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/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE 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. */ #ifndef VPX_PORTS_MEM_H_ #define VPX_PORTS_MEM_H_ #include "vpx_config.h" #include "vpx/vpx_integer.h" #if (defined(__GNUC__) && __GNUC__) || defined(__SUNPRO_C) #define DECLARE_ALIGNED(n, typ, val) typ val __attribute__((aligned(n))) #elif defined(_MSC_VER) #define DECLARE_ALIGNED(n, typ, val) __declspec(align(n)) typ val #else #warning No alignment directives known for this compiler. #define DECLARE_ALIGNED(n, typ, val) typ val #endif #if HAVE_NEON && defined(_MSC_VER) #define __builtin_prefetch(x) #endif /* Shift down with rounding */ #define ROUND_POWER_OF_TWO(value, n) (((value) + (1 << ((n)-1))) >> (n)) #define ROUND64_POWER_OF_TWO(value, n) (((value) + (1ULL << ((n)-1))) >> (n)) #define ALIGN_POWER_OF_TWO(value, n) \ (((value) + ((1 << (n)) - 1)) & ~((1 << (n)) - 1)) #define CONVERT_TO_SHORTPTR(x) ((uint16_t *)(((uintptr_t)(x)) << 1)) #define CAST_TO_SHORTPTR(x) ((uint16_t *)((uintptr_t)(x))) #if CONFIG_VP9_HIGHBITDEPTH #define CONVERT_TO_BYTEPTR(x) ((uint8_t *)(((uintptr_t)(x)) >> 1)) #define CAST_TO_BYTEPTR(x) ((uint8_t *)((uintptr_t)(x))) #endif // CONFIG_VP9_HIGHBITDEPTH #if !defined(__has_feature) #define __has_feature(x) 0 #endif // !defined(__has_feature) #if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__) #define VPX_WITH_ASAN 1 #else #define VPX_WITH_ASAN 0 #endif // __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__) #endif // VPX_PORTS_MEM_H_