gused             606 src/cmd/gc/gen.c 			gused(nr);
gused             648 src/cmd/gc/gen.c 		gused(&tmp);
gused            1512 src/cmd/gc/go.h void	gused(Node*);
gused            1319 src/cmd/gc/sinit.c 	gused(N); // in case the data is the dest of a goto