[Emacs-diffs] Changes to emacs/src/alloc.c,v

[Stefan Monnier]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Stefan Monnier <monnier>        07/07/10 18:00:45

Index: alloc.c
===================================================================
RCS file: /sources/emacs/emacs/src/alloc.c,v
retrieving revision 1.410
retrieving revision 1.411
diff -u -b -r1.410 -r1.411
--- alloc.c     8 Jun 2007 19:59:46 -0000       1.410
+++ alloc.c     10 Jul 2007 18:00:44 -0000      1.411
@@ -4263,9 +4263,14 @@
 {
   struct mem_node *m;
 
-  /* Quickly rule out some values which can't point to Lisp data.  We
-     assume that Lisp data is aligned on even addresses.  */
-  if ((EMACS_INT) p & 1)
+  /* Quickly rule out some values which can't point to Lisp data.  */
+  if ((EMACS_INT) p %
+#ifdef USE_LSB_TAG
+      8 /* USE_LSB_TAG needs Lisp data to be aligned on multiples of 8.  */
+#else
+      2 /* We assume that Lisp data is aligned on even addresses.  */
+#endif
+      )
     return;
 
   m = mem_find (p);