[llvm] [Xtensa] Implement SEXT, NSA, MINMAX and Loop Xtensa Options. (PR #133818)

[Fangrui Song via llvm-commits]

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@@ -105,6 +105,21 @@ void XtensaInstPrinter::printBranchTarget(const MCInst *MI, int OpNum,
     llvm_unreachable("Invalid operand");
 }
 
+void XtensaInstPrinter::printLoopTarget(const MCInst *MI, int OpNum,
+                                        raw_ostream &OS) {
+  const MCOperand &MC = MI->getOperand(OpNum);
+  if (MI->getOperand(OpNum).isImm()) {
+    int64_t Val = MC.getImm() + 4;
+    OS << ". ";
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MaskRay wrote:

If the operand is an address, you'd need OPERAND_PCREL. See https://reviews.llvm.org/D72172

https://github.com/llvm/llvm-project/pull/133818