arichardson wrote:
The downstream CHERI fork uses a `f` flag on the pointer spec ("fat pointer")
to indentify CHERI capabilities. These have an additional property that partial
copies are not possible since they would invalidate the result. I considered
adding another flag to prevent splitting of loads/stores but this is not part
of this commit. I imagine this property would also be useful for pointer
schemes that use out-of-band metadata tables for pointers (e.g. Intel's no
longer supported MPX or other similar schemes). Let me know if adding this
would also be useful for any other downstreams.
https://github.com/llvm/llvm-project/pull/105735
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