/* * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn> * * 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_LOONGSON3 #define MULH MULHstatic inline av_const int MULH(int a, int b){    int c;    __asm__ ("dmult %1, %2      \n\t"             "mflo %0           \n\t"             "dsrl %0, %0, 32   \n\t"             : "=r"(c)             : "r"(a),"r"(b)             : "hi", "lo");    return c;} #define mid_pred mid_predstatic inline av_const int mid_pred(int a, int b, int c){    int t = b;    __asm__ ("sgt $8, %1, %2    \n\t"             "movn %0, %1, $8   \n\t"             "movn %1, %2, $8   \n\t"             "sgt $8, %1, %3    \n\t"             "movz %1, %3, $8   \n\t"             "sgt $8, %0, %1    \n\t"             "movn %0, %1, $8   \n\t"             : "+&r"(t),"+&r"(a)             : "r"(b),"r"(c)             : "$8");    return t;} #endif /* HAVE_LOONGSON3 */ #endif /* HAVE_INLINE_ASM */ #endif /* AVCODEC_MIPS_MATHOPS_H */