+
+;;; These functions are needed for constant-folding.
+(defun sb!kernel:simple-array-nil-p (object)
+ (when (typep object 'array)
+ (assert (not (eq (array-element-type object) nil))))
+ nil)
+
+(defun sb!kernel:%negate (number)
+ (- number))
+
+(defun sb!kernel:%single-float (number)
+ (coerce number 'single-float))
+
+(defun sb!kernel:%double-float (number)
+ (coerce number 'double-float))
+
+(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))
+
+(defun sb!kernel:%with-array-data/fp (array start end)
+ (assert (typep array '(simple-array * (*))))
+ (values array start end 0))
+
+(defun sb!kernel:signed-byte-32-p (number)
+ (typep number '(signed-byte 32)))
+
+;;; package locking nops for the cross-compiler
+
+(defmacro without-package-locks (&body body)
+ `(progn ,@body))
+
+(defmacro with-single-package-locked-error ((&optional kind thing &rest format)
+ &body body)
+ (declare (ignore kind thing format))
+ `(progn ,@body))
+
+(defun program-assert-symbol-home-package-unlocked (context symbol control)
+ (declare (ignore context control))
+ symbol)
+
+(defun assert-package-unlocked (package &optional control &rest args)
+ (declare (ignore control args))
+ package)
+
+(defun assert-symbol-home-package-unlocked (name format &key continuablep)
+ (declare (ignore format continuablep))
+ name)
+
+(declaim (declaration enable-package-locks disable-package-locks))