Initial revision

From-SVN: r193

gcc/config/a29k/unix.h

+/* Definitions of target machine for GNU compiler, for AMD Am29000 CPU, Unix.
+   Copyright (C) 1991 Free Software Foundation, Inc.
+   Contributed by Richard Kenner (kenner@nyu.edu)
+
+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.  */
+
+
+/* This is mostly the same as a29k.h, except that we define unix instead of
+   EPI and define unix-style machine names.  */
+
+#include "a29k.h"
+
+/* Set our default target to be the 29050; that is the more interesting chip
+   for Unix systems.  */
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT (1+2+8+64)
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-Dam29k -Da29k -Dam29000"
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{!m29000:-Dam29050 -D__am29050__}"
+
+/* For some systems, it is best if double-word objects are aligned on a 
+   doubleword boundary.  We want to maintain compatibility with MetaWare in
+   a29k.h, but do not feel constrained to do so here.  */
+
+#undef BIGGEST_ALIGNMENT
+#define BIGGEST_ALIGNMENT 64