From: Chris Hanson <org/chris-hanson/cph>
Date: Fri, 27 Oct 1989 07:27:13 +0000 (+0000)
Subject: Don't perform variable-indirection optimization on variables that are
X-Git-Tag: 20090517-FFI~11729
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=b18c7e956304426caa9cb9c970ee7fc63a41b42e;p=mit-scheme.git

Don't perform variable-indirection optimization on variables that are
introduced to model continuations.
---

diff --git a/v7/src/compiler/fgopt/varind.scm b/v7/src/compiler/fgopt/varind.scm
index d0b2f3084..27100e4c4 100644
--- a/v7/src/compiler/fgopt/varind.scm
+++ b/v7/src/compiler/fgopt/varind.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/fgopt/varind.scm,v 1.1 1989/10/26 07:40:21 cph Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/fgopt/varind.scm,v 1.2 1989/10/27 07:27:13 cph Exp $
 
 Copyright (c) 1989 Massachusetts Institute of Technology
 
@@ -40,7 +40,10 @@ MIT in each case. |#
   (with-new-lvalue-marks
    (lambda ()
      (for-each (lambda (lvalue)
-		 (if (lvalue/variable? lvalue)		     (initialize-variable-indirection! lvalue)))
+		 (if (and (lvalue/variable? lvalue)
+			  (not (variable/continuation-variable? lvalue))
+			  (not (variable/value-variable? lvalue)))
+		     (initialize-variable-indirection! lvalue)))
 	       lvalues))))
 
 (define (initialize-variable-indirection! variable)