X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftypedefs.lisp;h=23179304d5bd9a472fefd64d5c4231fadd35c109;hb=93c8158fd4996e2a7184eb0f8d63812a7bc2562c;hp=6169aceafbb13bed42ab32a14ea34138c927dbd5;hpb=722703e7cbd3a4b279a4c1baab5d95df2c23cce9;p=sbcl.git

diff --git a/src/code/typedefs.lisp b/src/code/typedefs.lisp
index 6169ace..2317930 100644
--- a/src/code/typedefs.lisp
+++ b/src/code/typedefs.lisp
@@ -43,7 +43,8 @@
       (if (eq '&whole (car arglist))
 	  (values (cadr arglist) (cddr arglist))
 	  (values (gensym) arglist))
-    (multiple-value-bind (forms decls) (parse-body body nil)
+    (multiple-value-bind (forms decls)
+	(parse-body body :doc-string-allowed nil)
       `(progn
 	 (!cold-init-forms
 	  (setf (info :type :translator ',name)
@@ -76,7 +77,7 @@
   (enumerable nil :read-only t)
   ;; an arbitrary hash code used in EQ-style hashing of identity
   ;; (since EQ hashing can't be done portably)
-  (hash-value (random (1+ most-positive-fixnum))
+  (hash-value (random #.(ash 1 20))
 	      :type (and fixnum unsigned-byte)
 	      :read-only t)
   ;; Can this object contain other types? A global property of our
@@ -128,6 +129,15 @@
   (logand (logxor (ash (type-hash-value type1) -3)
 		  (type-hash-value type2))
 	  #xFF))
+#!-sb-fluid (declaim (inline type-list-cache-hash))
+(declaim (ftype (function (list) (unsigned-byte 8)) type-list-cache-hash))
+(defun type-list-cache-hash (types)
+  (logand (loop with res = 0
+             for type in types
+             for hash = (type-hash-value type)
+             do (setq res (logxor res hash))
+             finally (return res))
+	  #xFF))
 
 ;;;; cold loading initializations