[llvm-branch-commits] [llvm] [AMDGPU] Require flushed FP16 denormals for the mad-mix f16 results (PR #224911)

[Matt Arsenault via llvm-branch-commits]

https://github.com/arsenm commented:

Really? Where is this documented? Did you confirm this experimentally?

If this is true these instructions are completely useless 

https://github.com/llvm/llvm-project/pull/224911