[movitz-cvs] CVS update: movitz/losp/muerte/basic-macros.lisp

[Frode Vatvedt Fjeld]

Update of /project/movitz/cvsroot/movitz/losp/muerte
In directory common-lisp.net:/tmp/cvs-serv12613

Modified Files:
	basic-macros.lisp 
Log Message:
Rewrite boundp in terms of dynamic-load-unprotected.

Date: Thu Nov 11 20:24:52 2004
Author: ffjeld

Index: movitz/losp/muerte/basic-macros.lisp
diff -u movitz/losp/muerte/basic-macros.lisp:1.43 movitz/losp/muerte/basic-macros.lisp:1.44
--- movitz/losp/muerte/basic-macros.lisp:1.43	Thu Oct 21 22:33:57 2004
+++ movitz/losp/muerte/basic-macros.lisp	Thu Nov 11 20:24:52 2004
@@ -9,7 +9,7 @@
 ;;;; Created at:    Wed Nov  8 18:44:57 2000
 ;;;; Distribution:  See the accompanying file COPYING.
 ;;;;                
-;;;; $Id: basic-macros.lisp,v 1.43 2004/10/21 20:33:57 ffjeld Exp $
+;;;; $Id: basic-macros.lisp,v 1.44 2004/11/11 19:24:52 ffjeld Exp $
 ;;;;                
 ;;;;------------------------------------------------------------------
 
@@ -1069,18 +1069,13 @@
 
 (define-compiler-macro boundp (symbol)
   `(with-inline-assembly-case ()
-     (do-case (t :boolean-cf=1 :labels (boundp-done))
+     (do-case (t :boolean-zf=0 :labels (boundp-done))
        (:compile-form (:result-mode :eax) ,symbol)
-       (:cmpl :edi :eax)
-       (:cmc)
-       (:je 'boundp-done)		; if ZF=1, then CF=1 after CMC
-       (:call-local-pf dynamic-find-binding)
-       (:jc 'boundp-done)
-       (:movl (:eax #.(bt:slot-offset 'movitz:movitz-symbol 'movitz::value)) :eax)
-       (:globally (:cmpl (:edi (:edi-offset unbound-value)) :eax))
-       (:je 'boundp-done)
-       (:stc)
-      boundp-done)))
+       (:leal (:eax ,(- (movitz:tag :symbol))) :ecx)
+       (:testb 7 :cl)
+       (:jne '(:sub-program () (:int 66)))
+       (:call-local-pf dynamic-load-unprotected)
+       (:globally (:cmpl (:edi (:edi-offset unbound-value)) :eax)))))
 
 (defmacro define-global-variable (name init-form &optional docstring)
   "A global variable will be accessed by ignoring local bindings."