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

[Frode Vatvedt Fjeld]

Update of /project/movitz/cvsroot/movitz/losp/muerte
In directory common-lisp.net:/tmp/cvs-serv16227

Modified Files:
	basic-functions.lisp 
Log Message:
A small change in strategy for allocating memory.

Date: Mon Mar 22 11:37:51 2004
Author: ffjeld

Index: movitz/losp/muerte/basic-functions.lisp
diff -u movitz/losp/muerte/basic-functions.lisp:1.3 movitz/losp/muerte/basic-functions.lisp:1.4
--- movitz/losp/muerte/basic-functions.lisp:1.3	Thu Feb 26 08:44:29 2004
+++ movitz/losp/muerte/basic-functions.lisp	Mon Mar 22 11:37:51 2004
@@ -10,7 +10,7 @@
 ;;;; Author:        Frode Vatvedt Fjeld <frodef at acm.org>
 ;;;; Created at:    Tue Sep  4 18:41:57 2001
 ;;;;                
-;;;; $Id: basic-functions.lisp,v 1.3 2004/02/26 13:44:29 ffjeld Exp $
+;;;; $Id: basic-functions.lisp,v 1.4 2004/03/22 16:37:51 ffjeld Exp $
 ;;;;                
 ;;;;------------------------------------------------------------------
 
@@ -342,3 +342,17 @@
 
 (defun halt-cpu ()
   (halt-cpu))
+
+(defun malloc-words (words)
+  (malloc-clumps (1+ (truncate (1+ words) 2))))
+
+(defun malloc-clumps (clumps)
+  (let ((x (with-inline-assembly (:returns :eax :side-effects t)
+	     (:compile-form (:result-mode :ebx) clumps)
+	     (:shll 1 :ebx)
+	     (:globally (:call (:edi (:edi-offset malloc))))
+	     (:addl #.(movitz::tag :other) :eax))))
+    (dotimes (i clumps)
+      (setf (memref x -6 i :lisp) nil
+	    (memref x -2 i :lisp) nil))
+    x))