https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106402
--- Comment #3 from Hongtao.liu <crazylht at gmail dot com> --- (In reply to Thomas Koenig from comment #2) > It would make sense to have it, I guess. If somebody has access > to the relevant hardware, it could also be tested :-) x86 support _Float16 operations with float instructions for TARGET_SSE2 and above. So for preliminary validation, any processor with sse2 should be enough.