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Diffstat (limited to 'src/main/jni/opus/celt/ecintrin.h')
-rw-r--r-- | src/main/jni/opus/celt/ecintrin.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/src/main/jni/opus/celt/ecintrin.h b/src/main/jni/opus/celt/ecintrin.h deleted file mode 100644 index 2263cff6b..000000000 --- a/src/main/jni/opus/celt/ecintrin.h +++ /dev/null @@ -1,87 +0,0 @@ -/* Copyright (c) 2003-2008 Timothy B. Terriberry - Copyright (c) 2008 Xiph.Org Foundation */ -/* - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER - OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -/*Some common macros for potential platform-specific optimization.*/ -#include "opus_types.h" -#include <math.h> -#include <limits.h> -#include "arch.h" -#if !defined(_ecintrin_H) -# define _ecintrin_H (1) - -/*Some specific platforms may have optimized intrinsic or OPUS_INLINE assembly - versions of these functions which can substantially improve performance. - We define macros for them to allow easy incorporation of these non-ANSI - features.*/ - -/*Modern gcc (4.x) can compile the naive versions of min and max with cmov if - given an appropriate architecture, but the branchless bit-twiddling versions - are just as fast, and do not require any special target architecture. - Earlier gcc versions (3.x) compiled both code to the same assembly - instructions, because of the way they represented ((_b)>(_a)) internally.*/ -# define EC_MINI(_a,_b) ((_a)+(((_b)-(_a))&-((_b)<(_a)))) - -/*Count leading zeros. - This macro should only be used for implementing ec_ilog(), if it is defined. - All other code should use EC_ILOG() instead.*/ -#if defined(_MSC_VER) && (_MSC_VER >= 1400) -# include <intrin.h> -/*In _DEBUG mode this is not an intrinsic by default.*/ -# pragma intrinsic(_BitScanReverse) - -static __inline int ec_bsr(unsigned long _x){ - unsigned long ret; - _BitScanReverse(&ret,_x); - return (int)ret; -} -# define EC_CLZ0 (1) -# define EC_CLZ(_x) (-ec_bsr(_x)) -#elif defined(ENABLE_TI_DSPLIB) -# include "dsplib.h" -# define EC_CLZ0 (31) -# define EC_CLZ(_x) (_lnorm(_x)) -#elif __GNUC_PREREQ(3,4) -# if INT_MAX>=2147483647 -# define EC_CLZ0 ((int)sizeof(unsigned)*CHAR_BIT) -# define EC_CLZ(_x) (__builtin_clz(_x)) -# elif LONG_MAX>=2147483647L -# define EC_CLZ0 ((int)sizeof(unsigned long)*CHAR_BIT) -# define EC_CLZ(_x) (__builtin_clzl(_x)) -# endif -#endif - -#if defined(EC_CLZ) -/*Note that __builtin_clz is not defined when _x==0, according to the gcc - documentation (and that of the BSR instruction that implements it on x86). - The majority of the time we can never pass it zero. - When we need to, it can be special cased.*/ -# define EC_ILOG(_x) (EC_CLZ0-EC_CLZ(_x)) -#else -int ec_ilog(opus_uint32 _v); -# define EC_ILOG(_x) (ec_ilog(_x)) -#endif -#endif |