On 3/5/08, Andrew Haley <[EMAIL PROTECTED]> wrote:
> The proposed memory model partly described at
> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2338.html
> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2492.html
> http://open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2176.html
> shows the way the C++ committee is moving.  This involves explicit
> atomic operations.

The C++0x standard has formally incorporated the new memory model
and atomic operations into the current working draft for the standard:
http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2008/n2521.pdf
As this standard has not been approved, it may change, but significant
changes are unlikely.

I think gcc would be better served by implementing the standard than
by trying to define a different model, both because getting such models
right is hard and because multiple models make life hard for the
programmers that must code to multiple platforms.

-- 
Lawrence Crowl

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