1 /* Configuration for GNU C-compiler for DEC Alpha.
2 Copyright (C) 1990, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
3 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu).
5 This file is part of GNU CC.
7 GNU CC 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)
12 GNU CC 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 CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 /* #defines that need visibility everywhere. */
27 /* This describes the machine the compiler is hosted on. */
28 #define HOST_BITS_PER_CHAR 8
29 #define HOST_BITS_PER_SHORT 16
30 #define HOST_BITS_PER_INT 32
31 #define HOST_BITS_PER_LONG 64
32 #define HOST_BITS_PER_LONGLONG 64
34 /* #define HOST_WORDS_BIG_ENDIAN */
36 /* target machine dependencies.
37 tm.h is a symbolic link to the actual target specific file. */
40 /* Arguments to use with `exit'. */
41 #define SUCCESS_EXIT_CODE 0
42 #define FATAL_EXIT_CODE 33
44 /* If compiled with GNU C, use the builtin alloca. */
46 #if defined(__GNUC__) && !defined(USE_C_ALLOCA)
47 #define alloca __builtin_alloca
49 #if !defined(_WIN32) && !defined(USE_C_ALLOCA) && !defined(OPEN_VMS) && !defined(__INTERIX)
52 extern void *alloca ();
57 /* The host compiler has problems with enum bitfields since it makes
58 them signed so we can't fit all our codes in. */
61 #define ONLY_INT_FIELDS
64 /* Declare some functions needed for this machine. We don't want to
65 include these in the sources since other machines might define them
68 extern void *malloc (), *realloc (), *calloc ();
74 /* OSF/1 is POSIX.1 compliant. */