462 		switch (OP(m->g->strip[es])) {  in dissect()
465 			es += OPND(m->g->strip[es]);  in dissect()
468 			while (OP(m->g->strip[es]) != O_CH)  in dissect()
469 				es += OPND(m->g->strip[es]);  in dissect()
475 		switch (OP(m->g->strip[ss])) {  in dissect()
577 			esub = ss + OPND(m->g->strip[ss]) - 1;  in dissect()
578 			assert(OP(m->g->strip[esub]) == OOR1);  in dissect()
583 				assert(OP(m->g->strip[esub]) == OOR1);  in dissect()
585 				assert(OP(m->g->strip[esub]) == OOR2);  in dissect()
587 				esub += OPND(m->g->strip[esub]);  in dissect()
588 				if (OP(m->g->strip[esub]) == OOR2)  in dissect()
591 					assert(OP(m->g->strip[esub]) == O_CH);  in dissect()
605 			i = OPND(m->g->strip[ss]);  in dissect()
610 			i = OPND(m->g->strip[ss]);  in dissect()
674 		switch (OP(s = m->g->strip[ss])) {  in backref()
759 			s = m->g->strip[ss];  in backref()
763 			} while (OP(s = m->g->strip[ss]) != O_CH);  in backref()
779 	s = m->g->strip[ss];  in backref()
796 		while (m->g->strip[ss] != SOP(O_BACK, i))  in backref()
822 		assert(OP(m->g->strip[esub]) == OOR1);  in backref()
828 			if (OP(m->g->strip[esub]) == O_CH)  in backref()
831 			assert(OP(m->g->strip[esub]) == OOR2);  in backref()
833 			esub += OPND(m->g->strip[esub]);  in backref()
834 			if (OP(m->g->strip[esub]) == OOR2)  in backref()
837 				assert(OP(m->g->strip[esub]) == O_CH);  in backref()
1053 		s = g->strip[pc];  in step()
1135 			assert(OP(g->strip[pc+OPND(s)]) == OOR2);  in step()
1141 				    OP(s = g->strip[pc+look]) != O_CH;  in step()
1149 			if (OP(g->strip[pc+OPND(s)]) != O_CH) {  in step()
1150 				assert(OP(g->strip[pc+OPND(s)]) == OOR2);  in step()