/* * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_MIPS_MATHOPS_H #define AVCODEC_MIPS_MATHOPS_H #include <stdint.h> #include "config.h" #include "libavutil/common.h" #if HAVE_INLINE_ASM #if HAVE_LOONGSON static inline av_const int64_t MAC64(int64_t d, int a, int b) { int64_t m; __asm__ ("dmult.g %1, %2, %3 \n\t" "daddu %0, %0, %1 \n\t" : "+r"(d), "=&r"(m) : "r"(a), "r"(b)); return d; } #define MAC64(d, a, b) ((d) = MAC64(d, a, b)) static inline av_const int64_t MLS64(int64_t d, int a, int b) { int64_t m; __asm__ ("dmult.g %1, %2, %3 \n\t" "dsubu %0, %0, %1 \n\t" : "+r"(d), "=&r"(m) : "r"(a), "r"(b)); return d; } #define MLS64(d, a, b) ((d) = MLS64(d, a, b)) #elif ARCH_MIPS64 static inline av_const int64_t MAC64(int64_t d, int a, int b) { int64_t m; __asm__ ("dmult %2, %3 \n\t" "mflo %1 \n\t" "daddu %0, %0, %1 \n\t" : "+r"(d), "=&r"(m) : "r"(a), "r"(b) : "hi", "lo"); return d; } #define MAC64(d, a, b) ((d) = MAC64(d, a, b)) static inline av_const int64_t MLS64(int64_t d, int a, int b) { int64_t m; __asm__ ("dmult %2, %3 \n\t" "mflo %1 \n\t" "dsubu %0, %0, %1 \n\t" : "+r"(d), "=&r"(m) : "r"(a), "r"(b) : "hi", "lo"); return d; } #define MLS64(d, a, b) ((d) = MLS64(d, a, b)) #endif #endif /* HAVE_INLINE_ASM */ #endif /* AVCODEC_MIPS_MATHOPS_H */