[llvm] [AMDGPU] Disable atomic optimization of fadd/fsub with result (PR #96479)
Jay Foad via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 3 03:40:47 PDT 2024
jayfoad wrote:
> > @b-sumner @pravinjagtap if the performance of the "uniform fadd/fsub with result" case is important then there might be ways to reinstate the uniform case with an extra bug fix, like writing -0.0 into the first active lane of `%y * +0.0`.
>
> If you're not going to work on this, can you open an issue for it
#97554
https://github.com/llvm/llvm-project/pull/96479
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