1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/config/rs6000/aix31.h b/gcc/config/rs6000/aix31.h
new file mode 100755
index 0000000..46bd03c
--- /dev/null
+++ b/gcc/config/rs6000/aix31.h
@@ -0,0 +1,41 @@
+/* Definitions of target machine for GNU compiler,
+   for IBM RS/6000 running AIX version 3.1.
+   Copyright (C) 1993,1997 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, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+#include "rs6000/rs6000.h"
+
+/* AIX 3.2 defined _AIX32, but older versions do not.  */
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-D_IBMR2 -D_AIX -Asystem(unix) -Asystem(aix) -Acpu(rs6000) -Amachine(rs6000)"
+
+/* AIX 3.1 uses bit 15 in CROR as the magic nop.  */
+#undef RS6000_CALL_GLUE
+#define RS6000_CALL_GLUE "cror 15,15,15"
+
+/* AIX 3.1 does not prepend underscores to itrunc, uitrunc, or mcount.  */
+#undef RS6000_ITRUNC
+#define RS6000_ITRUNC "itrunc"
+#undef RS6000_UITRUNC
+#define RS6000_UITRUNC "uitrunc"
+#undef RS6000_MCOUNT
+#define RS6000_MCOUNT ".mcount"
+