XI_PUSHi8          17 lj_asm_x86.h     *mxp++ = XI_PUSHi8; *mxp++ = (MCode)groupofs;
XI_PUSHi8          20 lj_asm_x86.h       *mxp++ = XI_PUSHi8; *mxp++ = (MCode)(groupofs + i);
XI_PUSHi8          23 lj_asm_x86.h     *mxp++ = XI_PUSHi8; *mxp++ = (MCode)((group*EXITSTUBS_PER_GROUP)>>8);