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rgspcm.scm
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1999-01-02
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2KB
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63 lines
#| -*-Scheme-*-
$Id: rgspcm.scm,v 1.2 1999/01/02 06:06:43 cph Exp $
$MC68020-Header: rgspcm.scm,v 4.1 87/12/30 07:05:38 GMT cph Exp $
Copyright (c) 1987, 1989, 1990, 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. MIPS 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?)