/* Definitions of target machine for GNU compiler, for a 3b1 using GAS. Copyright (C) 1987, 1988 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "m68k/m68k.h" /* See m68k.h. 0 means 68000 with no 68881. */ #define TARGET_DEFAULT 0 /* Don't try using XFmode. */ #undef LONG_DOUBLE_TYPE_SIZE #define LONG_DOUBLE_TYPE_SIZE 64 /* Define __HAVE_68881 in preprocessor only if -m68881 is specified. This will control the use of inline 68881 insns in certain macros. Also inform the program which CPU this is for. */ #define CPP_SPEC "%{m68881:-D__HAVE_68881__} \ %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}" /* -m68020 requires special flags to the assembler. */ #define ASM_SPEC \ "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!m68020:-mc68010}}" /* Names to predefine in the preprocessor for this target machine. */ #define CPP_PREDEFINES "-Dmc68000 -Dmc68k -Dunix -Dunixpc -Asystem=unix -Asystem=svr3 -Acpu=m68k -Amachine=m68k" /* This is (not really) BSD, so (but) it wants DBX format. */ #define DBX_DEBUGGING_INFO 1 /* Specify how to pad function arguments. Value should be `upward', `downward' or `none'. Same as the default, except no padding for large or variable-size args. */ #define FUNCTION_ARG_PADDING(MODE, TYPE) \ (((MODE) == BLKmode \ ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \ && int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \ : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \ ? downward : none) /* Every structure or union's size must be a multiple of 2 bytes. */ #define STRUCTURE_SIZE_BOUNDARY 16 /* Generate calls to memcpy, memcmp and memset. */ #define TARGET_MEM_FUNCTIONS