Modified: time.Date(2011, 12, 8, 10, 4, 24, 0, time.UTC),
				Mode:     0666,
			},
			{
				Name:     "dir/bar",
				Content:  []byte("foo \r\n"),
				Modified: time.Date(2011, 12, 8, 10, 4, 50, 0, time.UTC),
				Mode:     0666,
			},
			{
				Name:     "dir/empty/",
				Content:  []byte{},
				Modified: time.Date(2011, 12, 8, 10, 8, 6, 0, time.UTC),
				Mode:     fs.ModeDir | 0777,
			},

// Test for golang.org/issue/5947
func TestWriterReadFromWhileFull(t *testing.T) {
	buf := new(bytes.Buffer)
	w := NewWriterSize(buf, 10)

	// Fill buffer exactly.
	n, err := w.Write([]byte("0123456789"))
	if n != 10 || err != nil {
		t.Fatalf("Write returned (%v, %v), want (10, nil)", n, err)
	}

	// Use ReadFrom to read in some data.
	n2, err := w.ReadFrom(strings.NewReader("abcdef"))

func valName(x int) string {
	if s := x >> 20; s<<20 == x {
		return fmt.Sprintf("%dM", s)
	}
	if s := x >> 10; s<<10 == x {
		return fmt.Sprintf("%dK", s)
	}
	return fmt.Sprint(x)
}

func benchBytes(b *testing.B, sizes []int, f func(b *testing.B, n int)) {
	for _, n := range sizes {
		if isRaceBuilder && n > 4<<10 {
			continue
		}
		b.Run(valName(n), func(b *testing.B) {
			if len(bmbuf) < n {

// B*
	BEQ	14(PC) // BEQ 14(PC)   // 0c00000a
	BNE	13(PC) // BNE 13(PC)   // 0b00001a
	BCS	12(PC) // BCS 12(PC)   // 0a00002a
	BCC	11(PC) // BCC 11(PC)   // 0900003a
	BMI	10(PC) // BMI 10(PC)   // 0800004a
	BPL	9(PC)  // BPL 9(PC)    // 0700005a
	BVS	8(PC)  // BVS 8(PC)    // 0600006a
	BVC	7(PC)  // BVC 7(PC)    // 0500007a
	BHI	6(PC)  // BHI 6(PC)    // 0400008a

		Len: c.intExpr(n),
		Elt: c.byte,
	}
}

// Expr for integer n.
func (c *typeConv) intExpr(n int64) ast.Expr {
	return &ast.BasicLit{
		Kind:  token.INT,
		Value: strconv.FormatInt(n, 10),
	}
}

// Add padding of given size to fld.
func (c *typeConv) pad(fld []*ast.Field, sizes []int64, size int64) ([]*ast.Field, []int64) {
	n := len(fld)
	fld = fld[0 : n+1]

	SUBC R3, $65536, R4             // 3fe00001600000007c83f810
	SUBC R3, $65537, R4             // 3fe0000163ff00017c83f810

	MULLW R3, R4                    // 7c8419d6
	MULLW R3, R4, R5                // 7ca419d6
	MULLW $10, R3                   // 1c63000a
	MULLW $10000000, R3             // 641f009863ff96807c7f19d6

	MULLWCC R3, R4, R5              // 7ca419d7
	MULHW R3, R4, R5                // 7ca41896