On Fri, Jan 08, 2016 at 03:28:53PM +0000, [email protected] wrote:
> If it really is necessary to say that memcpy is defined to behave as if it
> had a cast to char* in its implementation, it would still be useful -- and
> obviously valid -- to rely on the greater alignment when there is other code
> in the block that uses it. And it would be helpful to have a way in the
> source program to say "I want you to rely on the type alignment".
We have a way to say that, look for __builtin_assume_aligned.
Jakub
