if a+5 <= 0 {
		return 1
	}

	// arm64:`CMN`,-`ADD`,`(BMI|BPL)`
	if a+13 >= 0 {
		return 2
	}

	// arm64:`CMP|CMN`,-`(ADD|SUB)`,`(BMI|BPL)`
	if a-7 < 0 {
		return 3
	}

	// arm64:`SUB`,`TBZ`
	if a-11 >= 0 {
		return 4
	}

	// arm64:`SUB`,`CMP`,`BGT`
	if a-19 > 0 {
		return 4
	}

	// arm64:`CMNW`,-`ADDW`,`(BMI|BPL)`
	// arm:`CMN`,-`ADD`,`(BMI|BPL)`

}

var arm64Jump = map[string]bool{
	"B":     true,
	"BL":    true,
	"BEQ":   true,
	"BNE":   true,
	"BCS":   true,
	"BHS":   true,
	"BCC":   true,
	"BLO":   true,
	"BMI":   true,
	"BPL":   true,
	"BVS":   true,
	"BVC":   true,
	"BHI":   true,
	"BLS":   true,
	"BGE":   true,
	"BLT":   true,
	"BGT":   true,
	"BLE":   true,
	"CALL":  true,
	"CBZ":   true,
	"CBZW":  true,

	X8:  "xmm8",
	X9:  "xmm9",
	X10: "xmm10",
	X11: "xmm11",
	X12: "xmm12",
	X13: "xmm13",
	X14: "xmm14",
	X15: "xmm15",

	// TODO: Maybe the constants are named wrong.
	SPB: "spl",
	BPB: "bpl",
	SIB: "sil",
	DIB: "dil",

	R8L:  "r8d",
	R9L:  "r9d",
	R10L: "r10d",
	R11L: "r11d",
	R12L: "r12d",
	R13L: "r13d",
	R14L: "r14d",
	R15L: "r15d",

}

var gccRegName = [...]string{
	0:    "REG0",
	AL:   "%al",
	CL:   "%cl",
	BL:   "%bl",
	DL:   "%dl",
	AH:   "%ah",
	CH:   "%ch",
	BH:   "%bh",
	DH:   "%dh",
	SPB:  "%spl",
	BPB:  "%bpl",
	SIB:  "%sil",
	DIB:  "%dil",
	R8B:  "%r8b",
	R9B:  "%r9b",
	R10B: "%r10b",
	R11B: "%r11b",
	R12B: "%r12b",
	R13B: "%r13b",
	R14B: "%r14b",
	R15B: "%r15b",
	AX:   "%ax",
	CX:   "%cx",

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