[Bug middle-end/87869] Unrolled loop leads to excessive code bloat with -Os on ARC EM.

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87869

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
             Target|                            |arc*
          Component|c                           |middle-end

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So this is a cost model issue. I suspect the tree level cost model does not
take into account some things.  One is const formation.