1 /* Copyright (C) 2002 Jean-Marc Valin */ 2 /** 3 @file filters_sse.h 4 @brief Various analysis/synthesis filters (SSE version) 5 */ 6 /* 7 Redistribution and use in source and binary forms, with or without 8 modification, are permitted provided that the following conditions 9 are met: 10 11 - Redistributions of source code must retain the above copyright 12 notice, this list of conditions and the following disclaimer. 13 14 - Redistributions in binary form must reproduce the above copyright 15 notice, this list of conditions and the following disclaimer in the 16 documentation and/or other materials provided with the distribution. 17 18 - Neither the name of the Xiph.org Foundation nor the names of its 19 contributors may be used to endorse or promote products derived from 20 this software without specific prior written permission. 21 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 25 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR 26 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 27 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 29 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 30 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 31 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 32 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <xmmintrin.h> 36 37 void filter_mem16_10(const float *x, const float *_num, const float *_den, float *y, int N, int ord, float *_mem) 38 { 39 __m128 num[3], den[3], mem[3]; 40 41 int i; 42 43 /* Copy numerator, denominator and memory to aligned xmm */ 44 for (i=0;i<2;i++) 45 { 46 mem[i] = _mm_loadu_ps(_mem+4*i); 47 num[i] = _mm_loadu_ps(_num+4*i); 48 den[i] = _mm_loadu_ps(_den+4*i); 49 } 50 mem[2] = _mm_setr_ps(_mem[8], _mem[9], 0, 0); 51 num[2] = _mm_setr_ps(_num[8], _num[9], 0, 0); 52 den[2] = _mm_setr_ps(_den[8], _den[9], 0, 0); 53 54 for (i=0;i<N;i++) 55 { 56 __m128 xx; 57 __m128 yy; 58 /* Compute next filter result */ 59 xx = _mm_load_ps1(x+i); 60 yy = _mm_add_ss(xx, mem[0]); 61 _mm_store_ss(y+i, yy); 62 yy = _mm_shuffle_ps(yy, yy, 0); 63 64 /* Update memory */ 65 mem[0] = _mm_move_ss(mem[0], mem[1]); 66 mem[0] = _mm_shuffle_ps(mem[0], mem[0], 0x39); 67 68 mem[0] = _mm_add_ps(mem[0], _mm_mul_ps(xx, num[0])); 69 mem[0] = _mm_sub_ps(mem[0], _mm_mul_ps(yy, den[0])); 70 71 mem[1] = _mm_move_ss(mem[1], mem[2]); 72 mem[1] = _mm_shuffle_ps(mem[1], mem[1], 0x39); 73 74 mem[1] = _mm_add_ps(mem[1], _mm_mul_ps(xx, num[1])); 75 mem[1] = _mm_sub_ps(mem[1], _mm_mul_ps(yy, den[1])); 76 77 mem[2] = _mm_shuffle_ps(mem[2], mem[2], 0xfd); 78 79 mem[2] = _mm_add_ps(mem[2], _mm_mul_ps(xx, num[2])); 80 mem[2] = _mm_sub_ps(mem[2], _mm_mul_ps(yy, den[2])); 81 } 82 /* Put memory back in its place */ 83 _mm_storeu_ps(_mem, mem[0]); 84 _mm_storeu_ps(_mem+4, mem[1]); 85 _mm_store_ss(_mem+8, mem[2]); 86 mem[2] = _mm_shuffle_ps(mem[2], mem[2], 0x55); 87 _mm_store_ss(_mem+9, mem[2]); 88 } 89 90 void filter_mem16_8(const float *x, const float *_num, const float *_den, float *y, int N, int ord, float *_mem) 91 { 92 __m128 num[2], den[2], mem[2]; 93 94 int i; 95 96 /* Copy numerator, denominator and memory to aligned xmm */ 97 for (i=0;i<2;i++) 98 { 99 mem[i] = _mm_loadu_ps(_mem+4*i); 100 num[i] = _mm_loadu_ps(_num+4*i); 101 den[i] = _mm_loadu_ps(_den+4*i); 102 } 103 104 for (i=0;i<N;i++) 105 { 106 __m128 xx; 107 __m128 yy; 108 /* Compute next filter result */ 109 xx = _mm_load_ps1(x+i); 110 yy = _mm_add_ss(xx, mem[0]); 111 _mm_store_ss(y+i, yy); 112 yy = _mm_shuffle_ps(yy, yy, 0); 113 114 /* Update memory */ 115 mem[0] = _mm_move_ss(mem[0], mem[1]); 116 mem[0] = _mm_shuffle_ps(mem[0], mem[0], 0x39); 117 118 mem[0] = _mm_add_ps(mem[0], _mm_mul_ps(xx, num[0])); 119 mem[0] = _mm_sub_ps(mem[0], _mm_mul_ps(yy, den[0])); 120 121 mem[1] = _mm_sub_ss(mem[1], mem[1]); 122 mem[1] = _mm_shuffle_ps(mem[1], mem[1], 0x39); 123 124 mem[1] = _mm_add_ps(mem[1], _mm_mul_ps(xx, num[1])); 125 mem[1] = _mm_sub_ps(mem[1], _mm_mul_ps(yy, den[1])); 126 } 127 /* Put memory back in its place */ 128 _mm_storeu_ps(_mem, mem[0]); 129 _mm_storeu_ps(_mem+4, mem[1]); 130 } 131 132 133 #define OVERRIDE_FILTER_MEM16 134 void filter_mem16(const float *x, const float *_num, const float *_den, float *y, int N, int ord, float *_mem, char *stack) 135 { 136 if(ord==10) 137 filter_mem16_10(x, _num, _den, y, N, ord, _mem); 138 else if (ord==8) 139 filter_mem16_8(x, _num, _den, y, N, ord, _mem); 140 } 141 142 143 144 void iir_mem16_10(const float *x, const float *_den, float *y, int N, int ord, float *_mem) 145 { 146 __m128 den[3], mem[3]; 147 148 int i; 149 150 /* Copy numerator, denominator and memory to aligned xmm */ 151 for (i=0;i<2;i++) 152 { 153 mem[i] = _mm_loadu_ps(_mem+4*i); 154 den[i] = _mm_loadu_ps(_den+4*i); 155 } 156 mem[2] = _mm_setr_ps(_mem[8], _mem[9], 0, 0); 157 den[2] = _mm_setr_ps(_den[8], _den[9], 0, 0); 158 159 for (i=0;i<N;i++) 160 { 161 __m128 xx; 162 __m128 yy; 163 /* Compute next filter result */ 164 xx = _mm_load_ps1(x+i); 165 yy = _mm_add_ss(xx, mem[0]); 166 _mm_store_ss(y+i, yy); 167 yy = _mm_shuffle_ps(yy, yy, 0); 168 169 /* Update memory */ 170 mem[0] = _mm_move_ss(mem[0], mem[1]); 171 mem[0] = _mm_shuffle_ps(mem[0], mem[0], 0x39); 172 173 mem[0] = _mm_sub_ps(mem[0], _mm_mul_ps(yy, den[0])); 174 175 mem[1] = _mm_move_ss(mem[1], mem[2]); 176 mem[1] = _mm_shuffle_ps(mem[1], mem[1], 0x39); 177 178 mem[1] = _mm_sub_ps(mem[1], _mm_mul_ps(yy, den[1])); 179 180 mem[2] = _mm_shuffle_ps(mem[2], mem[2], 0xfd); 181 182 mem[2] = _mm_sub_ps(mem[2], _mm_mul_ps(yy, den[2])); 183 } 184 /* Put memory back in its place */ 185 _mm_storeu_ps(_mem, mem[0]); 186 _mm_storeu_ps(_mem+4, mem[1]); 187 _mm_store_ss(_mem+8, mem[2]); 188 mem[2] = _mm_shuffle_ps(mem[2], mem[2], 0x55); 189 _mm_store_ss(_mem+9, mem[2]); 190 } 191 192 193 void iir_mem16_8(const float *x, const float *_den, float *y, int N, int ord, float *_mem) 194 { 195 __m128 den[2], mem[2]; 196 197 int i; 198 199 /* Copy numerator, denominator and memory to aligned xmm */ 200 for (i=0;i<2;i++) 201 { 202 mem[i] = _mm_loadu_ps(_mem+4*i); 203 den[i] = _mm_loadu_ps(_den+4*i); 204 } 205 206 for (i=0;i<N;i++) 207 { 208 __m128 xx; 209 __m128 yy; 210 /* Compute next filter result */ 211 xx = _mm_load_ps1(x+i); 212 yy = _mm_add_ss(xx, mem[0]); 213 _mm_store_ss(y+i, yy); 214 yy = _mm_shuffle_ps(yy, yy, 0); 215 216 /* Update memory */ 217 mem[0] = _mm_move_ss(mem[0], mem[1]); 218 mem[0] = _mm_shuffle_ps(mem[0], mem[0], 0x39); 219 220 mem[0] = _mm_sub_ps(mem[0], _mm_mul_ps(yy, den[0])); 221 222 mem[1] = _mm_sub_ss(mem[1], mem[1]); 223 mem[1] = _mm_shuffle_ps(mem[1], mem[1], 0x39); 224 225 mem[1] = _mm_sub_ps(mem[1], _mm_mul_ps(yy, den[1])); 226 } 227 /* Put memory back in its place */ 228 _mm_storeu_ps(_mem, mem[0]); 229 _mm_storeu_ps(_mem+4, mem[1]); 230 } 231 232 #define OVERRIDE_IIR_MEM16 233 void iir_mem16(const float *x, const float *_den, float *y, int N, int ord, float *_mem, char *stack) 234 { 235 if(ord==10) 236 iir_mem16_10(x, _den, y, N, ord, _mem); 237 else if (ord==8) 238 iir_mem16_8(x, _den, y, N, ord, _mem); 239 } 240 241 242 void fir_mem16_10(const float *x, const float *_num, float *y, int N, int ord, float *_mem) 243 { 244 __m128 num[3], mem[3]; 245 246 int i; 247 248 /* Copy numerator, denominator and memory to aligned xmm */ 249 for (i=0;i<2;i++) 250 { 251 mem[i] = _mm_loadu_ps(_mem+4*i); 252 num[i] = _mm_loadu_ps(_num+4*i); 253 } 254 mem[2] = _mm_setr_ps(_mem[8], _mem[9], 0, 0); 255 num[2] = _mm_setr_ps(_num[8], _num[9], 0, 0); 256 257 for (i=0;i<N;i++) 258 { 259 __m128 xx; 260 __m128 yy; 261 /* Compute next filter result */ 262 xx = _mm_load_ps1(x+i); 263 yy = _mm_add_ss(xx, mem[0]); 264 _mm_store_ss(y+i, yy); 265 yy = _mm_shuffle_ps(yy, yy, 0); 266 267 /* Update memory */ 268 mem[0] = _mm_move_ss(mem[0], mem[1]); 269 mem[0] = _mm_shuffle_ps(mem[0], mem[0], 0x39); 270 271 mem[0] = _mm_add_ps(mem[0], _mm_mul_ps(xx, num[0])); 272 273 mem[1] = _mm_move_ss(mem[1], mem[2]); 274 mem[1] = _mm_shuffle_ps(mem[1], mem[1], 0x39); 275 276 mem[1] = _mm_add_ps(mem[1], _mm_mul_ps(xx, num[1])); 277 278 mem[2] = _mm_shuffle_ps(mem[2], mem[2], 0xfd); 279 280 mem[2] = _mm_add_ps(mem[2], _mm_mul_ps(xx, num[2])); 281 } 282 /* Put memory back in its place */ 283 _mm_storeu_ps(_mem, mem[0]); 284 _mm_storeu_ps(_mem+4, mem[1]); 285 _mm_store_ss(_mem+8, mem[2]); 286 mem[2] = _mm_shuffle_ps(mem[2], mem[2], 0x55); 287 _mm_store_ss(_mem+9, mem[2]); 288 } 289 290 void fir_mem16_8(const float *x, const float *_num, float *y, int N, int ord, float *_mem) 291 { 292 __m128 num[2], mem[2]; 293 294 int i; 295 296 /* Copy numerator, denominator and memory to aligned xmm */ 297 for (i=0;i<2;i++) 298 { 299 mem[i] = _mm_loadu_ps(_mem+4*i); 300 num[i] = _mm_loadu_ps(_num+4*i); 301 } 302 303 for (i=0;i<N;i++) 304 { 305 __m128 xx; 306 __m128 yy; 307 /* Compute next filter result */ 308 xx = _mm_load_ps1(x+i); 309 yy = _mm_add_ss(xx, mem[0]); 310 _mm_store_ss(y+i, yy); 311 yy = _mm_shuffle_ps(yy, yy, 0); 312 313 /* Update memory */ 314 mem[0] = _mm_move_ss(mem[0], mem[1]); 315 mem[0] = _mm_shuffle_ps(mem[0], mem[0], 0x39); 316 317 mem[0] = _mm_add_ps(mem[0], _mm_mul_ps(xx, num[0])); 318 319 mem[1] = _mm_sub_ss(mem[1], mem[1]); 320 mem[1] = _mm_shuffle_ps(mem[1], mem[1], 0x39); 321 322 mem[1] = _mm_add_ps(mem[1], _mm_mul_ps(xx, num[1])); 323 } 324 /* Put memory back in its place */ 325 _mm_storeu_ps(_mem, mem[0]); 326 _mm_storeu_ps(_mem+4, mem[1]); 327 } 328 329 #define OVERRIDE_FIR_MEM16 330 void fir_mem16(const float *x, const float *_num, float *y, int N, int ord, float *_mem, char *stack) 331 { 332 if(ord==10) 333 fir_mem16_10(x, _num, y, N, ord, _mem); 334 else if (ord==8) 335 fir_mem16_8(x, _num, y, N, ord, _mem); 336 } 337
