a := OP_TEN(8, 1325) // movfr2gr.s
		o1 = OP_RR(a, uint32(p.From.Reg), uint32(p.To.Reg))

	case 32: // fadd fr1,[fr2],fr3
		r := int(p.Reg)
		if r == 0 {
			r = int(p.To.Reg)
		}
		o1 = OP_RRR(c.oprrr(p.As), uint32(p.From.Reg), uint32(r), uint32(p.To.Reg))

	case 33: // fabs fr1, fr3
		o1 = OP_RRR(c.oprrr(p.As), uint32(0), uint32(p.From.Reg), uint32(p.To.Reg))

	case 34: // mov $con,fr

		if v >= 32 && vshift(p.As) {
			o1 = OP_SRR(c.opirr(-p.As), uint32(v-32), r, p.To.Reg)
		} else {
			o1 = OP_SRR(c.opirr(p.As), uint32(v), r, p.To.Reg)
		}

	case 17:
		o1 = OP_RRR(c.oprrr(p.As), REGZERO, p.From.Reg, p.To.Reg)

	case 18: /* jmp [r1],0(r2) */
		r := p.Reg
		if r == obj.REG_NONE {
			r = o.param
		}
		o1 = OP_RRR(c.oprrr(p.As), obj.REG_NONE, p.To.Reg, r)
		if p.As == obj.ACALL {

		}
	case 46: /* plain op */
		o1 = c.oprrr(p.As)

	case 47: /* op Ra, Rd; also op [Ra,] Rd */
		r := int(p.From.Reg)

		if r == 0 {
			r = int(p.To.Reg)
		}
		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)

				c.ctxt.Diag("illegal SP reference\n%v", p)
			}
			o1 = c.opirr(p, p.As)
			o1 |= (uint32(rf&31) << 5) | uint32(rt&31)
		} else {
			o1 = c.oprrr(p, p.As)
			o1 |= (uint32(rf&31) << 16) | (REGZERO & 31 << 5) | uint32(rt&31)
		}

	case 25: /* negX Rs, Rd -> subX Rs<<0, ZR, Rd */
		o1 = c.oprrr(p, p.As)

		rf := int(p.From.Reg)
		if rf == C_NONE {
			rf = int(p.To.Reg)

	case 6: // logical op reg [reg] reg
		var oprr, oprre, oprrf uint32
		switch p.As {
		case AAND:
			oprre = op_NGR
			oprrf = op_NGRK
		case AANDW:
			oprr = op_NR
			oprrf = op_NRK
		case AOR:
			oprre = op_OGR
			oprrf = op_OGRK
		case AORW:
			oprr = op_OR
			oprrf = op_ORK
		case AXOR:
			oprre = op_XGR
			oprrf = op_XGRK
		case AXORW:
			oprr = op_XR

	"io"
	"os"
	"os/exec"
	"regexp"
	"slices"
	"strings"
	"syscall"
	"testing"
	"time"
)

func toErrno(err error) (syscall.Errno, bool) {
	operr, ok := err.(*OpError)
	if !ok {
		return 0, false
	}
	syserr, ok := operr.Err.(*os.SyscallError)
	if !ok {
		return 0, false
	}
	errno, ok := syserr.Err.(syscall.Errno)
	if !ok {
		return 0, false
	}
	return errno, true
}

	c, s := localPipe(t)
	go func() {
		Client(c, testConfig).sendAlert(alertUnknownCA)
		c.Close()
	}()

	err := Server(s, testConfig).Handshake()
	s.Close()
	var opErr *net.OpError
	if !errors.As(err, &opErr) || opErr.Err != error(alertUnknownCA) {
		t.Errorf("Got error: %s; expected: %s", err, error(alertUnknownCA))
	}
}

func TestClose(t *testing.T) {
	c, s := localPipe(t)
	go c.Close()