[Bug target/54785] -mprefer-avx128 is undocumented

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54785

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|4.7.3                       |4.6.4

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2012-10-02 21:29:10 UTC ---
Fixed for 4.6.4, 4.7,3 and 4.8.0.