0.8.4:

[sbcl.git] / src / code / cross-misc.lisp

diff --git a/src/code/cross-misc.lisp b/src/code/cross-misc.lisp
index a0fe12d..0d68f25 100644 (file)
--- a/src/code/cross-misc.lisp
+++ b/src/code/cross-misc.lisp
@@ -122,7 +122,9 @@
 
 ;;; These functions are needed for constant-folding.
 (defun sb!kernel:simple-array-nil-p (object)
-  (typep object '(simple-array nil)))
+  (when (typep object 'array)
+    (assert (not (eq (array-element-type object) nil))))
+  nil)
 
 (defun sb!kernel:%negate (number)
   (- number))
@@ -135,3 +137,17 @@
 
 (defun sb!kernel:%ldb (size posn integer)
   (ldb (byte size posn) integer))
+
+(defun sb!kernel:%dpb (newbyte size posn integer)
+  (dpb newbyte (byte size posn) integer))
+
+(defun sb!kernel:%with-array-data (array start end)
+  (assert (typep array '(simple-array * (*))))
+  (values array start end 0))
+
+#!+sparc
+(progn
+  (defun sb!vm::ash-right-signed (num shift)
+    (ash num (- shift)))
+  (defun sb!vm::ash-right-unsigned (num shift)
+    (ash num (- shift))))