Clarify potential drawback of previous change.
[emacs.git] / src / m / celerity.h
blob0eba349b7db65f9f8e372bd25a796f601249aab2
1 /* machine description file for Celerity.
2 Copyright (C) 1985, 1986, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
23 /* The following line tells the configuration script what sort of
24 operating system this machine is likely to run.
25 USUAL-OPSYS="bsd4-2" */
27 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
28 is the most significant byte. */
30 #define WORDS_BIG_ENDIAN
32 /* XINT must explicitly sign extend */
34 #define EXPLICIT_SIGN_EXTEND
36 /* celerity preprocessor defines "accel", however the following is clearer */
37 #define celerity
39 /* #define NO_UNION_TYPE would be preferable,
40 but it does not work, and the reason is not yet known. */
42 #define NO_UNION_TYPE
44 /* Data type of load average, as read out of kmem. */
46 #define LOAD_AVE_TYPE double
48 /* Convert that into an integer that is 100 for a load average of 1.0 */
50 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
52 /* A machine-specific loader switch is needed. */
54 #define LD_SWITCH_MACHINE -k100000
56 /* (short) negative-int doesn't sign-extend correctly */
57 #define SHORT_CAST_BUG
59 /* arch-tag: b4df1828-fab6-48f8-97bc-b8998c200eea
60 (do not change this comment) */