GET_SP           2449 vm_insnhelper.c 	VALUE * const rsp = GET_SP() - calling->argc;
GET_SP             33 vm_insnhelper.h #define TOPN(n) (*(GET_SP()-(n)-1))
GET_SP             36 vm_insnhelper.h #define STACK_ADDR_FROM_TOP(n) (GET_SP()-(n))
GET_SP             95 vm_insnhelper.h #define SET_SV(x)  (*GET_SP() = (x))