loopmark          814 src/cmd/5c/reg.c loopmark(Reg **rpo2r, int32 head, Reg *r)
loopmark          977 src/cmd/6c/reg.c loopmark(Reg **rpo2r, int32 head, Reg *r)
loopmark          915 src/cmd/8c/reg.c loopmark(Reg **rpo2r, int32 head, Reg *r)
loopmark          384 src/cmd/gc/popt.c loopmark(Flow **rpo2r, int32 head, Flow *r)