https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16996 Bug 16996 depends on bug 11824, which changed state.
Bug 11824 Summary: [ARM] Parameter passing via stack could be improved https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11824 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED