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diff --git a/sysdeps/microblaze/bits/fenv.h b/sysdeps/microblaze/bits/fenv.h
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+/* Copyright (C) 2011-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+/* MicroBlaze supports only round-to-nearest.  The software
+   floating-point support also acts this way.  */
+enum
+  {
+    __FE_UNDEFINED = 0,
+
+    FE_TONEAREST =
+#define FE_TONEAREST	0x1
+    FE_TONEAREST,
+  };
+
+#define FE_ALL_EXCEPT 0
+
+/* Type representing exception flags (if there were any).  */
+typedef unsigned int fexcept_t;
+
+/* Type representing floating-point environment.  */
+typedef unsigned int fenv_t;
+
+/* If the default argument is used we use this value.  */
+#define FE_DFL_ENV	((const fenv_t *) -1l)