--- gcc/config/pa/pa1-ghiux.h	2018/04/24 18:17:22	1.1
+++ gcc/config/pa/pa1-ghiux.h	2018/04/24 18:31:13	1.1.1.3
@@ -1,4 +1,4 @@
-/* Definitions of target machine for GNU compiler, for HP PA-RISC 1.1 on HI-UX.
+/* Definitions of target machine for GNU compiler, for HI-UX using GNU as.
    Copyright (C) 1993 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
@@ -15,13 +15,12 @@ GNU General Public License for more deta
 
 You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
 
-/* This is the same as pa-hiux.h, except that we generate snake code by
-   default and we have to deal with assembler weirdness. */
+/* HIUX is just a HPUX variant.  */
+#include "pa/pa1-ghpux.h"
 
-#define HP_FP_ARG_DESCRIPTOR_REVERSED
-
-#define TARGET_DEFAULT 1	/* TARGET_SNAKE */
-
-#include "pa/pa-ghiux.h"
+/* Predefines are the one noteworthy difference between HPUX and HIUX.  */
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-Dhppa -DPWB -Dunix -D_HIUX_SOURCE -D__H3050R -D__H3050RX -Asystem(unix) -Asystem(hiux) -Acpu(hppa) -Amachine(hppa)"