add compiler_rt functions for f128

* __letf2
 * __cmptf2
 * __getf2
 * __unordtf2
 * __eqtf2
 * __lttf2
 * __netf2
 * __gttf2
e63d864c1eAndrew Kelley committed on 8/17/2017, 11:10:15 PMparent0d117bb
5 files changedLine totals unavailable