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79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/* Definitions of target machine for GNU compiler. HP 9000/200 68000 version.
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Copyright (C) 1987, 1991 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "m68k/m68k.h"
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/* See m68k.h. 0 means 68000 with no 68881. */
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#define TARGET_DEFAULT 0
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/* Don't try using XFmode. */
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 64
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/* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
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This will control the use of inline 68881 insns in certain macros.
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Also inform the program which CPU this is for. */
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#define CPP_SPEC "%{m68881:-D__HAVE_68881__} \
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%{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
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/* -m68020 requires special flags to the assembler. */
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#define ASM_SPEC \
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"%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!m68020:-mc68010}}"
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/* Names to predefine in the preprocessor for this target machine. */
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#define CPP_PREDEFINES "-Dmc68000 -Dmc68010 -Dhp200 -Dunix -Asystem(unix) -Asystem(bsd) -Acpu(m68k) -Amachine(m68k)"
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/* Link with libg.a when debugging, for dbx's sake. */
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#define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} "
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/* Alignment of field after `int : 0' in a structure. */
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#undef EMPTY_FIELD_BOUNDARY
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#define EMPTY_FIELD_BOUNDARY 16
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/* Every structure or union's size must be a multiple of 2 bytes. */
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#define STRUCTURE_SIZE_BOUNDARY 16
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/* This is BSD, so it wants DBX format. */
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#define DBX_DEBUGGING_INFO
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/* Define subroutines to call to handle multiply, divide, and remainder.
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These routines are built into the c-library on the hp200.
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XXX What other routines from the c-library could we use?
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The `*' prevents an underscore from being prepended by the compiler. */
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#define DIVSI3_LIBCALL "*ldiv"
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#define UDIVSI3_LIBCALL "*uldiv"
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#define MODSI3_LIBCALL "*lrem"
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#define UMODSI3_LIBCALL "*ulrem"
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#define MULSI3_LIBCALL "*lmul"
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#define UMULSI3_LIBCALL "*ulmul"
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/* Don't default to pcc-struct-return, because gcc is the only compiler, and
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we want to retain compatibility with older gcc versions. */
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#define DEFAULT_PCC_STRUCT_RETURN 0
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