0x14, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x75, 0x69, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61,
	0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1c,
	0x0a, 0x09, 0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
	0x09, 0x52, 0x09, 0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x12, 0x1c, 0x0a, 0x09,

	and, or, xor, andNot string
}{
	{"0x00", "0x00", "0x00", "0x00", "0x00", "0x00"},
	{"0x00", "0x01", "0x00", "0x01", "0x01", "0x00"},
	{"0x01", "0x00", "0x00", "0x01", "0x01", "0x01"},
	{"-0x01", "0x00", "0x00", "-0x01", "-0x01", "-0x01"},
	{"-0xaf", "-0x50", "-0xf0", "-0x0f", "0xe1", "0x41"},
	{"0x00", "-0x01", "0x00", "-0x01", "-0x01", "0x00"},
	{"0x01", "0x01", "0x01", "0x01", "0x00", "0x00"},

DATA masks<>+0x48(SB)/8, $0x0000000000000000
DATA masks<>+0x50(SB)/8, $0x000000ffffffffff
DATA masks<>+0x58(SB)/8, $0x0000000000000000
DATA masks<>+0x60(SB)/8, $0x0000ffffffffffff
DATA masks<>+0x68(SB)/8, $0x0000000000000000
DATA masks<>+0x70(SB)/8, $0x00ffffffffffffff
DATA masks<>+0x78(SB)/8, $0x0000000000000000
DATA masks<>+0x80(SB)/8, $0xffffffffffffffff
DATA masks<>+0x88(SB)/8, $0x0000000000000000

			// Emit literal 0 bit, then repeat as needed.
			prog = append(prog, 0x01, 0x00)
			if elemPtrs+1 < elemWords {
				prog = append(prog, 0x81)
				prog = appendVarint(prog, elemWords-elemPtrs-1)
			}
		}
		// Repeat length-1 times.
		if elemWords < 0x80 {
			prog = append(prog, byte(elemWords|0x80))
		} else {
			prog = append(prog, 0x80)
			prog = appendVarint(prog, elemWords)
		}

		ip       []byte
		wantAddr Addr
		wantOK   bool
	}{
		{
			ip:       []byte{10, 0, 0, 1},
			wantAddr: mustIP("10.0.0.1"),
			wantOK:   true,
		},
		{
			ip:       []byte{0xfe, 0x80, 15: 0x01},
			wantAddr: mustIP("fe80::01"),
			wantOK:   true,
		},
		{
			ip:       []byte{0, 1, 2},
			wantAddr: Addr{},
			wantOK:   false,
		},
		{
			ip:       nil,
			wantAddr: Addr{},

var helloRetryRequestRandom = []byte{ // See RFC 8446, Section 4.1.3.
	0xCF, 0x21, 0xAD, 0x74, 0xE5, 0x9A, 0x61, 0x11,
	0xBE, 0x1D, 0x8C, 0x02, 0x1E, 0x65, 0xB8, 0x91,
	0xC2, 0xA2, 0x11, 0x16, 0x7A, 0xBB, 0x8C, 0x5E,
	0x07, 0x9E, 0x09, 0xE2, 0xC8, 0xA8, 0x33, 0x9C,
}

const (
	// downgradeCanaryTLS12 or downgradeCanaryTLS11 is embedded in the server

	switch a {
	case ALU12IW:
		return 0x0a << 25
	case ALU32ID:
		return 0x0b << 25
	case APCALAU12I:
		return 0x0d << 25
	case APCADDU12I:
		return 0x0e << 25
	}
	return 0
}

func (c *ctxt0) opirr(a obj.As) uint32 {
	switch a {
	case AADD, AADDU:
		return 0x00a << 22
	case ASGT:
		return 0x008 << 22
	case ASGTU:
		return 0x009 << 22
	case AAND:

				sehp.xdata = append(sehp.xdata, ls.XData)
			}
			ctxt.Textp = append(ctxt.Textp, ls.Textp...)
		}
		return ldhostobj(ldpe, ctxt.HeadType, f, pkg, length, pn, file)
	}

	if c1 == 0x01 && (c2 == 0xD7 || c2 == 0xF7) {
		ldxcoff := func(ctxt *Link, f *bio.Reader, pkg string, length int64, pn string) {
			textp, err := loadxcoff.Load(ctxt.loader, ctxt.Arch, ctxt.IncVersion(), f, pkg, length, pn)