1
/* libgcc1 routines for 68000 w/o floating-point hardware.
2
Copyright (C) 1994, 1996, 1997, 1998 Free Software Foundation, Inc.
4
This file is part of GNU CC.
6
GNU CC is free software; you can redistribute it and/or modify it
7
under the terms of the GNU General Public License as published by the
8
Free Software Foundation; either version 2, or (at your option) any
11
In addition to the permissions in the GNU General Public License, the
12
Free Software Foundation gives you unlimited permission to link the
13
compiled version of this file with other programs, and to distribute
14
those programs without any restriction coming from the use of this
15
file. (The General Public License restrictions do apply in other
16
respects; for example, they cover modification of the file, and
17
distribution when not linked into another program.)
19
This file is distributed in the hope that it will be useful, but
20
WITHOUT ANY WARRANTY; without even the implied warranty of
21
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22
General Public License for more details.
24
You should have received a copy of the GNU General Public License
25
along with this program; see the file COPYING. If not, write to
26
the Free Software Foundation, 59 Temple Place - Suite 330,
27
Boston, MA 02111-1307, USA. */
29
/* As a special exception, if you link this library with files
30
compiled with GCC to produce an executable, this does not cause
31
the resulting executable to be covered by the GNU General Public License.
32
This exception does not however invalidate any other reasons why
33
the executable file might be covered by the GNU General Public License. */
35
/* Use this one for any 680x0; assumes no floating point hardware.
36
The trailing " '" appearing on some lines is for ANSI preprocessors. Yuk.
37
Some of this code comes from MINIX, via the folks at ericsson.
38
D. V. Henkel-Wallace (gumby@cygnus.com) Fete Bastille, 1992
41
/* These are predefined by new versions of GNU cpp. */
43
#ifndef __USER_LABEL_PREFIX__
44
#define __USER_LABEL_PREFIX__ _
47
#ifndef __REGISTER_PREFIX__
48
#define __REGISTER_PREFIX__
51
#ifndef __IMMEDIATE_PREFIX__
52
#define __IMMEDIATE_PREFIX__ #
55
/* ANSI concatenation macros. */
57
#define CONCAT1(a, b) CONCAT2(a, b)
58
#define CONCAT2(a, b) a ## b
60
/* Use the right prefix for global labels. */
62
#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
64
/* Use the right prefix for registers. */
66
#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
68
/* Use the right prefix for immediate values. */
70
#define IMM(x) CONCAT1 (__IMMEDIATE_PREFIX__, x)
94
movew sp@(4), d0 /* x0 -> d0 */
95
muluw sp@(10), d0 /* x0*y1 */
96
movew sp@(6), d1 /* x1 -> d1 */
97
muluw sp@(8), d1 /* x1*y0 */
98
#if !(defined(__mcf5200__) || defined(__mcoldfire__))
105
movew sp@(6), d1 /* x1 -> d1 */
106
muluw sp@(10), d1 /* x1*y1 */