http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59486
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Last reconfirmed| |2013-12-17 Version|unknown |4.4.6 Resolution|INVALID |--- Ever confirmed|0 |1 --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> --- It was fixed in GCC 4.6 by adding -mvzeroupper.