REGARG_LASTGPR     95 lj_target_arm.h #define REGARG_LASTGPR		RID_R3
REGARG_LASTGPR     88 lj_target_mips.h #define REGARG_LASTGPR		RID_R7
REGARG_LASTGPR     71 lj_target_ppc.h #define REGARG_LASTGPR		RID_R10