[Bug tree-optimization/39200] New: ivopts slows down SciMark sparse matrix benchmark

[bonzini at gnu dot org]

Split off from PR21676, which is no longer a regression but where "-O2
-fno-ivopts" is still much faster than "-O2".

For the testcase, see that PR.


-- 
           Summary: ivopts slows down SciMark sparse matrix benchmark
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bonzini at gnu dot org
GCC target triplet: i686-pc-linux-gnu
OtherBugsDependingO 21676
             nThis:


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39200