[Bug tree-optimization/35229] Vectorizer doesn't support dependence created by predictive commoning

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2009-02-25 14:33 -------
Or like the following, which is just a bunch of reductions of two elements

float data[1024];

void foo(void)
{
  int i;
  for (i = 1; i < 1024; ++i)
    data[i] = data[i] + data[i-1];
}


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35229