[Bug tree-optimization/37579] [4.4 Regression] Vectorizer is causing code bloat and worse performance than unrolling would for a loop in SPEC 2k's eon

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2008-09-20 03:12 -------
This is a regression as 4.3 enables the vectorizer at -O3.  This is just one
example of where tuning is still needed for the vectorizer.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Vectorizer is causing code  |[4.4 Regression] Vectorizer
                   |bloat and worse performance |is causing code bloat and
                   |than unrolling would for a  |worse performance than
                   |loop in SPEC 2k's eon       |unrolling would for a loop
                   |                            |in SPEC 2k's eon
   Target Milestone|---                         |4.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37579