r = rt
		}
		if rt == REGSP || r == REGSP {
			o2 = c.opxrrr(p, p.As, rt, r, rf, false)
			o2 |= uint32(lsl0)
		} else {
			o2 = c.oprrr(p, p.As)
			o2 |= uint32(rf&31) << 16 /* shift is 0 */
			o2 |= uint32(r&31) << 5
			o2 |= uint32(rt & 31)
		}

	case 63: /* op Vm.<t>, Vn.<T>, Vd.<T> */
		o1 |= c.oprrr(p, p.As)
		af := (p.From.Reg >> 5) & 15
		at := (p.To.Reg >> 5) & 15

		}
		o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), 0)

	case 48: /* op Rs, Ra */
		r := int(p.From.Reg)

		if r == 0 {
			r = int(p.To.Reg)
		}
		o1 = LOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), 0)

	case 49: /* op Rb; op $n, Rb */
		if p.From.Type != obj.TYPE_REG { /* tlbie $L, rB */
			v := c.regoff(&p.From) & 1

	}

	uerr, ok := err.(*url.Error)
	if !ok {
		t.Fatalf("got %T, want *url.Error", err)
	}
	oe, ok := uerr.Err.(*net.OpError)
	if !ok {
		t.Fatalf("url.Error.Err =  %T; want *net.OpError", uerr.Err)
	}
	want := &net.OpError{
		Op:  "proxyconnect",
		Net: "tcp",
		Err: errDial, // original error, unwrapped.
	}
	if !reflect.DeepEqual(oe, want) {

	case OpXor16:
		v.Op = OpWasmI64Xor
		return true
	case OpXor32:
		v.Op = OpWasmI64Xor
		return true
	case OpXor64:
		v.Op = OpWasmI64Xor
		return true
	case OpXor8:
		v.Op = OpWasmI64Xor
		return true
	case OpZero:
		return rewriteValueWasm_OpZero(v)
	case OpZeroExt16to32:
		return rewriteValueWasm_OpZeroExt16to32(v)
	case OpZeroExt16to64:

func isCommonNetReadError(err error) bool {
	if err == io.EOF {
		return true
	}
	if neterr, ok := err.(net.Error); ok && neterr.Timeout() {
		return true
	}
	if oe, ok := err.(*net.OpError); ok && oe.Op == "read" {
		return true
	}
	return false
}

// Serve a new connection.
func (c *conn) serve(ctx context.Context) {
	if ra := c.rwc.RemoteAddr(); ra != nil {

		v.Op = OpCopy
		return true
	case OpWB:
		v.Op = OpMIPSLoweredWB
		return true
	case OpXor16:
		v.Op = OpMIPSXOR
		return true
	case OpXor32:
		v.Op = OpMIPSXOR
		return true
	case OpXor8:
		v.Op = OpMIPSXOR
		return true
	case OpZero:
		return rewriteValueMIPS_OpZero(v)
	case OpZeroExt16to32:
		v.Op = OpMIPSMOVHUreg
		return true
	case OpZeroExt8to16:
		v.Op = OpMIPSMOVBUreg

}

func (l *errorListener) Addr() net.Addr {
	return dummyAddr("test-address")
}

func TestAcceptMaxFds(t *testing.T) {
	setParallel(t)

	ln := &errorListener{[]error{
		&net.OpError{
			Op:  "accept",
			Err: syscall.EMFILE,
		}}}
	server := &Server{
		Handler:  HandlerFunc(HandlerFunc(func(ResponseWriter, *Request) {})),
		ErrorLog: log.New(io.Discard, "", 0), // noisy otherwise
	}

		return true
	case OpXor16:
		v.Op = OpLOONG64XOR
		return true
	case OpXor32:
		v.Op = OpLOONG64XOR
		return true
	case OpXor64:
		v.Op = OpLOONG64XOR
		return true
	case OpXor8:
		v.Op = OpLOONG64XOR
		return true
	case OpZero:
		return rewriteValueLOONG64_OpZero(v)
	case OpZeroExt16to32:
		v.Op = OpLOONG64MOVHUreg
		return true
	case OpZeroExt16to64:

		return true
	case OpXor16:
		v.Op = OpMIPS64XOR
		return true
	case OpXor32:
		v.Op = OpMIPS64XOR
		return true
	case OpXor64:
		v.Op = OpMIPS64XOR
		return true
	case OpXor8:
		v.Op = OpMIPS64XOR
		return true
	case OpZero:
		return rewriteValueMIPS64_OpZero(v)
	case OpZeroExt16to32:
		v.Op = OpMIPS64MOVHUreg
		return true
	case OpZeroExt16to64:
		v.Op = OpMIPS64MOVHUreg

		return true
	case OpXor16:
		v.Op = OpRISCV64XOR
		return true
	case OpXor32:
		v.Op = OpRISCV64XOR
		return true
	case OpXor64:
		v.Op = OpRISCV64XOR
		return true
	case OpXor8:
		v.Op = OpRISCV64XOR
		return true
	case OpZero:
		return rewriteValueRISCV64_OpZero(v)
	case OpZeroExt16to32:
		v.Op = OpRISCV64MOVHUreg
		return true
	case OpZeroExt16to64: