--- gcc/config/a29k/unix.h	2018/04/24 18:10:25	1.1.1.1
+++ gcc/config/a29k/unix.h	2018/04/24 18:29:18	1.1.1.4
@@ -1,6 +1,6 @@
 /* Definitions of target machine for GNU compiler, for AMD Am29000 CPU, Unix.
-   Copyright (C) 1991 Free Software Foundation, Inc.
-   Contributed by Richard Kenner (kenner@nyu.edu)
+   Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc.
+   Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
 
 This file is part of GNU CC.
 
@@ -16,7 +16,8 @@ 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 mostly the same as a29k.h, except that we define unix instead of
@@ -28,10 +29,10 @@ the Free Software Foundation, 675 Mass A
    for Unix systems.  */
 
 #undef TARGET_DEFAULT
-#define TARGET_DEFAULT (1+2+8+64)
+#define TARGET_DEFAULT (1+2+16+128)
 
 #undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dam29k -Da29k -Dam29000"
+#define CPP_PREDEFINES "-Dam29k -Da29k -Dam29000 -Asystem(unix) -Acpu(a29k) -Amachine(a29k)"
 
 #undef CPP_SPEC
 #define CPP_SPEC "%{!m29000:-Dam29050 -D__am29050__}"
@@ -61,7 +62,9 @@ the Free Software Foundation, 675 Mass A
   for (p = main_input_filename; *p; p++)			\
     if (*p == '/')						\
       after_dir = p + 1;					\
-  fprintf (FILE, "\t.file \"%s\"\n", after_dir);		\
+  fprintf (FILE, "\t.file ");					\
+  output_quoted_string (FILE, after_dir);			\
+  fprintf (FILE, "\n");						\
   if (flag_shared_data)						\
     fprintf (FILE, "\t.sect .shdata,data\n");			\
   fprintf (FILE, "\t.sect .lit,lit\n");  }
@@ -74,6 +77,10 @@ the Free Software Foundation, 675 Mass A
 
 #define OVERRIDE_OPTIONS if (flag_shared_data) flag_no_common = 1;
 
+/* Default to -fno-pcc-struct-return, since we don't have to worry about
+   compatibility.  */
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
 #if 0 /* This would be needed except that the 29k doesn't have strict
 	 alignment requirements.  */