[fpc-pascal] Barriers semantics

denisgolovan denisgolovan at yandex.ru
Mon Aug 14 18:19:24 CEST 2023

Hi all

Now we have "volatile" intrinsic for assignments in place, I'd like to ask for another clarification.
Documentation states we have following barriers - ReadBarrier, WriteBarrier, ReadDependencyBarrier, ReadWriteBarrier.

I'd like to get an idea how those related to more common / standard terms - Acquire/Release & their combinations?
Is it safe to assume that:

ReadBarrier - Acquire
WriteBarrier - Release
ReadWriteBarrier - Acquire+Release 
ReadDependencyBarrier - which one is that?

-- Regards,
Denis Golovan

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