[llvm] [NVPTX] Stop using 16-bit CAS instructions from PTX (PR #120220)

Artem Belevich via llvm-commits llvm-commits at lists.llvm.org
Tue Dec 17 12:21:16 PST 2024


Artem-B wrote:

It looks like under the hood 16-bit atomic ops end up being done via 32-bit CAS: https://godbolt.org/z/8zPdGxfWM

I wish PTX docs would come with more explicit info on what they actually do on a given GPU variant.



https://github.com/llvm/llvm-project/pull/120220


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