On Wed, May 27, 2020 at 03:37:13PM +0300, Andy Shevchenko wrote:
> On Wed, May 27, 2020 at 12:41:07PM +0100, Jonathan Cameron wrote:
> > On Wed, 27 May 2020 00:03:13 +0300
> > Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
...
> > So I think that means we can safely do
> >
> > struct {
> > u8 channel;
> > s64 ts __aligned(8);
> > };
>
> I don't know how this attribute will affect *a member* of the struct. Perhaps
> it's straightforward and GCC simple apply it to POD.
>
> > and be guaranteed correct padding and alignment in what I think is
> > a fairly readable form. It's also self documenting so I can
> > probably drop some of the explanatory comments.
>
> If it is documented, then I fully agree, otherwise will look
> like a (fragile) hack.
I meant here if __aligned() behaviour against POD inside the structure
is documented in GCC manuals / etc.
--
With Best Regards,
Andy Shevchenko
