https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98667
--- Comment #15 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #14)
> (In reply to Martin Liška from comment #13)
> > @H.J. Can you please document that one needs at least i686 CPU for the
> > functionality?
>
> Like this?
>
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index c66a25fcd69..71992b8c597 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -15542,7 +15542,8 @@ which functions and calls should be skipped from
> instrumentation
> (@pxref{Function Attributes}).
>
> Currently the x86 GNU/Linux target provides an implementation based
> -on Intel Control-flow Enforcement Technology (CET).
> +on Intel Control-flow Enforcement Technology (CET) which works for
> +i686 processor or newer.
>
> @item -fstack-protector
> @opindex fstack-protector
Yes, please.
