--- gcc/config/m68k/mot3300.h	2018/04/24 18:20:56	1.1.1.3
+++ gcc/config/m68k/mot3300.h	2018/04/24 18:28:09	1.1.1.4
@@ -1,8 +1,9 @@
 /* Definitions of target machine for GNU compiler,
    SysV68 Motorola 3300 Delta Series.
-   Copyright (C) 1987, 1993, 1994 Free Software Foundation, Inc.
-   Coptributed by Abramo and Roberto Bagnara (bagnara@dipisa.di.unipi.it)
+   Copyright (C) 1987, 1993, 1994, 1995 Free Software Foundation, Inc.
+   Contributed by Abramo and Roberto Bagnara (bagnara@dipisa.di.unipi.it)
    based on Alex Crain's 3B1 definitions.
+   Maintained by Philippe De Muyter (phdm@info.ucl.ac.be).
 
 This file is part of GNU CC.
 
@@ -18,7 +19,8 @@ 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.  */
 
 #define MOTOROLA		/* Use Motorola syntax rather than "MIT" */
 #define MOTOROLA_BSR		/* Use Span-dependent optimized bsr */
@@ -72,6 +74,10 @@ the Free Software Foundation, 675 Mass A
 /* Every structure or union's size must be a multiple of 2 bytes.  */
 
 #define STRUCTURE_SIZE_BOUNDARY 16
+
+/* Follow sysV68 cc regarding alignment imposed by char:0; */
+
+#define PCC_BITFIELD_TYPE_MATTERS 1
   
 /* Allocation boundary (in *bits*) for storing arguments in argument list.  */
 /* Be compatible with native compiler.  */
@@ -159,11 +165,6 @@ output_file_directive ((FILE), main_inpu
 #undef CPP_PREDEFINES
 #define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68 -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
 
-/* Override part of the obstack macros.  */
-
-#define __PTR_TO_INT(P) ((int)(P))
-#define __INT_TO_PTR(P) ((char *)(P))
-
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)");
 
@@ -175,6 +176,16 @@ output_file_directive ((FILE), main_inpu
   1, 1, 0, 0, 0, 0, 0, 1,						\
   1, 1, 0, 0, 0, 0, 0, 0}
 
+/* This will return small structs in d0.  */
+#define RETURN_IN_MEMORY(type) \
+  ((TYPE_MODE (type) == BLKmode) \
+   || (AGGREGATE_TYPE_P (type) \
+       && GET_MODE_SIZE (TYPE_MODE (type)) > UNITS_PER_WORD))
+
+/* Don't default to pcc-struct-return, because we have already specified
+   exactly how to return structures in the RETURN_IN_MEMORY macro.  */
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
 /* If TARGET_68881, return SF and DF values in fp0 instead of d0.  */
 /* NYI: If FP=M68881U return SF and DF values in d0. */
 /* NYI: If -mold return pointer in a0 and d0 */
@@ -184,7 +195,7 @@ output_file_directive ((FILE), main_inpu
 #define FUNCTION_VALUE(VALTYPE,FUNC) \
   (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 	\
    ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16)		\
-   : (TREE_CODE (VALTYPE) == POINTER_TYPE 		\
+   : (POINTER_TYPE_P (VALTYPE)				\
       ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8)		\
       : gen_rtx (REG, TYPE_MODE (VALTYPE), 0)))