From cb7b91fffb4a656342cec774a543ec5891127450 Mon Sep 17 00:00:00 2001
From: Mark Friedman <edu/mit/csail/zurich/markf>
Date: Thu, 20 Oct 1988 17:46:05 +0000
Subject: [PATCH] Added expression methods for generic arithmetic RTL types.

---
 v7/src/compiler/rtlbase/rtlcon.scm | 44 +++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/v7/src/compiler/rtlbase/rtlcon.scm b/v7/src/compiler/rtlbase/rtlcon.scm
index b88b67e7d..d5c2dfedf 100644
--- a/v7/src/compiler/rtlbase/rtlcon.scm
+++ b/v7/src/compiler/rtlbase/rtlcon.scm
@@ -1,6 +1,40 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/rtlbase/rtlcon.scm,v 4.12 1988/08/31 05:45:58 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/rtlbase/rtlcon.scm,v 4.13 1988/10/20 17:46:05 markf Exp $
+
+Copyright (c) 1988 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. |#
+
+#| -*-Scheme-*-
+
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/rtlbase/rtlcon.scm,v 4.13 1988/10/20 17:46:05 markf Exp $
 
 Copyright (c) 1988 Massachusetts Institute of Technology
 
@@ -176,6 +210,8 @@ MIT in each case. |#
   (expression-simplify-for-statement name
     (lambda (name)
       (%make-interpreter-call:cache-unassigned? name))))
+
+(define rtl:make-address->fixnum rtl:make-object->fixnum)
 
 ;;;; Expression Simplification
 
@@ -473,6 +509,12 @@ MIT in each case. |#
 (define-expression-method 'FIXNUM->OBJECT
   (object-selector rtl:make-fixnum->object))
 
+(define-expression-method 'FIXNUM->ADDRESS
+  (object-selector rtl:make-fixnum->address))
+
+(define-expression-method 'ADDRESS->FIXNUM
+  (object-selector rtl:make-address->fixnum))
+
 (define-expression-method 'OBJECT->FIXNUM
   (lambda (receiver scfg-append! expression)
     (expression-simplify* expression scfg-append!
-- 
2.25.1