[Bug middle-end/26900] New: Number of iterations not know for simple loop

rguenth at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Tue Mar 28 14:22:00 GMT 2006


int foo0(int i0, int i1)
{
  int i, j = 0;
  for (i=i0; i<=i1+1; ++i)
    ++j;
  return j;
}

we cannot figure out the number of iterations for this loop because of
PR26898 and PR26899.


-- 
           Summary: Number of iterations not know for simple loop
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org
 BugsThisDependsOn: 26898,26899


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26900



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