[Bug tree-optimization/42027] [4.5 Regression] Performance regression in convolution loop optimization

[rguenth at gcc dot gnu dot org]

------- Comment #13 from rguenth at gcc dot gnu dot org  2009-12-16 14:14 -------
It's indeed expand that makes the difference when expanding

;; if (k <= 511 && k <= j != 0)

probably due to the way TER works now.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42027