cfgexpand.c (expand_debug_expr): Get address space from operand 0 (BASE).

        * cfgexpand.c (expand_debug_expr) <TARGET_MEM_REF>:
        Get address space from operand 0 (BASE).

Co-Authored-By: Richard Biener <rguenther@suse.de>

From-SVN: r216000

gcc/ChangeLog

+2014-10-08  Joern Rennecke  <joern.rennecke@embecosm.com>
+	    Richard Biener  <rguenther@suse.de>
+
+	* cfgexpand.c (expand_debug_expr) <TARGET_MEM_REF>:
+	Get address space from operand 0 (BASE).
+
 2014-10-07  Iain Sandoe  <iain@codesourcery.com>
 
 	PR target/61387

gcc/cfgexpand.c

@@ -3983,11 +3983,7 @@ expand_debug_expr (tree exp)
       if (!op0)
 	return NULL;
 
-      if (POINTER_TYPE_P (TREE_TYPE (exp)))
-	as = TYPE_ADDR_SPACE (TREE_TYPE (TREE_TYPE (exp)));
-      else
-	as = ADDR_SPACE_GENERIC;
-
+      as = TYPE_ADDR_SPACE (TREE_TYPE (TREE_TYPE (TREE_OPERAND (exp, 0))));
       op0 = convert_debug_memory_address (targetm.addr_space.address_mode (as),
 					  op0, as);
       if (op0 == NULL_RTX)