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-/* 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
-*/
-