Set REG_POINTER flag according to MEM_POINTER flag.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117143 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog

+2006-09-22  Peter Bergner <bergner@vnet.ibm.com>
+
+	PR middle-end/28690
+	* explow.c (force_reg): Set REG_POINTER flag according to
+	MEM_POINTER flag.
+
 2006-09-22  Zdenek Dvorak <dvorakz@suse.cz>
 	PR tree-optimization/28888

gcc/explow.c

@@ -710,6 +710,8 @@ force_reg (enum machine_mode mode, rtx x)
 
 	align = MIN (sa, ca);
       }
+    else if (MEM_P (x) && MEM_POINTER (x))
+      align = MEM_ALIGN (x);
 
     if (align)
       mark_reg_pointer (temp, align);