Index: /trunk/ccl/compiler/X86/x86-disassemble.lisp
===================================================================
--- /trunk/ccl/compiler/X86/x86-disassemble.lisp	(revision 5357)
+++ /trunk/ccl/compiler/X86/x86-disassemble.lisp	(revision 5358)
@@ -1166,5 +1166,5 @@
    (make-x86-dis "wbinvd")
    (make-x86-dis "(bad)")
-   (make-x86-dis "ud2a")
+   (make-x86-dis "ud2a" 'op-i +b-mode+)
    (make-x86-dis "(bad)")
    (make-x86-dis nil nil +use-groups+ nil 22)