[Bug target/57355] -march=native ivy bridge i5 shows tuning for sandy bridge

[croutch at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57355

--- Comment #3 from croutch <croutch at gmail dot com> ---
Created attachment 30155
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30155&action=edit
gcc-native-ivy-detect

This patch is not from me and not tested by me.