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 * ih264_platform_macros.h
24 *
25 * @brief
26 * Platform specific Macro definitions used in the codec
27 *
28 * @author
29 * Ittiam
30 *
31 * @remarks
32 * None
33 *
34 *******************************************************************************
35 */
36
37
38 #ifndef _IH264_PLATFORM_MACROS_H_
39 #define _IH264_PLATFORM_MACROS_H_
40
41 #include <immintrin.h>
42
43
44 #define CLIP_U8(x) CLIP3(0, 255, (x))
45 #define CLIP_S8(x) CLIP3(-128, 127, (x))
46
47 #define CLIP_U10(x) CLIP3(0, 1023, (x))
48 #define CLIP_S10(x) CLIP3(-512, 511, (x))
49
50 #define CLIP_U12(x) CLIP3(0, 4095, (x))
51 #define CLIP_S12(x) CLIP3(-2048, 2047, (x))
52
53 #define CLIP_U16(x) CLIP3(0, 65535, (x))
54 #define CLIP_S16(x) CLIP3(-32768, 32767, (x))
55
56 #define MEM_ALIGN16 __attribute__ ((aligned (16)))
57
58 #define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0)
59 #define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0)
60
61 #define SHR_NEG(val,shift) ((shift>0)?(val>>shift):(val<<(-shift)))
62 #define SHL_NEG(val,shift) ((shift<0)?(val>>(-shift)):(val<<shift))
63
64
65 #define ITT_BIG_ENDIAN(x) __builtin_bswap32(x);
66
67 #define NOP(nop_cnt) {UWORD32 nop_i; for (nop_i = 0; nop_i < nop_cnt; nop_i++) asm("nop");}
68
69 #define PLD(a)
70
CLZ(UWORD32 u4_word)71 static __inline UWORD32 CLZ(UWORD32 u4_word)
72 {
73 if(u4_word)
74 return(__builtin_clz(u4_word));
75 else
76 return 32;
77 }
78
CTZ(UWORD32 u4_word)79 static __inline UWORD32 CTZ(UWORD32 u4_word)
80 {
81 if(0 == u4_word)
82 return 31;
83 else
84 {
85 unsigned int index;
86 index = __builtin_ctz(u4_word);
87 return (UWORD32)index;
88 }
89 }
90
91 #define DATA_SYNC() __sync_synchronize()
92
93
94
95 //#define INLINE __inline
96 #define INLINE inline
97
98 #define PREFETCH_ENABLE 1
99
100 #if PREFETCH_ENABLE
101 #define PREFETCH(ptr, type) _mm_prefetch(ptr, type);
102 #else
103 #define PREFETCH(ptr, type)
104 #endif
105
106 #define MEM_ALIGN8 __attribute__ ((aligned (8)))
107 #define MEM_ALIGN16 __attribute__ ((aligned (16)))
108 #define MEM_ALIGN32 __attribute__ ((aligned (32)))
109
110 #endif /* _IH264_PLATFORM_MACROS_H_ */
111