0,0 → 1,150 |
/* |
* Copyright (c) 2010 Mans Rullgard <mans@mansr.com> |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg 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 |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
#ifndef AVUTIL_TOMI_INTREADWRITE_H |
#define AVUTIL_TOMI_INTREADWRITE_H |
|
#include <stdint.h> |
|
#include "config.h" |
#include "libavutil/attributes.h" |
|
#define AV_RB16 AV_RB16 |
static av_always_inline uint16_t AV_RB16(const void *p) |
{ |
uint16_t v; |
__asm__ ("loadacc, (%1+) \n\t" |
"rol8 \n\t" |
"storeacc, %0 \n\t" |
"loadacc, (%1+) \n\t" |
"add, %0 \n\t" |
: "=r"(v), "+a"(p)); |
return v; |
} |
|
#define AV_WB16 AV_WB16 |
static av_always_inline void AV_WB16(void *p, uint16_t v) |
{ |
__asm__ volatile ("loadacc, %1 \n\t" |
"lsr8 \n\t" |
"storeacc, (%0+) \n\t" |
"loadacc, %1 \n\t" |
"storeacc, (%0+) \n\t" |
: "+&a"(p) : "r"(v)); |
} |
|
#define AV_RL16 AV_RL16 |
static av_always_inline uint16_t AV_RL16(const void *p) |
{ |
uint16_t v; |
__asm__ ("loadacc, (%1+) \n\t" |
"storeacc, %0 \n\t" |
"loadacc, (%1+) \n\t" |
"rol8 \n\t" |
"add, %0 \n\t" |
: "=r"(v), "+a"(p)); |
return v; |
} |
|
#define AV_WL16 AV_WL16 |
static av_always_inline void AV_WL16(void *p, uint16_t v) |
{ |
__asm__ volatile ("loadacc, %1 \n\t" |
"storeacc, (%0+) \n\t" |
"lsr8 \n\t" |
"storeacc, (%0+) \n\t" |
: "+&a"(p) : "r"(v)); |
} |
|
#define AV_RB32 AV_RB32 |
static av_always_inline uint32_t AV_RB32(const void *p) |
{ |
uint32_t v; |
__asm__ ("loadacc, (%1+) \n\t" |
"rol8 \n\t" |
"rol8 \n\t" |
"rol8 \n\t" |
"storeacc, %0 \n\t" |
"loadacc, (%1+) \n\t" |
"rol8 \n\t" |
"rol8 \n\t" |
"add, %0 \n\t" |
"loadacc, (%1+) \n\t" |
"rol8 \n\t" |
"add, %0 \n\t" |
"loadacc, (%1+) \n\t" |
"add, %0 \n\t" |
: "=r"(v), "+a"(p)); |
return v; |
} |
|
#define AV_WB32 AV_WB32 |
static av_always_inline void AV_WB32(void *p, uint32_t v) |
{ |
__asm__ volatile ("loadacc, #4 \n\t" |
"add, %0 \n\t" |
"loadacc, %1 \n\t" |
"storeacc, (-%0) \n\t" |
"lsr8 \n\t" |
"storeacc, (-%0) \n\t" |
"lsr8 \n\t" |
"storeacc, (-%0) \n\t" |
"lsr8 \n\t" |
"storeacc, (-%0) \n\t" |
: "+&a"(p) : "r"(v)); |
} |
|
#define AV_RL32 AV_RL32 |
static av_always_inline uint32_t AV_RL32(const void *p) |
{ |
uint32_t v; |
__asm__ ("loadacc, (%1+) \n\t" |
"storeacc, %0 \n\t" |
"loadacc, (%1+) \n\t" |
"rol8 \n\t" |
"add, %0 \n\t" |
"loadacc, (%1+) \n\t" |
"rol8 \n\t" |
"rol8 \n\t" |
"add, %0 \n\t" |
"loadacc, (%1+) \n\t" |
"rol8 \n\t" |
"rol8 \n\t" |
"rol8 \n\t" |
"add, %0 \n\t" |
: "=r"(v), "+a"(p)); |
return v; |
} |
|
#define AV_WL32 AV_WL32 |
static av_always_inline void AV_WL32(void *p, uint32_t v) |
{ |
__asm__ volatile ("loadacc, %1 \n\t" |
"storeacc, (%0+) \n\t" |
"lsr8 \n\t" |
"storeacc, (%0+) \n\t" |
"lsr8 \n\t" |
"storeacc, (%0+) \n\t" |
"lsr8 \n\t" |
"storeacc, (%0+) \n\t" |
: "+&a"(p) : "r"(v)); |
} |
|
#endif /* AVUTIL_TOMI_INTREADWRITE_H */ |