From aad3a92992a55981bf7989c26ed84dc1a15e9801 Mon Sep 17 00:00:00 2001 From: "Brian A. LaMacchia" Date: Tue, 23 Feb 1988 19:43:56 +0000 Subject: [PATCH] Initial check-in for LIAR version 4... --- v7/src/compiler/machines/vax/rgspcm.scm | 72 +++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 v7/src/compiler/machines/vax/rgspcm.scm diff --git a/v7/src/compiler/machines/vax/rgspcm.scm b/v7/src/compiler/machines/vax/rgspcm.scm new file mode 100644 index 000000000..41629d4e1 --- /dev/null +++ b/v7/src/compiler/machines/vax/rgspcm.scm @@ -0,0 +1,72 @@ +#| -*-Scheme-*- + +$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/vax/rgspcm.scm,v 4.1 1988/02/23 19:43:56 bal Exp $ + +Copyright (c) 1987 Massachusetts Institute of Technology + +This material was developed by the Scheme project at the Massachusetts +Institute of Technology, Department of Electrical Engineering and +Computer Science. Permission to copy this software, to redistribute +it, and to use it for any purpose is granted, subject to the following +restrictions and understandings. + +1. Any copy made of this software must include this copyright notice +in full. + +2. Users of this software agree to make their best efforts (a) to +return to the MIT Scheme project any improvements or extensions that +they make, so that these may be included in future releases; and (b) +to inform MIT of noteworthy uses of this software. + +3. All materials developed as a consequence of the use of this +software shall duly acknowledge such use, in accordance with the usual +standards of acknowledging credit in academic research. + +4. MIT has made no warrantee or representation that the operation of +this software will be error-free, and MIT is under no obligation to +provide any services, by way of maintenance, update, or otherwise. + +5. In conjunction with products arising from the use of this material, +there shall be no use of the name of the Massachusetts Institute of +Technology nor of any adaptation thereof in any advertising, +promotional, or sales literature without prior written consent from +MIT in each case. |# + +;;;; RTL Generation: Special primitive combinations. 68020 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?) \ No newline at end of file -- 2.25.1