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Re: __sync_lock_test_and_set on ARM


Andrew Haley wrote:
David Daney writes:
> There is nothing that says that __sync_compar_and_swap() cannot expand > to a libcall.


Err, if a port doen't have an implementation, that's what gcc does
anyway.  :-)

That's what the docs say, but actually if you try to use __sync_* on ARM you'll get a linker error. A library implementation would need to be OS-specific.



Phil.






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