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diff --git a/gdb/config/i386/tm-i386aix.h b/gdb/config/i386/tm-i386aix.h
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+++ b/gdb/config/i386/tm-i386aix.h
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+/* Macro defintions for IBM AIX PS/2 (i386).
+   Copyright 1986, 1987, 1989, 1992, 1993 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program 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 of the License, or
+(at your option) any later version.
+
+This program 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 this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Changes for IBM AIX PS/2 by Minh Tran-Le (tranle@intellicorp.com).  */
+
+#ifndef TM_I386AIX_H
+#define TM_I386AIX_H 1
+
+#include "i386/tm-i386.h"
+#include <sys/reg.h>
+
+#ifndef I386
+# define I386 1
+#endif
+#ifndef I386_AIX_TARGET
+# define I386_AIX_TARGET 1
+#endif
+
+/* Nonzero if register N requires conversion
+   from raw format to virtual format.  */
+
+#undef  REGISTER_CONVERTIBLE
+#define REGISTER_CONVERTIBLE(N) \
+  ((N < FP0_REGNUM) ? 0 : 1)
+
+/* Convert data from raw format for register REGNUM in buffer FROM
+   to virtual format with type TYPE in buffer TO.  */
+
+#undef REGISTER_CONVERT_TO_VIRTUAL
+#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
+{ \
+  double val; \
+  i387_to_double ((FROM), (char *)&val); \
+  store_floating ((TO), TYPE_LENGTH (TYPE), val); \
+}
+extern void
+i387_to_double PARAMS ((char *, char *));
+
+/* Convert data from virtual format with type TYPE in buffer FROM
+   to raw format for register REGNUM in buffer TO.  */
+
+#undef REGISTER_CONVERT_TO_RAW
+#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
+{ \
+  double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \
+  double_to_i387((char *)&val, (TO)); \
+}
+extern void
+double_to_i387 PARAMS ((char *, char *));
+
+#endif /* TM_I386AIX_H */