------- Comment #2 from matz at gcc dot gnu dot org  2010-09-07 13:27 -------
The patch at http://gcc.gnu.org/ml/gcc-patches/2010-09/msg00548.html
implements support for consecutive loads with negative step.  It will
vectorize the first testcase.  But not the second one because it only
handled loads, not stores.


matz at gcc dot gnu dot org changed:

           What    |Removed                     |Added
            Summary|Missed vectorization:       |Missed vectorization:
                   |"complicated access pattern"|"complicated access pattern"
                   |for increasing and          |for increasing and
                   |decreasing data indexing    |decreasing data indexing


Reply via email to