AND $-9223372036854775808, R1, R1          // 21004192
	ANDW $4026540031, R29, R2                  // a2430412
	AND $34903429696192636, R12, R19           // 93910e92
	ANDW R9@>7, R19, R26                       // 7a1ec90a
	AND R9@>7, R19, R26                        // 7a1ec98a
	TSTW $2863311530, R24                      // 1ff30172
	TST R2, R0                                 // 1f0002ea
	TST $7, R2                                 // 5f0840f2

	ADD	$-7193, R24	// 2318e3e7
	ADDV	$-7193, R24	// 6318e3e7

//	LSUBW rreg ',' sreg ',' rreg
//	{
//		outcode(int($1), &$2, int($4), &$6);
//	}
	SUB	R6, R26, R27	// 0346d822
	SUBU	R6, R26, R27	// 0346d823
	SUBV	R16, R17, R26	// 0230d02e
	SUBVU	R16, R17, R26	// 0230d02f

//	LSUBW imm ',' sreg ',' rreg
//	{
//		outcode(int($1), &$2, int($4), &$6);
//	}
	SUB	$-3126, R17, R22	// 22360c36

	{"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"},
	{"R6", "R6"},
	{"R7", "R7"},
	{"R8", "R8"},
	{"R9", "R9"},

	ADD	$1024,R10,R10	// &tab[5]
	SLD	$2,R24,R24	// crc>>16&0xFF*4
	MOVWZ	(R10)(R24),R26	// tab[5][crc>>16&0xFF]
	XOR	R21,R26,R21	// xor done R26
	RLDICL	$56,R7,$56,R25	// crc>>8
	ADD	$1024,R10,R10	// &tab[6]
	SLD	$2,R25,R25	// crc>>8&FF*2
	MOVBZ   R7,R26          // crc&0xFF
	MOVWZ	(R10)(R25),R27	// tab[6][crc>>8&0xFF]
	ADD 	$1024,R10,R10   // &tab[7]
	SLD	$2,R26,R26	// crc&0xFF*2
	XOR	R21,R27,R21	// xor done R27

	// Using a tail call here cleans up tracebacks since we won't stop
	// at an intermediate systemstack.
	MOVD	0(R26), R3	// code pointer
	MOVD.P	16(RSP), R30	// restore LR
	SUB	$8, RSP, R29	// restore FP
	B	(R3)

// func switchToCrashStack0(fn func())
TEXT runtime·switchToCrashStack0<ABIInternal>(SB), NOSPLIT, $0-8
	MOVD	R0, R26    // context register
	MOVD	g_m(g), R1 // curm

	// set g to gcrash

	MOVDU 32(R8), R23	// R23 = x[i+3]
	ADDZE R20, R24		// R24 = x[i] + CA
	ADDZE R21, R25		// R25 = x[i+1] + CA
	ADDZE R22, R26		// R26 = x[i+2] + CA
	ADDZE R23, R27		// R27 = x[i+3] + CA
	MOVD  R24, 8(R10)	// z[i]
	MOVD  R25, 16(R10)	// z[i+1]
	MOVD  R26, 24(R10)	// z[i+2]
	MOVDU R27, 32(R10)	// z[i+3]
	ADD   $-4, R11		// R11 = z_len - 4
	BDNZ  loop

	// We may have some elements to read

	BR	restore

good:
#define DEBUG_CALL_DISPATCH(NAME,MAXSIZE)	\
	MOVD	$MAXSIZE, R23;			\
	CMP	R26, R23;			\
	BGT	5(PC);				\
	MOVD	$NAME(SB), R26;			\
	MOVD	R26, 32(R1);			\
	CALL	runtime·debugCallWrap(SB);	\
	BR	restore

	// the argument frame size
	MOVD	128(R1), R26

	DEBUG_CALL_DISPATCH(debugCall32<>, 32)
	DEBUG_CALL_DISPATCH(debugCall64<>, 64)

	p("MOVW.P %d(R13), R15", lfp.stack+4) // load PC, pop frame (including the space pushed by sigctxt.pushCall)
	p("UNDEF")                            // shouldn't get here
}

func genARM64() {
	// Add integer registers R0-R26
	// R27 (REGTMP), R28 (g), R29 (FP), R30 (LR), R31 (SP) are special
	// and not saved here.
	var l = layout{sp: "RSP", stack: 8} // add slot to save PC of interrupted instruction
	for i := 0; i < 26; i += 2 {

	"R6",
	"R7",
	"R8",
	"R9",
	"R10",
	"R11",
	"R12",
	"R13",
	"R14",
	"R15",
	"R16",
	"R17",
	"R18",
	"R19",
	"R20",
	"R21",
	"g", // aka R22
	"R23",
	"R24",
	"R25",
	"R26",
	"R27",
	"R28",
	"R29",
	// R30 is REGTMP not used in regalloc
	"R31",

	"F0",
	"F1",
	"F2",
	"F3",
	"F4",
	"F5",
	"F6",
	"F7",
	"F8",
	"F9",
	"F10",
	"F11",
	"F12",

#define END	R5
#define TBL	R6
#define CNT	R8
#define LEN	R9
#define TEMP	R12

#define TBL_STRT R7 // Pointer to start of kcon table.

#define R_x000	R0
#define R_x010	R10
#define R_x020	R25
#define R_x030	R26
#define R_x040	R14
#define R_x050	R15
#define R_x060	R16
#define R_x070	R17
#define R_x080	R18
#define R_x090	R19
#define R_x0a0	R20
#define R_x0b0	R21
#define R_x0c0	R22
#define R_x0d0	R23