loophead          865 src/cmd/5c/reg.c 		if(r1->p2 != R && loophead(idom, r1))
loophead         1029 src/cmd/6c/reg.c 		if(r1->p2 != R && loophead(idom, r1))
loophead          967 src/cmd/8c/reg.c 		if(r1->p2 != R && loophead(idom, r1))
loophead          444 src/cmd/gc/popt.c 		if(r1->p2 != nil && loophead(idom, r1))