z.PartNumbers[za0004], bts, err = msgp.ReadIntBytes(bts)
				if err != nil {
					err = msgp.WrapError(err, "PartNumbers", za0004)
					return
				}
			}
		case "PartETags":
			if msgp.IsNil(bts) {
				bts = bts[1:]
				z.PartETags = nil
			} else {
				var zb0006 uint32
				zb0006, bts, err = msgp.ReadArrayHeaderBytes(bts)
				if err != nil {
					err = msgp.WrapError(err, "PartETags")

				return
			}
		case "bkt":
			z.Bucket, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Bucket")
				return
			}
		case "obj":
			z.Object, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Object")
				return
			}
		default:
			bts, err = msgp.Skip(bts)
			if err != nil {

	var x72 uint64
	x72, x71 = bits.Mul64(x1, arg2[4])
	var x73 uint64
	var x74 uint64
	x74, x73 = bits.Mul64(x1, arg2[3])
	var x75 uint64
	var x76 uint64
	x76, x75 = bits.Mul64(x1, arg2[2])
	var x77 uint64
	var x78 uint64
	x78, x77 = bits.Mul64(x1, arg2[1])
	var x79 uint64
	var x80 uint64
	x80, x79 = bits.Mul64(x1, arg2[0])
	var x81 uint64
	var x82 uint64
	x81, x82 = bits.Add64(x80, x77, uint64(0x0))

	}
	if tp.typ == nil {
		// Handle small objects.
		// Clear any bits before the target address.
		tp.mask &^= (1 << ((target - tp.addr) / goarch.PtrSize)) - 1
		// Clear any bits past the limit.
		if tp.addr+goarch.PtrSize*ptrBits > limit {
			bits := (tp.addr + goarch.PtrSize*ptrBits - limit) / goarch.PtrSize
			tp.mask &^= ((1 << (bits)) - 1) << (ptrBits - bits)
		}
		return tp
	}

	// Move up elem and addr.

		case "Name":
			z.Name, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Name")
				return
			}
		case "Created":
			z.Created, bts, err = msgp.ReadTimeBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Created")
				return
			}
		case "Deleted":
			z.Deleted, bts, err = msgp.ReadTimeBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Deleted")

			if err != nil {
				t.Fatal(err)
			}
			if prefix.Addr() != test.ip {
				t.Errorf("IP=%s, want %s", prefix.Addr(), test.ip)
			}
			if prefix.Bits() != test.bits {
				t.Errorf("bits=%d, want %d", prefix.Bits(), test.bits)
			}
			for _, ip := range test.contains {
				if !prefix.Contains(ip) {
					t.Errorf("does not contain %s", ip)
				}
			}

		case "ReplicatedSize":
			z.ReplicatedSize, bts, err = msgp.ReadInt64Bytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "ReplicatedSize")
				return
			}
		case "ReplicaSize":
			z.ReplicaSize, bts, err = msgp.ReadInt64Bytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "ReplicaSize")
				return
			}
		case "FailStats":
			bts, err = z.FailStats.UnmarshalMsg(bts)
			if err != nil {

	v := BaseOptions{}
	bts := make([]byte, 0, v.Msgsize())
	bts, _ = v.MarshalMsg(bts[0:0])
	b.SetBytes(int64(len(bts)))
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		bts, _ = v.MarshalMsg(bts[0:0])
	}
}

func BenchmarkUnmarshalBaseOptions(b *testing.B) {
	v := BaseOptions{}
	bts, _ := v.MarshalMsg(nil)
	b.ReportAllocs()
	b.SetBytes(int64(len(bts)))
	b.ResetTimer()

	} else if nbits == 32 {
		mb = bits.LeadingZeros32(uint32(mask))
		me = 32 - bits.TrailingZeros32(uint32(mask))
		mbn = bits.LeadingZeros32(^uint32(mask))
		men = 32 - bits.TrailingZeros32(^uint32(mask))
	} else {
		mb = bits.LeadingZeros64(uint64(mask))
		me = 64 - bits.TrailingZeros64(uint64(mask))
		mbn = bits.LeadingZeros64(^uint64(mask))
		men = 64 - bits.TrailingZeros64(^uint64(mask))
	}

	for i := 0; i < 8; i++ {
		// compute accurate (not rounded) result z
		bits := Bits{preci - 1}
		if i&3 != 0 {
			bits = append(bits, 0)
		}
		if i&2 != 0 {
			bits = append(bits, -1)
		}
		if i&1 != 0 {
			bits = append(bits, -precf)
		}
		z := bits.Float()

		// compute accurate x as z*y
		y := NewFloat(3.14159265358979323e123)