[llvm-branch-commits] [llvm] AMDGPU: Define v_mfma_f32_{16x16x128|32x32x64}_f8f6f4 instructions (PR #116723)

[Matt Arsenault via llvm-branch-commits]

https://github.com/arsenm commented:

Going to put this one off to reduce future conflicts 

https://github.com/llvm/llvm-project/pull/116723