[Bug tree-optimization/31079] 20% difference between ifort/gfortran, missed vectorization

[jv244 at cam dot ac dot uk]

------- Comment #13 from jv244 at cam dot ac dot uk  2008-08-19 13:31 -------
(In reply to comment #11)

> This (PR31079_11.f90) should be a replacement for comment #4, and illustrates
> the vectorizer issue.

The patch Richard posted in PR37150 also improves this PR31079_11.f90 testcase
a lot:

ifort               : 2.54
gfortran (unpatched): 4.00
gfortran (patched)  : 2.96


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31079