Merge

1 files changed, 122 insertions, 0 deletions

diff --git a/lzo/src/lzo_func.ch b/lzo/src/lzo_func.ch
new file mode 100644
index 00000000..a85b71f0
--- /dev/null
+++ b/lzo/src/lzo_func.ch
@@ -0,0 +1,122 @@
+/* lzo_func.ch -- functions
+
+   This file is part of the LZO real-time data compression library.
+
+   Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
+   All Rights Reserved.
+
+   The LZO library 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 2 of
+   the License, or (at your option) any later version.
+
+   The LZO 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the LZO library; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+   Markus F.X.J. Oberhumer
+   <markus@oberhumer.com>
+   http://www.oberhumer.com/opensource/lzo/
+ */
+
+
+/* WARNING: this file should *not* be used by applications. It is
+   part of the implementation of the library and is subject
+   to change.
+ */
+
+
+/***********************************************************************
+// bitops
+************************************************************************/
+
+#if (defined(_WIN32) || defined(_WIN64)) && ((LZO_CC_INTELC && (__INTEL_COMPILER >= 1000)) || (LZO_CC_MSC && (_MSC_VER >= 1400)))
+#include <intrin.h>
+#if !defined(lzo_bitops_clz32) && defined(WANT_lzo_bitops_clz32) && 0
+#pragma intrinsic(_BitScanReverse)
+static __lzo_inline unsigned lzo_bitops_clz32(lzo_uint32 v)
+{
+    unsigned long r;
+    (void) _BitScanReverse(&r, v);
+    return (unsigned) r;
+}
+#define lzo_bitops_clz32 lzo_bitops_clz32
+#endif
+#if !defined(lzo_bitops_clz64) && defined(WANT_lzo_bitops_clz64) && defined(LZO_UINT64_MAX) && 0
+#pragma intrinsic(_BitScanReverse64)
+static __lzo_inline unsigned lzo_bitops_clz64(lzo_uint64 v)
+{
+    unsigned long r;
+    (void) _BitScanReverse64(&r, v);
+    return (unsigned) r;
+}
+#define lzo_bitops_clz64 lzo_bitops_clz64
+#endif
+#if !defined(lzo_bitops_ctz32) && defined(WANT_lzo_bitops_ctz32)
+#pragma intrinsic(_BitScanForward)
+static __lzo_inline unsigned lzo_bitops_ctz32(lzo_uint32 v)
+{
+    unsigned long r;
+    (void) _BitScanForward(&r, v);
+    return (unsigned) r;
+}
+#define lzo_bitops_ctz32 lzo_bitops_ctz32
+#endif
+#if !defined(lzo_bitops_ctz64) && defined(WANT_lzo_bitops_ctz64) && defined(LZO_UINT64_MAX)
+#pragma intrinsic(_BitScanForward64)
+static __lzo_inline unsigned lzo_bitops_ctz64(lzo_uint64 v)
+{
+    unsigned long r;
+    (void) _BitScanForward64(&r, v);
+    return (unsigned) r;
+}
+#define lzo_bitops_ctz64 lzo_bitops_ctz64
+#endif
+
+#elif (LZO_CC_CLANG || (LZO_CC_GNUC >= 0x030400ul) || (LZO_CC_INTELC && (__INTEL_COMPILER >= 1000)) || (LZO_CC_LLVM && (!defined(__llvm_tools_version__) || (__llvm_tools_version__+0 >= 0x010500ul))))
+#if !defined(lzo_bitops_clz32) && defined(WANT_lzo_bitops_clz32)
+#define lzo_bitops_clz32(v) ((unsigned) __builtin_clz(v))
+#endif
+#if !defined(lzo_bitops_clz64) && defined(WANT_lzo_bitops_clz64) && defined(LZO_UINT64_MAX)
+#define lzo_bitops_clz64(v) ((unsigned) __builtin_clzll(v))
+#endif
+#if !defined(lzo_bitops_ctz32) && defined(WANT_lzo_bitops_ctz32)
+#define lzo_bitops_ctz32(v) ((unsigned) __builtin_ctz(v))
+#endif
+#if !defined(lzo_bitops_ctz64) && defined(WANT_lzo_bitops_ctz64) && defined(LZO_UINT64_MAX)
+#define lzo_bitops_ctz64(v) ((unsigned) __builtin_ctzll(v))
+#endif
+#if !defined(lzo_bitops_popcount32) && defined(WANT_lzo_bitops_popcount32)
+#define lzo_bitops_popcount32(v) ((unsigned) __builtin_popcount(v))
+#endif
+#if !defined(lzo_bitops_popcount32) && defined(WANT_lzo_bitops_popcount64) && defined(LZO_UINT64_MAX)
+#define lzo_bitops_popcount64(v) ((unsigned) __builtin_popcountll(v))
+#endif
+#endif
+
+
+/*
+vi:ts=4:et
+*/
+