1 files changed, 107 insertions, 0 deletions
diff --git a/gcc-1.40/config/tm-altos3068.h b/gcc-1.40/config/tm-altos3068.h
new file mode 100644
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+++ b/gcc-1.40/config/tm-altos3068.h
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+/* Definitions of target machine for GNU compiler.  Altos 3068 68020 version.
+   Copyright (C) 1988,1989 Free Software Foundation, Inc.
+
+Written by Jyrki Kuoppala <jkp@cs.hut.fi>
+Last modified: Mon Mar  6 22:47:58 1989
+
+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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+
+#include "tm-m68k.h"
+
+/* See tm-m68k.h.  7 means 68020 with 68881.  */
+/* 5 is without 68881.  Change to 7 if you have 68881 */
+
+#ifndef TARGET_DEFAULT
+#define TARGET_DEFAULT 5
+#endif
+
+/* Define __HAVE_68881__ in preprocessor,
+   according to the -m flags.
+   This will control the use of inline 68881 insns in certain macros.
+   Also inform the program which CPU this is for.  */
+
+#if TARGET_DEFAULT & 02
+
+/* -m68881 is the default */
+#define CPP_SPEC \
+"%{!msoft-float:-D__HAVE_68881__ }\
+%{!ansi:%{m68000:-Dmc68010}%{mc68000:-Dmc68010}%{!mc68000:%{!m68000:-Dmc68020}}}"
+
+#else
+
+/* -msoft-float is the default */
+#define CPP_SPEC \
+"%{m68881:-D__HAVE_68881__ }\
+%{!ansi:%{m68000:-Dmc68010}%{mc68000:-Dmc68010}%{!mc68000:%{!m68000:-Dmc68020}}}"
+
+#endif
+
+/* -m68000 requires special flags to the assembler.  */
+
+#define ASM_SPEC \
+ "%{m68000:-mc68010}%{mc68000:-mc68010}%{!mc68000:%{!m68000:-mc68020}}"
+
+/* Names to predefine in the preprocessor for this target machine.  */
+
+#define CPP_PREDEFINES "-Dmc68000 -DPORTAR -Dmc68k32 -Uvax -Dm68k -Dunix"
+
+/* 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
+
+/* We use gnu assembler, linker and gdb, so we want DBX format.  */
+
+#define DBX_DEBUGGING_INFO
+
+/* Tell some conditionals we will use GAS.  Is this really used?  */
+
+#define USE_GAS
+
+/* This is how to output an assembler line defining a `double' constant.  */
+
+#undef ASM_OUTPUT_DOUBLE
+#define ASM_OUTPUT_DOUBLE(FILE,VALUE)                    \
+     fprintf (FILE, "\t.double 0r%.20e\n", (VALUE))
+
+/* This is how to output an assembler line defining a `float' constant.  */
+
+#undef ASM_OUTPUT_FLOAT
+#define ASM_OUTPUT_FLOAT(FILE,VALUE)                    \
+     fprintf (FILE, "\t.single 0r%.20e\n", (VALUE))
+
+#undef ASM_OUTPUT_FLOAT_OPERAND
+#define ASM_OUTPUT_FLOAT_OPERAND(FILE,VALUE)                \
+     fprintf (FILE, "#0r%.9g", (VALUE))
+
+#undef ASM_OUTPUT_DOUBLE_OPERAND
+#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE)                \
+     fprintf (FILE, "#0r%.20g", (VALUE))
+
+/* Return pointer values in both d0 and a0.  */
+
+#undef FUNCTION_EXTRA_EPILOGUE
+#define FUNCTION_EXTRA_EPILOGUE(FILE, SIZE)			\
+{								\
+  extern int current_function_returns_pointer;			\
+  if ((current_function_returns_pointer) && 			\
+      ! find_equiv_reg (0, get_last_insn (), 0, 0, 0, 8, Pmode))\
+    fprintf (FILE, "\tmovel d0,a0\n");				\
+}