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Subject: [Bug rtl-optimization/46279] cmov not hoisted out of the loop
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-11-02 21:31:03 UTC ---
Try -O3.  -O3 enables -funswitch-loops which does this.