rpolca            769 src/cmd/5c/reg.c rpolca(int32 *idom, int32 rpo1, int32 rpo2)
rpolca            932 src/cmd/6c/reg.c rpolca(int32 *idom, int32 rpo1, int32 rpo2)
rpolca            870 src/cmd/8c/reg.c rpolca(int32 *idom, int32 rpo1, int32 rpo2)
rpolca            339 src/cmd/gc/popt.c rpolca(int32 *idom, int32 rpo1, int32 rpo2)