https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19779
--- Comment #11 from Sergey Fedorov <vital.had at gmail dot com> --- (In reply to Jakub Jelinek from comment #7) > Unlikely to be ever fixed, at least Linux has migrated to IEEE quad long > double on powerpc64le. Perhaps several *BSDs and AIX are using IBM format though.