https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119681
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|extraneous move |move instructions inside
|instructions when unrolling |the unrolled loop of
|core_list_reverse () with |core_list_reverse () with
|-O3 -funroll-all-loops; not |-O3 -funroll-all-loops; not
|copying the return block |copying the return block
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note these moves are needed and not extraneous. But rather the moves should be
outside of the loop instead.