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      1 /******************************************************************************
      2  *
      3  * Copyright (C) 2015 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at:
      8  *
      9  * http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  *
     17  *****************************************************************************
     18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
     19 */
     20 #ifndef __IMPEG2_PLATFORM_MACROS_H__
     21 #define __IMPEG2_PLATFORM_MACROS_H__
     22 
     23 
     24 #define CONV_LE_TO_BE(u4_temp2,u4_temp1) u4_temp2 =                            \
     25                                          (u4_temp1 << 24) |                    \
     26                                          ((u4_temp1 & 0xff00) << 8) |          \
     27                                          ((u4_temp1 & 0xff0000) >> 8) |        \
     28                                          (u4_temp1 >> 24);
     29 
     30 static __inline  UWORD32 CLZ(UWORD32 u4_word)
     31 {
     32     if(u4_word)
     33         return (__builtin_clz(u4_word));
     34     else
     35         return 32;
     36 }
     37 static __inline WORD32 CLIP_U8(WORD32 x)
     38 {
     39     asm("usat %0, #8, %1" : "=r"(x) : "r"(x));
     40     return x;
     41 }
     42 
     43 static __inline WORD32 CLIP_S8(WORD32 x)
     44 {
     45     asm("ssat %0, #8, %1" : "=r"(x) : "r"(x));
     46     return x;
     47 }
     48 
     49 static __inline WORD32 CLIP_U12(WORD32 x)
     50 {
     51     asm("usat %0, #12, %1" : "=r"(x) : "r"(x));
     52     return x;
     53 }
     54 
     55 static __inline WORD32 CLIP_S12(WORD32 x)
     56 {
     57     asm("ssat %0, #12, %1" : "=r"(x) : "r"(x));
     58     return x;
     59 }
     60 
     61 static __inline WORD32 CLIP_U16(WORD32 x)
     62 {
     63     asm("usat %0, #16, %1" : "=r"(x) : "r"(x));
     64     return x;
     65 }
     66 static __inline WORD32 CLIP_S16(WORD32 x)
     67 {
     68     asm("ssat %0, #16, %1" : "=r"(x) : "r"(x));
     69     return x;
     70 }
     71 
     72 #define INLINE
     73 #define PLD(x) __pld(x)
     74 
     75 #endif /* __IMPEG2_PLATFORM_MACROS_H__ */
     76