Index: /trunk/ccl/compiler/X86/X8664/x8664-arch.lisp
===================================================================
--- /trunk/ccl/compiler/X86/X8664/x8664-arch.lisp	(revision 5155)
+++ /trunk/ccl/compiler/X86/X8664/x8664-arch.lisp	(revision 5156)
@@ -365,4 +365,6 @@
 (define-subtag s8-vector ivector-class-other-bit 13)
 (define-subtag u8-vector ivector-class-other-bit 14)
+(defconstant min-8-bit-ivector-subtag subtag-s8-vector)
+(defconstant max-8-bit-ivector-subtag subtag-u8-vector)
 (define-subtag bit-vector ivector-class-other-bit 15)
 
