Declare promoted_input_arg.

From-SVN: r3450

diff --git a/gcc/expr.h b/gcc/expr.h
index cd3658b9812ba49a0fcc4abb33c01e58d1e28104..0bb4a1ad32f3bf774960e6dc2b13129af76381f7 100644 (file)
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -530,6 +530,9 @@ extern rtx expr_size ();
 
 extern rtx lookup_static_chain ();
 
+/* Indicate how an input argument register was promoted.  */
+extern rtx promoted_input_arg ();
+
 /* Return an rtx like arg but sans any constant terms.
    Returns the original rtx if it has no constant terms.
    The constant terms are added and stored via a second arg.  */