Subversion Repositories Kolibri OS

/*

 * Copyright (c) 2009 Mans Rullgard 

 *

 * 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 AVUTIL_MIPS_INTREADWRITE_H

#define AVUTIL_MIPS_INTREADWRITE_H

#include 

#include "config.h"

#if ARCH_MIPS64 && HAVE_INLINE_ASM

#define AV_RN32 AV_RN32

static av_always_inline uint32_t AV_RN32(const void *p)

{

    struct __attribute__((packed)) u32 { uint32_t v; };

    const uint8_t *q = p;

    const struct u32 *pl = (const struct u32 *)(q + 3 * !HAVE_BIGENDIAN);

    const struct u32 *pr = (const struct u32 *)(q + 3 *  HAVE_BIGENDIAN);

    uint32_t v;

    __asm__ ("lwl %0, %1  \n\t"

             "lwr %0, %2  \n\t"

             : "=&r"(v)

             : "m"(*pl), "m"(*pr));

    return v;

}

#endif /* ARCH_MIPS64 && HAVE_INLINE_ASM */

#endif /* AVUTIL_MIPS_INTREADWRITE_H */