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- #| -*-Scheme-*-
-
- $Id: rgspcm.scm,v 1.2 1999/01/02 06:06:43 cph Exp $
- $MC68020-Header: /scheme/compiler/bobcat/RCS/rgspcm.scm,v 4.2 1991/05/06 23:17:03 jinx Exp $
-
- Copyright (c) 1987-1999 Massachusetts Institute of Technology
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or (at
- your option) any later version.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- |#
-
- ;;;; RTL Generation: Special primitive combinations. Spectrum version.
-
- (declare (usual-integrations))
-
- (define (define-special-primitive-handler name handler)
- (let ((primitive (make-primitive-procedure name true)))
- (let ((entry (assq primitive special-primitive-handlers)))
- (if entry
- (set-cdr! entry handler)
- (set! special-primitive-handlers
- (cons (cons primitive handler)
- special-primitive-handlers)))))
- name)
-
- (define (special-primitive-handler primitive)
- (let ((entry (assq primitive special-primitive-handlers)))
- (and entry
- (cdr entry))))
-
- (define special-primitive-handlers
- '())
-
- (define (define-special-primitive/standard primitive)
- (define-special-primitive-handler primitive
- rtl:make-invocation:special-primitive))
-
- (define-special-primitive/standard '&+)
- (define-special-primitive/standard '&-)
- (define-special-primitive/standard '&*)
- (define-special-primitive/standard '&/)
- (define-special-primitive/standard '&=)
- (define-special-primitive/standard '&<)
- (define-special-primitive/standard '&>)
- (define-special-primitive/standard '1+)
- (define-special-primitive/standard '-1+)
- (define-special-primitive/standard 'zero?)
- (define-special-primitive/standard 'positive?)
- (define-special-primitive/standard 'negative?)
- (define-special-primitive/standard 'quotient)
- (define-special-primitive/standard 'remainder)