From 89db8f585e998f5e5095e19a800c13b39e14da17 Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Thu, 28 May 1987 17:58:38 +0000
Subject: [PATCH] *** empty log message ***

---
 v7/src/compiler/rtlbase/rtlexp.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/v7/src/compiler/rtlbase/rtlexp.scm b/v7/src/compiler/rtlbase/rtlexp.scm
index 74ffeb0da..53cd687b0 100644
--- a/v7/src/compiler/rtlbase/rtlexp.scm
+++ b/v7/src/compiler/rtlbase/rtlexp.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/rtlbase/rtlexp.scm,v 1.1 1987/04/21 23:50:17 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/rtlbase/rtlexp.scm,v 1.2 1987/05/28 17:58:38 cph Exp $
 
 Copyright (c) 1987 Massachusetts Institute of Technology
 
@@ -44,6 +44,10 @@ MIT in each case. |#
 	  INVOCATION:LOOKUP
 	  INVOCATION:PRIMITIVE)))
 
+(define (rtl:machine-register-expression? expression)
+  (and (rtl:register? expression)
+       (machine-register? (rtl:register-number expression))))
+
 (define (rtl:map-subexpressions expression procedure)
   (if (rtl:constant? expression)
       (map identity-procedure expression)
-- 
2.25.1