[llvm] [X86][MC] Support Enc/Dec for NF for promoted BMI instructions in 73899 (PR #76709)

[Phoebe Wang via llvm-commits]

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@@ -1054,6 +1054,10 @@ defm ANDN32 : AndN<Xi32, "">, VEX, Requires<[HasBMI, NoEGPR]>;
 defm ANDN64 : AndN<Xi64, "">, VEX, REX_W, Requires<[HasBMI, NoEGPR]>;
 defm ANDN32 : AndN<Xi32, "_EVEX">, EVEX, Requires<[HasBMI, HasEGPR, In64BitMode]>;
 defm ANDN64 : AndN<Xi64, "_EVEX">, EVEX, REX_W, Requires<[HasBMI, HasEGPR, In64BitMode]>;
+let Pattern = [(null_frag)] in {
+defm ANDN32 : AndN<Xi32, "_NF">, EVEX, EVEX_NF, Requires<[In64BitMode]>;
+defm ANDN64 : AndN<Xi64, "_NF">, EVEX, EVEX_NF, REX_W, Requires<[In64BitMode]>;
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phoebewang wrote:

indentation

https://github.com/llvm/llvm-project/pull/76709