[Bug middle-end/40168] New: missing unrolling/scalarization/reassoc/free

[jv244 at cam dot ac dot uk]

The testcase to be attached can be compiled with

gfortran -O3 -march=native -ffast-math -funroll-loops -ffree-line-length-200
test.f90 

and as discussed in 
http://gcc.gnu.org/ml/gcc/2009-05/msg00416.html
shows some limitations in optimization of gcc 4.3 4.4 and 4.5


-- 
           Summary: missing unrolling/scalarization/reassoc/free
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jv244 at cam dot ac dot uk


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40168