75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
|
|
* 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 "config.h"
|
|
|
|
#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));
|
|
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));
|
|
return d;
|
|
}
|
|
#define MLS64(d, a, b) ((d) = MLS64(d, a, b))
|
|
|
|
#endif
|
|
|
|
#endif /* AVCODEC_MIPS_MATHOPS_H */
|