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 41 static __inline UWORD32 CLZ(UWORD32 u4_word) 42 { 43 if(u4_word) 44 return(__builtin_clz(u4_word)); 45 else 46 return 32; 47 } 48 49 static __inline UWORD32 CLZNZ(UWORD32 u4_word) 50 { 51 ASSERT(u4_word); 52 return(__builtin_clz(u4_word)); 53 } 54 55 static __inline UWORD32 CTZ(UWORD32 u4_word) 56 { 57 if(0 == u4_word) 58 return 31; 59 else 60 { 61 unsigned int index; 62 index = __builtin_ctz(u4_word); 63 return (UWORD32)index; 64 } 65 } 66 67 #define CLIP_U8(x) CLIP3(0, 255, (x)) 68 #define CLIP_S8(x) CLIP3(-128, 127, (x)) 69 70 #define CLIP_U10(x) CLIP3(0, 1023, (x)) 71 #define CLIP_S10(x) CLIP3(-512, 511, (x)) 72 73 #define CLIP_U12(x) CLIP3(0, 4095, (x)) 74 #define CLIP_S12(x) CLIP3(-2048, 2047, (x)) 75 76 #define CLIP_U16(x) CLIP3(0, 65535, (x)) 77 #define CLIP_S16(x) CLIP3(-32768, 32767, (x)) 78 79 #define ITT_BIG_ENDIAN(x) __builtin_bswap32(x); 80 81 #define NOP(nop_cnt) {UWORD32 nop_i; for (nop_i = 0; nop_i < nop_cnt; nop_i++) asm("nop");} 82 #define PREFETCH(x) __builtin_prefetch(x); 83 84 #define DATA_SYNC() __sync_synchronize() 85 86 #define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0) 87 #define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0) 88 89 #define SHR_NEG(val,shift) (((shift) > 0) ? ( (val) >> (shift)) : ((val) << (-(shift)))) 90 #define SHL_NEG(val,shift) (((shift) > 0) ? ( (val) >> (-(shift))) : ((val) << (shift))) 91 92 #define INLINE inline 93 94 #define MEM_ALIGN8 __attribute__ ((aligned (8))) 95 #define MEM_ALIGN16 __attribute__ ((aligned (16))) 96 #define MEM_ALIGN32 __attribute__ ((aligned (32))) 97 98 99 #endif /* _ICV_PLATFORM_MACROS_H_ */ 100