repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> | |
| 3 | * | |
| 4 | * This file is part of FFmpeg. | |
| 5 | * | |
| 6 | * FFmpeg is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU Lesser General Public | |
| 8 | * License as published by the Free Software Foundation; either | |
| 9 | * version 2.1 of the License, or (at your option) any later version. | |
| 10 | * | |
| 11 | * FFmpeg is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | * Lesser General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU Lesser General Public | |
| 17 | * License along with FFmpeg; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef AVUTIL_TOMI_INTREADWRITE_H | |
| 22 | #define AVUTIL_TOMI_INTREADWRITE_H | |
| 23 | ||
| 24 | #include <stdint.h> | |
| 25 | ||
| 26 | #include "config.h" | |
| 27 | #include "libavutil/attributes.h" | |
| 28 | ||
| 29 | #define AV_RB16 AV_RB16 | |
| 30 | static av_always_inline uint16_t AV_RB16(const void *p) | |
| 31 | { | |
| 32 | uint16_t v; | |
| 33 | __asm__ ("loadacc, (%1+) \n\t" | |
| 34 | "rol8 \n\t" | |
| 35 | "storeacc, %0 \n\t" | |
| 36 | "loadacc, (%1+) \n\t" | |
| 37 | "add, %0 \n\t" | |
| 38 | : "=r"(v), "+a"(p)); | |
| 39 | return v; | |
| 40 | } | |
| 41 | ||
| 42 | #define AV_WB16 AV_WB16 | |
| 43 | static av_always_inline void AV_WB16(void *p, uint16_t v) | |
| 44 | { | |
| 45 | __asm__ volatile ("loadacc, %1 \n\t" | |
| 46 | "lsr8 \n\t" | |
| 47 | "storeacc, (%0+) \n\t" | |
| 48 | "loadacc, %1 \n\t" | |
| 49 | "storeacc, (%0+) \n\t" | |
| 50 | : "+&a"(p) : "r"(v)); | |
| 51 | } | |
| 52 | ||
| 53 | #define AV_RL16 AV_RL16 | |
| 54 | static av_always_inline uint16_t AV_RL16(const void *p) | |
| 55 | { | |
| 56 | uint16_t v; | |
| 57 | __asm__ ("loadacc, (%1+) \n\t" | |
| 58 | "storeacc, %0 \n\t" | |
| 59 | "loadacc, (%1+) \n\t" | |
| 60 | "rol8 \n\t" | |
| 61 | "add, %0 \n\t" | |
| 62 | : "=r"(v), "+a"(p)); | |
| 63 | return v; | |
| 64 | } | |
| 65 | ||
| 66 | #define AV_WL16 AV_WL16 | |
| 67 | static av_always_inline void AV_WL16(void *p, uint16_t v) | |
| 68 | { | |
| 69 | __asm__ volatile ("loadacc, %1 \n\t" | |
| 70 | "storeacc, (%0+) \n\t" | |
| 71 | "lsr8 \n\t" | |
| 72 | "storeacc, (%0+) \n\t" | |
| 73 | : "+&a"(p) : "r"(v)); | |
| 74 | } | |
| 75 | ||
| 76 | #define AV_RB32 AV_RB32 | |
| 77 | static av_always_inline uint32_t AV_RB32(const void *p) | |
| 78 | { | |
| 79 | uint32_t v; | |
| 80 | __asm__ ("loadacc, (%1+) \n\t" | |
| 81 | "rol8 \n\t" | |
| 82 | "rol8 \n\t" | |
| 83 | "rol8 \n\t" | |
| 84 | "storeacc, %0 \n\t" | |
| 85 | "loadacc, (%1+) \n\t" | |
| 86 | "rol8 \n\t" | |
| 87 | "rol8 \n\t" | |
| 88 | "add, %0 \n\t" | |
| 89 | "loadacc, (%1+) \n\t" | |
| 90 | "rol8 \n\t" | |
| 91 | "add, %0 \n\t" | |
| 92 | "loadacc, (%1+) \n\t" | |
| 93 | "add, %0 \n\t" | |
| 94 | : "=r"(v), "+a"(p)); | |
| 95 | return v; | |
| 96 | } | |
| 97 | ||
| 98 | #define AV_WB32 AV_WB32 | |
| 99 | static av_always_inline void AV_WB32(void *p, uint32_t v) | |
| 100 | { | |
| 101 | __asm__ volatile ("loadacc, #4 \n\t" | |
| 102 | "add, %0 \n\t" | |
| 103 | "loadacc, %1 \n\t" | |
| 104 | "storeacc, (-%0) \n\t" | |
| 105 | "lsr8 \n\t" | |
| 106 | "storeacc, (-%0) \n\t" | |
| 107 | "lsr8 \n\t" | |
| 108 | "storeacc, (-%0) \n\t" | |
| 109 | "lsr8 \n\t" | |
| 110 | "storeacc, (-%0) \n\t" | |
| 111 | : "+&a"(p) : "r"(v)); | |
| 112 | } | |
| 113 | ||
| 114 | #define AV_RL32 AV_RL32 | |
| 115 | static av_always_inline uint32_t AV_RL32(const void *p) | |
| 116 | { | |
| 117 | uint32_t v; | |
| 118 | __asm__ ("loadacc, (%1+) \n\t" | |
| 119 | "storeacc, %0 \n\t" | |
| 120 | "loadacc, (%1+) \n\t" | |
| 121 | "rol8 \n\t" | |
| 122 | "add, %0 \n\t" | |
| 123 | "loadacc, (%1+) \n\t" | |
| 124 | "rol8 \n\t" | |
| 125 | "rol8 \n\t" | |
| 126 | "add, %0 \n\t" | |
| 127 | "loadacc, (%1+) \n\t" | |
| 128 | "rol8 \n\t" | |
| 129 | "rol8 \n\t" | |
| 130 | "rol8 \n\t" | |
| 131 | "add, %0 \n\t" | |
| 132 | : "=r"(v), "+a"(p)); | |
| 133 | return v; | |
| 134 | } | |
| 135 | ||
| 136 | #define AV_WL32 AV_WL32 | |
| 137 | static av_always_inline void AV_WL32(void *p, uint32_t v) | |
| 138 | { | |
| 139 | __asm__ volatile ("loadacc, %1 \n\t" | |
| 140 | "storeacc, (%0+) \n\t" | |
| 141 | "lsr8 \n\t" | |
| 142 | "storeacc, (%0+) \n\t" | |
| 143 | "lsr8 \n\t" | |
| 144 | "storeacc, (%0+) \n\t" | |
| 145 | "lsr8 \n\t" | |
| 146 | "storeacc, (%0+) \n\t" | |
| 147 | : "+&a"(p) : "r"(v)); | |
| 148 | } | |
| 149 | ||
| 150 | #endif /* AVUTIL_TOMI_INTREADWRITE_H */ |