[PATCH] D134961: [AMDGPU][MC][GFX11] Correct v_fmac_.*_e64_dpp

[Dmitry Preobrazhensky via Phabricator via llvm-commits]

dp added a comment.

> Unfortunately there is a codegen issue with this patch.

It looks like we have never supported dpp variants of MAC and FMAC opcodes in codegen. `e32` dpp definitions also lack $old argument. See https://github.com/llvm/llvm-project/blob/2812a1413f19b9ebd954b57ecbd021656508eade/llvm/lib/Target/AMDGPU/VOP2Instructions.td#L417


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