2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
4 * This file is part of FFmpeg.
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.
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.
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
21 #ifndef AVUTIL_MIPS_INTREADWRITE_H
22 #define AVUTIL_MIPS_INTREADWRITE_H
29 #define AV_RN32 AV_RN32
30 static av_always_inline uint32_t AV_RN32(const void *p)
33 __asm__ ("lwl %0, %1 \n\t"
36 : "m"(*(const uint32_t *)((const uint8_t *)p+3*!HAVE_BIGENDIAN)),
37 "m"(*(const uint32_t *)((const uint8_t *)p+3*HAVE_BIGENDIAN)));
41 #define AV_WN32 AV_WN32
42 static av_always_inline void AV_WN32(void *p, uint32_t v)
44 __asm__ ("swl %2, %0 \n\t"
46 : "=m"(*(uint32_t *)((uint8_t *)p+3*!HAVE_BIGENDIAN)),
47 "=m"(*(uint32_t *)((uint8_t *)p+3*HAVE_BIGENDIAN))
53 #define AV_RN64 AV_RN64
54 static av_always_inline uint64_t AV_RN64(const void *p)
57 __asm__ ("ldl %0, %1 \n\t"
60 : "m"(*(const uint64_t *)((const uint8_t *)p+7*!HAVE_BIGENDIAN)),
61 "m"(*(const uint64_t *)((const uint8_t *)p+7*HAVE_BIGENDIAN)));
65 #define AV_WN64 AV_WN64
66 static av_always_inline void AV_WN64(void *p, uint64_t v)
68 __asm__ ("sdl %2, %0 \n\t"
70 : "=m"(*(uint64_t *)((uint8_t *)p+7*!HAVE_BIGENDIAN)),
71 "=m"(*(uint64_t *)((uint8_t *)p+7*HAVE_BIGENDIAN))
77 #define AV_RN64 AV_RN64
78 static av_always_inline uint64_t AV_RN64(const void *p)
80 union { uint64_t v; uint32_t hl[2]; } v;
82 v.hl[1] = AV_RN32((const uint8_t *)p + 4);
86 #define AV_WN64 AV_WN64
87 static av_always_inline void AV_WN64(void *p, uint64_t v)
89 union { uint64_t v; uint32_t hl[2]; } vv = { v };
91 AV_WN32((uint8_t *)p + 4, vv.hl[1]);
94 #endif /* ARCH_MIPS64 */
96 #endif /* HAVE_INLINE_ASM */
98 #endif /* AVUTIL_MIPS_INTREADWRITE_H */