1066 	ulong bb;  in paint1()  local
1069 	bb = 1L<<(bn%32);  in paint1()
1070 	if(r->act.b[z] & bb)  in paint1()
1073 		if(!(r->refbehind.b[z] & bb))  in paint1()
1078 		if(!(r1->refahead.b[z] & bb))  in paint1()
1080 		if(r1->act.b[z] & bb)  in paint1()
1085 	if(LOAD(r) & ~(r->set.b[z]&~(r->use1.b[z]|r->use2.b[z])) & bb) {  in paint1()
1092 		r->act.b[z] |= bb;  in paint1()
1095 		if(r->use1.b[z] & bb) {  in paint1()
1102 		if((r->use2.b[z]|r->set.b[z]) & bb) {  in paint1()
1109 		if(STORE(r) & r->regdiff.b[z] & bb) {  in paint1()
1116 		if(r->refbehind.b[z] & bb)  in paint1()
1118 				if(r1->refahead.b[z] & bb)  in paint1()
1121 		if(!(r->refahead.b[z] & bb))  in paint1()
1125 			if(r1->refbehind.b[z] & bb)  in paint1()
1130 		if(r->act.b[z] & bb)  in paint1()
1132 		if(!(r->refbehind.b[z] & bb))  in paint1()
1138 regset(Reg *r, ulong bb)  in regset()  argument
1146 	while(b = bb & ~(bb-1)) {  in regset()
1153 		bb &= ~b;  in regset()
1159 reguse(Reg *r, ulong bb)  in reguse()  argument
1167 	while(b = bb & ~(bb-1)) {  in reguse()
1172 		bb &= ~b;  in reguse()
1182 	ulong bb, vreg, x;  in paint2()  local
1185 	bb = 1L << (bn%32);  in paint2()
1187 	if(!(r->act.b[z] & bb))  in paint2()
1190 		if(!(r->refbehind.b[z] & bb))  in paint2()
1195 		if(!(r1->refahead.b[z] & bb))  in paint2()
1197 		if(!(r1->act.b[z] & bb))  in paint2()
1202 		r->act.b[z] &= ~bb;  in paint2()
1206 		if(r->refbehind.b[z] & bb)  in paint2()
1208 				if(r1->refahead.b[z] & bb)  in paint2()
1211 		if(!(r->refahead.b[z] & bb))  in paint2()
1215 			if(r1->refbehind.b[z] & bb)  in paint2()
1220 		if(!(r->act.b[z] & bb))  in paint2()
1222 		if(!(r->refbehind.b[z] & bb))  in paint2()
1226 	bb = vreg;  in paint2()
1228 		x = r->regu & ~bb;  in paint2()
1231 			bb |= regset(r, x);  in paint2()
1243 	ulong bb;  in paint3()  local
1246 	bb = 1L << (bn%32);  in paint3()
1247 	if(r->act.b[z] & bb)  in paint3()
1250 		if(!(r->refbehind.b[z] & bb))  in paint3()
1255 		if(!(r1->refahead.b[z] & bb))  in paint3()
1257 		if(r1->act.b[z] & bb)  in paint3()
1262 	if(LOAD(r) & ~(r->set.b[z] & ~(r->use1.b[z]|r->use2.b[z])) & bb)  in paint3()
1265 		r->act.b[z] |= bb;  in paint3()
1268 		if(r->use1.b[z] & bb) {  in paint3()
1275 		if((r->use2.b[z]|r->set.b[z]) & bb) {  in paint3()
1283 		if(STORE(r) & r->regdiff.b[z] & bb)  in paint3()
1287 		if(r->refbehind.b[z] & bb)  in paint3()
1289 				if(r1->refahead.b[z] & bb)  in paint3()
1292 		if(!(r->refahead.b[z] & bb))  in paint3()
1296 			if(r1->refbehind.b[z] & bb)  in paint3()
1301 		if(r->act.b[z] & bb)  in paint3()
1303 		if(!(r->refbehind.b[z] & bb))  in paint3()