[Bug tree-optimization/41879] [4.5 Regression] 172.mgrid regression, vectorizer prevents predictive commoning

[irar at il dot ibm dot com]

------- Comment #5 from irar at il dot ibm dot com  2009-11-12 07:51 -------
(In reply to comment #4)
> I didn't check yet.  We'll work on a simple cost-model integration of
> predcom.

You mean, vectorizer cost model will take predcom into account?

If the vectorization is not profitable (vs. scalar without predcom), it can be
a matter of vectorizer cost model tuning (looks easier).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41879