On Fri, Apr 08, 2005 at 10:11:33AM -0700, Joe Buck wrote:
> On Fri, Apr 08, 2005 at 06:58:54PM +0200, Jakub Jelinek wrote:
> > See middle-end/20794, there is discussion about declaring this
> > invalid. When a type with size that is not an integral multiple
> > of alignment (e.g. smaller size than alignment) is used in an
> > array, we have the choice either to violate the alignment
> > request for second and some subsequent array elements,
> > or make the elements bigger, but then pointer arithmetics
> > won't work very well.
>
> The problem, then, is that there's no way for the user to specify
> that we have an array whose beginning has, say, 16-byte alignment,
> but that after that, the elements have their ordinary sizes (meaning
> that subsequent elements are not aligned).
We do.
char array[32] __attribute__ ((__aligned__ (16)));
Tried HEAD/4.0/3.4/3.2/2.96-RH and it works in all of them.
Jakub
