[llvm] [AIX][TLS] Optimize the -maix-small-local-exec-tls local-exec access sequence for non-zero offsets (PR #71485)

[via llvm-commits]

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@@ -1514,13 +1522,41 @@ void PPCAsmPrinter::emitInstruction(const MachineInstr *MI) {
   case PPC::LWA: {
     // Verify alignment is legal, so we don't create relocations
     // that can't be supported.
-    unsigned OpNum = (MI->getOpcode() == PPC::STD) ? 2 : 1;
+    unsigned OpNum;
+    if (Subtarget->hasAIXSmallLocalExecTLS())
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stephenpeckham wrote:

Why does hasAIXSmallLocalExecTLS() affect OpNum? Is a comment needed?

https://github.com/llvm/llvm-project/pull/71485