--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/i386/lwpintrin.h	Fri Feb 12 23:39:51 2010 +0900
@@ -0,0 +1,100 @@
+/* Copyright (C) 2007, 2008, 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 <lwpintrin.h> directly; include <x86intrin.h> instead."
+#endif
+
+#ifndef _LWPINTRIN_H_INCLUDED
+#define _LWPINTRIN_H_INCLUDED
+
+#ifndef __LWP__
+# error "LWP instruction set not enabled"
+#else
+
+extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__llwpcb (void *pcbAddress)
+{
+  __builtin_ia32_llwpcb (pcbAddress);
+}
+
+extern __inline void * __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__slwpcb (void)
+{
+  return __builtin_ia32_slwpcb ();
+}
+
+#ifdef __OPTIMIZE__
+extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__lwpval32 (unsigned int data2, unsigned int data1, unsigned int flags)
+{
+  __builtin_ia32_lwpval32 (data2, data1, flags);
+}
+
+#ifdef __x86_64__
+extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__lwpval64 (unsigned long long data2, unsigned int data1, unsigned int flags)
+{
+  __builtin_ia32_lwpval64 (data2, data1, flags);
+}
+#endif
+#else
+#define __lwpval32(D2, D1, F) \
+  (__builtin_ia32_lwpval32 ((unsigned int) (D2), (unsigned int) (D1), \
+			    (unsigned int) (F)))
+#ifdef __x86_64__
+#define __lwpval64(D2, D1, F) \
+  (__builtin_ia32_lwpval64 ((unsigned long long) (D2), (unsigned int) (D1), \
+			    (unsigned int) (F)))
+#endif
+#endif
+
+
+#ifdef __OPTIMIZE__
+extern __inline unsigned char __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__lwpins32 (unsigned int data2, unsigned int data1, unsigned int flags)
+{
+  return __builtin_ia32_lwpins32 (data2, data1, flags);
+}
+
+#ifdef __x86_64__
+extern __inline unsigned char __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__lwpins64 (unsigned long long data2, unsigned int data1, unsigned int flags)
+{
+  return __builtin_ia32_lwpins64 (data2, data1, flags);
+}
+#endif
+#else
+#define __lwpins32(D2, D1, F) \
+  (__builtin_ia32_lwpins32 ((unsigned int) (D2), (unsigned int) (D1), \
+			    (unsigned int) (F)))
+#ifdef __x86_64__
+#define __lwpins64(D2, D1, F) \
+  (__builtin_ia32_lwpins64 ((unsigned long long) (D2), (unsigned int) (D1), \
+			    (unsigned int) (F)))
+#endif
+#endif
+
+#endif /* __LWP__ */
+
+#endif /* _LWPINTRIN_H_INCLUDED */