[llvm] [X86][MC] Add alias for `{evex} cmp` and `{evex} test`. (PR #99277)

[Shengchen Kan via llvm-commits]

================
@@ -3784,6 +3784,68 @@ bool X86AsmParser::processInstruction(MCInst &Inst, const OperandVector &Ops) {
     Inst.setOpcode(X86::INT3);
     return true;
   }
+  // `{evex} cmp <>, <>` is alias of `ccmpt {dfv=of,sf,zf,cf} <>, <>`
----------------
KanRobert wrote:

GAS's behavior is empty dfv

https://github.com/llvm/llvm-project/pull/99277