xref: /external/libmpeg2/common/arm/impeg2_platform_macros.h

/******************************************************************************
 *
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *****************************************************************************
 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
#ifndef __IMPEG2_PLATFORM_MACROS_H__
#define __IMPEG2_PLATFORM_MACROS_H__


#define CONV_LE_TO_BE(u4_temp2,u4_temp1) u4_temp2 =                            \
                                         (u4_temp1 << 24) |                    \
                                         ((u4_temp1 & 0xff00) << 8) |          \
                                         ((u4_temp1 & 0xff0000) >> 8) |        \
                                         (u4_temp1 >> 24);

static __inline  UWORD32 CLZ(UWORD32 u4_word)
{
    if(u4_word)
        return (__builtin_clz(u4_word));
    else
        return 32;
}
static __inline WORD32 CLIP_U8(WORD32 x)
{
    asm("usat %0, #8, %1" : "=r"(x) : "r"(x));
    return x;
}

static __inline WORD32 CLIP_S8(WORD32 x)
{
    asm("ssat %0, #8, %1" : "=r"(x) : "r"(x));
    return x;
}

static __inline WORD32 CLIP_U12(WORD32 x)
{
    asm("usat %0, #12, %1" : "=r"(x) : "r"(x));
    return x;
}

static __inline WORD32 CLIP_S12(WORD32 x)
{
    asm("ssat %0, #12, %1" : "=r"(x) : "r"(x));
    return x;
}

static __inline WORD32 CLIP_U16(WORD32 x)
{
    asm("usat %0, #16, %1" : "=r"(x) : "r"(x));
    return x;
}
static __inline WORD32 CLIP_S16(WORD32 x)
{
    asm("ssat %0, #16, %1" : "=r"(x) : "r"(x));
    return x;
}

#define INLINE
#define PLD(x) __pld(x)

#endif /* __IMPEG2_PLATFORM_MACROS_H__ */