Fix bugs in fixnum-quotient.

diff --git a/v7/src/compiler/machines/spectrum/rulfix.scm b/v7/src/compiler/machines/spectrum/rulfix.scm
index a6c52a07e85669f6ab9468ffe7e19944b7815afe..5823226b67ec531790cc4d3b9db7662c2ccf62ee 100644 (file)
--- a/v7/src/compiler/machines/spectrum/rulfix.scm
+++ b/v7/src/compiler/machines/spectrum/rulfix.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/spectrum/rulfix.scm,v 4.40 1992/08/05 15:24:36 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/compiler/machines/spectrum/rulfix.scm,v 4.41 1992/08/19 13:25:46 jinx Exp $
 
 Copyright (c) 1989-1992 Massachusetts Institute of Technology
 
@@ -656,7 +656,7 @@ MIT in each case. |#
   fixnum-methods/2-args/register*constant
   (lambda (constant ovflw?)
     ovflw?                             ; ignored
-    (integer-log-base-2? factor))
+    (integer-log-base-2? (abs constant)))
   (lambda (tgt src constant ovflw?)
     (guarantee-signed-fixnum constant)
     (case constant
@@ -703,8 +703,10 @@ MIT in each case. |#
                             (LAP (SUB () 0 ,tgt ,tgt))
                             (LAP))
                       ,@(if ovflw?
-                            (DEP (TR) 0 31 ,scheme-type-width ,tgt)
-                            (DEP () 0 31 ,scheme-type-width ,tgt)))))))))))
+                            (LAP
+                             (DEP (TR) 0 31 ,scheme-type-width ,tgt))
+                            (LAP
+                             (DEP () 0 31 ,scheme-type-width ,tgt))))))))))))
 
 (define-arithconst-method 'FIXNUM-REMAINDER
   fixnum-methods/2-args/register*constant