2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
4 * This file is part of Libav.
6 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVCODEC_MIPS_MATHOPS_H
22 #define AVCODEC_MIPS_MATHOPS_H
26 #include "libavutil/common.h"
33 static inline av_const int64_t MAC64(int64_t d, int a, int b)
36 __asm__ ("dmult %2, %3 \n\t"
38 "daddu %0, %0, %1 \n\t"
39 : "+r"(d), "=&r"(m) : "r"(a), "r"(b)
43 #define MAC64(d, a, b) ((d) = MAC64(d, a, b))
45 static inline av_const int64_t MLS64(int64_t d, int a, int b)
48 __asm__ ("dmult %2, %3 \n\t"
50 "dsubu %0, %0, %1 \n\t"
51 : "+r"(d), "=&r"(m) : "r"(a), "r"(b)
55 #define MLS64(d, a, b) ((d) = MLS64(d, a, b))
59 static inline av_const int64_t MAC64(int64_t d, int a, int b)
62 __asm__ ("dmult.g %1, %2, %3 \n\t"
63 "daddu %0, %0, %1 \n\t"
64 : "+r"(d), "=&r"(m) : "r"(a), "r"(b));
67 #define MAC64(d, a, b) ((d) = MAC64(d, a, b))
69 static inline av_const int64_t MLS64(int64_t d, int a, int b)
72 __asm__ ("dmult.g %1, %2, %3 \n\t"
73 "dsubu %0, %0, %1 \n\t"
74 : "+r"(d), "=&r"(m) : "r"(a), "r"(b));
77 #define MLS64(d, a, b) ((d) = MLS64(d, a, b))
81 #endif /* HAVE_LOONGSON */
83 #endif /* HAVE_INLINE_ASM */
85 #endif /* AVCODEC_MIPS_MATHOPS_H */