REG_SP            122 vm_insnhelper.h #define GET_SP()   (USAGE_ANALYSIS_REGISTER_HELPER(1, 0, REG_SP))
REG_SP            123 vm_insnhelper.h #define SET_SP(x)  (REG_SP  = (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
REG_SP            124 vm_insnhelper.h #define INC_SP(x)  (REG_SP += (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
REG_SP            125 vm_insnhelper.h #define DEC_SP(x)  (REG_SP -= (USAGE_ANALYSIS_REGISTER_HELPER(1, 1, (x))))
REG_SP            129 vm_insnhelper.h #define GET_SP_COUNT() (REG_SP - th->stack)