https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77586
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- My offer at <https://gcc.gnu.org/ml/gcc-patches/2016-08/msg01829.html> to provide an untested patch to always enable TFmode support in libgcc on ia64, if such an untested patch would be useful, stands.