[Bug target/97324] -mcpu= isn't validated on x86

[kip at thevertigo dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97324

--- Comment #5 from Kip Warner <kip at thevertigo dot com> ---
The reason I asked is because of that inconsistency in the -mcpu usage on
targets. Thanks for clarifying.