1*fb1b10abSAndroid Build Coastguard Worker /* 2*fb1b10abSAndroid Build Coastguard Worker * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3*fb1b10abSAndroid Build Coastguard Worker * 4*fb1b10abSAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license 5*fb1b10abSAndroid Build Coastguard Worker * that can be found in the LICENSE file in the root of the source 6*fb1b10abSAndroid Build Coastguard Worker * tree. An additional intellectual property rights grant can be found 7*fb1b10abSAndroid Build Coastguard Worker * in the file PATENTS. All contributing project authors may 8*fb1b10abSAndroid Build Coastguard Worker * be found in the AUTHORS file in the root of the source tree. 9*fb1b10abSAndroid Build Coastguard Worker */ 10*fb1b10abSAndroid Build Coastguard Worker 11*fb1b10abSAndroid Build Coastguard Worker #ifndef VPX_VPX_PORTS_MEM_H_ 12*fb1b10abSAndroid Build Coastguard Worker #define VPX_VPX_PORTS_MEM_H_ 13*fb1b10abSAndroid Build Coastguard Worker 14*fb1b10abSAndroid Build Coastguard Worker #include "vpx_config.h" 15*fb1b10abSAndroid Build Coastguard Worker #include "vpx/vpx_integer.h" 16*fb1b10abSAndroid Build Coastguard Worker 17*fb1b10abSAndroid Build Coastguard Worker #if defined(__GNUC__) || defined(__SUNPRO_C) 18*fb1b10abSAndroid Build Coastguard Worker #define DECLARE_ALIGNED(n, typ, val) typ val __attribute__((aligned(n))) 19*fb1b10abSAndroid Build Coastguard Worker #elif defined(_MSC_VER) 20*fb1b10abSAndroid Build Coastguard Worker #define DECLARE_ALIGNED(n, typ, val) __declspec(align(n)) typ val 21*fb1b10abSAndroid Build Coastguard Worker #else 22*fb1b10abSAndroid Build Coastguard Worker #warning No alignment directives known for this compiler. 23*fb1b10abSAndroid Build Coastguard Worker #define DECLARE_ALIGNED(n, typ, val) typ val 24*fb1b10abSAndroid Build Coastguard Worker #endif 25*fb1b10abSAndroid Build Coastguard Worker 26*fb1b10abSAndroid Build Coastguard Worker #if defined(__has_builtin) 27*fb1b10abSAndroid Build Coastguard Worker #define VPX_HAS_BUILTIN(x) __has_builtin(x) 28*fb1b10abSAndroid Build Coastguard Worker #else 29*fb1b10abSAndroid Build Coastguard Worker #define VPX_HAS_BUILTIN(x) 0 30*fb1b10abSAndroid Build Coastguard Worker #endif 31*fb1b10abSAndroid Build Coastguard Worker 32*fb1b10abSAndroid Build Coastguard Worker #if !VPX_HAS_BUILTIN(__builtin_prefetch) && !defined(__GNUC__) 33*fb1b10abSAndroid Build Coastguard Worker #define __builtin_prefetch(x) 34*fb1b10abSAndroid Build Coastguard Worker #endif 35*fb1b10abSAndroid Build Coastguard Worker 36*fb1b10abSAndroid Build Coastguard Worker /* Shift down with rounding */ 37*fb1b10abSAndroid Build Coastguard Worker #define ROUND_POWER_OF_TWO(value, n) (((value) + (1 << ((n)-1))) >> (n)) 38*fb1b10abSAndroid Build Coastguard Worker #define ROUND64_POWER_OF_TWO(value, n) (((value) + (1ULL << ((n)-1))) >> (n)) 39*fb1b10abSAndroid Build Coastguard Worker 40*fb1b10abSAndroid Build Coastguard Worker #define ALIGN_POWER_OF_TWO(value, n) \ 41*fb1b10abSAndroid Build Coastguard Worker (((value) + ((1 << (n)) - 1)) & ~((1 << (n)) - 1)) 42*fb1b10abSAndroid Build Coastguard Worker 43*fb1b10abSAndroid Build Coastguard Worker #define CONVERT_TO_SHORTPTR(x) ((uint16_t *)(((uintptr_t)(x)) << 1)) 44*fb1b10abSAndroid Build Coastguard Worker #define CAST_TO_SHORTPTR(x) ((uint16_t *)((uintptr_t)(x))) 45*fb1b10abSAndroid Build Coastguard Worker #if CONFIG_VP9_HIGHBITDEPTH 46*fb1b10abSAndroid Build Coastguard Worker #define CONVERT_TO_BYTEPTR(x) ((uint8_t *)(((uintptr_t)(x)) >> 1)) 47*fb1b10abSAndroid Build Coastguard Worker #define CAST_TO_BYTEPTR(x) ((uint8_t *)((uintptr_t)(x))) 48*fb1b10abSAndroid Build Coastguard Worker #endif // CONFIG_VP9_HIGHBITDEPTH 49*fb1b10abSAndroid Build Coastguard Worker 50*fb1b10abSAndroid Build Coastguard Worker #endif // VPX_VPX_PORTS_MEM_H_ 51