[Bug target/57516] [avr] Incorrect fixed-point rounding result in the overflow case

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57516

--- Comment #1 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Created attachment 30282
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30282&action=edit
lib1funcs-fixed.S.diff: libgcc part of the patch