590 	int atom;  in compute_local_ud()  local
595 		atom = atomuse(&s->s);  in compute_local_ud()
596 		if (atom >= 0) {  in compute_local_ud()
597 			if (atom == AX_ATOM) {  in compute_local_ud()
603 			else if (atom < N_ATOMS) {  in compute_local_ud()
604 				if (!ATOMELEM(def, atom))  in compute_local_ud()
605 					use |= ATOMMASK(atom);  in compute_local_ud()
610 		atom = atomdef(&s->s);  in compute_local_ud()
611 		if (atom >= 0) {  in compute_local_ud()
612 			if (!ATOMELEM(use, atom))  in compute_local_ud()
613 				killed |= ATOMMASK(atom);  in compute_local_ud()
614 			def |= ATOMMASK(atom);  in compute_local_ud()
621 		atom = atomuse(&b->s);  in compute_local_ud()
622 		if (atom >= 0) {  in compute_local_ud()
623 			if (atom == AX_ATOM) {  in compute_local_ud()
629 			else if (atom < N_ATOMS) {  in compute_local_ud()
630 				if (!ATOMELEM(def, atom))  in compute_local_ud()
631 					use |= ATOMMASK(atom);  in compute_local_ud()
1325 	register int atom;  in deadstmt()  local
1327 	atom = atomuse(s);  in deadstmt()
1328 	if (atom >= 0) {  in deadstmt()
1329 		if (atom == AX_ATOM) {  in deadstmt()
1334 			last[atom] = 0;  in deadstmt()
1336 	atom = atomdef(s);  in deadstmt()
1337 	if (atom >= 0) {  in deadstmt()
1338 		if (last[atom]) {  in deadstmt()
1340 			last[atom]->code = NOP;  in deadstmt()
1342 		last[atom] = s;  in deadstmt()
1350 	register int atom;  in opt_deadstores()  local
1359 	for (atom = 0; atom < N_ATOMS; ++atom)  in opt_deadstores()
1360 		if (last[atom] && !ATOMELEM(b->out_use, atom)) {  in opt_deadstores()
1361 			last[atom]->code = NOP;  in opt_deadstores()
1474 	int atom;  in use_conflict()  local
1480 	for (atom = 0; atom < N_ATOMS; ++atom)  in use_conflict()
1481 		if (ATOMELEM(use, atom))  in use_conflict()
1482 			if (b->val[atom] != succ->val[atom])  in use_conflict()