http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48781
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-04-26
22:30:00 UTC ---
(In reply to comment #2)
> (In reply to comment #1)
> > The alignment of __uint128_t is 16byte. I think you are invoking undefined
> > behavior by using a data type which increases the alignment.
>
> _uint128_t does not assume a 16-byte alignment, right? Maybe using (unsigned
> int *) for pointer 'data' is not an good example.
__uint128_t is a type which has 16byte alignment so yes GCC assumes 16byte
alignment.
