/* Definitions of target machine for GNU compiler.  Concurrent 68k version.
   Copyright (C) 1987, 1988 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

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.  */

#ifndef MASSCOMP
#define MASSCOMP
#endif

#ifndef CONCURRENT
#define CONCURRENT
#endif

#ifndef __mc68000__
#define __mc68000__
#endif

#ifndef __mc68020__
#define __mc68020__
#endif

#define USE_GAS
#define MOVE_RATIO 100

#define SPACE_AFTER_L_OPTION
#define SWITCHES_NEED_SPACES " "

#define TARGET_DEFAULT 0407 /* See m68k.h.  7 means 68020 with 68881.  */

#include "m68k/m68k.h"

#define SIZE_TYPE "int"

/* for 68k machines this only needs to be TRUE for the 68000 */

#undef STRICT_ALIGNMENT     
#define STRICT_ALIGNMENT 0

/* Names to predefine in the preprocessor for this target machine.  */
#define CPP_PREDEFINES \
    "-Dmc68000 -Dmasscomp -DMASSCOMP -Dunix -DLANGUAGE_C -Dconcurrent -DCONCURRENT"

#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (68k, GNU GAS syntax)");

/* Discard internal local symbols beginning with 'L'. */
#define LINK_SPEC "-X"

/* Every structure or union's size must be a multiple of 4 bytes. */
#define STRUCTURE_SIZE_BOUNDARY 16 

/* No data type wants to be aligned rounder than this.  */
#undef BIGGEST_ALIGNMENT
#define BIGGEST_ALIGNMENT 32

/* Allocation boundary (in *bits*) for storing pointers in memory.  */
#undef POINTER_BOUNDARY
#define POINTER_BOUNDARY 32

/* Alignment of field after `int : 0' in a structure.  */
#undef EMPTY_FIELD_BOUNDARY
#define EMPTY_FIELD_BOUNDARY 32

/* Allocation boundry in bits for the code of a function */
#undef  FUNCTION_BOUNDRY
#define FUNCTION_BOUNDRY 32

/* Make strings long-word aligned so dhrystones will run faster. */
#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
   (TREE_CODE (EXP) == STRING_CST \
    && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))

/* Make arrays of chars word-aligned for the same reasons.  */
#define DATA_ALIGNMENT(TYPE, ALIGN)		\
  (TREE_CODE (TYPE) == ARRAY_TYPE		\
   && TYPE_MODE (TREE_TYPE (TYPE)) == QImode	\
   && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))

/* This is BSD, so it wants DBX format.  */
#define DBX_DEBUGGING_INFO

/* Override parts of m68k.h */

#undef CALL_USED_REGISTERS
#define CALL_USED_REGISTERS \
 {1, 1, 0, 0, 0, 0, 0, 0, \
  1, 1, 0, 0, 0, 0, 0, 1, \
  1, 1, 0, 0, 0, 0, 1, 1 }

#undef REG_ALLOC_ORDER
#define REG_ALLOC_ORDER \
{  0,  1,  2,  3,  4,  5,  6,  7,\
   8,  9, 10, 11, 12, 13, 14, 15, \
  16, 17, 22, 23, 18, 19, 20, 21 }

#undef ASM_FILE_START
#define ASM_FILE_START(FILE)	\
  fprintf (FILE, "#NO_APP\n.globl fltused\n");

#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(FILE,LOG)	\
{ int _LOG = LOG;                       \
  if (_LOG == 1)			\
    fprintf (FILE, "\t.even\n");	\
  else if (_LOG == 2)                   \
    fprintf (FILE, "\t.align 4\n");     \
  else if (_LOG != 0)			\
    fprintf (FILE, "\t.align %d\n", _LOG);\
}

/* crt0.c should use the vax-bsd style of entry, with a dummy arg.  */

#define CRT0_DUMMIES bogus_fp,
