https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96793
--- Comment #9 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Paweł Bylica from comment #8) > Did you consider fixing the __builtin_floor() implementation? No, because you can use -msse4 to generate ROUNDxx instructions.