http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48511
--- Comment #10 from Janne Blomqvist <jb at gcc dot gnu.org> 2011-04-28 09:30:10 UTC --- As an addendum to the above, one thing we could do with modest effort and without importing Gay's code would be to remove trailing zeros for G0 (and maybe list directed) output.