From: Guillermo J. Rozas <edu/mit/csail/zurich/gjr>
Date: Tue, 23 Feb 1993 17:34:10 +0000 (+0000)
Subject: Fix bug in reference->register-transfer.  The bug was the cause of
X-Git-Tag: 20090517-FFI~8479
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=c0c49230696a1ba94e70511b072799991797c052;p=mit-scheme.git

Fix bug in reference->register-transfer.  The bug was the cause of
multiple

(mov w (r 0) (r 0))

instructions in the output.
---

diff --git a/v7/src/compiler/machines/i386/lapgen.scm b/v7/src/compiler/machines/i386/lapgen.scm
index 8ab625818..3c0b3305e 100644
--- a/v7/src/compiler/machines/i386/lapgen.scm
+++ b/v7/src/compiler/machines/i386/lapgen.scm
@@ -1,8 +1,8 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/i386/lapgen.scm,v 1.21 1992/08/05 21:34:38 jinx Exp $
+$Id: lapgen.scm,v 1.22 1993/02/23 17:34:10 gjr Exp $
 
-Copyright (c) 1992 Massachusetts Institute of Technology
+Copyright (c) 1992-1993 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
@@ -83,7 +83,7 @@ MIT in each case. |#
   (machine->machine-register source target))
 
 (define (reference->register-transfer source target)
-  (if (equal? (INST-EA ,target) source)
+  (if (equal? (INST-EA (R ,target)) source)
       (LAP)
       (memory->machine-register source target)))