// Create maps for easy lookup of instruction names etc.
	// Note that there is no list of names as there is for 386 and amd64.
	register[obj.Rconv(arm64.REGSP)] = int16(arm64.REGSP)
	for i := arm64.REG_R0; i <= arm64.REG_R31; i++ {
		register[obj.Rconv(i)] = int16(i)
	}
	// Rename R18 to R18_PLATFORM to avoid accidental use.
	register["R18_PLATFORM"] = register["R18"]
	delete(register, "R18")