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diff --git a/gcc/config/spu/float_disf.c b/gcc/config/spu/float_disf.c
new file mode 100644
index 00000000..0f4fe3d8
--- /dev/null
+++ b/gcc/config/spu/float_disf.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+  
+   This file 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 3 of the License, or (at your option)
+   any later version.
+  
+   This file 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.
+  
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Prototype.  */
+float __floatdisf (long long x);
+
+float __floatdisf (long long x)
+{
+  /* The SPU back-end now generates inline code for this conversion.
+     This file is solely used to provide the __floatdisf functions
+     for objects generated with prior versions of GCC.  */
+  return x;
+}