[Bug rtl-optimization/32084] gfortran 4.3 13%-18% slower for induct.f90 than gcc 4.0-based competitor

rguenth at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Thu Jun 28 11:40:00 GMT 2007



------- Comment #12 from rguenth at gcc dot gnu dot org  2007-06-28 11:40 -------
I suspect the vectorizer leaves us with too much dead statements that confuse
the complete unrollers size cost metric.  Running dce after vectorization might
fix this.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32084



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