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Annotation of GNUtools/cc/config/i386/os2.h, revision 1.1.1.1

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 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: #define YES_UNDERSCORES
                     39: #include "i386/gstabs.h"
                     40: 
                     41: #define USE_COLLECT
                     42: 
                     43: #define BIGGEST_FIELD_ALIGNMENT \
                     44:   (maximum_field_alignment ? maximum_field_alignment : 32)
                     45: 
                     46: extern int maximum_field_alignment;
                     47: 
                     48: #undef PCC_BITFIELD_TYPE_MATTERS
                     49: #define PCC_BITFIELD_TYPE_MATTERS (maximum_field_alignment == 0)
                     50: 
                     51: /* Define this macro if it is advisible to hold scalars in registers
                     52:    in a wider mode than that declared by the program.  In such cases,
                     53:    the value is constrained to be within the bounds of the declared
                     54:    type, but kept valid in the wider mode.  The signedness of the
                     55:    extension may differ from that of the type.  */
                     56: 
                     57: #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE)  \
                     58:   if (GET_MODE_CLASS (MODE) == MODE_INT         \
                     59:       && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
                     60:       (MODE) = SImode;
                     61: 
                     62: /* Define this if function arguments should also be promoted using the above
                     63:    procedure.  */
                     64: 
                     65: #define PROMOTE_FUNCTION_ARGS
                     66: 
                     67: /* Likewise, if the function return value is promoted.  */
                     68: 
                     69: #define PROMOTE_FUNCTION_RETURN

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