// LTYPE1 nonrem	{ outcode($1, &$2); }
	NEGQ	R11
	NEGQ	4(R11)
	NEGQ	foo+4(SB)

// LTYPE2 rimnon	{ outcode($1, &$2); }
	INT	$4
	DIVB	R11
	DIVB	4(R11)
	DIVB	foo+4(SB)

// LTYPE3 rimrem	{ outcode($1, &$2); }
	SUBQ $4, DI
	SUBQ R11, DI
	SUBQ 4(R11), DI
	SUBQ foo+4(SB), DI
	SUBQ $4, 8(R12)
	SUBQ R11, 8(R12)
	SUBQ R11, foo+4(SB)

// LTYPE4 remrim	{ outcode($1, &$2); }
	CMPB	CX, $4

	ADDB R11, R11                           // 4500db or 4502db
	ADDW (BX), DX                           // 660313
	ADDW (R11), DX                          // 66410313
	ADDW (BX), R11                          // 6644031b
	ADDW (R11), R11                         // 6645031b
	ADDL (BX), DX                           // 0313
	ADDL (R11), DX                          // 410313
	ADDL (BX), R11                          // 44031b

	ADDW $(3076<<12), R17, R3                  // ADDW $12599296, R17, R3           // 23127011
	ADD $2280, R25, R11                        // 2ba32391
	ADD $(2280<<12), R25, R11                  // ADD $9338880, R25, R11            // 2ba36391
	ADDW R13->5, R11, R7                       // 67158d0b
	ADD R25<<54, R17, R16                      // 30da198b
	ADDSW R12.SXTX<<1, R29, R7                 // a7e72c2b

	SHA1MSG1 (BX), X2        // 0f38c913
	SHA1MSG1 (R11), X2       // 410f38c913
	SHA1MSG1 X2, X2          // 0f38c9d2
	SHA1MSG1 X11, X2         // 410f38c9d3
	SHA1MSG1 (BX), X11       // 440f38c91b
	SHA1MSG1 (R11), X11      // 450f38c91b
	SHA1MSG1 X2, X11         // 440f38c9da
	SHA1MSG1 X11, X11        // 450f38c9db
	SHA1MSG2 (BX), X2        // 0f38ca13
	SHA1MSG2 (R11), X2       // 410f38ca13
	SHA1MSG2 X2, X2          // 0f38cad2

	{"$256", "$256"},
	{"(R0)", "(R0)"},
	{"(R11)", "(R11)"},
	{"(g)", "(g)"},
	{"-12(R4)", "-12(R4)"},
	{"0(PC)", "0(PC)"},
	{"1024", "1024"},
	{"12(R(1))", "12(R1)"},
	{"12(R13)", "12(R13)"},
	{"R0", "R0"},
	{"R0->(32-1)", "R0->31"},
	{"R0<<R1", "R0<<R1"},
	{"R0>>R(1)", "R0>>R1"},
	{"R0@>(32-1)", "R0@>31"},
	{"R1", "R1"},
	{"R11", "R11"},
	{"R12", "R12"},
	{"R13", "R13"},
	{"R14", "R14"},

//	}
	MOVW	foo<>+3(SB), R2
	MOVW	(R11), R22	// 8d760000
	MOVW	1(R9), R24	// 8d380001
	MOVW	-17(R24), R8	// 8f08ffef
	MOVWU	(R11), R22	// 9d760000
	MOVWU	1(R9), R24	// 9d380001
	MOVWU	-17(R24), R8	// 9f08ffef
	LL	(R1), R2	// c0220000

//	LMOVH addr ',' rreg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}
	MOVH	foo<>+3(SB), R2
	MOVH	(R20), R7	// 86870000
	MOVH	54(R11), R26	// 857a0036

	MOVM.IA   (R1), [R0-R4,R6,R8,R9-R11] // MOVM.U (R1), [R0,R1,R2,R3,R4,R6,R8,R9,g,R11]    // 5f0f91e8
	MOVM.IA.W (R1), [R0,R2,R4,R6]        // MOVM.W.U (R1), [R0,R2,R4,R6]                    // 5500b1e8
	MOVM.IA.W (R1), [R0-R4,R6,R8,R9-R11] // MOVM.W.U (R1), [R0,R1,R2,R3,R4,R6,R8,R9,g,R11]  // 5f0fb1e8
	MOVM.DA   [R0,R2,R4,R6], (R1)        // MOVM [R0,R2,R4,R6], (R1)                        // 550001e8

	LDXPW	(R24), (R23, R11)                    // 172f7f88
	LDXP	(R0), (R16, R13)                     // 10347fc8
	STLRB	R11, (R22)                           // cbfe9f08
	STLRH	R16, (R23)                           // f0fe9f48
	STLXP	(R6, R3), (R10), R2                  // 468d22c8
	STLXPW	(R6, R11), (R22), R21                // c6ae3588
	STLXRW	R1, (R0), R3                         // 01fc0388

	LAA	R1, R2, 524287(R3)    // eb213fff7ff8
	LAAG	R4, R5, -524288(R6)   // eb54600080e8
	LAAL	R7, R8, 8192(R9)      // eb87900002fa
	LAALG	R10, R11, -8192(R12)  // ebbac000feea
	LAN	R1, R2, (R3)          // eb21300000f4
	LANG	R4, R5, (R6)          // eb54600000e4
	LAX	R7, R8, (R9)          // eb87900000f7
	LAXG	R10, R11, (R12)       // ebbac00000e7
	LAO	R1, R2, (R3)          // eb21300000f6

		{"VADDPD.RZ_SAE.SAE X0, X1, X2", `bad suffix combination`},

		// BSWAP on 16-bit registers is undefined. See #29167,
		{"BSWAPW DX", `unrecognized instruction`},
		{"BSWAPW R11", `unrecognized instruction`},
	})
}

func testBadInstParser(t *testing.T, goarch string, tests []badInstTest) {
	for i, test := range tests {
		arch, ctxt := setArch(goarch)