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Annotation of gcc/config/xm-rs6000.h, revision 1.1

1.1     ! root        1: /* Configuration for GNU C-compiler for IBM RS/6000.
        !             2:    Copyright (C) 1990 Free Software Foundation, Inc.
        !             3:    Contributed by Richard Kenner ([email protected]).
        !             4: 
        !             5: This file is part of GNU CC.
        !             6: 
        !             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)
        !            10: any later version.
        !            11: 
        !            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.
        !            16: 
        !            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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            20: 
        !            21: 
        !            22: /* #defines that need visibility everywhere.  */
        !            23: #define        FALSE   0
        !            24: #define        TRUE    1
        !            25: 
        !            26: /* This describes the machine the compiler is hosted on.  */
        !            27: #define        HOST_BITS_PER_CHAR      8
        !            28: #define        HOST_BITS_PER_SHORT     16
        !            29: #define        HOST_BITS_PER_INT       32
        !            30: #define        HOST_BITS_PER_LONG      32
        !            31: #define HOST_BITS_PER_LONGLONG 64
        !            32: 
        !            33: #define        HOST_WORDS_BIG_ENDIAN
        !            34: 
        !            35: /* target machine dependencies.
        !            36:    tm.h is a symbolic link to the actual target specific file.   */
        !            37: #include "tm.h"
        !            38: 
        !            39: /* Arguments to use with `exit'.  */
        !            40: #define        SUCCESS_EXIT_CODE       0
        !            41: #define        FAILURE_EXIT_CODE       2
        !            42: #define        FATAL_EXIT_CODE         3
        !            43: 
        !            44: /* If compiled with GNU C, use the built-in alloca.  */
        !            45: #ifdef __GNUC__
        !            46: #define alloca __builtin_alloca
        !            47: #else
        !            48: #define USE_C_ALLOCA
        !            49: #endif
        !            50: 
        !            51: /* If not compiled with GNU C, use only int bitfields.  */
        !            52: #ifndef __GNUC__
        !            53: #define        ONLY_INT_FIELDS
        !            54: #endif
        !            55: 
        !            56: 
        !            57: #define        USG

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