re PR middle-end/45176 (restrict qualifier is not used in a manually unrolled loop)

2010-08-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45176
	* expr.c (expand_expr_real_1): Also preserve TARGET_MEM_REF
	points-to set for original MEM_REF.

From-SVN: r162862

gcc/ChangeLog

 2010-08-04  Richard Guenther  <rguenther@suse.de>
 
+	PR middle-end/45176
+	* expr.c (expand_expr_real_1): Also preserve TARGET_MEM_REF
+	points-to set for original MEM_REF.
+
+2010-08-04  Richard Guenther  <rguenther@suse.de>
+
 	* tree-ssa-ccp.c (get_constant_value): New function.
 	(get_rhs_assign_op_for_ccp): Remove.
 	(valueize_op): New function.

gcc/expr.c

@@ -8665,7 +8665,7 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
 	set_mem_addr_space (temp, as);
 	base = get_base_address (TMR_ORIGINAL (exp));
 	if (base
-	    && INDIRECT_REF_P (base)
+	    && (INDIRECT_REF_P (base) || TREE_CODE (base) == MEM_REF)
 	    && TMR_BASE (exp)
 	    && TREE_CODE (TMR_BASE (exp)) == SSA_NAME
 	    && POINTER_TYPE_P (TREE_TYPE (TMR_BASE (exp))))