[llvm] [X86][MC] Fix wrong encoding of promoted BMI instructions due to missing NoCD8 (PR #78386)

[Shengchen Kan via llvm-commits]

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@@ -1375,39 +1375,32 @@ let Predicates = [HasBMI2, NoTBM, HasEGPR] in {
                              (MOV8ri (CountTrailingOnes imm:$mask)), sub_8bit))>;
 }
 
-multiclass bmi_pdep_pext<string mnemonic, RegisterClass RC,
-                         X86MemOperand x86memop, SDPatternOperator OpNode,
-                         PatFrag ld_frag, string Suffix = ""> {
-  def rr#Suffix : I<0xF5, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2),
-                    !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
-                    [(set RC:$dst, (OpNode RC:$src1, RC:$src2))]>,
-                  NoCD8, VVVV, Sched<[WriteALU]>;
-  def rm#Suffix : I<0xF5, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
-                    !strconcat(mnemonic, "\t{$src2, $src1, $dst|$dst, $src1, $src2}"),
-                    [(set RC:$dst, (OpNode RC:$src1, (ld_frag addr:$src2)))]>,
-                  NoCD8, VVVV, Sched<[WriteALU.Folded, WriteALU.ReadAfterFold]>;
+multiclass bmi_pdep_pext<string mnemonic, X86TypeInfo t, SDPatternOperator OpNode,
----------------
KanRobert wrote:

OpNode -> node

bmi_pdep_pext -> PdepPext

https://github.com/llvm/llvm-project/pull/78386