// relevant n fields, and the grouping is not preserved.
func (n *Name) FillFromRDNSequence(rdns *RDNSequence) {
	for _, rdn := range *rdns {
		if len(rdn) == 0 {
			continue
		}

		for _, atv := range rdn {
			n.Names = append(n.Names, atv)
			value, ok := atv.Value.(string)
			if !ok {
				continue
			}

			t := atv.Type

	FCVTWS	F0, X5					// d31200c0
	FCVTWS.RNE	F0, X5				// d30200c0
	FCVTWS.RTZ	F0, X5				// d31200c0
	FCVTWS.RDN	F0, X5				// d32200c0
	FCVTWS.RUP	F0, X5				// d33200c0
	FCVTWS.RMM	F0, X5				// d34200c0
	FCVTLS	F0, X5					// d31220c0
	FCVTLS.RNE	F0, X5				// d30220c0
	FCVTLS.RTZ	F0, X5				// d31220c0
	FCVTLS.RDN	F0, X5				// d32220c0
	FCVTLS.RUP	F0, X5				// d33220c0
	FCVTLS.RMM	F0, X5				// d34220c0

	FCVTLD.MODE	F0, X6;	\
	FCVTDL	X6, F1;		\
	/* rounding will drop signed bit in RISCV, restore it */; \
	FSGNJD	F0, F1, F0;	\
	MOVD	F0, ret+8(FP); 	\
	RET

// func archFloor(x float64) float64
ROUNDFN(·archFloor, RDN)

// func archCeil(x float64) float64
ROUNDFN(·archCeil, RUP)

// func archTrunc(x float64) float64

	ANEGW
	ANOT
	ASEQZ
	ASNEZ

	// End marker
	ALAST
)

// opSuffix encoding to uint8 which fit into p.Scond
var rmSuffixSet = map[string]uint8{
	"RNE": RM_RNE,
	"RTZ": RM_RTZ,
	"RDN": RM_RDN,
	"RUP": RM_RUP,
	"RMM": RM_RMM,
}

const rmSuffixBit uint8 = 1 << 7

func rmSuffixEncode(s string) (uint8, error) {
	if s == "" {
		return 0, errors.New("empty suffix")
	}

func TestMultipleRDN(t *testing.T) {
	block, _ := pem.Decode([]byte(certMultipleRDN))
	cert, err := ParseCertificate(block.Bytes)
	if err != nil {
		t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err)
	}

	if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want {
		t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want)
	}