxInt)
		y := v_0
		if y.Op != OpPPC64MOVHZreg || !(c&0xFFFF == 0xFFFF) {
			break
		}
		v.copyOf(y)
		return true
	}
	// match: (ANDconst [0xFFFF] (MOVHreg x))
	// result: (MOVHZreg x)
	for {
		if auxIntToInt64(v.AuxInt) != 0xFFFF || v_0.Op != OpPPC64MOVHreg {
			break
		}

	v[i] = (v[i] & 0xFF00) >> 6
	i++
	// ppc64x: "MOVW\tR0"
	v[i] = (v[i] & 0xFF) >> 8
	i++
	// ppc64x: "MOVW\tR0"
	v[i] = (v[i] & 0xF000000) >> 28
	i++
	// ppc64x: "RLWNM\t[$]26, R[0-9]+, [$]24, [$]31, R[0-9]+"
	v[i] = (v[i] >> 6) & 0xFF
	i++
	// ppc64x: "RLWNM\t[$]26, R[0-9]+, [$]12, [$]19, R[0-9]+"
	v[i] = (v[i] >> 6) & 0xFF000
	i++
	// ppc64x: "MOVW\tR0"

	a[i] = bits.RotateLeft32(a[i], 16) & 0xFF0000
	i++
	// ppc64x: "RLWNM\t[$]16, R[0-9]+, [$]8, [$]15, R[0-9]+"
	a[i] = bits.RotateLeft32(a[i]&0xFF, 16)
	i++
	// ppc64x: "RLWNM\t[$]4, R[0-9]+, [$]20, [$]27, R[0-9]+"
	a[i] = bits.RotateLeft32(a[i], 4) & 0xFF0
	i++
	// ppc64x: "RLWNM\t[$]16, R[0-9]+, [$]24, [$]31, R[0-9]+"
	a[i] = bits.RotateLeft32(a[i]&0xFF0000, 16)
	i++

	SHN_XINDEX    SectionIndex = 0xffff /* Escape; index stored elsewhere. */
	SHN_HIRESERVE SectionIndex = 0xffff /* Last of reserved range. */
)

var shnStrings = []intName{
	{0, "SHN_UNDEF"},
	{0xff00, "SHN_LOPROC"},
	{0xff20, "SHN_LOOS"},
	{0xfff1, "SHN_ABS"},
	{0xfff2, "SHN_COMMON"},
	{0xffff, "SHN_XINDEX"},
}

			return nil, &FormatError{shoff, "invalid ELF shnum contained in sh_size", shnum}
		}

		// If the section name string table section index is greater than or
		// equal to SHN_LORESERVE (0xff00), this member has the value
		// SHN_XINDEX (0xffff) and the actual index of the section name
		// string table section is contained in the sh_link field of the
		// section header at index 0.
		if shstrndx == int(SHN_XINDEX) {

	}, "unsupported versions")
}

func TestNoSuiteOverlap(t *testing.T) {
	clientHello := &clientHelloMsg{
		vers:               VersionTLS10,
		random:             make([]byte, 32),
		cipherSuites:       []uint16{0xff00},
		compressionMethods: []uint8{compressionNone},
	}
	testClientHelloFailure(t, testConfig, clientHello, "no cipher suite supported by both client and server")
}

func TestNoCompressionOverlap(t *testing.T) {

	ETHTOOL_PHYS_ID                             = 0x1c
	ETHTOOL_PHY_EDPD_DFLT_TX_MSECS              = 0xffff
	ETHTOOL_PHY_EDPD_DISABLE                    = 0x0
	ETHTOOL_PHY_EDPD_NO_TX                      = 0xfffe
	ETHTOOL_PHY_FAST_LINK_DOWN_OFF              = 0xff
	ETHTOOL_PHY_FAST_LINK_DOWN_ON               = 0x0
	ETHTOOL_PHY_GTUNABLE                        = 0x4e

		{0x1EA0, 0x1EF9, 1},
		{0x1F00, 0x1F15, 1},
		{0x1F18, 0x1F1D, 1},
		{0x1F20, 0x1F45, 1},
		{0x1F48, 0x1F4D, 1},
		{0x1F50, 0x1F57, 1},
		{0x1F59, 0x1F5B, 0x1F5B - 0x1F59},
		{0x1F5D, 0x1F5D, 1},
		{0x1F5F, 0x1F7D, 1},
		{0x1F80, 0x1FB4, 1},
		{0x1FB6, 0x1FBC, 1},
		{0x1FBE, 0x1FBE, 1},
		{0x1FC2, 0x1FC4, 1},
		{0x1FC6, 0x1FCC, 1},
		{0x1FD0, 0x1FD3, 1},
		{0x1FD6, 0x1FDB, 1},

	// https://datatracker.ietf.org/doc/html/rfc1112#section-4
	if ip.Is4() {
		return ip.v4(0)&0xf0 == 0xe0
	}
	// IP Version 6 Addressing Architecture (2.4 Address Type Identification)
	// https://datatracker.ietf.org/doc/html/rfc4291#section-2.4
	if ip.Is6() {
		return ip.addr.hi>>(64-8) == 0xff // ip.v6(0) == 0xff
	}
	return false // zero value
}