http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56787
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Keywords| |missed-optimization Last reconfirmed| |2013-04-02 Component|c |tree-optimization CC| |matz at gcc dot gnu.org Ever Confirmed|0 |1 Summary|4.8.0 Vectorization |[4.8/4.9 Regression] |Regression Compared to |Vectorization fails because |4.7.2 |of CLOBBER statements Target Milestone|--- |4.8.1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-02 12:02:39 UTC --- t.c:137: note: not vectorized: no vectype for stmt: u ={v} {CLOBBER}; scalar_type: float[5] t.c:137: note: bad data references. t.c:137: note: ***** Re-trying analysis with vector size 16