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130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
/* Definitions of target machine for GNU compiler. Concurrent 68k version.
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Copyright (C) 1987, 1988, 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef MASSCOMP
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#define MASSCOMP
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#endif
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#ifndef CONCURRENT
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#define CONCURRENT
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#endif
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#ifndef __mc68000__
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#define __mc68000__
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#endif
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#ifndef __mc68020__
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#define __mc68020__
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#endif
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#define USE_GAS
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#define MOVE_RATIO 100
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#define SPACE_AFTER_L_OPTION
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#define SWITCHES_NEED_SPACES "oL"
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/* See m68k.h. 7 means 68020 with 68881. */
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#define TARGET_DEFAULT (MASK_68040|MASK_BITFIELD|MASK_68881|MASK_68020)
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#include "m68k/m68k.h"
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#define SIZE_TYPE "int"
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/* for 68k machines this only needs to be TRUE for the 68000 */
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#undef STRICT_ALIGNMENT
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#define STRICT_ALIGNMENT 0
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/* Names to predefine in the preprocessor for this target machine. */
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#define CPP_PREDEFINES \
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"-Dmc68000 -Dmasscomp -DMASSCOMP -Dunix -DLANGUAGE_C -Dconcurrent -DCONCURRENT"
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (68k, GNU GAS syntax)");
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/* Discard internal local symbols beginning with 'L'. */
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#define LINK_SPEC "-X"
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/* Every structure or union's size must be a multiple of 4 bytes. */
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#define STRUCTURE_SIZE_BOUNDARY 16
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/* No data type wants to be aligned rounder than this. */
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#undef BIGGEST_ALIGNMENT
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#define BIGGEST_ALIGNMENT 32
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/* Allocation boundary (in *bits*) for storing pointers in memory. */
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#undef POINTER_BOUNDARY
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#define POINTER_BOUNDARY 32
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/* Alignment of field after `int : 0' in a structure. */
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#undef EMPTY_FIELD_BOUNDARY
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#define EMPTY_FIELD_BOUNDARY 32
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/* Allocation boundary in bits for the code of a function */
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#undef FUNCTION_BOUNDARY
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#define FUNCTION_BOUNDARY 32
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/* Make strings long-word aligned so dhrystones will run faster. */
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#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
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(TREE_CODE (EXP) == STRING_CST \
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&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
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/* Make arrays of chars word-aligned for the same reasons. */
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#define DATA_ALIGNMENT(TYPE, ALIGN) \
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(TREE_CODE (TYPE) == ARRAY_TYPE \
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&& TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
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&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
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/* This is BSD, so it wants DBX format. */
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#define DBX_DEBUGGING_INFO
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/* Override parts of m68k.h */
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#undef CALL_USED_REGISTERS
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#define CALL_USED_REGISTERS \
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{1, 1, 0, 0, 0, 0, 0, 0, \
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1, 1, 0, 0, 0, 0, 0, 1, \
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1, 1, 0, 0, 0, 0, 1, 1 }
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#undef REG_ALLOC_ORDER
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#define REG_ALLOC_ORDER \
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{ 0, 1, 2, 3, 4, 5, 6, 7,\
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8, 9, 10, 11, 12, 13, 14, 15, \
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16, 17, 22, 23, 18, 19, 20, 21 }
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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fprintf (FILE, "#NO_APP\n.globl fltused\n");
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#undef ASM_OUTPUT_ALIGN
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#define ASM_OUTPUT_ALIGN(FILE,LOG) \
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{ int _LOG = LOG; \
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if (_LOG == 1) \
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fprintf (FILE, "\t.even\n"); \
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else if (_LOG == 2) \
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fprintf (FILE, "\t.align 4\n"); \
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else if (_LOG != 0) \
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fprintf (FILE, "\t.align %d\n", _LOG);\
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}
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/* crt0.c should use the vax-bsd style of entry, with a dummy arg. */
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#define CRT0_DUMMIES bogus_fp,
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