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Annotation of gcc/config/i386/os2.h, revision 1.1.1.3

1.1       root        1: /* Definitions of target machine for GNU compiler
                      2:    for an Intel i386 or later processor running OS/2 2.x.
1.1.1.3 ! root        3:    Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
1.1       root        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
1.1.1.3 ! root       20: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            21: Boston, MA 02111-1307, USA.  */
1.1       root       22: 
                     23: #ifndef DEFAULT_TARGET_MACHINE
                     24: #define DEFAULT_TARGET_MACHINE "i386-os2"
                     25: #endif
1.1.1.2   root       26: #ifndef LINK_SPEC
                     27: #define LINK_SPEC "/st:1048576/pm:vio/noi/a:16/e/bas:65536/nol"
                     28: #endif
                     29: #ifndef LIB_SPEC
1.1.1.3 ! root       30: #define LIB_SPEC "libgcc libc"
1.1.1.2   root       31: #endif
1.1       root       32: #ifndef STARTFILE_SPEC
1.1.1.3 ! root       33: #define STARTFILE_SPEC "libcrt.lib"
1.1       root       34: #endif
                     35: #ifndef MD_EXEC_PREFIX
                     36: #define MD_EXEC_PREFIX "\\gcc\\bin\\"
                     37: #endif
                     38: #ifndef STANDARD_STARTFILE_PREFIX
                     39: #define STANDARD_STARTFILE_PREFIX "\\gcc\\lib\\"
                     40: #endif
                     41: #ifndef LOCAL_INCLUDE_DIR
                     42: #define LOCAL_INCLUDE_DIR "\\gcc\\include"
                     43: #endif
                     44: 
                     45: #define YES_UNDERSCORES
                     46: #include "i386/gstabs.h"
                     47: 
                     48: #define USE_COLLECT
                     49: 
                     50: #define BIGGEST_FIELD_ALIGNMENT \
                     51:   (maximum_field_alignment ? maximum_field_alignment : 32)
                     52: 
                     53: extern int maximum_field_alignment;
                     54: 
                     55: #undef PCC_BITFIELD_TYPE_MATTERS
                     56: #define PCC_BITFIELD_TYPE_MATTERS (maximum_field_alignment == 0)
                     57: 
1.1.1.3 ! root       58: /* Define this macro if it is advisable to hold scalars in registers
1.1       root       59:    in a wider mode than that declared by the program.  In such cases,
                     60:    the value is constrained to be within the bounds of the declared
                     61:    type, but kept valid in the wider mode.  The signedness of the
                     62:    extension may differ from that of the type.  */
                     63: 
                     64: #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE)  \
                     65:   if (GET_MODE_CLASS (MODE) == MODE_INT         \
                     66:       && GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
                     67:       (MODE) = SImode;
                     68: 
                     69: /* Define this if function arguments should also be promoted using the above
                     70:    procedure.  */
                     71: 
                     72: #define PROMOTE_FUNCTION_ARGS
                     73: 
                     74: /* Likewise, if the function return value is promoted.  */
                     75: 
                     76: #define PROMOTE_FUNCTION_RETURN

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