Altivec + 16 byte alignment

[Neil Booth]

Richard Kenner wrote:-

>     > struct foo {
>     >   int x __attribute__((aligned (512)));
>     > }
>     > 
>     > which might, or might not, end up on the stack.
> 
>     You could diagnose that when the object of that type is declared, just
>     like we have to make other checks (particularly in C++) at that time.
> 
> That won't work for Ada, where you have to give the error on the type
> definition if you can't support the type in all valid contexts.

Exactly, but now it seems *you're* the one arguing for putting the check
in the front end.

Neil.