$NetBSD: patch-gcc_explow.h,v 1.2 2025/06/08 07:37:45 wiz Exp $

Support Darwin/aarch64, from https://github.com/Homebrew/formula-patches.

--- gcc/explow.h.orig	2025-05-23 11:02:04.640203010 +0000
+++ gcc/explow.h
@@ -20,6 +20,8 @@ along with GCC; see the file COPYING3.  
 #ifndef GCC_EXPLOW_H
 #define GCC_EXPLOW_H
 
+#include "calls.h" /* for cummulative args stuff.  */
+
 /* Return a memory reference like MEMREF, but which is known to have a
    valid address.  */
 extern rtx validize_mem (rtx);
@@ -50,8 +52,13 @@ extern rtx force_not_mem (rtx);
 
 /* Return mode and signedness to use when an argument or result in the
    given mode is promoted.  */
-extern machine_mode promote_function_mode (const_tree, machine_mode, int *,
-					        const_tree, int);
+machine_mode promote_function_mode (const_tree, machine_mode, int *,
+				    const_tree, int);
+
+/* Return mode and signedness to use when an argument or result in the
+   given mode is promoted.  */
+machine_mode promote_function_mode (cumulative_args_t, function_arg_info,
+				    const_tree, int *, int);
 
 /* Return mode and signedness to use when an object in the given mode
    is promoted.  */