* alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36317 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 098a50c..6c75325 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2000-09-11  Geoff Keating  <geoffk@cygnus.com>
+
+       * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
+
 2000-09-11  Bernd Schmidt  <bernds@redhat.co.uk>
 
        * reload.c (regno_clobbered_p): Fix thinko in previous change.

diff --git a/gcc/alias.c b/gcc/alias.c
index b17296b..61a1bd6 100644 (file)
--- a/gcc/alias.c
+++ b/gcc/alias.c
@@ -1457,8 +1457,8 @@ memrefs_conflict_p (xsize, x, ysize, y, c)
       return memrefs_conflict_p (xsize, x, ysize, XEXP (y, 0), c);
     }
 
-  if (GET_CODE (x) == ADDRESSOF || GET_CODE (y) == ADDRESSOF)
-    return xsize <= 0 || ysize <= 0;
+  if (GET_CODE (x) == ADDRESSOF && GET_CODE (y) == ADDRESSOF)
+    return xsize < 0 || ysize < 0;
 
   if (CONSTANT_P (x))
     {