//	LSHW imm ',' sreg ',' rreg
//	{
//		outcode(int($1), &$2, int($4), &$6);
//	}
	SLL	$19, R22, R21	// 0016acc0
	SLLV	$19, R22, R21	// 0016acf8
	SRL	$31, R6, R17	// 00068fc2
	SRLV	$31, R6, R17	// 00068ffa
	SRA	$8, R8, R19	// 00089a03
	SRAV	$19, R8, R7	// 00083cfb
	ROTR	$12, R8, R3	// 00281b02
	ROTRV	$8, R22, R22	// 0036b23a

//	LSHW imm ',' rreg
//	{
//		outcode(int($1), &$2, 0, &$4);
//	}

	ISB $15                                    // df3f03d5
	LDARW (R12), R29                           // 9dfddf88
	LDARW (R30), R22                           // d6ffdf88
	LDARW (RSP), R22                           // f6ffdf88
	LDAR (R27), R22                            // 76ffdfc8
	LDARB (R25), R2                            // 22ffdf08
	LDARH (R5), R7                             // a7fcdf48

	MSR	R6, APDBKeyHi_EL1                  // 662218d5
	MRS	APDBKeyLo_EL1, R5                  // 452238d5
	MSR	R22, APDBKeyLo_EL1                 // 562218d5
	MRS	APGAKeyHi_EL1, R22                 // 362338d5
	MSR	R5, APGAKeyHi_EL1                  // 252318d5
	MRS	APGAKeyLo_EL1, R16                 // 102338d5
	MSR	R22, APGAKeyLo_EL1                 // 162318d5
	MRS	APIAKeyHi_EL1, R23                 // 372138d5

	{"R12", "R12"},
	{"R13", "R13"},
	{"R14", "R14"},
	{"R15", "R15"},
	{"R16", "R16"},
	{"R17", "R17"},
	{"R18", "R18"},
	{"R19", "R19"},
	{"R2", "R2"},
	{"R20", "R20"},
	{"R21", "R21"},
	{"R22", "R22"},
	{"R23", "R23"},
	{"R24", "R24"},
	{"R25", "R25"},
	{"R26", "R26"},
	{"R27", "R27"},
	{"R28", "R28"},
	{"R29", "R29"},
	{"R3", "R3"},
	{"R31", "R31"},
	{"R4", "R4"},
	{"R5", "R5"},

		register[obj.Rconv(i)] = int16(i)
	}

	// Pseudo-registers.
	register["SB"] = RSB
	register["FP"] = RFP
	register["PC"] = RPC
	// Avoid unintentionally clobbering g using R22.
	delete(register, "R22")
	register["g"] = loong64.REG_R22
	registerPrefix := map[string]bool{
		"F":    true,
		"FCSR": true,
		"FCC":  true,
		"R":    true,
		"V":    true,
		"X":    true,
	}

(R16, R17) LDP 1*16(b_ptr), (R19, R20) LDP 2*16(b_ptr), (R21, R22) CSEL EQ, R16, R4, R4 CSEL EQ, R17, R5, R5 CSEL EQ, R19, R6, R6 CSEL EQ, R20, R7, R7 CSEL EQ, R21, R8, R8 CSEL EQ, R22, R9, R9 STP (R4, R5), 0*16(res_ptr) STP (R6, R7), 1*16(res_ptr) STP (R8, R9), 2*16(res_ptr) LDP 3*16(a_ptr), (R4, R5) LDP 4*16(a_ptr), (R6, R7) LDP 5*16(a_ptr), (R8, R9) LDP 3*16(b_ptr), (R16, R17) LDP 4*16(b_ptr), (R19, R20) LDP 5*16(b_ptr), (R21, R22) CSEL EQ, R16, R4, R4 CSEL EQ, R17, R5, R5 CSEL EQ, R19, R6, R6...