https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115688
--- Comment #6 from Peter Bergner <bergner at gcc dot gnu.org> ---
(In reply to Segher Boessenkool from comment #5)
> (In reply to Peter Bergner from comment #4)
> > That said, how does your patch handle the following test case?
> >
> > long __attribute__ ((target ("no-altivec,vsx")))
> > foo (void)
> > {
> > return 0;
> > }
>
> It should hard error for it. That combination is not valid. VSX requires
> VMX.
Agreed. I think all invalid option combinations should be hard errors.
> -mabi={no-,}altivec is only for the 32-bit ABIs. All the 64-bit ABIs had
> either only compatible changes to support VMX, or only ever had support for
> it in the first place.
In that case, -mabi=no-altivec should also be a hard error if -m64 is in
effect.
