> > The problem is that when we discussed this patch on ODP call people very
> > worry about having 128bit instructions in ODP examples. At least Petri
> > and Barry asked if it would be possible to rewrite that with 64 bit
> > instructions? Some compilers might not support 128 bits and we need to
> > test it more.
> 
> On 32-bit platforms, it already does use 64-bit atomics. In general, though,
> the example hinges around having atomics that are twice the pointer size.
> We've actually discussed this on the list already in the thread "32-bit
> support in examples". Even if lock-free implementations can't be used,
> compilers can (and frequently do?) provide a lock-based compare exchange
> operation.

Any progress on this?

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