(defvar *after-gc-hooks* nil)
;;; The GENESIS function works with fasl code which would, in the
-;;; target SBCL, work on LISP-STREAMs. A true LISP-STREAM doesn't seem
-;;; to be a meaningful concept in ANSI Common Lisp, but we can fake it
-;;; acceptably well using a standard STREAM.
-(deftype lisp-stream () 'stream)
+;;; target SBCL, work on ANSI-STREAMs (streams which aren't extended
+;;; Gray streams). In ANSI Common Lisp, an ANSI-STREAM is just a
+;;; CL:STREAM.
+(deftype ansi-stream () 'stream)
;;; In the target SBCL, the INSTANCE type refers to a base
;;; implementation for compound types. There's no way to express
nil))
;;; This seems to be the portable Common Lisp type test which
-;;; corresponds to the effect of the target SBCL implementation test..
+;;; corresponds to the effect of the target SBCL implementation test...
(defun sb!kernel:array-header-p (x)
- (and (typep x 'simple-array)
- (= 1 (array-rank x))))
+ (and (typep x 'array)
+ (or (not (typep x 'simple-array))
+ (/= (array-rank x) 1))))
-;;; Genesis needs these at cross-compile time. The target
+;;; GENESIS needs these at cross-compile time. The target
;;; implementation of these is reasonably efficient by virtue of its
;;; ability to peek into the internals of the package implementation;
;;; this reimplementation is portable but slow.
(let ((result 0))
(declare (type fixnum result))
(do-external-symbols (i package)
- (declare (ignore i))
+ (declare (ignorable i))
(incf result))
result))
(defun symbol-hash (symbol)
(declare (type symbol symbol))
(sxhash symbol))
+
+;;; 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))
+
+#!-alpha
+(defun sb!vm::ash-left-mod32 (integer amount)
+ (ldb (byte 32 0) (ash integer amount)))
+#!+alpha
+(defun sb!vm::ash-left-mod64 (integer amount)
+ (ldb (byte 64 0) (ash integer amount)))