--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/i386/abmintrin.h	Fri Feb 12 23:39:51 2010 +0900
@@ -0,0 +1,55 @@
+/* Copyright (C) 2009 Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC 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, or (at your option)
+   any later version.
+
+   GCC 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/>.  */
+
+#ifndef _X86INTRIN_H_INCLUDED
+# error "Never use <abmintrin.h> directly; include <x86intrin.h> instead."
+#endif
+
+#ifndef __ABM__
+# error "ABM instruction set not enabled"
+#endif /* __ABM__ */
+
+#ifndef _ABMINTRIN_H_INCLUDED
+#define _ABMINTRIN_H_INCLUDED
+
+extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__lzcnt16 (unsigned short __X)
+{
+  return __builtin_clzs (__X);
+}
+
+extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__lzcnt (unsigned int __X)
+{
+  return __builtin_clz (__X);
+}
+
+#ifdef __x86_64__
+extern __inline unsigned long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__lzcnt64 (unsigned long __X)
+{
+  return __builtin_clzl (__X);
+}
+#endif
+
+#endif /* _ABMINTRIN_H_INCLUDED */