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

[Shengchen Kan via llvm-commits]

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@@ -1030,30 +1030,32 @@ def : Pat<(X86testpat (loadi64 addr:$src1), i64relocImmSExt32_su:$src2),
 //===----------------------------------------------------------------------===//
 // ANDN Instruction
 //
-multiclass AndN<X86TypeInfo t, string suffix> {
+multiclass AndN<X86TypeInfo t, SDPatternOperator node, string suffix = ""> {
   defvar andn_rr_p =
-    [(set t.RegClass:$dst, EFLAGS, (X86and_flag (not t.RegClass:$src1),
+    [(set t.RegClass:$dst, EFLAGS, (node (not t.RegClass:$src1),
      t.RegClass:$src2))];
   defvar andn_rm_p =
-    [(set t.RegClass:$dst, EFLAGS, (X86and_flag (not t.RegClass:$src1),
+    [(set t.RegClass:$dst, EFLAGS, (node (not t.RegClass:$src1),
      (t.LoadNode addr:$src2)))];
   def rr#suffix : ITy<0xF2, MRMSrcReg, t, (outs t.RegClass:$dst),
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KanRobert wrote:

Missing NoCD8?

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