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Annotation of gcc/config/i386/os2.h, revision 1.1

1.1     ! root        1: /* Definitions of target machine for GNU compiler
        !             2:    for an Intel i386 or later processor running OS/2 2.x.
        !             3:    Copyright (C) 1993, 1994 Free Software Foundation, Inc.
        !             4:    Contributed by Samuel Figueroa ([email protected])
        !             5: 
        !             6: This file is part of GNU CC.
        !             7: 
        !             8: GNU CC is free software; you can redistribute it and/or modify
        !             9: it under the terms of the GNU General Public License as published by
        !            10: the Free Software Foundation; either version 2, or (at your option)
        !            11: any later version.
        !            12: 
        !            13: GNU CC is distributed in the hope that it will be useful,
        !            14: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            16: GNU General Public License for more details.
        !            17: 
        !            18: You should have received a copy of the GNU General Public License
        !            19: along with GNU CC; see the file COPYING.  If not, write to
        !            20: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            21: 
        !            22: #ifndef DEFAULT_TARGET_MACHINE
        !            23: #define DEFAULT_TARGET_MACHINE "i386-os2"
        !            24: #endif
        !            25: #ifndef STARTFILE_SPEC
        !            26: #define STARTFILE_SPEC ""
        !            27: #endif
        !            28: #ifndef MD_EXEC_PREFIX
        !            29: #define MD_EXEC_PREFIX "\\gcc\\bin\\"
        !            30: #endif
        !            31: #ifndef STANDARD_STARTFILE_PREFIX
        !            32: #define STANDARD_STARTFILE_PREFIX "\\gcc\\lib\\"
        !            33: #endif
        !            34: #ifndef LOCAL_INCLUDE_DIR
        !            35: #define LOCAL_INCLUDE_DIR "\\gcc\\include"
        !            36: #endif
        !            37: 
        !            38: #ifndef PATH_SEPARATOR
        !            39: #define PATH_SEPARATOR ';'
        !            40: #endif
        !            41: 
        !            42: #define YES_UNDERSCORES
        !            43: #include "i386/gstabs.h"
        !            44: 
        !            45: #define USE_COLLECT
        !            46: 
        !            47: #define BIGGEST_FIELD_ALIGNMENT \
        !            48:   (maximum_field_alignment ? maximum_field_alignment : 32)
        !            49: 
        !            50: extern int maximum_field_alignment;
        !            51: 
        !            52: #undef PCC_BITFIELD_TYPE_MATTERS
        !            53: #define PCC_BITFIELD_TYPE_MATTERS (maximum_field_alignment == 0)
        !            54: 
        !            55: /* Define this macro if it is advisible to hold scalars in registers
        !            56:    in a wider mode than that declared by the program.  In such cases,
        !            57:    the value is constrained to be within the bounds of the declared
        !            58:    type, but kept valid in the wider mode.  The signedness of the
        !            59:    extension may differ from that of the type.  */
        !            60: 
        !            61: #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE)  \
        !            62:   if (GET_MODE_CLASS (MODE) == MODE_INT         \
        !            63:       && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
        !            64:       (MODE) = SImode;
        !            65: 
        !            66: /* Define this if function arguments should also be promoted using the above
        !            67:    procedure.  */
        !            68: 
        !            69: #define PROMOTE_FUNCTION_ARGS
        !            70: 
        !            71: /* Likewise, if the function return value is promoted.  */
        !            72: 
        !            73: #define PROMOTE_FUNCTION_RETURN

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