Fixed bug in allowing ebp to be a scratch reg.

diff --git a/v8/src/compiler/machines/i386/rules3.scm b/v8/src/compiler/machines/i386/rules3.scm
index 27126c2a04ac3c8f8de748f3c79a2733d769527a..9ff34a831aa334ed6b85f2fbe47720943e6715ea 100644 (file)
--- a/v8/src/compiler/machines/i386/rules3.scm
+++ b/v8/src/compiler/machines/i386/rules3.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: rules3.scm,v 1.10 1995/01/20 22:45:55 ssmith Exp $
+$Id: rules3.scm,v 1.11 1995/01/20 22:51:58 ssmith Exp $
 
 Copyright (c) 1992-1993 Massachusetts Institute of Technology
 
@@ -358,7 +358,10 @@ MIT in each case. |#
               (if (< reg 8)
                   (if (< reg 4)
                       (bit-string-set! int-mask reg)
-                      (error "Register number too high to preserve:" reg))
+                      (if (and (not use-ebp-as-mask?)
+                               (= reg ebp))
+                          (bit-string-set! int-mask 4)
+                          (error "Register number too high to preserve:" reg)))
                   (bit-string-set! flo-mask (- reg 8)))
               (loop (cdr regs))))
            ((bit-string-zero? flo-mask)