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

[hjl at gcc dot gnu.org]

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

--- Comment #3 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2012-10-02 21:24:51 UTC ---
Author: hjl
Date: Tue Oct  2 21:24:45 2012
New Revision: 192009

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192009
Log:
Document -mprefer-avx128

    Backported from mainline
    PR target/54785
    * doc/invoke.texi: Document -mprefer-avx128.

Modified:
    branches/gcc-4_6-branch/gcc/ChangeLog
    branches/gcc-4_6-branch/gcc/doc/invoke.texi