[Bug tree-optimization/37573] [4.4 Regression] gcc-4.4 regression: incorrect code generation with -O1 -ftree-vectorize

[jakub at gcc dot gnu dot org]

------- Comment #5 from jakub at gcc dot gnu dot org  2008-09-19 17:52 -------
The data dependence on the previous loop is clearly not considered, the loop is
vectorized as if c on the rhs and c on the lhs were different non-overlapping
arrays.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37573