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+/* Software floating-point emulation.
+   Return 1 iff a or b is a NaN, 0 otherwise.
+   Copyright (C) 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Joseph Myers (joseph@codesourcery.com).
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int
+__unordtf2(long double a, long double b)
+{
+  FP_DECL_Q(A);
+  FP_DECL_Q(B);
+  int r;
+
+  FP_UNPACK_RAW_Q(A, a);
+  FP_UNPACK_RAW_Q(B, b);
+  FP_CMP_UNORD_Q(r, A, B);
+
+  return r;
+}