567 	int atom;  in compute_local_ud()  local
572 		atom = atomuse(&s->s);  in compute_local_ud()
573 		if (atom >= 0) {  in compute_local_ud()
574 			if (atom == AX_ATOM) {  in compute_local_ud()
580 			else if (atom < N_ATOMS) {  in compute_local_ud()
581 				if (!ATOMELEM(def, atom))  in compute_local_ud()
582 					use |= ATOMMASK(atom);  in compute_local_ud()
587 		atom = atomdef(&s->s);  in compute_local_ud()
588 		if (atom >= 0) {  in compute_local_ud()
589 			if (!ATOMELEM(use, atom))  in compute_local_ud()
590 				killed |= ATOMMASK(atom);  in compute_local_ud()
591 			def |= ATOMMASK(atom);  in compute_local_ud()
598 		atom = atomuse(&b->s);  in compute_local_ud()
599 		if (atom >= 0) {  in compute_local_ud()
600 			if (atom == AX_ATOM) {  in compute_local_ud()
606 			else if (atom < N_ATOMS) {  in compute_local_ud()
607 				if (!ATOMELEM(def, atom))  in compute_local_ud()
608 					use |= ATOMMASK(atom);  in compute_local_ud()
1236 	register int atom;  in deadstmt()  local
1238 	atom = atomuse(s);  in deadstmt()
1239 	if (atom >= 0) {  in deadstmt()
1240 		if (atom == AX_ATOM) {  in deadstmt()
1245 			last[atom] = 0;  in deadstmt()
1247 	atom = atomdef(s);  in deadstmt()
1248 	if (atom >= 0) {  in deadstmt()
1249 		if (last[atom]) {  in deadstmt()
1251 			last[atom]->code = NOP;  in deadstmt()
1253 		last[atom] = s;  in deadstmt()
1261 	register int atom;  in opt_deadstores()  local
1270 	for (atom = 0; atom < N_ATOMS; ++atom)  in opt_deadstores()
1271 		if (last[atom] && !ATOMELEM(b->out_use, atom)) {  in opt_deadstores()
1272 			last[atom]->code = NOP;  in opt_deadstores()
1386 	int atom;  in use_conflict()  local
1392 	for (atom = 0; atom < N_ATOMS; ++atom)  in use_conflict()
1393 		if (ATOMELEM(use, atom))  in use_conflict()
1394 			if (b->val[atom] != succ->val[atom])  in use_conflict()