diff --git a/compiler/mips/call.lisp b/compiler/mips/call.lisp
index 0dc083246886751e0aaaa35b9cee3b6d01d57dd4..806d31ad5cbade07f433251b1ed9d7c7b25effe6 100644
--- a/compiler/mips/call.lisp
+++ b/compiler/mips/call.lisp
@@ -7,7 +7,7 @@
 ;;; Scott Fahlman or slisp-group@cs.cmu.edu.
 ;;;
 (ext:file-comment
-  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/mips/call.lisp,v 1.51 1992/09/23 13:43:20 ram Exp $")
+  "$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/mips/call.lisp,v 1.52 1992/10/19 14:12:55 wlott Exp $")
 ;;;
 ;;; **********************************************************************
 ;;;
@@ -1217,12 +1217,15 @@ default-value-8
 ;;; stack top.
 ;;;
 (define-vop (more-arg-context)
+  (:policy :fast-safe)
+  (:translate c::%more-arg-context)
   (:args (supplied :scs (any-reg)))
-  (:arg-types positive-fixnum)
+  (:arg-types tagged-num (:constant fixnum))
   (:info fixed)
-  (:results
-   (context :scs (descriptor-reg))
-   (count :scs (any-reg descriptor-reg)))
+  (:results (context :scs (descriptor-reg))
+	    (count :scs (any-reg)))
+  (:result-types t tagged-num)
+  (:note "more-arg-context")
   (:generator 5
     (inst addu count supplied (fixnum (- fixed)))
     (inst subu context csp-tn count)))