add directory gnu

gnu/gcc/gcc-2.2.2/config/3b1g.h

@@ -0,0 +1,63 @@
+/* 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "m68k.h"
+
+/* See m68k.h.  0 means 68000 with no 68881.  */
+#define TARGET_DEFAULT 0
+
+/* 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"
+
+/* This is (not really) BSD, so (but) it wants DBX format.  */
+#define DBX_DEBUGGING_INFO
+
+/* Brain damage. */
+#define SCCS_DIRECTIVE
+
+/* 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)
+
+/* Override part of the obstack macros.  */
+#define __PTR_TO_INT(P) ((int)(P))
+#define __INT_TO_PTR(P) ((char *)(P))
+
+/* 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
+