1/* 2 * MMX and SSE2 optimized snow DSP utils 3 * Copyright (c) 2005-2006 Robert Edele <yartrebo@earthlink.net> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#include "libavutil/cpu.h" 23#include "libavutil/x86/asm.h" 24#include "libavcodec/avcodec.h" 25#include "libavcodec/snow.h" 26#include "libavcodec/snow_dwt.h" 27#include "dsputil_x86.h" 28 29#if HAVE_INLINE_ASM 30 31static void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, IDWTELEM *temp, int width){ 32 const int w2= (width+1)>>1; 33 const int w_l= (width>>1); 34 const int w_r= w2 - 1; 35 int i; 36 37 { // Lift 0 38 IDWTELEM * const ref = b + w2 - 1; 39 IDWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice 40 // (the first time erroneously), we allow the SSE2 code to run an extra pass. 41 // The savings in code and time are well worth having to store this value and 42 // calculate b[0] correctly afterwards. 43 44 i = 0; 45 __asm__ volatile( 46 "pcmpeqd %%xmm7, %%xmm7 \n\t" 47 "pcmpeqd %%xmm3, %%xmm3 \n\t" 48 "psllw $1, %%xmm3 \n\t" 49 "paddw %%xmm7, %%xmm3 \n\t" 50 "psllw $13, %%xmm3 \n\t" 51 ::); 52 for(; i<w_l-15; i+=16){ 53 __asm__ volatile( 54 "movdqu (%1), %%xmm1 \n\t" 55 "movdqu 16(%1), %%xmm5 \n\t" 56 "movdqu 2(%1), %%xmm2 \n\t" 57 "movdqu 18(%1), %%xmm6 \n\t" 58 "paddw %%xmm1, %%xmm2 \n\t" 59 "paddw %%xmm5, %%xmm6 \n\t" 60 "paddw %%xmm7, %%xmm2 \n\t" 61 "paddw %%xmm7, %%xmm6 \n\t" 62 "pmulhw %%xmm3, %%xmm2 \n\t" 63 "pmulhw %%xmm3, %%xmm6 \n\t" 64 "paddw (%0), %%xmm2 \n\t" 65 "paddw 16(%0), %%xmm6 \n\t" 66 "movdqa %%xmm2, (%0) \n\t" 67 "movdqa %%xmm6, 16(%0) \n\t" 68 :: "r"(&b[i]), "r"(&ref[i]) 69 : "memory" 70 ); 71 } 72 snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS); 73 b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); 74 } 75 76 { // Lift 1 77 IDWTELEM * const dst = b+w2; 78 79 i = 0; 80 for(; (((x86_reg)&dst[i]) & 0x1F) && i<w_r; i++){ 81 dst[i] = dst[i] - (b[i] + b[i + 1]); 82 } 83 for(; i<w_r-15; i+=16){ 84 __asm__ volatile( 85 "movdqu (%1), %%xmm1 \n\t" 86 "movdqu 16(%1), %%xmm5 \n\t" 87 "movdqu 2(%1), %%xmm2 \n\t" 88 "movdqu 18(%1), %%xmm6 \n\t" 89 "paddw %%xmm1, %%xmm2 \n\t" 90 "paddw %%xmm5, %%xmm6 \n\t" 91 "movdqa (%0), %%xmm0 \n\t" 92 "movdqa 16(%0), %%xmm4 \n\t" 93 "psubw %%xmm2, %%xmm0 \n\t" 94 "psubw %%xmm6, %%xmm4 \n\t" 95 "movdqa %%xmm0, (%0) \n\t" 96 "movdqa %%xmm4, 16(%0) \n\t" 97 :: "r"(&dst[i]), "r"(&b[i]) 98 : "memory" 99 ); 100 } 101 snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS); 102 } 103 104 { // Lift 2 105 IDWTELEM * const ref = b+w2 - 1; 106 IDWTELEM b_0 = b[0]; 107 108 i = 0; 109 __asm__ volatile( 110 "psllw $15, %%xmm7 \n\t" 111 "pcmpeqw %%xmm6, %%xmm6 \n\t" 112 "psrlw $13, %%xmm6 \n\t" 113 "paddw %%xmm7, %%xmm6 \n\t" 114 ::); 115 for(; i<w_l-15; i+=16){ 116 __asm__ volatile( 117 "movdqu (%1), %%xmm0 \n\t" 118 "movdqu 16(%1), %%xmm4 \n\t" 119 "movdqu 2(%1), %%xmm1 \n\t" 120 "movdqu 18(%1), %%xmm5 \n\t" //FIXME try aligned reads and shifts 121 "paddw %%xmm6, %%xmm0 \n\t" 122 "paddw %%xmm6, %%xmm4 \n\t" 123 "paddw %%xmm7, %%xmm1 \n\t" 124 "paddw %%xmm7, %%xmm5 \n\t" 125 "pavgw %%xmm1, %%xmm0 \n\t" 126 "pavgw %%xmm5, %%xmm4 \n\t" 127 "psubw %%xmm7, %%xmm0 \n\t" 128 "psubw %%xmm7, %%xmm4 \n\t" 129 "psraw $1, %%xmm0 \n\t" 130 "psraw $1, %%xmm4 \n\t" 131 "movdqa (%0), %%xmm1 \n\t" 132 "movdqa 16(%0), %%xmm5 \n\t" 133 "paddw %%xmm1, %%xmm0 \n\t" 134 "paddw %%xmm5, %%xmm4 \n\t" 135 "psraw $2, %%xmm0 \n\t" 136 "psraw $2, %%xmm4 \n\t" 137 "paddw %%xmm1, %%xmm0 \n\t" 138 "paddw %%xmm5, %%xmm4 \n\t" 139 "movdqa %%xmm0, (%0) \n\t" 140 "movdqa %%xmm4, 16(%0) \n\t" 141 :: "r"(&b[i]), "r"(&ref[i]) 142 : "memory" 143 ); 144 } 145 snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l); 146 b[0] = b_0 + ((2 * ref[1] + W_BO-1 + 4 * b_0) >> W_BS); 147 } 148 149 { // Lift 3 150 IDWTELEM * const src = b+w2; 151 152 i = 0; 153 for(; (((x86_reg)&temp[i]) & 0x1F) && i<w_r; i++){ 154 temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS); 155 } 156 for(; i<w_r-7; i+=8){ 157 __asm__ volatile( 158 "movdqu 2(%1), %%xmm2 \n\t" 159 "movdqu 18(%1), %%xmm6 \n\t" 160 "paddw (%1), %%xmm2 \n\t" 161 "paddw 16(%1), %%xmm6 \n\t" 162 "movdqu (%0), %%xmm0 \n\t" 163 "movdqu 16(%0), %%xmm4 \n\t" 164 "paddw %%xmm2, %%xmm0 \n\t" 165 "paddw %%xmm6, %%xmm4 \n\t" 166 "psraw $1, %%xmm2 \n\t" 167 "psraw $1, %%xmm6 \n\t" 168 "paddw %%xmm0, %%xmm2 \n\t" 169 "paddw %%xmm4, %%xmm6 \n\t" 170 "movdqa %%xmm2, (%2) \n\t" 171 "movdqa %%xmm6, 16(%2) \n\t" 172 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i]) 173 : "memory" 174 ); 175 } 176 snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS); 177 } 178 179 { 180 snow_interleave_line_header(&i, width, b, temp); 181 182 for (; (i & 0x3E) != 0x3E; i-=2){ 183 b[i+1] = temp[i>>1]; 184 b[i] = b[i>>1]; 185 } 186 for (i-=62; i>=0; i-=64){ 187 __asm__ volatile( 188 "movdqa (%1), %%xmm0 \n\t" 189 "movdqa 16(%1), %%xmm2 \n\t" 190 "movdqa 32(%1), %%xmm4 \n\t" 191 "movdqa 48(%1), %%xmm6 \n\t" 192 "movdqa (%1), %%xmm1 \n\t" 193 "movdqa 16(%1), %%xmm3 \n\t" 194 "movdqa 32(%1), %%xmm5 \n\t" 195 "movdqa 48(%1), %%xmm7 \n\t" 196 "punpcklwd (%2), %%xmm0 \n\t" 197 "punpcklwd 16(%2), %%xmm2 \n\t" 198 "punpcklwd 32(%2), %%xmm4 \n\t" 199 "punpcklwd 48(%2), %%xmm6 \n\t" 200 "movdqa %%xmm0, (%0) \n\t" 201 "movdqa %%xmm2, 32(%0) \n\t" 202 "movdqa %%xmm4, 64(%0) \n\t" 203 "movdqa %%xmm6, 96(%0) \n\t" 204 "punpckhwd (%2), %%xmm1 \n\t" 205 "punpckhwd 16(%2), %%xmm3 \n\t" 206 "punpckhwd 32(%2), %%xmm5 \n\t" 207 "punpckhwd 48(%2), %%xmm7 \n\t" 208 "movdqa %%xmm1, 16(%0) \n\t" 209 "movdqa %%xmm3, 48(%0) \n\t" 210 "movdqa %%xmm5, 80(%0) \n\t" 211 "movdqa %%xmm7, 112(%0) \n\t" 212 :: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1]) 213 : "memory" 214 ); 215 } 216 } 217} 218 219static void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, IDWTELEM *temp, int width){ 220 const int w2= (width+1)>>1; 221 const int w_l= (width>>1); 222 const int w_r= w2 - 1; 223 int i; 224 225 { // Lift 0 226 IDWTELEM * const ref = b + w2 - 1; 227 228 i = 1; 229 b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); 230 __asm__ volatile( 231 "pcmpeqw %%mm7, %%mm7 \n\t" 232 "pcmpeqw %%mm3, %%mm3 \n\t" 233 "psllw $1, %%mm3 \n\t" 234 "paddw %%mm7, %%mm3 \n\t" 235 "psllw $13, %%mm3 \n\t" 236 ::); 237 for(; i<w_l-7; i+=8){ 238 __asm__ volatile( 239 "movq (%1), %%mm2 \n\t" 240 "movq 8(%1), %%mm6 \n\t" 241 "paddw 2(%1), %%mm2 \n\t" 242 "paddw 10(%1), %%mm6 \n\t" 243 "paddw %%mm7, %%mm2 \n\t" 244 "paddw %%mm7, %%mm6 \n\t" 245 "pmulhw %%mm3, %%mm2 \n\t" 246 "pmulhw %%mm3, %%mm6 \n\t" 247 "paddw (%0), %%mm2 \n\t" 248 "paddw 8(%0), %%mm6 \n\t" 249 "movq %%mm2, (%0) \n\t" 250 "movq %%mm6, 8(%0) \n\t" 251 :: "r"(&b[i]), "r"(&ref[i]) 252 : "memory" 253 ); 254 } 255 snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS); 256 } 257 258 { // Lift 1 259 IDWTELEM * const dst = b+w2; 260 261 i = 0; 262 for(; i<w_r-7; i+=8){ 263 __asm__ volatile( 264 "movq (%1), %%mm2 \n\t" 265 "movq 8(%1), %%mm6 \n\t" 266 "paddw 2(%1), %%mm2 \n\t" 267 "paddw 10(%1), %%mm6 \n\t" 268 "movq (%0), %%mm0 \n\t" 269 "movq 8(%0), %%mm4 \n\t" 270 "psubw %%mm2, %%mm0 \n\t" 271 "psubw %%mm6, %%mm4 \n\t" 272 "movq %%mm0, (%0) \n\t" 273 "movq %%mm4, 8(%0) \n\t" 274 :: "r"(&dst[i]), "r"(&b[i]) 275 : "memory" 276 ); 277 } 278 snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS); 279 } 280 281 { // Lift 2 282 IDWTELEM * const ref = b+w2 - 1; 283 284 i = 1; 285 b[0] = b[0] + (((2 * ref[1] + W_BO) + 4 * b[0]) >> W_BS); 286 __asm__ volatile( 287 "psllw $15, %%mm7 \n\t" 288 "pcmpeqw %%mm6, %%mm6 \n\t" 289 "psrlw $13, %%mm6 \n\t" 290 "paddw %%mm7, %%mm6 \n\t" 291 ::); 292 for(; i<w_l-7; i+=8){ 293 __asm__ volatile( 294 "movq (%1), %%mm0 \n\t" 295 "movq 8(%1), %%mm4 \n\t" 296 "movq 2(%1), %%mm1 \n\t" 297 "movq 10(%1), %%mm5 \n\t" 298 "paddw %%mm6, %%mm0 \n\t" 299 "paddw %%mm6, %%mm4 \n\t" 300 "paddw %%mm7, %%mm1 \n\t" 301 "paddw %%mm7, %%mm5 \n\t" 302 "pavgw %%mm1, %%mm0 \n\t" 303 "pavgw %%mm5, %%mm4 \n\t" 304 "psubw %%mm7, %%mm0 \n\t" 305 "psubw %%mm7, %%mm4 \n\t" 306 "psraw $1, %%mm0 \n\t" 307 "psraw $1, %%mm4 \n\t" 308 "movq (%0), %%mm1 \n\t" 309 "movq 8(%0), %%mm5 \n\t" 310 "paddw %%mm1, %%mm0 \n\t" 311 "paddw %%mm5, %%mm4 \n\t" 312 "psraw $2, %%mm0 \n\t" 313 "psraw $2, %%mm4 \n\t" 314 "paddw %%mm1, %%mm0 \n\t" 315 "paddw %%mm5, %%mm4 \n\t" 316 "movq %%mm0, (%0) \n\t" 317 "movq %%mm4, 8(%0) \n\t" 318 :: "r"(&b[i]), "r"(&ref[i]) 319 : "memory" 320 ); 321 } 322 snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l); 323 } 324 325 { // Lift 3 326 IDWTELEM * const src = b+w2; 327 i = 0; 328 329 for(; i<w_r-7; i+=8){ 330 __asm__ volatile( 331 "movq 2(%1), %%mm2 \n\t" 332 "movq 10(%1), %%mm6 \n\t" 333 "paddw (%1), %%mm2 \n\t" 334 "paddw 8(%1), %%mm6 \n\t" 335 "movq (%0), %%mm0 \n\t" 336 "movq 8(%0), %%mm4 \n\t" 337 "paddw %%mm2, %%mm0 \n\t" 338 "paddw %%mm6, %%mm4 \n\t" 339 "psraw $1, %%mm2 \n\t" 340 "psraw $1, %%mm6 \n\t" 341 "paddw %%mm0, %%mm2 \n\t" 342 "paddw %%mm4, %%mm6 \n\t" 343 "movq %%mm2, (%2) \n\t" 344 "movq %%mm6, 8(%2) \n\t" 345 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i]) 346 : "memory" 347 ); 348 } 349 snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS); 350 } 351 352 { 353 snow_interleave_line_header(&i, width, b, temp); 354 355 for (; (i & 0x1E) != 0x1E; i-=2){ 356 b[i+1] = temp[i>>1]; 357 b[i] = b[i>>1]; 358 } 359 for (i-=30; i>=0; i-=32){ 360 __asm__ volatile( 361 "movq (%1), %%mm0 \n\t" 362 "movq 8(%1), %%mm2 \n\t" 363 "movq 16(%1), %%mm4 \n\t" 364 "movq 24(%1), %%mm6 \n\t" 365 "movq (%1), %%mm1 \n\t" 366 "movq 8(%1), %%mm3 \n\t" 367 "movq 16(%1), %%mm5 \n\t" 368 "movq 24(%1), %%mm7 \n\t" 369 "punpcklwd (%2), %%mm0 \n\t" 370 "punpcklwd 8(%2), %%mm2 \n\t" 371 "punpcklwd 16(%2), %%mm4 \n\t" 372 "punpcklwd 24(%2), %%mm6 \n\t" 373 "movq %%mm0, (%0) \n\t" 374 "movq %%mm2, 16(%0) \n\t" 375 "movq %%mm4, 32(%0) \n\t" 376 "movq %%mm6, 48(%0) \n\t" 377 "punpckhwd (%2), %%mm1 \n\t" 378 "punpckhwd 8(%2), %%mm3 \n\t" 379 "punpckhwd 16(%2), %%mm5 \n\t" 380 "punpckhwd 24(%2), %%mm7 \n\t" 381 "movq %%mm1, 8(%0) \n\t" 382 "movq %%mm3, 24(%0) \n\t" 383 "movq %%mm5, 40(%0) \n\t" 384 "movq %%mm7, 56(%0) \n\t" 385 :: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1]) 386 : "memory" 387 ); 388 } 389 } 390} 391 392#if HAVE_7REGS 393#define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\ 394 ""op" ("r",%%"REG_d"), %%"t0" \n\t"\ 395 ""op" 16("r",%%"REG_d"), %%"t1" \n\t"\ 396 ""op" 32("r",%%"REG_d"), %%"t2" \n\t"\ 397 ""op" 48("r",%%"REG_d"), %%"t3" \n\t" 398 399#define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\ 400 snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3) 401 402#define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\ 403 snow_vertical_compose_sse2_load_add("paddw",r,t0,t1,t2,t3) 404 405#define snow_vertical_compose_r2r_sub(s0,s1,s2,s3,t0,t1,t2,t3)\ 406 "psubw %%"s0", %%"t0" \n\t"\ 407 "psubw %%"s1", %%"t1" \n\t"\ 408 "psubw %%"s2", %%"t2" \n\t"\ 409 "psubw %%"s3", %%"t3" \n\t" 410 411#define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\ 412 "movdqa %%"s0", ("w",%%"REG_d") \n\t"\ 413 "movdqa %%"s1", 16("w",%%"REG_d") \n\t"\ 414 "movdqa %%"s2", 32("w",%%"REG_d") \n\t"\ 415 "movdqa %%"s3", 48("w",%%"REG_d") \n\t" 416 417#define snow_vertical_compose_sra(n,t0,t1,t2,t3)\ 418 "psraw $"n", %%"t0" \n\t"\ 419 "psraw $"n", %%"t1" \n\t"\ 420 "psraw $"n", %%"t2" \n\t"\ 421 "psraw $"n", %%"t3" \n\t" 422 423#define snow_vertical_compose_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\ 424 "paddw %%"s0", %%"t0" \n\t"\ 425 "paddw %%"s1", %%"t1" \n\t"\ 426 "paddw %%"s2", %%"t2" \n\t"\ 427 "paddw %%"s3", %%"t3" \n\t" 428 429#define snow_vertical_compose_r2r_pmulhw(s0,s1,s2,s3,t0,t1,t2,t3)\ 430 "pmulhw %%"s0", %%"t0" \n\t"\ 431 "pmulhw %%"s1", %%"t1" \n\t"\ 432 "pmulhw %%"s2", %%"t2" \n\t"\ 433 "pmulhw %%"s3", %%"t3" \n\t" 434 435#define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\ 436 "movdqa %%"s0", %%"t0" \n\t"\ 437 "movdqa %%"s1", %%"t1" \n\t"\ 438 "movdqa %%"s2", %%"t2" \n\t"\ 439 "movdqa %%"s3", %%"t3" \n\t" 440 441static void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){ 442 x86_reg i = width; 443 444 while(i & 0x1F) 445 { 446 i--; 447 b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS; 448 b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS; 449 b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS; 450 b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS; 451 } 452 i+=i; 453 454 __asm__ volatile ( 455 "jmp 2f \n\t" 456 "1: \n\t" 457 snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6") 458 snow_vertical_compose_sse2_add("%6","xmm0","xmm2","xmm4","xmm6") 459 460 461 "pcmpeqw %%xmm0, %%xmm0 \n\t" 462 "pcmpeqw %%xmm2, %%xmm2 \n\t" 463 "paddw %%xmm2, %%xmm2 \n\t" 464 "paddw %%xmm0, %%xmm2 \n\t" 465 "psllw $13, %%xmm2 \n\t" 466 snow_vertical_compose_r2r_add("xmm0","xmm0","xmm0","xmm0","xmm1","xmm3","xmm5","xmm7") 467 snow_vertical_compose_r2r_pmulhw("xmm2","xmm2","xmm2","xmm2","xmm1","xmm3","xmm5","xmm7") 468 snow_vertical_compose_sse2_add("%5","xmm1","xmm3","xmm5","xmm7") 469 snow_vertical_compose_sse2_store("%5","xmm1","xmm3","xmm5","xmm7") 470 snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6") 471 snow_vertical_compose_sse2_add("%3","xmm1","xmm3","xmm5","xmm7") 472 snow_vertical_compose_r2r_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") 473 snow_vertical_compose_sse2_store("%4","xmm0","xmm2","xmm4","xmm6") 474 475 "pcmpeqw %%xmm7, %%xmm7 \n\t" 476 "pcmpeqw %%xmm5, %%xmm5 \n\t" 477 "psllw $15, %%xmm7 \n\t" 478 "psrlw $13, %%xmm5 \n\t" 479 "paddw %%xmm7, %%xmm5 \n\t" 480 snow_vertical_compose_r2r_add("xmm5","xmm5","xmm5","xmm5","xmm0","xmm2","xmm4","xmm6") 481 "movq (%2,%%"REG_d"), %%xmm1 \n\t" 482 "movq 8(%2,%%"REG_d"), %%xmm3 \n\t" 483 "paddw %%xmm7, %%xmm1 \n\t" 484 "paddw %%xmm7, %%xmm3 \n\t" 485 "pavgw %%xmm1, %%xmm0 \n\t" 486 "pavgw %%xmm3, %%xmm2 \n\t" 487 "movq 16(%2,%%"REG_d"), %%xmm1 \n\t" 488 "movq 24(%2,%%"REG_d"), %%xmm3 \n\t" 489 "paddw %%xmm7, %%xmm1 \n\t" 490 "paddw %%xmm7, %%xmm3 \n\t" 491 "pavgw %%xmm1, %%xmm4 \n\t" 492 "pavgw %%xmm3, %%xmm6 \n\t" 493 snow_vertical_compose_r2r_sub("xmm7","xmm7","xmm7","xmm7","xmm0","xmm2","xmm4","xmm6") 494 snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6") 495 snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6") 496 497 snow_vertical_compose_sra("2","xmm0","xmm2","xmm4","xmm6") 498 snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6") 499 snow_vertical_compose_sse2_store("%3","xmm0","xmm2","xmm4","xmm6") 500 snow_vertical_compose_sse2_add("%1","xmm0","xmm2","xmm4","xmm6") 501 snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7") 502 snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6") 503 snow_vertical_compose_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") 504 snow_vertical_compose_sse2_add("%2","xmm0","xmm2","xmm4","xmm6") 505 snow_vertical_compose_sse2_store("%2","xmm0","xmm2","xmm4","xmm6") 506 507 "2: \n\t" 508 "sub $64, %%"REG_d" \n\t" 509 "jge 1b \n\t" 510 :"+d"(i) 511 :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5)); 512} 513 514#define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\ 515 ""op" ("r",%%"REG_d"), %%"t0" \n\t"\ 516 ""op" 8("r",%%"REG_d"), %%"t1" \n\t"\ 517 ""op" 16("r",%%"REG_d"), %%"t2" \n\t"\ 518 ""op" 24("r",%%"REG_d"), %%"t3" \n\t" 519 520#define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\ 521 snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3) 522 523#define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\ 524 snow_vertical_compose_mmx_load_add("paddw",r,t0,t1,t2,t3) 525 526#define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\ 527 "movq %%"s0", ("w",%%"REG_d") \n\t"\ 528 "movq %%"s1", 8("w",%%"REG_d") \n\t"\ 529 "movq %%"s2", 16("w",%%"REG_d") \n\t"\ 530 "movq %%"s3", 24("w",%%"REG_d") \n\t" 531 532#define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\ 533 "movq %%"s0", %%"t0" \n\t"\ 534 "movq %%"s1", %%"t1" \n\t"\ 535 "movq %%"s2", %%"t2" \n\t"\ 536 "movq %%"s3", %%"t3" \n\t" 537 538 539static void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){ 540 x86_reg i = width; 541 while(i & 15) 542 { 543 i--; 544 b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS; 545 b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS; 546 b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS; 547 b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS; 548 } 549 i+=i; 550 __asm__ volatile( 551 "jmp 2f \n\t" 552 "1: \n\t" 553 554 snow_vertical_compose_mmx_load("%4","mm1","mm3","mm5","mm7") 555 snow_vertical_compose_mmx_add("%6","mm1","mm3","mm5","mm7") 556 "pcmpeqw %%mm0, %%mm0 \n\t" 557 "pcmpeqw %%mm2, %%mm2 \n\t" 558 "paddw %%mm2, %%mm2 \n\t" 559 "paddw %%mm0, %%mm2 \n\t" 560 "psllw $13, %%mm2 \n\t" 561 snow_vertical_compose_r2r_add("mm0","mm0","mm0","mm0","mm1","mm3","mm5","mm7") 562 snow_vertical_compose_r2r_pmulhw("mm2","mm2","mm2","mm2","mm1","mm3","mm5","mm7") 563 snow_vertical_compose_mmx_add("%5","mm1","mm3","mm5","mm7") 564 snow_vertical_compose_mmx_store("%5","mm1","mm3","mm5","mm7") 565 snow_vertical_compose_mmx_load("%4","mm0","mm2","mm4","mm6") 566 snow_vertical_compose_mmx_add("%3","mm1","mm3","mm5","mm7") 567 snow_vertical_compose_r2r_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") 568 snow_vertical_compose_mmx_store("%4","mm0","mm2","mm4","mm6") 569 "pcmpeqw %%mm7, %%mm7 \n\t" 570 "pcmpeqw %%mm5, %%mm5 \n\t" 571 "psllw $15, %%mm7 \n\t" 572 "psrlw $13, %%mm5 \n\t" 573 "paddw %%mm7, %%mm5 \n\t" 574 snow_vertical_compose_r2r_add("mm5","mm5","mm5","mm5","mm0","mm2","mm4","mm6") 575 "movq (%2,%%"REG_d"), %%mm1 \n\t" 576 "movq 8(%2,%%"REG_d"), %%mm3 \n\t" 577 "paddw %%mm7, %%mm1 \n\t" 578 "paddw %%mm7, %%mm3 \n\t" 579 "pavgw %%mm1, %%mm0 \n\t" 580 "pavgw %%mm3, %%mm2 \n\t" 581 "movq 16(%2,%%"REG_d"), %%mm1 \n\t" 582 "movq 24(%2,%%"REG_d"), %%mm3 \n\t" 583 "paddw %%mm7, %%mm1 \n\t" 584 "paddw %%mm7, %%mm3 \n\t" 585 "pavgw %%mm1, %%mm4 \n\t" 586 "pavgw %%mm3, %%mm6 \n\t" 587 snow_vertical_compose_r2r_sub("mm7","mm7","mm7","mm7","mm0","mm2","mm4","mm6") 588 snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6") 589 snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6") 590 591 snow_vertical_compose_sra("2","mm0","mm2","mm4","mm6") 592 snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6") 593 snow_vertical_compose_mmx_store("%3","mm0","mm2","mm4","mm6") 594 snow_vertical_compose_mmx_add("%1","mm0","mm2","mm4","mm6") 595 snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") 596 snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6") 597 snow_vertical_compose_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") 598 snow_vertical_compose_mmx_add("%2","mm0","mm2","mm4","mm6") 599 snow_vertical_compose_mmx_store("%2","mm0","mm2","mm4","mm6") 600 601 "2: \n\t" 602 "sub $32, %%"REG_d" \n\t" 603 "jge 1b \n\t" 604 :"+d"(i) 605 :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5)); 606} 607#endif //HAVE_7REGS 608 609#if HAVE_6REGS 610#define snow_inner_add_yblock_sse2_header \ 611 IDWTELEM * * dst_array = sb->line + src_y;\ 612 x86_reg tmp;\ 613 __asm__ volatile(\ 614 "mov %7, %%"REG_c" \n\t"\ 615 "mov %6, %2 \n\t"\ 616 "mov %4, %%"REG_S" \n\t"\ 617 "pxor %%xmm7, %%xmm7 \n\t" /* 0 */\ 618 "pcmpeqd %%xmm3, %%xmm3 \n\t"\ 619 "psllw $15, %%xmm3 \n\t"\ 620 "psrlw $12, %%xmm3 \n\t" /* FRAC_BITS >> 1 */\ 621 "1: \n\t"\ 622 "mov %1, %%"REG_D" \n\t"\ 623 "mov (%%"REG_D"), %%"REG_D" \n\t"\ 624 "add %3, %%"REG_D" \n\t" 625 626#define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\ 627 "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\ 628 "movq (%%"REG_d"), %%"out_reg1" \n\t"\ 629 "movq (%%"REG_d", %%"REG_c"), %%"out_reg2" \n\t"\ 630 "punpcklbw %%xmm7, %%"out_reg1" \n\t"\ 631 "punpcklbw %%xmm7, %%"out_reg2" \n\t"\ 632 "movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\ 633 "movq "s_offset"+16(%%"REG_S"), %%xmm4 \n\t"\ 634 "punpcklbw %%xmm7, %%xmm0 \n\t"\ 635 "punpcklbw %%xmm7, %%xmm4 \n\t"\ 636 "pmullw %%xmm0, %%"out_reg1" \n\t"\ 637 "pmullw %%xmm4, %%"out_reg2" \n\t" 638 639#define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\ 640 "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\ 641 "movq (%%"REG_d"), %%"out_reg1" \n\t"\ 642 "movq 8(%%"REG_d"), %%"out_reg2" \n\t"\ 643 "punpcklbw %%xmm7, %%"out_reg1" \n\t"\ 644 "punpcklbw %%xmm7, %%"out_reg2" \n\t"\ 645 "movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\ 646 "movq "s_offset"+8(%%"REG_S"), %%xmm4 \n\t"\ 647 "punpcklbw %%xmm7, %%xmm0 \n\t"\ 648 "punpcklbw %%xmm7, %%xmm4 \n\t"\ 649 "pmullw %%xmm0, %%"out_reg1" \n\t"\ 650 "pmullw %%xmm4, %%"out_reg2" \n\t" 651 652#define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \ 653 snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\ 654 "paddusw %%xmm2, %%xmm1 \n\t"\ 655 "paddusw %%xmm6, %%xmm5 \n\t" 656 657#define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \ 658 snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\ 659 "paddusw %%xmm2, %%xmm1 \n\t"\ 660 "paddusw %%xmm6, %%xmm5 \n\t" 661 662#define snow_inner_add_yblock_sse2_end_common1\ 663 "add $32, %%"REG_S" \n\t"\ 664 "add %%"REG_c", %0 \n\t"\ 665 "add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\ 666 "add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\ 667 "add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\ 668 "add %%"REG_c", (%%"REG_a") \n\t" 669 670#define snow_inner_add_yblock_sse2_end_common2\ 671 "jnz 1b \n\t"\ 672 :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\ 673 :\ 674 "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\ 675 XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", )\ 676 "%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d""); 677 678#define snow_inner_add_yblock_sse2_end_8\ 679 "sal $1, %%"REG_c" \n\t"\ 680 "add"OPSIZE" $"PTR_SIZE"*2, %1 \n\t"\ 681 snow_inner_add_yblock_sse2_end_common1\ 682 "sar $1, %%"REG_c" \n\t"\ 683 "sub $2, %2 \n\t"\ 684 snow_inner_add_yblock_sse2_end_common2 685 686#define snow_inner_add_yblock_sse2_end_16\ 687 "add"OPSIZE" $"PTR_SIZE"*1, %1 \n\t"\ 688 snow_inner_add_yblock_sse2_end_common1\ 689 "dec %2 \n\t"\ 690 snow_inner_add_yblock_sse2_end_common2 691 692static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h, 693 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 694snow_inner_add_yblock_sse2_header 695snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0") 696snow_inner_add_yblock_sse2_accum_8("2", "8") 697snow_inner_add_yblock_sse2_accum_8("1", "128") 698snow_inner_add_yblock_sse2_accum_8("0", "136") 699 700 "mov %0, %%"REG_d" \n\t" 701 "movdqa (%%"REG_D"), %%xmm0 \n\t" 702 "movdqa %%xmm1, %%xmm2 \n\t" 703 704 "punpckhwd %%xmm7, %%xmm1 \n\t" 705 "punpcklwd %%xmm7, %%xmm2 \n\t" 706 "paddd %%xmm2, %%xmm0 \n\t" 707 "movdqa 16(%%"REG_D"), %%xmm2 \n\t" 708 "paddd %%xmm1, %%xmm2 \n\t" 709 "paddd %%xmm3, %%xmm0 \n\t" 710 "paddd %%xmm3, %%xmm2 \n\t" 711 712 "mov %1, %%"REG_D" \n\t" 713 "mov "PTR_SIZE"(%%"REG_D"), %%"REG_D";\n\t" 714 "add %3, %%"REG_D" \n\t" 715 716 "movdqa (%%"REG_D"), %%xmm4 \n\t" 717 "movdqa %%xmm5, %%xmm6 \n\t" 718 "punpckhwd %%xmm7, %%xmm5 \n\t" 719 "punpcklwd %%xmm7, %%xmm6 \n\t" 720 "paddd %%xmm6, %%xmm4 \n\t" 721 "movdqa 16(%%"REG_D"), %%xmm6 \n\t" 722 "paddd %%xmm5, %%xmm6 \n\t" 723 "paddd %%xmm3, %%xmm4 \n\t" 724 "paddd %%xmm3, %%xmm6 \n\t" 725 726 "psrad $8, %%xmm0 \n\t" /* FRAC_BITS. */ 727 "psrad $8, %%xmm2 \n\t" /* FRAC_BITS. */ 728 "packssdw %%xmm2, %%xmm0 \n\t" 729 "packuswb %%xmm7, %%xmm0 \n\t" 730 "movq %%xmm0, (%%"REG_d") \n\t" 731 732 "psrad $8, %%xmm4 \n\t" /* FRAC_BITS. */ 733 "psrad $8, %%xmm6 \n\t" /* FRAC_BITS. */ 734 "packssdw %%xmm6, %%xmm4 \n\t" 735 "packuswb %%xmm7, %%xmm4 \n\t" 736 "movq %%xmm4, (%%"REG_d",%%"REG_c");\n\t" 737snow_inner_add_yblock_sse2_end_8 738} 739 740static void inner_add_yblock_bw_16_obmc_32_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h, 741 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 742snow_inner_add_yblock_sse2_header 743snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0") 744snow_inner_add_yblock_sse2_accum_16("2", "16") 745snow_inner_add_yblock_sse2_accum_16("1", "512") 746snow_inner_add_yblock_sse2_accum_16("0", "528") 747 748 "mov %0, %%"REG_d" \n\t" 749 "psrlw $4, %%xmm1 \n\t" 750 "psrlw $4, %%xmm5 \n\t" 751 "paddw (%%"REG_D"), %%xmm1 \n\t" 752 "paddw 16(%%"REG_D"), %%xmm5 \n\t" 753 "paddw %%xmm3, %%xmm1 \n\t" 754 "paddw %%xmm3, %%xmm5 \n\t" 755 "psraw $4, %%xmm1 \n\t" /* FRAC_BITS. */ 756 "psraw $4, %%xmm5 \n\t" /* FRAC_BITS. */ 757 "packuswb %%xmm5, %%xmm1 \n\t" 758 759 "movdqu %%xmm1, (%%"REG_d") \n\t" 760 761snow_inner_add_yblock_sse2_end_16 762} 763 764#define snow_inner_add_yblock_mmx_header \ 765 IDWTELEM * * dst_array = sb->line + src_y;\ 766 x86_reg tmp;\ 767 __asm__ volatile(\ 768 "mov %7, %%"REG_c" \n\t"\ 769 "mov %6, %2 \n\t"\ 770 "mov %4, %%"REG_S" \n\t"\ 771 "pxor %%mm7, %%mm7 \n\t" /* 0 */\ 772 "pcmpeqd %%mm3, %%mm3 \n\t"\ 773 "psllw $15, %%mm3 \n\t"\ 774 "psrlw $12, %%mm3 \n\t" /* FRAC_BITS >> 1 */\ 775 "1: \n\t"\ 776 "mov %1, %%"REG_D" \n\t"\ 777 "mov (%%"REG_D"), %%"REG_D" \n\t"\ 778 "add %3, %%"REG_D" \n\t" 779 780#define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\ 781 "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\ 782 "movd "d_offset"(%%"REG_d"), %%"out_reg1" \n\t"\ 783 "movd "d_offset"+4(%%"REG_d"), %%"out_reg2" \n\t"\ 784 "punpcklbw %%mm7, %%"out_reg1" \n\t"\ 785 "punpcklbw %%mm7, %%"out_reg2" \n\t"\ 786 "movd "s_offset"(%%"REG_S"), %%mm0 \n\t"\ 787 "movd "s_offset"+4(%%"REG_S"), %%mm4 \n\t"\ 788 "punpcklbw %%mm7, %%mm0 \n\t"\ 789 "punpcklbw %%mm7, %%mm4 \n\t"\ 790 "pmullw %%mm0, %%"out_reg1" \n\t"\ 791 "pmullw %%mm4, %%"out_reg2" \n\t" 792 793#define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \ 794 snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\ 795 "paddusw %%mm2, %%mm1 \n\t"\ 796 "paddusw %%mm6, %%mm5 \n\t" 797 798#define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\ 799 "mov %0, %%"REG_d" \n\t"\ 800 "psrlw $4, %%mm1 \n\t"\ 801 "psrlw $4, %%mm5 \n\t"\ 802 "paddw "read_offset"(%%"REG_D"), %%mm1 \n\t"\ 803 "paddw "read_offset"+8(%%"REG_D"), %%mm5 \n\t"\ 804 "paddw %%mm3, %%mm1 \n\t"\ 805 "paddw %%mm3, %%mm5 \n\t"\ 806 "psraw $4, %%mm1 \n\t"\ 807 "psraw $4, %%mm5 \n\t"\ 808 "packuswb %%mm5, %%mm1 \n\t"\ 809 "movq %%mm1, "write_offset"(%%"REG_d") \n\t" 810 811#define snow_inner_add_yblock_mmx_end(s_step)\ 812 "add $"s_step", %%"REG_S" \n\t"\ 813 "add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\ 814 "add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\ 815 "add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\ 816 "add %%"REG_c", (%%"REG_a") \n\t"\ 817 "add"OPSIZE " $"PTR_SIZE"*1, %1 \n\t"\ 818 "add %%"REG_c", %0 \n\t"\ 819 "dec %2 \n\t"\ 820 "jnz 1b \n\t"\ 821 :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\ 822 :\ 823 "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\ 824 "%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d""); 825 826static void inner_add_yblock_bw_8_obmc_16_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h, 827 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 828snow_inner_add_yblock_mmx_header 829snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0") 830snow_inner_add_yblock_mmx_accum("2", "8", "0") 831snow_inner_add_yblock_mmx_accum("1", "128", "0") 832snow_inner_add_yblock_mmx_accum("0", "136", "0") 833snow_inner_add_yblock_mmx_mix("0", "0") 834snow_inner_add_yblock_mmx_end("16") 835} 836 837static void inner_add_yblock_bw_16_obmc_32_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h, 838 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 839snow_inner_add_yblock_mmx_header 840snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0") 841snow_inner_add_yblock_mmx_accum("2", "16", "0") 842snow_inner_add_yblock_mmx_accum("1", "512", "0") 843snow_inner_add_yblock_mmx_accum("0", "528", "0") 844snow_inner_add_yblock_mmx_mix("0", "0") 845 846snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8") 847snow_inner_add_yblock_mmx_accum("2", "24", "8") 848snow_inner_add_yblock_mmx_accum("1", "520", "8") 849snow_inner_add_yblock_mmx_accum("0", "536", "8") 850snow_inner_add_yblock_mmx_mix("16", "8") 851snow_inner_add_yblock_mmx_end("32") 852} 853 854static void ff_snow_inner_add_yblock_sse2(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, 855 int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 856 857 if (b_w == 16) 858 inner_add_yblock_bw_16_obmc_32_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 859 else if (b_w == 8 && obmc_stride == 16) { 860 if (!(b_h & 1)) 861 inner_add_yblock_bw_8_obmc_16_bh_even_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 862 else 863 inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 864 } else 865 ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 866} 867 868static void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, 869 int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 870 if (b_w == 16) 871 inner_add_yblock_bw_16_obmc_32_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 872 else if (b_w == 8 && obmc_stride == 16) 873 inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 874 else 875 ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 876} 877#endif /* HAVE_6REGS */ 878 879#endif /* HAVE_INLINE_ASM */ 880 881void ff_dwt_init_x86(SnowDWTContext *c) 882{ 883#if HAVE_INLINE_ASM 884 int mm_flags = av_get_cpu_flags(); 885 886 if (mm_flags & AV_CPU_FLAG_MMX) { 887 if(mm_flags & AV_CPU_FLAG_SSE2 & 0){ 888 c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2; 889#if HAVE_7REGS 890 c->vertical_compose97i = ff_snow_vertical_compose97i_sse2; 891#endif 892#if HAVE_6REGS 893 c->inner_add_yblock = ff_snow_inner_add_yblock_sse2; 894#endif 895 } 896 else{ 897 if (mm_flags & AV_CPU_FLAG_MMXEXT) { 898 c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx; 899#if HAVE_7REGS 900 c->vertical_compose97i = ff_snow_vertical_compose97i_mmx; 901#endif 902 } 903#if HAVE_6REGS 904 c->inner_add_yblock = ff_snow_inner_add_yblock_mmx; 905#endif 906 } 907 } 908#endif /* HAVE_INLINE_ASM */ 909} 910