rpolca            858 src/cmd/5c/reg.c 				d = rpolca(idom, d, r1->rpo);
rpolca           1022 src/cmd/6c/reg.c 				d = rpolca(idom, d, r1->rpo);
rpolca            960 src/cmd/8c/reg.c 				d = rpolca(idom, d, r1->rpo);
rpolca            437 src/cmd/gc/popt.c 				d = rpolca(idom, d, r1->rpo);