1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /* 19 20 Pathname: fxp_mul32_msc_evc.h 21 22 ------------------------------------------------------------------------------ 23 REVISION HISTORY 24 25 Who: Date: 26 Description: 27 ------------------------------------------------------------------------------ 28 INCLUDE DESCRIPTION 29 30 ------------------------------------------------------------------------------ 31 */ 32 33 34 #ifndef FXP_MUL32_MSC_EVC 35 #define FXP_MUL32_MSC_EVC 36 37 38 #ifdef __cplusplus 39 extern "C" 40 { 41 #endif 42 43 44 #include "pv_audio_type_defs.h" 45 46 #if defined(PV_ARM_MSC_EVC_V4) 47 48 #include "cmnintrin.h" 49 50 #define preload_cache( a) 51 52 __inline Int32 shft_lft_1(Int32 L_var1) 53 { 54 if (((L_var1 << 1) >> 1) == L_var1) 55 L_var1 <<= 1; 56 else 57 L_var1 = ((L_var1 >> 31) ^ INT32_MAX); 58 59 return L_var1; 60 61 } 62 63 __inline Int32 fxp_mul_16_by_16bb(Int32 L_var1, Int32 L_var2) 64 { 65 L_var2 = (L_var2 << 16) >> 16; 66 L_var1 = (L_var1 << 16) >> 16; 67 68 return (L_var1*L_var2); 69 70 } 71 72 #define fxp_mul_16_by_16(a, b) fxp_mul_16_by_16bb( a, b) 73 74 __inline Int32 fxp_mul_16_by_16tb(Int32 L_var1, Int32 L_var2) 75 { 76 L_var2 = (L_var2 << 16) >> 16; 77 L_var1 = L_var1 >> 16; 78 79 return (L_var1*L_var2); 80 81 } 82 83 84 __inline Int32 fxp_mul_16_by_16bt(Int32 L_var1, Int32 L_var2) 85 { 86 L_var2 = L_var2 >> 16; 87 L_var1 = (L_var1 << 16) >> 16; 88 89 return (L_var1*L_var2); 90 91 } 92 93 94 __inline Int32 fxp_mul_16_by_16tt(Int32 L_var1, Int32 L_var2) 95 { 96 L_var2 = L_var2 >> 16; 97 L_var1 = L_var1 >> 16; 98 99 return (L_var1*L_var2); 100 101 } 102 103 __inline Int32 fxp_mac_16_by_16(Int16 L_var1, Int16 L_var2, Int32 L_add) 104 { 105 return (L_add + (L_var1*L_var2)); 106 } 107 108 109 110 __inline Int32 fxp_mac_16_by_16_bb(Int16 L_var1, Int32 L_var2, Int32 L_add) 111 { 112 L_var2 = (L_var2 << 16) >> 16; 113 114 return (L_add + (L_var1*L_var2)); 115 116 } 117 118 119 __inline Int32 fxp_mac_16_by_16_bt(Int16 L_var1, Int32 L_var2, Int32 L_add) 120 { 121 L_var2 = L_var2 >> 16; 122 123 return (L_add + (L_var1*L_var2)); 124 125 } 126 127 128 __inline Int32 cmplx_mul32_by_16(Int32 x, const Int32 y, Int32 exp_jw) 129 { 130 Int32 rTmp0 = (exp_jw >> 16) << 16; 131 Int32 iTmp0 = exp_jw << 16; 132 Int32 z; 133 134 135 z = _MulHigh(rTmp0, x); 136 z += _MulHigh(iTmp0, y); 137 138 return (z); 139 } 140 141 142 __inline Int32 fxp_mul32_by_16(Int32 L_var1, const Int32 L_var2) 143 { 144 Int32 rTmp0 = L_var2 << 16; 145 146 return(_MulHigh(rTmp0, L_var1)); 147 } 148 149 #define fxp_mul32_by_16b( a, b) fxp_mul32_by_16( a, b) 150 151 152 __inline Int32 fxp_mul32_by_16t(Int32 L_var1, const Int32 L_var2) 153 { 154 Int32 rTmp0 = (Int16)(L_var2 >> 16); 155 156 return(_MulHigh((rTmp0 << 16), L_var1)); 157 } 158 159 160 __inline Int32 fxp_mac32_by_16(const Int32 L_var1, const Int32 L_var2, Int32 L_add) 161 { 162 163 Int32 rTmp0 = (L_var2 << 16); 164 165 return(L_add + _MulHigh(rTmp0, L_var1)); 166 } 167 168 __inline int64 fxp_mac64_Q31(int64 sum, const Int32 L_var1, const Int32 L_var2) 169 { 170 sum += (int64)L_var1 * L_var2; 171 return (sum); 172 } 173 174 #define fxp_mul32_Q31( a, b) _MulHigh( b, a) 175 176 __inline Int32 fxp_mac32_Q31(Int32 L_add, const Int32 a, const Int32 b) 177 { 178 return (L_add + _MulHigh(b, a)); 179 } 180 181 __inline Int32 fxp_msu32_Q31(Int32 L_sub, const Int32 a, const Int32 b) 182 { 183 return (L_sub - _MulHigh(b, a)); 184 } 185 186 187 __inline Int32 fxp_mul32_Q30(const Int32 a, const Int32 b) 188 { 189 return (Int32)(((int64)(a) * b) >> 30); 190 } 191 192 __inline Int32 fxp_mac32_Q30(const Int32 a, const Int32 b, Int32 L_add) 193 { 194 return (L_add + (Int32)(((int64)(a) * b) >> 30)); 195 } 196 197 198 __inline Int32 fxp_mul32_Q29(const Int32 a, const Int32 b) 199 { 200 return (Int32)(((int64)(a) * b) >> 29); 201 } 202 203 __inline Int32 fxp_mac32_Q29(const Int32 a, const Int32 b, Int32 L_add) 204 { 205 return (L_add + (Int32)(((int64)(a) * b) >> 29)); 206 } 207 208 __inline Int32 fxp_msu32_Q29(const Int32 a, const Int32 b, Int32 L_sub) 209 { 210 return (L_sub - (Int32)(((int64)(a) * b) >> 29)); 211 } 212 213 214 __inline Int32 fxp_mul32_Q28(const Int32 a, const Int32 b) 215 { 216 return (Int32)(((int64)(a) * b) >> 28); 217 } 218 219 __inline Int32 fxp_mul32_Q27(const Int32 a, const Int32 b) 220 { 221 return (Int32)(((int64)(a) * b) >> 27); 222 } 223 224 __inline Int32 fxp_mul32_Q26(const Int32 a, const Int32 b) 225 { 226 return (Int32)(((int64)(a) * b) >> 26); 227 } 228 229 __inline Int32 fxp_mul32_Q20(const Int32 a, const Int32 b) 230 { 231 return (Int32)(((int64)(a) * b) >> 20); 232 } 233 234 __inline Int32 fxp_mul32_Q15(const Int32 a, const Int32 b) 235 { 236 return (Int32)(((int64)(a) * b) >> 15); 237 } 238 239 __inline Int32 fxp_mul32_Q14(const Int32 a, const Int32 b) 240 { 241 return (Int32)(((int64)(a) * b) >> 14); 242 } 243 244 245 246 #endif 247 248 249 #ifdef __cplusplus 250 } 251 #endif 252 253 254 #endif /* FXP_MUL32 */ 255
