// LTYPEM spec6	{ outcode(int($1), &$2); }
	MOVL	AX, BX
	MOVL	$4, BX

// LTYPEI spec7	{ outcode(int($1), &$2); }
	IMULL	AX
	IMULL	$4, CX
	IMULL	AX, BX

// LTYPEXC spec9	{ outcode(int($1), &$2); }
	CMPPD	X0, X1, 4
	CMPPD	foo+4(SB), X1, 4

// LTYPEX spec10	{ outcode(int($1), &$2); }
	PINSRD	$1, (AX), X0
	PINSRD	$2, foo+4(FP), X0

// Was bug: LOOP is a branch instruction.
	JCS	2(PC)
loop:
	LOOP	loop // LOOP

// LTYPEI spec7	{ outcode($1, &$2); }
	IMULB	DX
	IMULW	DX, BX
	IMULL	R11, R12
	IMULQ	foo+4(SB), R11

// LTYPEXC spec8	{ outcode($1, &$2); }
	CMPPD	X1, X2, 4
	CMPPD	foo+4(SB), X2, 4

// LTYPEX spec9	{ outcode($1, &$2); }
	PINSRW	$4, AX, X2
	PINSRW	$4, foo+4(SB), X2

// LTYPERT spec10	{ outcode($1, &$2); }
	JCS	2(PC)
	RETFL	$4

	"CMOVWGT",
	"CMOVWHI",
	"CMOVWLE",
	"CMOVWLS",
	"CMOVWLT",
	"CMOVWMI",
	"CMOVWNE",
	"CMOVWOC",
	"CMOVWOS",
	"CMOVWPC",
	"CMOVWPL",
	"CMOVWPS",
	"CMPB",
	"CMPL",
	"CMPPD",
	"CMPPS",
	"CMPQ",
	"CMPSB",
	"CMPSD",
	"CMPSL",
	"CMPSQ",
	"CMPSS",
	"CMPSW",
	"CMPW",
	"CMPXCHG16B",
	"CMPXCHG8B",
	"CMPXCHGB",
	"CMPXCHGL",
	"CMPXCHGQ",
	"CMPXCHGW",

	case 0:
		if inst.Prefix[0] != 0 {
			return strings.ToLower(inst.Prefix[0].String())
		}

	case INT:
		if inst.Opcode>>24 == 0xCC {
			inst.Args[0] = nil
			op = "int3"
		}

	case CMPPS, CMPPD, CMPSD_XMM, CMPSS:
		imm, ok := inst.Args[2].(Imm)
		if ok && 0 <= imm && imm < 8 {
			inst.Args[2] = nil
			op = cmppsOps[imm] + op[3:]
		}

	case PCLMULQDQ:
		imm, ok := inst.Args[2].(Imm)

	CMPB R11, (R11)                         // 453a1b
	CMPPD (BX), X2, $7                      // 660fc21307
	CMPPD (R11), X2, $7                     // 66410fc21307
	CMPPD X2, X2, $7                        // 660fc2d207
	CMPPD X11, X2, $7                       // 66410fc2d307
	CMPPD (BX), X11, $7                     // 66440fc21b07
	CMPPD (R11), X11, $7                    // 66450fc21b07
	CMPPD X2, X11, $7                       // 66440fc2da07

	CMOVNO:          "CMOVNO",
	CMOVNP:          "CMOVNP",
	CMOVNS:          "CMOVNS",
	CMOVO:           "CMOVO",
	CMOVP:           "CMOVP",
	CMOVS:           "CMOVS",
	CMP:             "CMP",
	CMPPD:           "CMPPD",
	CMPPS:           "CMPPS",
	CMPSB:           "CMPSB",
	CMPSD:           "CMPSD",
	CMPSD_XMM:       "CMPSD_XMM",
	CMPSQ:           "CMPSQ",
	CMPSS:           "CMPSS",
	CMPSW:           "CMPSW",