From: Henry M. Wu <edu/mit/csail/zurich/mhwu>
Date: Mon, 2 May 1988 23:53:41 +0000 (+0000)
Subject: Added information on FIXNUM size.
X-Git-Tag: 20090517-FFI~12788
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=55337643729561729a1ead778690279e67cad5a0;p=mit-scheme.git

Added information on FIXNUM size.
---

diff --git a/v7/src/compiler/machines/bobcat/machin.scm b/v7/src/compiler/machines/bobcat/machin.scm
index e362ce51e..7330ffb8a 100644
--- a/v7/src/compiler/machines/bobcat/machin.scm
+++ b/v7/src/compiler/machines/bobcat/machin.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/bobcat/machin.scm,v 4.4 1988/04/22 16:28:23 markf Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/bobcat/machin.scm,v 4.5 1988/05/02 23:53:41 mhwu Exp $
 
 Copyright (c) 1987 Massachusetts Institute of Technology
 
@@ -35,7 +35,15 @@ MIT in each case. |#
 ;;;; Machine Model for 68020
 
 (declare (usual-integrations))
-(define-integrable (stack->memory-offset offset)
+;;; Size of words.  Some of the stuff in "assmd.scm" might want to
+;;; come here.
+
+(define-integrable scheme-datum-size 24)
+(define-integrable scheme-type-size 8)
+(define maximum-positive-fixnum
+  (-1+ (expt 2 (-1+ scheme-datum-size))))
+
+(define-integrable (stack->memory-offset offset)
   offset)
 
 (define ic-block-first-parameter-offset