[Bug driver/60233] AVX instructions emitted with -march=native on host without AVX support

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60233

--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> ---
And while looking at driver-i386.c, it looks to me that the whole osxsave state
check should be moved below (ext_level > 0x80000000) processing, otherwise we
won't clear FMA4 and XOP flags correctly.