Fix H.J. Lu's alpha-linux bug with TImode constructors.

	* expr.c (expand_expr): Remove previous incorrect change.
	If target and slot has no DECL_RTL, then call mark_addressable
	again for the slot after we give it RTL.

From-SVN: r15496

gcc/ChangeLog

+Tue Sep 16 11:13:46 1997  Jim Wilson  <wilson@cygnus.com>
+
+	* expr.c (expand_expr): Remove previous incorrect change.
+	If target and slot has no DECL_RTL, then call mark_addressable
+	again for the slot after we give it RTL.
+
 Tue Sep 16 10:14:55 1997  Jeffrey A Law  (law@cygnus.com)
 
 	* version.c: Bump for snapshot.

gcc/expr.c

@@ -6919,11 +6919,6 @@ expand_expr (exp, target, tmode, modifier)
 		/* All temp slots at this level must not conflict.  */
 		preserve_temp_slots (target);
 		DECL_RTL (slot) = target;
-		if (TREE_ADDRESSABLE (slot))
-		  {
-		    TREE_ADDRESSABLE (slot) = 0;
-		    mark_addressable (slot);
-		  }
 
 		/* Since SLOT is not known to the called function
 		   to belong to its stack frame, we must build an explicit
@@ -6955,8 +6950,17 @@ expand_expr (exp, target, tmode, modifier)
                 if (TREE_OPERAND (exp, 1) == NULL_TREE)
                   return target;
 	      }
-
-	    DECL_RTL (slot) = target;
+	    else
+	      {
+		DECL_RTL (slot) = target;
+		/* If we must have an addressable slot, then make sure that
+		   the RTL that we just stored in slot is OK.  */
+		if (TREE_ADDRESSABLE (slot))
+		  {
+		    TREE_ADDRESSABLE (slot) = 0;
+		    mark_addressable (slot);
+		  }
+	      }
 	  }
 
 	exp1 = TREE_OPERAND (exp, 3) = TREE_OPERAND (exp, 1);