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diff --git a/gcc-1.40/config/tm-tower.h b/gcc-1.40/config/tm-tower.h
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+/* Definitions of target machine for GNU compiler.
+   Copyright (C) 1990 Free Software Foundation, Inc.
+
+   Written by Robert Andersson, International Systems, Oslo, Norway.
+   Please send bug reports, questions and improvements to ra@intsys.no.
+
+   For NCR Tower 32/4x0 and 32/6x0 running System V Release 3.
+   I don't have access to 200/700/800/850 machines, so I don't know if it
+   works on those as well.  It shouldn't be far from it however.
+   The hardware floating point support is completely untested, as I do
+   not have access to a machine with a 6888x FPU in it.
+   It does not work on the System V Release 2 based OS releases.  Making it
+   work will not be easy, due to the silly way in which stack expansion is
+   implemented in the OS.
+
+   This file is included in both tm-tower-as.h and tm-tower-gc.h, and contains
+   definitions common to both of them.  Do *NOT* include this file directly.
+
+
+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.  5 means 68020 with no 68881.  */
+
+#define TARGET_DEFAULT 5
+
+/* Names to predefine in the preprocessor for this target machine.  */
+
+#ifdef tower32_200
+#define CPP_PREDEFINES "-Dunix -Dtower32 -Dtower32_200"
+#endif
+#ifdef tower32_600
+#define CPP_PREDEFINES "-Dunix -Dtower32 -Dtower32_600"
+#endif
+#ifdef tower32_700
+#define CPP_PREDEFINES "-Dunix -Dtower32 -Dtower32_700"
+#endif
+#ifdef tower32_800
+#define CPP_PREDEFINES "-Dunix -Dtower32 -Dtower32_800"
+#endif
+#ifdef tower32_850
+#define CPP_PREDEFINES "-Dunix -Dtower32 -Dtower32_850"
+#endif
+
+/* The startfiles and libraries depend on the -p and -m68881 options.
+   The Tower does not support the -pg option.  */
+
+#define LINK_SPEC                                              \
+"%{p:%{m68881:-L/usr/lib/fp/libp} -L/usr/lib/libp}             \
+ %{m68881:-L/usr/lib/fp}"
+
+#define LIB_SPEC "-lc %{m68881:/usr/lib/fp/crtn.o}%{!m68881:/lib/crtn.o}"
+
+/* Use mem* functions, recognize #ident lines.  */
+
+#define TARGET_MEM_FUNCTIONS
+#define IDENT_DIRECTIVE
+
+/* This is only used in g++, don't prepend underscore.  */
+
+#define NO_UNDERSCORES
+
+/* Every structure and union's size must be a multiple of two bytes.  */
+
+#define STRUCTURE_SIZE_BOUNDARY 16
+
+/* All register names should have a leading % character.  */
+
+#undef REGISTER_NAMES
+#define REGISTER_NAMES \
+{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",                      \
+ "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp",                      \
+ "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7",              \
+ "%fpa0", "%fpa1", "%fpa2", "%fpa3", "%fpa4", "%fpa5", "%fpa6", "%fpa7",      \
+ "%fpa8", "%fpa9", "%fpa10", "%fpa11", "%fpa12", "%fpa13", "%fpa14", "%fpa15",\
+ "%fpa16","%fpa17", "%fpa18", "%fpa19", "%fpa20", "%fpa21", "%fpa22","%fpa23",\
+ "%fpa24","%fpa25", "%fpa26", "%fpa27", "%fpa28", "%fpa29", "%fpa30","%fpa31"}
+
+/* We do not want leading underscores.  */
+
+#undef ASM_OUTPUT_LABELREF
+#define ASM_OUTPUT_LABELREF(FILE,NAME)  \
+  fprintf (FILE, "%s", NAME)