REG_SP             91 vm_insnhelper.h #define GET_SP()   (COLLECT_USAGE_REGISTER_HELPER(SP, GET, REG_SP))
REG_SP             92 vm_insnhelper.h #define SET_SP(x)  (REG_SP  = (COLLECT_USAGE_REGISTER_HELPER(SP, SET, (x))))
REG_SP             93 vm_insnhelper.h #define INC_SP(x)  (REG_SP += (COLLECT_USAGE_REGISTER_HELPER(SP, SET, (x))))
REG_SP             94 vm_insnhelper.h #define DEC_SP(x)  (REG_SP -= (COLLECT_USAGE_REGISTER_HELPER(SP, SET, (x))))
REG_SP             98 vm_insnhelper.h #define GET_SP_COUNT() (REG_SP - th->stack)