--- old/src/cpu/ppc/vm/interp_masm_ppc_64.cpp	2014-09-08 15:36:17.885739020 +0200
+++ new/src/cpu/ppc/vm/interp_masm_ppc_64.cpp	2014-09-08 15:36:17.509739009 +0200
@@ -1166,9 +1166,9 @@
   beq(CCR0, overflow_with_error);
 
   // Has the nmethod been invalidated already?
-  lwz(Rtmp, nmethod::entry_bci_offset(), R3_RET);
-  cmpwi(CCR0, Rtmp, InvalidOSREntryBci);
-  beq(CCR0, overflow_with_error);
+  lbz(Rtmp, nmethod::state_offset(), R3_RET);
+  cmpwi(CCR0, Rtmp, 0);
+  bne(CCR0, overflow_with_error);
 
   // Migrate the interpreter frame off of the stack.
   // We can use all registers because we will not return to interpreter from this point.