Index: /trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp	(revision 65028)
+++ /trunk/src/VBox/VMM/VMMAll/IEMAllAImplC.cpp	(revision 65029)
@@ -339,5 +339,5 @@
  */
 #define X86_EFL_CALC_SF(a_uResult, a_cBitsWidth) \
-    ( (uint32_t)((a_uResult) >> ((a_cBitsWidth) - X86_EFL_SF_BIT)) & X86_EFL_SF )
+    ( (uint32_t)((a_uResult) >> ((a_cBitsWidth) - X86_EFL_SF_BIT - 1)) & X86_EFL_SF )
 
 /**