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Diffstat (limited to 'src/main/jni/libwebp/utils/endian_inl.h')
-rw-r--r-- | src/main/jni/libwebp/utils/endian_inl.h | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/main/jni/libwebp/utils/endian_inl.h b/src/main/jni/libwebp/utils/endian_inl.h deleted file mode 100644 index cd56c37f4..000000000 --- a/src/main/jni/libwebp/utils/endian_inl.h +++ /dev/null @@ -1,100 +0,0 @@ -// Copyright 2014 Google Inc. All Rights Reserved. -// -// Use of this source code is governed by a BSD-style license -// that can be found in the COPYING file in the root of the source -// tree. An additional intellectual property rights grant can be found -// in the file PATENTS. All contributing project authors may -// be found in the AUTHORS file in the root of the source tree. -// ----------------------------------------------------------------------------- -// -// Endian related functions. - -#ifndef WEBP_UTILS_ENDIAN_INL_H_ -#define WEBP_UTILS_ENDIAN_INL_H_ - -#ifdef HAVE_CONFIG_H -#include "../webp/config.h" -#endif - -#include "../dsp/dsp.h" -#include "../webp/types.h" - -// some endian fix (e.g.: mips-gcc doesn't define __BIG_ENDIAN__) -#if !defined(WORDS_BIGENDIAN) && \ - (defined(__BIG_ENDIAN__) || defined(_M_PPC) || \ - (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))) -#define WORDS_BIGENDIAN -#endif - -#if defined(WORDS_BIGENDIAN) -#define HToLE32 BSwap32 -#define HToLE16 BSwap16 -#else -#define HToLE32(x) (x) -#define HToLE16(x) (x) -#endif - -#if !defined(HAVE_CONFIG_H) -// clang-3.3 and gcc-4.3 have builtin functions for swap32/swap64 -#if LOCAL_GCC_PREREQ(4,3) || LOCAL_CLANG_PREREQ(3,3) -#define HAVE_BUILTIN_BSWAP32 -#define HAVE_BUILTIN_BSWAP64 -#endif -// clang-3.3 and gcc-4.8 have a builtin function for swap16 -#if LOCAL_GCC_PREREQ(4,8) || LOCAL_CLANG_PREREQ(3,3) -#define HAVE_BUILTIN_BSWAP16 -#endif -#endif // !HAVE_CONFIG_H - -static WEBP_INLINE uint16_t BSwap16(uint16_t x) { -#if defined(HAVE_BUILTIN_BSWAP16) - return __builtin_bswap16(x); -#elif defined(_MSC_VER) - return _byteswap_ushort(x); -#else - // gcc will recognize a 'rorw $8, ...' here: - return (x >> 8) | ((x & 0xff) << 8); -#endif // HAVE_BUILTIN_BSWAP16 -} - -static WEBP_INLINE uint32_t BSwap32(uint32_t x) { -#if defined(WEBP_USE_MIPS32_R2) - uint32_t ret; - __asm__ volatile ( - "wsbh %[ret], %[x] \n\t" - "rotr %[ret], %[ret], 16 \n\t" - : [ret]"=r"(ret) - : [x]"r"(x) - ); - return ret; -#elif defined(HAVE_BUILTIN_BSWAP32) - return __builtin_bswap32(x); -#elif defined(__i386__) || defined(__x86_64__) - uint32_t swapped_bytes; - __asm__ volatile("bswap %0" : "=r"(swapped_bytes) : "0"(x)); - return swapped_bytes; -#elif defined(_MSC_VER) - return (uint32_t)_byteswap_ulong(x); -#else - return (x >> 24) | ((x >> 8) & 0xff00) | ((x << 8) & 0xff0000) | (x << 24); -#endif // HAVE_BUILTIN_BSWAP32 -} - -static WEBP_INLINE uint64_t BSwap64(uint64_t x) { -#if defined(HAVE_BUILTIN_BSWAP64) - return __builtin_bswap64(x); -#elif defined(__x86_64__) - uint64_t swapped_bytes; - __asm__ volatile("bswapq %0" : "=r"(swapped_bytes) : "0"(x)); - return swapped_bytes; -#elif defined(_MSC_VER) - return (uint64_t)_byteswap_uint64(x); -#else // generic code for swapping 64-bit values (suggested by bdb@) - x = ((x & 0xffffffff00000000ull) >> 32) | ((x & 0x00000000ffffffffull) << 32); - x = ((x & 0xffff0000ffff0000ull) >> 16) | ((x & 0x0000ffff0000ffffull) << 16); - x = ((x & 0xff00ff00ff00ff00ull) >> 8) | ((x & 0x00ff00ff00ff00ffull) << 8); - return x; -#endif // HAVE_BUILTIN_BSWAP64 -} - -#endif // WEBP_UTILS_ENDIAN_INL_H_ |