[cfe-dev] RFC: __atomic_* support for gcc 4.7 compatibility

[Howard Hinnant]

On Apr 10, 2012, at 6:11 PM, David Chisnall wrote:

> On 10 Apr 2012, at 22:57, Howard Hinnant wrote:
> 
>> David, could you revert the initialization statements to use either plain C++, or the __atomic_init intrinsic?
> 
> Sorry, I thought I'd done that already when I fixed initialisation of _Atomic types in clang.  I'm just about to fall asleep, but I'll do it in the morning.  

Of course.  I'd much rather you be awake when you do this. :-)

> 
> __atomic_init() is still required for atomic_init() (in both C11 and C++11) - these are currently using __atomic_store, in libc++, so I'll fix them at the same time.

template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
void
atomic_init(atomic<_Tp>* __o, _Tp __d)
{
    __o->__a_ = __d;
}

Not right?

Howard