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| 1 : | Isibaar | 262 | ;/************************************************************************** |
| 2 : | ; * | ||
| 3 : | ; * XVID MPEG-4 VIDEO CODEC | ||
| 4 : | ; * sse2 sum of absolute difference | ||
| 5 : | ; * | ||
| 6 : | ; * This program is free software; you can redistribute it and/or modify | ||
| 7 : | ; * it under the terms of the GNU General Public License as published by | ||
| 8 : | ; * the Free Software Foundation; either version 2 of the License, or | ||
| 9 : | ; * (at your option) any later version. | ||
| 10 : | ; * | ||
| 11 : | ; * This program is distributed in the hope that it will be useful, | ||
| 12 : | ; * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 : | ; * GNU General Public License for more details. | ||
| 15 : | ; * | ||
| 16 : | ; * You should have received a copy of the GNU General Public License | ||
| 17 : | ; * along with this program; if not, write to the Free Software | ||
| 18 : | ; * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 19 : | ; * | ||
| 20 : | ; *************************************************************************/ | ||
| 21 : | |||
| 22 : | ;/************************************************************************** | ||
| 23 : | ; * | ||
| 24 : | ; * History: | ||
| 25 : | ; * | ||
| 26 : | ; * 24.05.2002 inital version; (c)2002 Dmitry Rozhdestvensky | ||
| 27 : | ; * | ||
| 28 : | ; *************************************************************************/ | ||
| 29 : | |||
| 30 : | bits 32 | ||
| 31 : | |||
| 32 : | %macro cglobal 1 | ||
| 33 : | %ifdef PREFIX | ||
| 34 : | global _%1 | ||
| 35 : | %define %1 _%1 | ||
| 36 : | %else | ||
| 37 : | global %1 | ||
| 38 : | %endif | ||
| 39 : | %endmacro | ||
| 40 : | |||
| 41 : | %define sad_debug 0 ;1=unaligned 2=ref unaligned 3=aligned 0=autodetect | ||
| 42 : | %define dev_debug 2 ;1=unaligned 2=aligned 0=autodetect | ||
| 43 : | %define test_stride_alignment 0 ;test stride for alignment while autodetect | ||
| 44 : | %define early_return 0 ;use early return in sad | ||
| 45 : | |||
| 46 : | section .data | ||
| 47 : | |||
| 48 : | align 64 | ||
| 49 : | buffer times 4*8 dd 0 ;8 128-bit words | ||
| 50 : | zero times 4 dd 0 | ||
| 51 : | |||
| 52 : | section .text | ||
| 53 : | |||
| 54 : | cglobal sad16_sse2 | ||
| 55 : | cglobal dev16_sse2 | ||
| 56 : | |||
| 57 : | ;=========================================================================== | ||
| 58 : | ; General macros for SSE2 code | ||
| 59 : | ;=========================================================================== | ||
| 60 : | |||
| 61 : | %macro load_stride 1 | ||
| 62 : | mov ecx,%1 | ||
| 63 : | add ecx,ecx | ||
| 64 : | mov edx,ecx | ||
| 65 : | add ecx,%1 ;stride*3 | ||
| 66 : | add edx,edx ;stride*4 | ||
| 67 : | %endmacro | ||
| 68 : | |||
| 69 : | %macro sad8lines 1 | ||
| 70 : | |||
| 71 : | psadbw xmm0,[%1] | ||
| 72 : | psadbw xmm1,[%1+ebx] | ||
| 73 : | psadbw xmm2,[%1+ebx*2] | ||
| 74 : | psadbw xmm3,[%1+ecx] | ||
| 75 : | |||
| 76 : | add %1,edx | ||
| 77 : | |||
| 78 : | psadbw xmm4,[%1] | ||
| 79 : | psadbw xmm5,[%1+ebx] | ||
| 80 : | psadbw xmm6,[%1+ebx*2] | ||
| 81 : | psadbw xmm7,[%1+ecx] | ||
| 82 : | |||
| 83 : | add %1,edx | ||
| 84 : | %endmacro | ||
| 85 : | |||
| 86 : | %macro after_sad 1 ; Summarizes 0th and 4th words of all xmm registers | ||
| 87 : | |||
| 88 : | paddusw xmm0,xmm1 | ||
| 89 : | paddusw xmm2,xmm3 | ||
| 90 : | paddusw xmm4,xmm5 | ||
| 91 : | paddusw xmm6,xmm7 | ||
| 92 : | |||
| 93 : | paddusw xmm0,xmm2 | ||
| 94 : | paddusw xmm4,xmm6 | ||
| 95 : | |||
| 96 : | paddusw xmm4,xmm0 | ||
| 97 : | pshufd xmm5,xmm4,11111110b | ||
| 98 : | paddusw xmm5,xmm4 | ||
| 99 : | |||
| 100 : | pextrw %1,xmm5,0 ;less latency then movd | ||
| 101 : | %endmacro | ||
| 102 : | |||
| 103 : | %macro restore 1 ;restores used registers | ||
| 104 : | |||
| 105 : | %if %1=1 | ||
| 106 : | pop ebp | ||
| 107 : | %endif | ||
| 108 : | pop edi | ||
| 109 : | pop esi | ||
| 110 : | pop ebx | ||
| 111 : | %endmacro | ||
| 112 : | |||
| 113 : | ;=========================================================================== | ||
| 114 : | ; | ||
| 115 : | ; uint32_t sad16_sse2 (const uint8_t * const cur, | ||
| 116 : | ; const uint8_t * const ref, | ||
| 117 : | ; const uint32_t stride, | ||
| 118 : | ; const uint32_t best_sad); | ||
| 119 : | ; | ||
| 120 : | ; | ||
| 121 : | ;=========================================================================== | ||
| 122 : | |||
| 123 : | align 16 | ||
| 124 : | sad16_sse2 | ||
| 125 : | push ebx | ||
| 126 : | push esi | ||
| 127 : | push edi | ||
| 128 : | |||
| 129 : | mov ebx,[esp + 3*4 + 12] ;stride | ||
| 130 : | |||
| 131 : | %if sad_debug<>0 | ||
| 132 : | mov edi,[esp + 3*4 + 4] | ||
| 133 : | cglobal sad16_sse2 | ||
| 134 : | mov esi,[esp + 3*4 + 8] | ||
| 135 : | %endif | ||
| 136 : | |||
| 137 : | %if sad_debug=1 | ||
| 138 : | jmp sad16_sse2_ul | ||
| 139 : | %endif | ||
| 140 : | %if sad_debug=2 | ||
| 141 : | jmp sad16_sse2_semial | ||
| 142 : | %endif | ||
| 143 : | %if sad_debug=3 | ||
| 144 : | jmp sad16_sse2_al | ||
| 145 : | %endif | ||
| 146 : | |||
| 147 : | %if test_stride_alignment<>0 | ||
| 148 : | test ebx,15 | ||
| 149 : | jnz sad16_sse2_ul | ||
| 150 : | %endif | ||
| 151 : | mov edi,[esp + 3*4 + 4] ;cur (most likely aligned) | ||
| 152 : | |||
| 153 : | test edi,15 | ||
| 154 : | cmovz esi,[esp + 3*4 + 8] ;load esi if edi is aligned | ||
| 155 : | cmovnz esi,edi ;move to esi and load edi | ||
| 156 : | cmovnz edi,[esp + 3*4 + 8] ;if not | ||
| 157 : | jnz esi_unaligned | ||
| 158 : | |||
| 159 : | test esi,15 | ||
| 160 : | jnz near sad16_sse2_semial | ||
| 161 : | jmp sad16_sse2_al | ||
| 162 : | |||
| 163 : | esi_unaligned: test edi,15 | ||
| 164 : | jnz near sad16_sse2_ul | ||
| 165 : | jmp sad16_sse2_semial | ||
| 166 : | |||
| 167 : | ;=========================================================================== | ||
| 168 : | ; Branch requires 16-byte alignment of esi and edi and stride | ||
| 169 : | ;=========================================================================== | ||
| 170 : | |||
| 171 : | %macro sad16x8_al 1 | ||
| 172 : | |||
| 173 : | movdqa xmm0,[esi] | ||
| 174 : | movdqa xmm1,[esi+ebx] | ||
| 175 : | movdqa xmm2,[esi+ebx*2] | ||
| 176 : | movdqa xmm3,[esi+ecx] | ||
| 177 : | |||
| 178 : | add esi,edx | ||
| 179 : | |||
| 180 : | movdqa xmm4,[esi] | ||
| 181 : | movdqa xmm5,[esi+ebx] | ||
| 182 : | movdqa xmm6,[esi+ebx*2] | ||
| 183 : | movdqa xmm7,[esi+ecx] | ||
| 184 : | |||
| 185 : | add esi,edx | ||
| 186 : | |||
| 187 : | sad8lines edi | ||
| 188 : | |||
| 189 : | after_sad %1 | ||
| 190 : | |||
| 191 : | %endmacro | ||
| 192 : | |||
| 193 : | align 16 | ||
| 194 : | sad16_sse2_al | ||
| 195 : | |||
| 196 : | load_stride ebx | ||
| 197 : | |||
| 198 : | sad16x8_al eax | ||
| 199 : | |||
| 200 : | %if early_return=1 | ||
| 201 : | cmp eax,[esp + 3*4 + 16] ;best_sad | ||
| 202 : | jg continue_al | ||
| 203 : | %endif | ||
| 204 : | |||
| 205 : | sad16x8_al ebx | ||
| 206 : | |||
| 207 : | add eax,ebx | ||
| 208 : | |||
| 209 : | continue_al: restore 0 | ||
| 210 : | |||
| 211 : | ret | ||
| 212 : | |||
| 213 : | ;=========================================================================== | ||
| 214 : | ; Branch requires 16-byte alignment of the edi and stride only | ||
| 215 : | ;=========================================================================== | ||
| 216 : | |||
| 217 : | %macro sad16x8_semial 1 | ||
| 218 : | |||
| 219 : | movdqu xmm0,[esi] | ||
| 220 : | movdqu xmm1,[esi+ebx] | ||
| 221 : | movdqu xmm2,[esi+ebx*2] | ||
| 222 : | movdqu xmm3,[esi+ecx] | ||
| 223 : | |||
| 224 : | add esi,edx | ||
| 225 : | |||
| 226 : | movdqu xmm4,[esi] | ||
| 227 : | movdqu xmm5,[esi+ebx] | ||
| 228 : | movdqu xmm6,[esi+ebx*2] | ||
| 229 : | movdqu xmm7,[esi+ecx] | ||
| 230 : | |||
| 231 : | add esi,edx | ||
| 232 : | |||
| 233 : | sad8lines edi | ||
| 234 : | |||
| 235 : | after_sad %1 | ||
| 236 : | |||
| 237 : | %endmacro | ||
| 238 : | |||
| 239 : | align 16 | ||
| 240 : | sad16_sse2_semial | ||
| 241 : | |||
| 242 : | load_stride ebx | ||
| 243 : | |||
| 244 : | sad16x8_semial eax | ||
| 245 : | |||
| 246 : | %if early_return=1 | ||
| 247 : | cmp eax,[esp + 3*4 + 16] ;best_sad | ||
| 248 : | jg cont_semial | ||
| 249 : | %endif | ||
| 250 : | |||
| 251 : | sad16x8_semial ebx | ||
| 252 : | |||
| 253 : | add eax,ebx | ||
| 254 : | |||
| 255 : | cont_semial: restore 0 | ||
| 256 : | |||
| 257 : | ret | ||
| 258 : | |||
| 259 : | |||
| 260 : | ;=========================================================================== | ||
| 261 : | ; Branch does not require alignment, even stride | ||
| 262 : | ;=========================================================================== | ||
| 263 : | |||
| 264 : | %macro sad16x4_ul 1 | ||
| 265 : | |||
| 266 : | movdqu xmm0,[esi] | ||
| 267 : | movdqu xmm1,[esi+ebx] | ||
| 268 : | movdqu xmm2,[esi+ebx*2] | ||
| 269 : | movdqu xmm3,[esi+ecx] | ||
| 270 : | |||
| 271 : | add esi,edx | ||
| 272 : | |||
| 273 : | movdqu xmm4,[edi] | ||
| 274 : | movdqu xmm5,[edi+ebx] | ||
| 275 : | movdqu xmm6,[edi+ebx*2] | ||
| 276 : | movdqu xmm7,[edi+ecx] | ||
| 277 : | |||
| 278 : | add edi,edx | ||
| 279 : | |||
| 280 : | psadbw xmm4,xmm0 | ||
| 281 : | psadbw xmm5,xmm1 | ||
| 282 : | psadbw xmm6,xmm2 | ||
| 283 : | psadbw xmm7,xmm3 | ||
| 284 : | |||
| 285 : | paddusw xmm4,xmm5 | ||
| 286 : | paddusw xmm6,xmm7 | ||
| 287 : | |||
| 288 : | paddusw xmm4,xmm6 | ||
| 289 : | pshufd xmm7,xmm4,11111110b | ||
| 290 : | paddusw xmm7,xmm4 | ||
| 291 : | |||
| 292 : | pextrw %1,xmm7,0 | ||
| 293 : | %endmacro | ||
| 294 : | |||
| 295 : | |||
| 296 : | align 16 | ||
| 297 : | sad16_sse2_ul | ||
| 298 : | |||
| 299 : | load_stride ebx | ||
| 300 : | |||
| 301 : | push ebp | ||
| 302 : | |||
| 303 : | sad16x4_ul eax | ||
| 304 : | |||
| 305 : | %if early_return=1 | ||
| 306 : | cmp eax,[esp + 4*4 + 16] ;best_sad | ||
| 307 : | jg continue_ul | ||
| 308 : | %endif | ||
| 309 : | |||
| 310 : | sad16x4_ul ebp | ||
| 311 : | add eax,ebp | ||
| 312 : | |||
| 313 : | %if early_return=1 | ||
| 314 : | cmp eax,[esp + 4*4 + 16] ;best_sad | ||
| 315 : | jg continue_ul | ||
| 316 : | %endif | ||
| 317 : | |||
| 318 : | sad16x4_ul ebp | ||
| 319 : | add eax,ebp | ||
| 320 : | |||
| 321 : | %if early_return=1 | ||
| 322 : | cmp eax,[esp + 4*4 + 16] ;best_sad | ||
| 323 : | jg continue_ul | ||
| 324 : | %endif | ||
| 325 : | |||
| 326 : | sad16x4_ul ebp | ||
| 327 : | add eax,ebp | ||
| 328 : | |||
| 329 : | continue_ul: restore 1 | ||
| 330 : | |||
| 331 : | ret | ||
| 332 : | |||
| 333 : | ;=========================================================================== | ||
| 334 : | ; | ||
| 335 : | ; uint32_t dev16_sse2(const uint8_t * const cur, | ||
| 336 : | ; const uint32_t stride); | ||
| 337 : | ; | ||
| 338 : | ; experimental! | ||
| 339 : | ; | ||
| 340 : | ;=========================================================================== | ||
| 341 : | |||
| 342 : | align 16 | ||
| 343 : | dev16_sse2 | ||
| 344 : | |||
| 345 : | push ebx | ||
| 346 : | push esi | ||
| 347 : | push edi | ||
| 348 : | push ebp | ||
| 349 : | |||
| 350 : | mov esi, [esp + 4*4 + 4] ; cur | ||
| 351 : | mov ebx, [esp + 4*4 + 8] ; stride | ||
| 352 : | cglobal dev16_sse2 | ||
| 353 : | mov edi, buffer | ||
| 354 : | |||
| 355 : | %if dev_debug=1 | ||
| 356 : | jmp dev16_sse2_ul | ||
| 357 : | %endif | ||
| 358 : | |||
| 359 : | %if dev_debug=2 | ||
| 360 : | jmp dev16_sse2_al | ||
| 361 : | %endif | ||
| 362 : | |||
| 363 : | test esi,15 | ||
| 364 : | jnz near dev16_sse2_ul | ||
| 365 : | |||
| 366 : | %if test_stride_alignment=1 | ||
| 367 : | test ebx,15 | ||
| 368 : | jnz dev16_sse2_ul | ||
| 369 : | %endif | ||
| 370 : | |||
| 371 : | mov edi,esi | ||
| 372 : | jmp dev16_sse2_al | ||
| 373 : | |||
| 374 : | ;=========================================================================== | ||
| 375 : | ; Branch requires alignment of both the cur and stride | ||
| 376 : | ;=========================================================================== | ||
| 377 : | |||
| 378 : | %macro make_mean 0 | ||
| 379 : | add eax,ebp ;mean 16-bit | ||
| 380 : | mov al,ah ;eax= {0 0 mean/256 mean/256} | ||
| 381 : | mov ebp,eax | ||
| 382 : | shl ebp,16 | ||
| 383 : | or eax,ebp | ||
| 384 : | %endmacro | ||
| 385 : | |||
| 386 : | %macro sad_mean16x8_al 3 ;destination,0=zero,1=mean from eax,source | ||
| 387 : | |||
| 388 : | %if %2=0 | ||
| 389 : | pxor xmm0,xmm0 | ||
| 390 : | %else | ||
| 391 : | movd xmm0,eax | ||
| 392 : | pshufd xmm0,xmm0,0 | ||
| 393 : | %endif | ||
| 394 : | movdqa xmm1,xmm0 | ||
| 395 : | movdqa xmm2,xmm0 | ||
| 396 : | movdqa xmm3,xmm0 | ||
| 397 : | movdqa xmm4,xmm0 | ||
| 398 : | movdqa xmm5,xmm0 | ||
| 399 : | movdqa xmm6,xmm0 | ||
| 400 : | movdqa xmm7,xmm0 | ||
| 401 : | |||
| 402 : | sad8lines %3 | ||
| 403 : | |||
| 404 : | after_sad %1 | ||
| 405 : | |||
| 406 : | %endmacro | ||
| 407 : | |||
| 408 : | align 16 | ||
| 409 : | dev16_sse2_al | ||
| 410 : | |||
| 411 : | load_stride ebx | ||
| 412 : | |||
| 413 : | sad_mean16x8_al eax,0,esi | ||
| 414 : | sad_mean16x8_al ebp,0,esi | ||
| 415 : | |||
| 416 : | make_mean | ||
| 417 : | |||
| 418 : | sad_mean16x8_al ebp,1,edi | ||
| 419 : | sad_mean16x8_al eax,1,edi | ||
| 420 : | |||
| 421 : | add eax,ebp | ||
| 422 : | |||
| 423 : | restore 1 | ||
| 424 : | |||
| 425 : | ret | ||
| 426 : | |||
| 427 : | ;=========================================================================== | ||
| 428 : | ; Branch does not require alignment | ||
| 429 : | ;=========================================================================== | ||
| 430 : | |||
| 431 : | %macro sad_mean16x8_ul 2 | ||
| 432 : | |||
| 433 : | pxor xmm7,xmm7 | ||
| 434 : | |||
| 435 : | movdqu xmm0,[%1] | ||
| 436 : | movdqu xmm1,[%1+ebx] | ||
| 437 : | movdqu xmm2,[%1+ebx*2] | ||
| 438 : | movdqu xmm3,[%1+ecx] | ||
| 439 : | |||
| 440 : | add %1,edx | ||
| 441 : | |||
| 442 : | movdqa [buffer+16*0],xmm0 | ||
| 443 : | movdqa [buffer+16*1],xmm1 | ||
| 444 : | movdqa [buffer+16*2],xmm2 | ||
| 445 : | movdqa [buffer+16*3],xmm3 | ||
| 446 : | |||
| 447 : | movdqu xmm4,[%1] | ||
| 448 : | movdqu xmm5,[%1+ebx] | ||
| 449 : | movdqu xmm6,[%1+ebx*2] | ||
| 450 : | movdqa [buffer+16*4],xmm4 | ||
| 451 : | movdqa [buffer+16*5],xmm5 | ||
| 452 : | movdqa [buffer+16*6],xmm6 | ||
| 453 : | |||
| 454 : | psadbw xmm0,xmm7 | ||
| 455 : | psadbw xmm1,xmm7 | ||
| 456 : | psadbw xmm2,xmm7 | ||
| 457 : | psadbw xmm3,xmm7 | ||
| 458 : | psadbw xmm4,xmm7 | ||
| 459 : | psadbw xmm5,xmm7 | ||
| 460 : | psadbw xmm6,xmm7 | ||
| 461 : | |||
| 462 : | movdqu xmm7,[%1+ecx] | ||
| 463 : | movdqa [buffer+16*7],xmm7 | ||
| 464 : | psadbw xmm7,[zero] | ||
| 465 : | |||
| 466 : | add %1,edx | ||
| 467 : | |||
| 468 : | after_sad %2 | ||
| 469 : | %endmacro | ||
| 470 : | |||
| 471 : | align 16 | ||
| 472 : | dev16_sse2_ul | ||
| 473 : | |||
| 474 : | load_stride ebx | ||
| 475 : | |||
| 476 : | sad_mean16x8_ul esi,eax | ||
| 477 : | sad_mean16x8_ul esi,ebp | ||
| 478 : | |||
| 479 : | make_mean | ||
| 480 : | |||
| 481 : | sad_mean16x8_al ebp,1,edi | ||
| 482 : | sad_mean16x8_al eax,1,edi | ||
| 483 : | |||
| 484 : | add eax,ebp | ||
| 485 : | |||
| 486 : | restore 1 | ||
| 487 : | |||
| 488 : | ret |
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