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1.1 root 1: /* Definitions of target machine for GNU compiler. HP 9000/200 68000 version.
2: Copyright (C) 1987, 1991 Free Software Foundation, Inc.
3:
4: This file is part of GNU CC.
5:
6: GNU CC is free software; you can redistribute it and/or modify
7: it under the terms of the GNU General Public License as published by
8: the Free Software Foundation; either version 2, or (at your option)
9: any later version.
10:
11: GNU CC is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU General Public License for more details.
15:
16: You should have received a copy of the GNU General Public License
17: along with GNU CC; see the file COPYING. If not, write to
18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20: #include "m68k.h"
21:
22: /* See m68k.h. 0 means 68000 with no 68881. */
23:
1.1.1.2 ! root 24: #define TARGET_DEFAULT 0
1.1 root 25:
26: /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
27: This will control the use of inline 68881 insns in certain macros.
28: Also inform the program which CPU this is for. */
29:
30: #define CPP_SPEC "%{m68881:-D__HAVE_68881__} \
31: %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
32:
33: /* -m68020 requires special flags to the assembler. */
34:
35: #define ASM_SPEC \
36: "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!m68020:-mc68010}}"
37:
38: /* Names to predefine in the preprocessor for this target machine. */
39:
40: #define CPP_PREDEFINES "-Dmc68000 -Dmc68010 -Dhp200 -Dunix"
41:
42: /* Link with libg.a when debugging, for dbx's sake. */
43:
44: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} "
45:
46: /* Alignment of field after `int : 0' in a structure. */
47:
48: #undef EMPTY_FIELD_BOUNDARY
49: #define EMPTY_FIELD_BOUNDARY 16
50:
51: /* Every structure or union's size must be a multiple of 2 bytes. */
52:
53: #define STRUCTURE_SIZE_BOUNDARY 16
54:
55: /* This is BSD, so it wants DBX format. */
56:
57: #define DBX_DEBUGGING_INFO
58:
59: /* Define subroutines to call to handle multiply, divide, and remainder.
60: These routines are built into the c-library on the hp200.
61: XXX What other routines from the c-library could we use?
62: The `*' prevents an underscore from being prepended by the compiler. */
63:
64: #define DIVSI3_LIBCALL "*ldiv"
65: #define UDIVSI3_LIBCALL "*uldiv"
66: #define MODSI3_LIBCALL "*lrem"
67: #define UMODSI3_LIBCALL "*ulrem"
68: #define MULSI3_LIBCALL "*lmul"
69: #define UMULSI3_LIBCALL "*ulmul"
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