var s []int
		for i := range size {
			s = append(s, i)
		}
		ei, ev := 0, 0
		cnt := 0
		for i, v := range All(s) {
			if i != ei || v != ev {
				t.Errorf("at iteration %d got %d, %d want %d, %d", cnt, i, v, ei, ev)
			}
			ei++
			ev++
			cnt++
		}
		if cnt != size {
			t.Errorf("read %d values expected %d", cnt, size)
		}
	}
}

func TestBackward(t *testing.T) {
	for size := 0; size < 10; size++ {

	}
	for i := 0; i < N; i++ {
		pinner.Pin(p)
	}
	if !runtime.IsPinned(addr) {
		t.Fatal("not marked as pinned")
	}
	if cnt := runtime.GetPinCounter(addr); cnt == nil || *cnt != N-1 {
		t.Fatalf("pin counter incorrect: %d", *cnt)
	}
	pinner.Unpin()
	if runtime.IsPinned(addr) {
		t.Fatal("still marked as pinned")
	}
	if runtime.GetPinCounter(addr) != nil {

				return nil, err
			}
			outbuf[out4] = byte(t4 >> 8)
			out4++
			rbr4.cnt -= uint32(t4 & 0xff)
		}

		outbuf[out1] = byte(t1 >> 8)
		out1++
		rbr1.cnt -= uint32(t1 & 0xff)

		outbuf[out2] = byte(t2 >> 8)
		out2++
		rbr2.cnt -= uint32(t2 & 0xff)

		outbuf[out3] = byte(t3 >> 8)
		out3++
		rbr3.cnt -= uint32(t3 & 0xff)
	}

	return outbuf, nil

		m := make(map[int]int)
		for i := range size {
			m[i] = i
		}
		cnt := 0
		for i, v := range All(m) {
			v1, ok := m[i]
			if !ok || v != v1 {
				t.Errorf("at iteration %d got %d, %d want %d, %d", cnt, i, v, i, v1)
			}
			cnt++
		}
		if cnt != size {
			t.Errorf("read %d values expected %d", cnt, size)
		}
	}
}

func TestKeys(t *testing.T) {
	for size := 0; size < 10; size++ {

		if p != nil {
			lg, ok := p.(log.Info)
			if ok && lg.SendLog(node, logKind) {
				lastN[cnt%last] = lg
				cnt++
			}
		}
	})
	sys.RUnlock()
	// send last n console log messages in order filtered by node
	if cnt > 0 {
		for i := 0; i < last; i++ {
			entry := lastN[(cnt+i)%last]
			if (entry == log.Info{}) {
				continue
			}
			select {
			case subCh <- entry:

		copy(srcbuf[:], src[:siz])
		cryptBlocksGCM(g.block.function, g.block.key, dst[:siz], srcbuf[:siz], ctrbuf[:], cnt)
		src = src[siz:]
		dst = dst[siz:]
	}
	if len(src) > 0 {
		var x [16]byte
		g.block.Encrypt(x[:], cnt[:])
		for i := range src {
			dst[i] = src[i] ^ x[i]
		}
		cnt.inc()
	}
}

// deriveCounter computes the initial GCM counter state from the given nonce.

	cnt := make(map[string]int, len(sys)+len(audit))

	// Add system and audit.
	for _, t := range sys {
		key := strings.ToLower(t.Type().String())
		n := cnt[key]
		cnt[key]++
		key = fmt.Sprintf("sys_%s_%d", key, n)
		res[key] = t.Stats()
	}

	for _, t := range audit {
		key := strings.ToLower(t.Type().String())
		n := cnt[key]
		cnt[key]++

	r   Reg
	a   Arrangement
	cnt uint8
}

func (RegisterWithArrangement) isArg() {}

func (r RegisterWithArrangement) String() string {
	result := r.r.String()
	result += r.a.String()
	if r.cnt > 0 {
		result = "{" + result
		if r.cnt == 2 {
			r1 := V0 + Reg((uint16(r.r)-uint16(V0)+1)&31)
			result += ", " + r1.String() + r.a.String()
		} else if r.cnt > 2 {

	// V16
	LXVW4X (CONSTBASE)(R0), VS48
	ADD $80,CONSTBASE

	// Load key into V17,V18
	LXVW4X (KEY)(R0), VS49
	LXVW4X (KEY)(R8), VS50

	// Load CNT, NONCE into V19
	LXVW4X (CNT)(R0), VS51

	// Clear V27
	VXOR V27, V27, V27

	// V28
	LXVW4X (CONSTBASE)(R11), VS60

	// Load mask constants for VPERMXOR
	LXVW4X (MASK)(R0), V20
	LXVW4X (MASK)(R20), V21

	// splat slot from V19 -> V26

		printlock()
		println("runtime: bad lfnode address", hex(uintptr(unsafe.Pointer(node))))
		throw("bad lfnode address")
	}
}

func lfstackPack(node *lfnode, cnt uintptr) uint64 {
	return uint64(taggedPointerPack(unsafe.Pointer(node), cnt))
}

func lfstackUnpack(val uint64) *lfnode {
	return (*lfnode)(taggedPointer(val).pointer())