[PATCH] D122377: [PowerPC] Support 16-byte lock free atomics on pwr8 and up

Tue Apr 5 19:00:09 PDT 2022

lkail added a comment.

In D122377#3428533 <https://reviews.llvm.org/D122377#3428533>, @hubert.reinterpretcast wrote:

> I am not sure that the choice of `isOSBinFormatELF` to (afaik) primarily scope this change from affecting AIX (where we know the library calls are not implemented to be lock-free yet) is better than alternative where the condition is for little-endian mode or specifically for not AIX.

I agree with we should exclude AIX explicitly(use `!isOSAIX()` rather than `isOSBinFormatELF()`) for current situation where AIX's support is on progress as we have known. What is unknown at present is the impact on freebsd.

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  https://reviews.llvm.org/D122377/new/

https://reviews.llvm.org/D122377