On Thu, 27 Oct 2016, Bernd Edlinger wrote: > Hi, > > by code reading I became aware that libgcc can call count_leading_zeros > in certain cases which can give undefined results. This happens on > signed int128 -> float or double conversions, when the int128 is in the range > INT64_MAX+1 to UINT64_MAX.
I'd expect testcases added to the testsuite that exercise this case at runtime, if not already present. -- Joseph S. Myers jos...@codesourcery.com