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Annotation of gcc/config/m68k/hp2bsd.h, revision 1.1.1.3

1.1       root        1: /* Definitions of target machine for GNU compiler.  HP 9000/200 68000 version.
                      2:    Copyright (C) 1987, 1991 Free Software Foundation, Inc.
                      3: 
                      4: This file is part of GNU CC.
                      5: 
                      6: GNU CC is free software; you can redistribute it and/or modify
                      7: it under the terms of the GNU General Public License as published by
                      8: the Free Software Foundation; either version 2, or (at your option)
                      9: any later version.
                     10: 
                     11: GNU CC is distributed in the hope that it will be useful,
                     12: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: GNU General Public License for more details.
                     15: 
                     16: You should have received a copy of the GNU General Public License
                     17: along with GNU CC; see the file COPYING.  If not, write to
1.1.1.3 ! root       18: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            19: Boston, MA 02111-1307, USA.  */
1.1       root       20: 
                     21: #include "m68k/m68k.h"
                     22: 
                     23: /* See m68k.h.  0 means 68000 with no 68881.  */
                     24: 
                     25: #define TARGET_DEFAULT 0
                     26: 
                     27: /* Don't try using XFmode.  */
                     28: #undef LONG_DOUBLE_TYPE_SIZE
                     29: #define LONG_DOUBLE_TYPE_SIZE 64
                     30: 
                     31: /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
                     32:    This will control the use of inline 68881 insns in certain macros.
                     33:    Also inform the program which CPU this is for.  */
                     34: 
                     35: #define CPP_SPEC "%{m68881:-D__HAVE_68881__} \
                     36: %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
                     37: 
                     38: /* -m68020 requires special flags to the assembler.  */
                     39: 
                     40: #define ASM_SPEC \
                     41:  "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!m68020:-mc68010}}"
                     42: 
                     43: /* Names to predefine in the preprocessor for this target machine.  */
                     44: 
1.1.1.2   root       45: #define CPP_PREDEFINES "-Dmc68000 -Dmc68010 -Dhp200 -Dunix -Asystem(unix) -Asystem(bsd) -Acpu(m68k) -Amachine(m68k)"
1.1       root       46: 
                     47: /* Link with libg.a when debugging, for dbx's sake.  */
                     48: 
                     49: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} "
                     50: 
                     51: /* Alignment of field after `int : 0' in a structure.  */
                     52: 
                     53: #undef EMPTY_FIELD_BOUNDARY
                     54: #define EMPTY_FIELD_BOUNDARY 16
                     55: 
                     56: /* Every structure or union's size must be a multiple of 2 bytes.  */
                     57: 
                     58: #define STRUCTURE_SIZE_BOUNDARY 16
                     59: 
                     60: /* This is BSD, so it wants DBX format.  */
                     61: 
                     62: #define DBX_DEBUGGING_INFO
                     63: 
                     64: /* Define subroutines to call to handle multiply, divide, and remainder.
                     65:    These routines are built into the c-library on the hp200.
                     66:    XXX What other routines from the c-library could we use?
                     67:    The `*' prevents an underscore from being prepended by the compiler.  */
                     68: 
                     69: #define DIVSI3_LIBCALL "*ldiv"
                     70: #define UDIVSI3_LIBCALL "*uldiv"
                     71: #define MODSI3_LIBCALL "*lrem"
                     72: #define UMODSI3_LIBCALL "*ulrem"
                     73: #define MULSI3_LIBCALL "*lmul"
                     74: #define UMULSI3_LIBCALL "*ulmul"
                     75: 
                     76: /* Don't default to pcc-struct-return, because gcc is the only compiler, and
                     77:    we want to retain compatibility with older gcc versions.  */
                     78: #define DEFAULT_PCC_STRUCT_RETURN 0

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