[Bug driver/54210] gcc unable to detect -mprfchw flag in bulldozer machines

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54210

--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2012-08-09 20:36:47 
UTC ---
(In reply to comment #1)
> Is it OK for upstream?

Please post the patch to gcc-patches@ mailing list, with correct ChangeLog and
testing information.