r4                101 gc/darwin_stop_world.c 	GC_push_one(state.r4);
r4                184 gc/darwin_stop_world.c 	GC_push_one(info.r4);
r4                358 gc/win32_threads.c #       define PUSH4(r1,r2,r3,r4) PUSH2(r1,r2), PUSH2(r3,r4)