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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * Copyright (c) 2010 Mans Rullgard |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #ifndef AVUTIL_TOMI_INTREADWRITE_H |
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| 22 | #define AVUTIL_TOMI_INTREADWRITE_H |
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| 23 | |||
| 24 | #include |
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| 25 | |||
| 26 | #include "config.h" |
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| 27 | #include "libavutil/attributes.h" |
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| 28 | |||
| 29 | #define AV_RB16 AV_RB16 |
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| 30 | static av_always_inline uint16_t AV_RB16(const void *p) |
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| 31 | { |
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| 32 | uint16_t v; |
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| 33 | __asm__ ("loadacc, (%1+) \n\t" |
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| 34 | "rol8 \n\t" |
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| 35 | "storeacc, %0 \n\t" |
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| 36 | "loadacc, (%1+) \n\t" |
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| 37 | "add, %0 \n\t" |
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| 38 | : "=r"(v), "+a"(p)); |
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| 39 | return v; |
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| 40 | } |
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| 41 | |||
| 42 | #define AV_WB16 AV_WB16 |
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| 43 | static av_always_inline void AV_WB16(void *p, uint16_t v) |
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| 44 | { |
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| 45 | __asm__ volatile ("loadacc, %1 \n\t" |
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| 46 | "lsr8 \n\t" |
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| 47 | "storeacc, (%0+) \n\t" |
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| 48 | "loadacc, %1 \n\t" |
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| 49 | "storeacc, (%0+) \n\t" |
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| 50 | : "+&a"(p) : "r"(v)); |
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| 51 | } |
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| 52 | |||
| 53 | #define AV_RL16 AV_RL16 |
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| 54 | static av_always_inline uint16_t AV_RL16(const void *p) |
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| 55 | { |
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| 56 | uint16_t v; |
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| 57 | __asm__ ("loadacc, (%1+) \n\t" |
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| 58 | "storeacc, %0 \n\t" |
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| 59 | "loadacc, (%1+) \n\t" |
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| 60 | "rol8 \n\t" |
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| 61 | "add, %0 \n\t" |
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| 62 | : "=r"(v), "+a"(p)); |
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| 63 | return v; |
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| 64 | } |
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| 65 | |||
| 66 | #define AV_WL16 AV_WL16 |
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| 67 | static av_always_inline void AV_WL16(void *p, uint16_t v) |
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| 68 | { |
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| 69 | __asm__ volatile ("loadacc, %1 \n\t" |
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| 70 | "storeacc, (%0+) \n\t" |
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| 71 | "lsr8 \n\t" |
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| 72 | "storeacc, (%0+) \n\t" |
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| 73 | : "+&a"(p) : "r"(v)); |
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| 74 | } |
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| 75 | |||
| 76 | #define AV_RB32 AV_RB32 |
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| 77 | static av_always_inline uint32_t AV_RB32(const void *p) |
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| 78 | { |
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| 79 | uint32_t v; |
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| 80 | __asm__ ("loadacc, (%1+) \n\t" |
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| 81 | "rol8 \n\t" |
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| 82 | "rol8 \n\t" |
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| 83 | "rol8 \n\t" |
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| 84 | "storeacc, %0 \n\t" |
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| 85 | "loadacc, (%1+) \n\t" |
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| 86 | "rol8 \n\t" |
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| 87 | "rol8 \n\t" |
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| 88 | "add, %0 \n\t" |
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| 89 | "loadacc, (%1+) \n\t" |
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| 90 | "rol8 \n\t" |
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| 91 | "add, %0 \n\t" |
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| 92 | "loadacc, (%1+) \n\t" |
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| 93 | "add, %0 \n\t" |
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| 94 | : "=r"(v), "+a"(p)); |
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| 95 | return v; |
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| 96 | } |
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| 97 | |||
| 98 | #define AV_WB32 AV_WB32 |
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| 99 | static av_always_inline void AV_WB32(void *p, uint32_t v) |
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| 100 | { |
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| 101 | __asm__ volatile ("loadacc, #4 \n\t" |
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| 102 | "add, %0 \n\t" |
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| 103 | "loadacc, %1 \n\t" |
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| 104 | "storeacc, (-%0) \n\t" |
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| 105 | "lsr8 \n\t" |
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| 106 | "storeacc, (-%0) \n\t" |
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| 107 | "lsr8 \n\t" |
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| 108 | "storeacc, (-%0) \n\t" |
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| 109 | "lsr8 \n\t" |
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| 110 | "storeacc, (-%0) \n\t" |
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| 111 | : "+&a"(p) : "r"(v)); |
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| 112 | } |
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| 113 | |||
| 114 | #define AV_RL32 AV_RL32 |
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| 115 | static av_always_inline uint32_t AV_RL32(const void *p) |
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| 116 | { |
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| 117 | uint32_t v; |
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| 118 | __asm__ ("loadacc, (%1+) \n\t" |
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| 119 | "storeacc, %0 \n\t" |
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| 120 | "loadacc, (%1+) \n\t" |
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| 121 | "rol8 \n\t" |
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| 122 | "add, %0 \n\t" |
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| 123 | "loadacc, (%1+) \n\t" |
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| 124 | "rol8 \n\t" |
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| 125 | "rol8 \n\t" |
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| 126 | "add, %0 \n\t" |
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| 127 | "loadacc, (%1+) \n\t" |
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| 128 | "rol8 \n\t" |
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| 129 | "rol8 \n\t" |
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| 130 | "rol8 \n\t" |
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| 131 | "add, %0 \n\t" |
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| 132 | : "=r"(v), "+a"(p)); |
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| 133 | return v; |
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| 134 | } |
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| 135 | |||
| 136 | #define AV_WL32 AV_WL32 |
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| 137 | static av_always_inline void AV_WL32(void *p, uint32_t v) |
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| 138 | { |
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| 139 | __asm__ volatile ("loadacc, %1 \n\t" |
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| 140 | "storeacc, (%0+) \n\t" |
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| 141 | "lsr8 \n\t" |
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| 142 | "storeacc, (%0+) \n\t" |
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| 143 | "lsr8 \n\t" |
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| 144 | "storeacc, (%0+) \n\t" |
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| 145 | "lsr8 \n\t" |
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| 146 | "storeacc, (%0+) \n\t" |
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| 147 | : "+&a"(p) : "r"(v)); |
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| 148 | } |
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| 149 | |||
| 150 | #endif /* AVUTIL_TOMI_INTREADWRITE_H */ |