X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fgeneric%2Fvm-type.lisp;h=a900222c2a43962ea064936c236e34b12e6e33f7;hb=7646aefa188758e2892fea2ad02be4f29b3938f2;hp=cde035f63deb13d33a0f1277c4e3c50498657048;hpb=cd1f265dd851941557ed3f764248c339c07493a9;p=sbcl.git

diff --git a/src/compiler/generic/vm-type.lisp b/src/compiler/generic/vm-type.lisp
index cde035f..a900222 100644
--- a/src/compiler/generic/vm-type.lisp
+++ b/src/compiler/generic/vm-type.lisp
@@ -33,7 +33,7 @@
   `(single-float ,low ,high))
 
 ;;; an index into an integer
-(sb!xc:deftype bit-index () `(integer 0 ,most-positive-fixnum))
+(sb!xc:deftype bit-index () `(integer 0 ,sb!xc:most-positive-fixnum))
 
 ;;; worst-case values for float attributes
 (sb!xc:deftype float-exponent ()
@@ -43,6 +43,9 @@
   #!-long-float `(integer 0 ,sb!vm:double-float-digits)
   #!+long-float `(integer 0 ,sb!vm:long-float-digits))
 (sb!xc:deftype float-radix () '(integer 2 2))
+(sb!xc:deftype float-int-exponent ()
+  #!-long-float 'double-float-int-exponent
+  #!+long-float 'long-float-int-exponent)
 
 ;;; a code for BOOLE
 (sb!xc:deftype boole-code () '(unsigned-byte 4))
@@ -124,6 +127,16 @@
 		    (return stype))))))
     type))
 
+(defun sb!xc:upgraded-array-element-type (spec &optional environment)
+  #!+sb-doc
+  "Return the element type that will actually be used to implement an array
+   with the specifier :ELEMENT-TYPE Spec."
+  (declare (ignore environment))
+  (if (unknown-type-p (specifier-type spec))
+      (error "undefined type: ~S" spec)
+      (type-specifier (array-type-specialized-element-type
+		       (specifier-type `(array ,spec))))))
+
 ;;; Return the most specific integer type that can be quickly checked that
 ;;; includes the given type.
 (defun containing-integer-type (subtype)