[llvm] [AArch64] Legalize fp128 scalars as libcalls for G_FCMP (PR #98452)

[Matt Arsenault via llvm-commits]

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@@ -1120,6 +1263,12 @@ LegalizerHelper::libcall(MachineInstr &MI, LostDebugLocObserver &LocObserver) {
       return Status;
     break;
   }
+  case TargetOpcode::G_FCMP: {
+    LegalizeResult Status = createFCMPLibcall(MIRBuilder, MI, LocObserver);
+    if (Status != Legalized)
+      return Status;
+    break;
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arsenm wrote:

Directly handle everything and return here 

https://github.com/llvm/llvm-project/pull/98452