return "error: unknown instruction"
	}

	PC := pc
	// Special handling for some ops
	startArg := 0
	sep := " "
	opName := inst.Op.String()
	argList := inst.Args[:]

	switch opName {
	case "bc", "bcl", "bca", "bcla", "bclr", "bclrl", "bcctr", "bcctrl", "bctar", "bctarl":
		sfx := inst.Op.String()[2:]
		bo := int(inst.Args[0].(Imm))
		bi := inst.Args[1].(CondReg)
		atsfx := [4]string{"", "?", "-", "+"}

			expectedEntries: []string{"FE80::0202:B3FF:FE1E:8329,tcp:80"},
		},
		{
			name: "ipset sync with updated udp->tcp in hash",
			set: &utilipset.IPSet{
				Name: "bca",
			},
			setType:         utilipset.HashIPPort,
			ipv6:            false,
			activeEntries:   []string{"172.17.0.4,tcp:80", "172.17.0.5,tcp:80"},
			currentEntries:  []string{"172.17.0.5,udp:53"},

		}
		return op + " " + strings.Join(args, ", ")
	case BCCTRL:
		if int(inst.Args[0].(Imm))&20 == 20 { // unconditional
			return "BL (CTR)"
		}
		return op + " " + strings.Join(args, ",")
	case BCA, BCL, BCLA, BCLRL, BCTAR, BCTARL:
		return op + " " + strings.Join(args, ",")
	}
}

// plan9Arg formats arg (which is the argIndex's arg in inst) according to Plan 9 rules.
//

	ANDICC:         "andi.",
	ANDISCC:        "andis.",
	B:              "b",
	BA:             "ba",
	BL:             "bl",
	BLA:            "bla",
	BC:             "bc",
	BCA:            "bca",
	BCL:            "bcl",
	BCLA:           "bcla",
	BCCTR:          "bcctr",
	BCCTRL:         "bcctrl",
	BCLR:           "bclr",
	BCLRL:          "bclrl",
	CMPW:           "cmpw",

AEzD,CACV,IAAM98B,EAAI,EAAGA,EAAI68B,EAAW17B,OAAQnB,IAAM,CACzCkO,EAAY2uB,EAAY78B,GAGxB,OAAgD,EAAxC8M,EAAIpO,QAAS,IAAMwP,EAAY,KACtCpB,EAAMA,EAAI/I,QAAS,IAAMmK,EAAY,IAAK,KAK5C6uB,EAAaX,GAAkBtvB,GAC1BgwB,IAAaC,GACjBl/B,KAAKyC,aAAc,QAASy8B,MAMzBl/B,KA/BCA,KAAKkS,KAAM,QAAS,KAkC7BktB,YAAa,SAAUj4B,EAAOk4B,GAC7B,IAAIL,EAAY3uB,EAAWlO,EAAGyY,EAC7BjZ,SAAcwF,EACdm4B,EAAwB,WAAT39B,GAAqBiE,MAAMC,QAASsB,GAEpD,OAAK9F,EAAY8F,GACTnH,KAAKkE,KAAM,SAAU/B,GAC3Ba,EAAQhD,MAAOo/B,YACdj4B,EAAM1G,KAAMT,KAAMmC,EAAGq8B,GAAU...

AEzD,CACV,IAAM98B,EAAI,EAAGA,EAAI68B,EAAW17B,OAAQnB,IAAM,CACzCkO,EAAY2uB,EAAY78B,GAGxB,OAAgD,EAAxC8M,EAAIpO,QAAS,IAAMwP,EAAY,KACtCpB,EAAMA,EAAI/I,QAAS,IAAMmK,EAAY,IAAK,KAK5C6uB,EAAaX,GAAkBtvB,GAC1BgwB,IAAaC,GACjBl/B,KAAKyC,aAAc,QAASy8B,MAMzBl/B,KA/BCA,KAAKkS,KAAM,QAAS,KAkC7BktB,YAAa,SAAUj4B,EAAOk4B,GAC7B,IAAIL,EAAY3uB,EAAWlO,EAAGyY,EAC7BjZ,SAAcwF,EACdm4B,EAAwB,WAAT39B,GAAqBiE,MAAMC,QAASsB,GAEpD,OAAK9F,EAAY8F,GACTnH,KAAKkE,KAAM,SAAU/B,GAC3Ba,EAAQhD,MAAOo/B,YACdj4B,EAAM1G,KAAMT,KAAMmC,EAAGq8B,GAAU...