;;;-*-Mode:LISP; Package:(PCL LISP 1000); Base:10; Syntax:Common-lisp -*-
;;;
;;; *************************************************************************
;;; Copyright (c) 1985, 1986, 1987 Xerox Corporation.  All rights reserved.
;;;
;;; Use and copying of this software and preparation of derivative works
;;; based upon this software are permitted.  Any distribution of this
;;; software or derivative works must comply with all applicable United
;;; States export control laws.
;;; 
;;; This software is made available AS IS, and Xerox Corporation makes no
;;; warranty about the software, its performance or its conformity to any
;;; specification.
;;; 
;;; Any person obtaining a copy of this software is requested to send their
;;; name and post office or electronic mail address to:
;;;   CommonLoops Coordinator
;;;   Xerox Artifical Intelligence Systems
;;;   2400 Hanover St.
;;;   Palo Alto, CA 94303
;;; (or send Arpanet mail to CommonLoops-Coordinator.pa@Xerox.arpa)
;;;
;;; Suggestions, comments and requests for improvements are also welcome.
;;; *************************************************************************
;;; 
;;; This is the CMU Lisp version of the file low.
;;; 

(in-package 'pcl)

  ;;   
;;;;;; Cache No's
  ;;  

;;; Abuse the type declaration, but it generates great code.

(defun symbol-cache-no (symbol mask)
  (logand (the fixnum (system:%primitive lisp::make-immediate-type
					 symbol
					 system::%+-fixnum-type))
	  (the fixnum mask)))

(clc::deftransform symbol-cache-no symbol-cache-no-transform (symbol mask)
  `(logand (the fixnum (system:%primitive lisp::make-immediate-type
					  ,symbol
					  system::%+-fixnum-type))
	   (the fixnum ,mask)))

(defun object-cache-no (symbol mask)
  (logand (the fixnum (system:%primitive lisp::make-immediate-type
					 symbol
					 system::%+-fixnum-type))
	  (the fixnum mask)))

(clc::deftransform object-cache-no object-cache-no-transform (symbol mask)
  `(logand (the fixnum (system:%primitive lisp::make-immediate-type
					  ,symbol
					  system::%+-fixnum-type))
	   (the fixnum ,mask)))