[Bug tree-optimization/60172] ARM performance regression from trunk@207239

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60172

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2014-02-13
                 CC|                            |rguenth at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Please check the rev. after

2014-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/59993
        * tree-ssa-forwprop.c (associate_pointerplus): Check we
        can propagate form the earlier stmt and avoid the transform
        when the intermediate result is needed.

which avoids a case where extra expresions could have been introduced.

Also ... can you attach the Dhrystone variant you are using?

Also I can double the benchmark score on my machine when using -O3
-fwhole-program.