[Bug middle-end/35360] New: Static (base/offset/size rule) should be extended to handle array elements

xinliangli at gmail dot com gcc-bugzilla@gcc.gnu.org
Mon Feb 25 05:20:00 GMT 2008


// David Li
the two references in the loop are not aliased. Not optimized by gcc

struct A{
 int a;
 int b;
};

struct A aa[100];


void foo(int n, int i, int j)
{
  int k = 0;
  for (k = 0; k < n; k++)
  {
      aa[i].a += aa[j].b;
  }
}


-- 
           Summary: Static (base/offset/size rule) should be extended to
                    handle array  elements
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: xinliangli at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35360



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