register["LR"] = arm64.REGLINK

	// Pseudo-registers.
	register["SB"] = RSB
	register["FP"] = RFP
	register["PC"] = RPC
	register["SP"] = RSP
	// Avoid unintentionally clobbering g using R28.
	delete(register, "R28")
	register["g"] = arm64.REG_R28
	registerPrefix := map[string]bool{
		"F": true,
		"R": true,
		"V": true,
	}

	instructions := make(map[string]obj.As)
	for i, s := range obj.Anames {

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 #define R_x0e0 R24 #define R_x0f0 R28 #define R_x100 R29 #define R_x110 R27 // V0-V7 are A-H // V8-V23 are used for the message schedule #define KI V24 #define FUNC V25 #define S0 V26 #define S1 V27 #define s0 V28 #define s1 V29 #define LEMASK V31 // Permutation control register for little...