loophead          800 src/cmd/5c/reg.c loophead(int32 *idom, Reg *r)
loophead          963 src/cmd/6c/reg.c loophead(int32 *idom, Reg *r)
loophead          901 src/cmd/8c/reg.c loophead(int32 *idom, Reg *r)
loophead          370 src/cmd/gc/popt.c loophead(int32 *idom, Flow *r)