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/**
21*******************************************************************************
22* @file
23*  icv_platform_macros.h
24*
25* @brief
26*  This header files contains all the platform/toolchain specific macros
27*
28* @author
29*  Ittiam
30*
31* @par List of Functions:
32*
33* @remarks
34*  None
35*
36*******************************************************************************
37*/
38#ifndef __ICV_PLATFORM_MACROS_H__
39#define __ICV_PLATFORM_MACROS_H__
40
41static __inline  UWORD32 CLZ(UWORD32 u4_word)
42{
43    if(u4_word)
44        return (__builtin_clz(u4_word));
45    else
46        return 32;
47}
48
49static __inline  UWORD32 CLZNZ(UWORD32 u4_word)
50{
51    ASSERT(u4_word);
52    return (__builtin_clz(u4_word));
53}
54
55static __inline WORD32 CLIP_U8(WORD32 x)
56{
57    asm("usat %0, #8, %1" : "=r"(x) : "r"(x));
58    return x;
59}
60
61static __inline WORD32 CLIP_S8(WORD32 x)
62{
63    asm("ssat %0, #8, %1" : "=r"(x) : "r"(x));
64    return x;
65}
66
67static __inline WORD32 CLIP_U12(WORD32 x)
68{
69    asm("usat %0, #12, %1" : "=r"(x) : "r"(x));
70    return x;
71}
72
73static __inline WORD32 CLIP_S12(WORD32 x)
74{
75    asm("ssat %0, #12, %1" : "=r"(x) : "r"(x));
76    return x;
77}
78
79static __inline WORD32 CLIP_U16(WORD32 x)
80{
81    asm("usat %0, #16, %1" : "=r"(x) : "r"(x));
82    return x;
83}
84static __inline WORD32 CLIP_S16(WORD32 x)
85{
86    asm("ssat %0, #16, %1" : "=r"(x) : "r"(x));
87    return x;
88}
89
90static __inline UWORD32 ITT_BIG_ENDIAN(UWORD32 x)
91{
92    asm("rev %0, %1" : "=r"(x) : "r"(x));
93    return x;
94}
95
96#define NOP(nop_cnt)    {UWORD32 nop_i; for (nop_i = 0; nop_i < nop_cnt; nop_i++) asm("nop");}
97
98#define PREFETCH(x) __builtin_prefetch(x);
99
100#define DATA_SYNC() __sync_synchronize()
101
102#define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0)
103#define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0)
104
105#define SHR_NEG(val,shift)  (((shift) > 0) ? ( (val) >> (shift)) : ((val) << (-(shift))))
106#define SHL_NEG(val,shift)  (((shift) > 0) ? ( (val) >> (-(shift))) : ((val) << (shift)))
107
108#define INLINE inline
109
110#define MEM_ALIGN8 __attribute__ ((aligned (8)))
111#define MEM_ALIGN16 __attribute__ ((aligned (16)))
112#define MEM_ALIGN32 __attribute__ ((aligned (32)))
113
114
115#endif /* __ICV_PLATFORM_MACROS_H__ */
116