Index: /trunk/ccl/compiler/X86/X8664/x8664-arch.lisp
===================================================================
--- /trunk/ccl/compiler/X86/X8664/x8664-arch.lisp	(revision 5762)
+++ /trunk/ccl/compiler/X86/X8664/x8664-arch.lisp	(revision 5763)
@@ -1079,5 +1079,5 @@
          (defx8664subprim .SParef3)
          (defx8664subprim .SPaset3)
-         (defx8664subprim .SPunused-4)
+         (defx8664subprim .SPffcall-return-registers)
          (defx8664subprim .SPunused-5)
          (defx8664subprim .SPunused-6)