2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
3 * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef AVCODEC_MIPS_MATHOPS_H
23 #define AVCODEC_MIPS_MATHOPS_H
27 #include "libavutil/common.h"
34 static inline av_const int MULH(int a, int b)
37 __asm__ ("dmult %1, %2 \n\t"
39 "dsrl %0, %0, 32 \n\t"
46 #define mid_pred mid_pred
47 static inline av_const int mid_pred(int a, int b, int c)
50 __asm__ ("sgt $8, %1, %2 \n\t"
51 "movn %0, %1, $8 \n\t"
52 "movn %1, %2, $8 \n\t"
54 "movz %1, %3, $8 \n\t"
56 "movn %0, %1, $8 \n\t"
63 #endif /* HAVE_LOONGSON3 */
65 #endif /* HAVE_INLINE_ASM */
67 #endif /* AVCODEC_MIPS_MATHOPS_H */