1 files changed, 75 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/lzcntintrin.h b/gcc-4.9/gcc/config/i386/lzcntintrin.h
new file mode 100644
index 000000000..b680a3539
--- /dev/null
+++ b/gcc-4.9/gcc/config/i386/lzcntintrin.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 2009-2014 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/>.  */
+
+#if !defined _X86INTRIN_H_INCLUDED && !defined _IMMINTRIN_H_INCLUDED
+# error "Never use <lzcntintrin.h> directly; include <x86intrin.h> instead."
+#endif
+
+
+#ifndef _LZCNTINTRIN_H_INCLUDED
+#define _LZCNTINTRIN_H_INCLUDED
+
+#ifndef __LZCNT__
+#pragma GCC push_options
+#pragma GCC target("lzcnt")
+#define __DISABLE_LZCNT__
+#endif /* __LZCNT__ */
+
+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__))
+__lzcnt32 (unsigned int __X)
+{
+  return __builtin_clz (__X);
+}
+
+extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_lzcnt_u32 (unsigned int __X)
+{
+  return __builtin_clz (__X);
+}
+
+#ifdef __x86_64__
+extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+__lzcnt64 (unsigned long long __X)
+{
+  return __builtin_clzll (__X);
+}
+
+extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_lzcnt_u64 (unsigned long long __X)
+{
+  return __builtin_clzll (__X);
+}
+#endif
+
+#ifdef __DISABLE_LZCNT__
+#undef __DISABLE_LZCNT__
+#pragma GCC pop_options
+#endif /* __DISABLE_LZCNT__ */
+
+#endif /* _LZCNTINTRIN_H_INCLUDED */