{0, "0\x00", true},
		{7, "7\x00", true},
		{8, "\x80\x08", true},
		{077, "77\x00", true},
		{0100, "\x80\x00\x40", true},
		{0, "0000000\x00", true},
		{0123, "0000123\x00", true},
		{07654321, "7654321\x00", true},
		{07777777, "7777777\x00", true},
		{010000000, "\x80\x00\x00\x00\x00\x20\x00\x00", true},
		{0, "00000000000\x00", true},
		{000001234567, "00001234567\x00", true},

}

var x86OperandTests = []operandTest{
	{"$(2.928932188134524e-01)", "$(0.29289321881345243)"},
	{"$-1", "$-1"},
	{"$0", "$0"},
	{"$0x00000000", "$0"},
	{"$runtime·badmcall(SB)", "$runtime.badmcall(SB)"},
	{"$setg_gcc<>(SB)", "$setg_gcc<>(SB)"},
	{"$~15", "$-16"},
	{"(-64*1024+104)(SP)", "-65432(SP)"},
	{"(0*4)(BP)", "(BP)"},
	{"(1*4)(DI)", "4(DI)"},

	longName := "/0000_0000000/00000-000000000/0000_0000000/00000-0000000000000/0000_0000000/00000-0000000-00000000/0000_0000000/00000000/0000_0000000/000/0000_0000000/00000000v00/0000_0000000/000000/0000_0000000/0000000/0000_0000000/00000y-00/0000/0000/00000000/0x000000/"
	hdr.Name = longName

	hdr.Size = 0
	var buf bytes.Buffer
	writer := NewWriter(&buf)
	if err := writer.WriteHeader(hdr); err != nil {

//	}
	ADDD	F1, F2, F3

//	LFCMP freg ',' freg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	CMPEQD	F1, F2


//
// WORD
//
	WORD	$1	// 00000001
	NOOP		// 00000000
	SYNC		// 0000000f

//
// NOP
//
//	LNOP comma // asm doesn't support the trailing comma.
//	{
//		outcode(int($1), &nullgen, 0, &nullgen);
//	}
	NOP

			// Argsize set below.
		},
	}
	nameAddr.Sym.Func().Text = prog
	prog.To.Val = int32(argSize)
	p.append(prog, "", true)
}

// asmData assembles a DATA pseudo-op.
// DATA masks<>+0x00(SB)/4, $0x00000000
func (p *Parser) asmData(operands [][]lex.Token) {
	if len(operands) != 2 {
		p.errorf("expect two operands for DATA")
		return
	}

	// Operand 0 has the general form foo<>+0x04(SB)/4.
	op := operands[0]

	LTEBR	F1, F2                 // b3020021
	LTDBR	F3, F4                 // b3120043
	TCEB	F5, $8                 // ed5000080010
	TCDB	F15, $4095             // edf00fff0011

	UNDEF                          // 00000000
	BRRK			       // 0001
	NOPH                           // 0700

	SYNC                           // 07e0

	KM	R2, R4                 // b92e0024
	KMC	R2, R6                 // b92f0026

		file: "testdata/invalid-go17.tar",
		headers: []*Header{{
			Name:     "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/foo",
			Uid:      010000000,
			ModTime:  time.Unix(0, 0),
			Typeflag: '0',
		}},
	}, {
		// USTAR archive with a regular entry with non-zero device numbers.
		file: "testdata/ustar-file-devs.tar",
		headers: []*Header{{