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Clarify "atomic_ref" with private address space #986

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Clarify "atomic_ref" with private address space #986

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5 changes: 5 additions & 0 deletions adoc/chapters/programming_interface.adoc
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Expand Up @@ -20648,6 +20648,11 @@ operations in device code with a syntax similar to the {cpp} standard
[code]#std::atomic_ref#.
The [code]#sycl::atomic_ref# class must not be used in host code.

The referenced object of type [code]#T# must not reside in the private address
space.
If [code]#atomic_ref# is constructed with a reference to an object in the
private address space, the behavior is undefined.

Unlike [code]#std::atomic_ref#, [code]#sycl::atomic_ref# does not provide a
default memory ordering for its operations.
Instead, the application must specify a default ordering via the
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