https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94194
--- Comment #3 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- GCC already has implicit knowledge of how FE_* for exceptions relate to the hardware, because it generates calls to __atomic_feraiseexcept, which is defined in libatomic using FE_* from <fenv.h>. I think SPARC Solaris is the only case where this actually turned out to be OS-specific (see SPARC_LOW_FE_EXCEPT_VALUES).
