--- a/hotspot/src/share/vm/opto/output.cpp	Wed Jul 10 09:14:25 2013 -0700
+++ b/hotspot/src/share/vm/opto/output.cpp	Fri Jul 05 22:17:47 2013 +0200
@@ -1065,7 +1065,7 @@
   // Compute prolog code size
   _method_size = 0;
   _frame_slots = OptoReg::reg2stack(_matcher->_old_SP)+_regalloc->_framesize;
-#ifdef IA64
+#if defined(IA64) && !defined(AIX)
   if (save_argument_registers()) {
     // 4815101: this is a stub with implicit and unknown precision fp args.
     // The usual spill mechanism can only generate stfd's in this case, which