home *** CD-ROM | disk | FTP | other *** search
- /* 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,
-