[Bug tree-optimization/42108] [4.4/4.5 Regression] 50% performance regression

[rguenth at gcc dot gnu dot org]

------- Comment #44 from rguenth at gcc dot gnu dot org  2009-12-19 19:41 -------
PR42436 now tracks the possible VRP and middle-end improvement.  Only the
PRE fixing possibility would count as a regression fix IMHO.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42108