http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55091
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2012-10-27 00:01:11 UTC --- One can also use RUNTESTFLAGS="--target_board='unix{-mavx}'" to test -mavx. I am not sure if libgo supports it.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55091
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2012-10-27 00:01:11 UTC --- One can also use RUNTESTFLAGS="--target_board='unix{-mavx}'" to test -mavx. I am not sure if libgo supports it.