RID_X0             52 lj_target_arm64.h #define RID_MIN_KREF		RID_X0
RID_X0             66 lj_target_arm64.h #define RSET_SCRATCH_GPR	(RSET_RANGE(RID_X0, RID_X17+1))
RID_X0             70 lj_target_arm64.h #define REGARG_FIRSTGPR		RID_X0