[llvm] [AMDGPU][MC] Add dpp for V_PK_FMAC_F16 for GFX10 (PR #79598)

[Georg Lehmann via llvm-commits]

DadSchoorse wrote:

> It's there, but not spelled out (it says "V_PK_*")

The "V_PK_*" is in the VOP3P section of the table and `v_pk_fmac_f16` is a VOP2 opcode. The VOP2 section only has exceptions for `FMAMK/AD_F32/16` and 64bit opcodes. So according to the table, `v_pk_fmac_f16` should support DPP.

https://github.com/llvm/llvm-project/pull/79598