[Bug fortran/52865] GCC can't vectorize fortran loop but able to vectorize similar c-loop

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52865



--- Comment #14 from Steven Bosscher <steven at gcc dot gnu.org> 2013-01-16 
22:27:31 UTC ---

(In reply to comment #13)

>     PR fortran/52865

>     * trans-stmt.c (gfc_trans_do): Put countm1-- before conditional

>     and use value of countm1 before the decrement in the condition.



Cool, this should help a few Polyhedron benchmarks! :-)