[PATCH] D130480: [ARM] Add target feature to force 32-bit atomics

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

> the ability to override setMaxAtomicSizeInBitsSupported() would also be useful in general...

Probably for each target where you want a feature like this, you need to go through and ensure it actually works.  Just overriding setMaxAtomicSizeInBitsSupported() on a target that isn't expecting it is going to either crash, or generate `__sync_*` calls for load/store ops.


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  https://reviews.llvm.org/D130480/new/

https://reviews.llvm.org/D130480