626 	int atom;  in compute_local_ud()  local
631 		atom = atomuse(&s->s);  in compute_local_ud()
632 		if (atom >= 0) {  in compute_local_ud()
633 			if (atom == AX_ATOM) {  in compute_local_ud()
639 			else if (atom < N_ATOMS) {  in compute_local_ud()
640 				if (!ATOMELEM(def, atom))  in compute_local_ud()
641 					use |= ATOMMASK(atom);  in compute_local_ud()
646 		atom = atomdef(&s->s);  in compute_local_ud()
647 		if (atom >= 0) {  in compute_local_ud()
648 			if (!ATOMELEM(use, atom))  in compute_local_ud()
649 				killed |= ATOMMASK(atom);  in compute_local_ud()
650 			def |= ATOMMASK(atom);  in compute_local_ud()
657 		atom = atomuse(&b->s);  in compute_local_ud()
658 		if (atom >= 0) {  in compute_local_ud()
659 			if (atom == AX_ATOM) {  in compute_local_ud()
665 			else if (atom < N_ATOMS) {  in compute_local_ud()
666 				if (!ATOMELEM(def, atom))  in compute_local_ud()
667 					use |= ATOMMASK(atom);  in compute_local_ud()
1427 	register int atom;  in deadstmt()  local
1429 	atom = atomuse(s);  in deadstmt()
1430 	if (atom >= 0) {  in deadstmt()
1431 		if (atom == AX_ATOM) {  in deadstmt()
1436 			last[atom] = 0;  in deadstmt()
1438 	atom = atomdef(s);  in deadstmt()
1439 	if (atom >= 0) {  in deadstmt()
1440 		if (last[atom]) {  in deadstmt()
1446 			last[atom]->code = NOP;  in deadstmt()
1448 		last[atom] = s;  in deadstmt()
1456 	register int atom;  in opt_deadstores()  local
1465 	for (atom = 0; atom < N_ATOMS; ++atom)  in opt_deadstores()
1466 		if (last[atom] && !ATOMELEM(b->out_use, atom)) {  in opt_deadstores()
1467 			last[atom]->code = NOP;  in opt_deadstores()
1473 			vstore(0, &b->val[atom], VAL_UNKNOWN, 0);  in opt_deadstores()
1597 	int atom;  in use_conflict()  local
1603 	for (atom = 0; atom < N_ATOMS; ++atom)  in use_conflict()
1604 		if (ATOMELEM(use, atom))  in use_conflict()
1605 			if (b->val[atom] != succ->val[atom])  in use_conflict()