gimplify.c (gimplify_return_expr): Make the temporary variable for the return…

gimplify.c (gimplify_return_expr): Make the temporary variable for the return expression, a gimple register variable.

2007-01-01  Andrew Pinski  <pinskia@gmail.com>

        * gimplify.c (gimplify_return_expr): Make the temporary variable
        for the return expression, a gimple register variable.

From-SVN: r120317

gcc/ChangeLog

+2007-01-01  Andrew Pinski  <pinskia@gmail.com>
+
+	* gimplify.c (gimplify_return_expr): Make the temporary variable
+	for the return expression, a gimple register variable.
+
 2007-01-01  Jan Hubicka  <jh@suse.cz>
 
 	* emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for

gcc/gimplify.c

 /* Tree lowering pass.  This pass converts the GENERIC functions-as-trees
    tree representation into the GIMPLE form.
-   Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
+   Free Software Foundation, Inc.
    Major work done by Sebastian Pop <s.pop@laposte.net>,
    Diego Novillo <dnovillo@redhat.com> and Jason Merrill <jason@redhat.com>.
 
@@ -1171,6 +1172,9 @@ gimplify_return_expr (tree stmt, tree *pre_p)
   else
     {
       result = create_tmp_var (TREE_TYPE (result_decl), NULL);
+      if (TREE_CODE (TREE_TYPE (result)) == COMPLEX_TYPE
+          || TREE_CODE (TREE_TYPE (result)) == VECTOR_TYPE)
+        DECL_GIMPLE_REG_P (result) = 1;
 
       /* ??? With complex control flow (usually involving abnormal edges),
 	 we can wind up warning about an uninitialized value for this.  Due