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 <stdint.h> 23#include "config.h" 24#include "libavutil/attributes.h" 25#include "libavutil/cpu.h" 26#include "libavutil/x86/asm.h" 27#include "libavcodec/snow.h" 28#include "libavcodec/snow_dwt.h" 29 30#if HAVE_INLINE_ASM 31 32static void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, IDWTELEM *temp, int width){ 33 const int w2= (width+1)>>1; 34 const int w_l= (width>>1); 35 const int w_r= w2 - 1; 36 int i; 37 38 { // Lift 0 39 IDWTELEM * const ref = b + w2 - 1; 40 IDWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice 41 // (the first time erroneously), we allow the SSE2 code to run an extra pass. 42 // The savings in code and time are well worth having to store this value and 43 // calculate b[0] correctly afterwards. 44 45 i = 0; 46 __asm__ volatile( 47 "pcmpeqd %%xmm7, %%xmm7 \n\t" 48 "pcmpeqd %%xmm3, %%xmm3 \n\t" 49 "psllw $1, %%xmm3 \n\t" 50 "paddw %%xmm7, %%xmm3 \n\t" 51 "psllw $13, %%xmm3 \n\t" 52 ::); 53 for(; i<w_l-15; i+=16){ 54 __asm__ volatile( 55 "movdqu (%1), %%xmm1 \n\t" 56 "movdqu 16(%1), %%xmm5 \n\t" 57 "movdqu 2(%1), %%xmm2 \n\t" 58 "movdqu 18(%1), %%xmm6 \n\t" 59 "paddw %%xmm1, %%xmm2 \n\t" 60 "paddw %%xmm5, %%xmm6 \n\t" 61 "paddw %%xmm7, %%xmm2 \n\t" 62 "paddw %%xmm7, %%xmm6 \n\t" 63 "pmulhw %%xmm3, %%xmm2 \n\t" 64 "pmulhw %%xmm3, %%xmm6 \n\t" 65 "paddw (%0), %%xmm2 \n\t" 66 "paddw 16(%0), %%xmm6 \n\t" 67 "movdqa %%xmm2, (%0) \n\t" 68 "movdqa %%xmm6, 16(%0) \n\t" 69 :: "r"(&b[i]), "r"(&ref[i]) 70 : "memory" 71 ); 72 } 73 snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS); 74 b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); 75 } 76 77 { // Lift 1 78 IDWTELEM * const dst = b+w2; 79 80 i = 0; 81 for(; (((x86_reg)&dst[i]) & 0x1F) && i<w_r; i++){ 82 dst[i] = dst[i] - (b[i] + b[i + 1]); 83 } 84 for(; i<w_r-15; i+=16){ 85 __asm__ volatile( 86 "movdqu (%1), %%xmm1 \n\t" 87 "movdqu 16(%1), %%xmm5 \n\t" 88 "movdqu 2(%1), %%xmm2 \n\t" 89 "movdqu 18(%1), %%xmm6 \n\t" 90 "paddw %%xmm1, %%xmm2 \n\t" 91 "paddw %%xmm5, %%xmm6 \n\t" 92 "movdqa (%0), %%xmm0 \n\t" 93 "movdqa 16(%0), %%xmm4 \n\t" 94 "psubw %%xmm2, %%xmm0 \n\t" 95 "psubw %%xmm6, %%xmm4 \n\t" 96 "movdqa %%xmm0, (%0) \n\t" 97 "movdqa %%xmm4, 16(%0) \n\t" 98 :: "r"(&dst[i]), "r"(&b[i]) 99 : "memory" 100 ); 101 } 102 snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS); 103 } 104 105 { // Lift 2 106 IDWTELEM * const ref = b+w2 - 1; 107 IDWTELEM b_0 = b[0]; 108 109 i = 0; 110 __asm__ volatile( 111 "psllw $15, %%xmm7 \n\t" 112 "pcmpeqw %%xmm6, %%xmm6 \n\t" 113 "psrlw $13, %%xmm6 \n\t" 114 "paddw %%xmm7, %%xmm6 \n\t" 115 ::); 116 for(; i<w_l-15; i+=16){ 117 __asm__ volatile( 118 "movdqu (%1), %%xmm0 \n\t" 119 "movdqu 16(%1), %%xmm4 \n\t" 120 "movdqu 2(%1), %%xmm1 \n\t" 121 "movdqu 18(%1), %%xmm5 \n\t" //FIXME try aligned reads and shifts 122 "paddw %%xmm6, %%xmm0 \n\t" 123 "paddw %%xmm6, %%xmm4 \n\t" 124 "paddw %%xmm7, %%xmm1 \n\t" 125 "paddw %%xmm7, %%xmm5 \n\t" 126 "pavgw %%xmm1, %%xmm0 \n\t" 127 "pavgw %%xmm5, %%xmm4 \n\t" 128 "psubw %%xmm7, %%xmm0 \n\t" 129 "psubw %%xmm7, %%xmm4 \n\t" 130 "psraw $1, %%xmm0 \n\t" 131 "psraw $1, %%xmm4 \n\t" 132 "movdqa (%0), %%xmm1 \n\t" 133 "movdqa 16(%0), %%xmm5 \n\t" 134 "paddw %%xmm1, %%xmm0 \n\t" 135 "paddw %%xmm5, %%xmm4 \n\t" 136 "psraw $2, %%xmm0 \n\t" 137 "psraw $2, %%xmm4 \n\t" 138 "paddw %%xmm1, %%xmm0 \n\t" 139 "paddw %%xmm5, %%xmm4 \n\t" 140 "movdqa %%xmm0, (%0) \n\t" 141 "movdqa %%xmm4, 16(%0) \n\t" 142 :: "r"(&b[i]), "r"(&ref[i]) 143 : "memory" 144 ); 145 } 146 snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l); 147 b[0] = b_0 + ((2 * ref[1] + W_BO-1 + 4 * b_0) >> W_BS); 148 } 149 150 { // Lift 3 151 IDWTELEM * const src = b+w2; 152 153 i = 0; 154 for(; (((x86_reg)&temp[i]) & 0x1F) && i<w_r; i++){ 155 temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS); 156 } 157 for(; i<w_r-7; i+=8){ 158 __asm__ volatile( 159 "movdqu 2(%1), %%xmm2 \n\t" 160 "movdqu 18(%1), %%xmm6 \n\t" 161 "paddw (%1), %%xmm2 \n\t" 162 "paddw 16(%1), %%xmm6 \n\t" 163 "movdqu (%0), %%xmm0 \n\t" 164 "movdqu 16(%0), %%xmm4 \n\t" 165 "paddw %%xmm2, %%xmm0 \n\t" 166 "paddw %%xmm6, %%xmm4 \n\t" 167 "psraw $1, %%xmm2 \n\t" 168 "psraw $1, %%xmm6 \n\t" 169 "paddw %%xmm0, %%xmm2 \n\t" 170 "paddw %%xmm4, %%xmm6 \n\t" 171 "movdqa %%xmm2, (%2) \n\t" 172 "movdqa %%xmm6, 16(%2) \n\t" 173 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i]) 174 : "memory" 175 ); 176 } 177 snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS); 178 } 179 180 { 181 snow_interleave_line_header(&i, width, b, temp); 182 183 for (; (i & 0x3E) != 0x3E; i-=2){ 184 b[i+1] = temp[i>>1]; 185 b[i] = b[i>>1]; 186 } 187 for (i-=62; i>=0; i-=64){ 188 __asm__ volatile( 189 "movdqa (%1), %%xmm0 \n\t" 190 "movdqa 16(%1), %%xmm2 \n\t" 191 "movdqa 32(%1), %%xmm4 \n\t" 192 "movdqa 48(%1), %%xmm6 \n\t" 193 "movdqa (%1), %%xmm1 \n\t" 194 "movdqa 16(%1), %%xmm3 \n\t" 195 "movdqa 32(%1), %%xmm5 \n\t" 196 "movdqa 48(%1), %%xmm7 \n\t" 197 "punpcklwd (%2), %%xmm0 \n\t" 198 "punpcklwd 16(%2), %%xmm2 \n\t" 199 "punpcklwd 32(%2), %%xmm4 \n\t" 200 "punpcklwd 48(%2), %%xmm6 \n\t" 201 "movdqa %%xmm0, (%0) \n\t" 202 "movdqa %%xmm2, 32(%0) \n\t" 203 "movdqa %%xmm4, 64(%0) \n\t" 204 "movdqa %%xmm6, 96(%0) \n\t" 205 "punpckhwd (%2), %%xmm1 \n\t" 206 "punpckhwd 16(%2), %%xmm3 \n\t" 207 "punpckhwd 32(%2), %%xmm5 \n\t" 208 "punpckhwd 48(%2), %%xmm7 \n\t" 209 "movdqa %%xmm1, 16(%0) \n\t" 210 "movdqa %%xmm3, 48(%0) \n\t" 211 "movdqa %%xmm5, 80(%0) \n\t" 212 "movdqa %%xmm7, 112(%0) \n\t" 213 :: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1]) 214 : "memory" 215 ); 216 } 217 } 218} 219 220static void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, IDWTELEM *temp, int width){ 221 const int w2= (width+1)>>1; 222 const int w_l= (width>>1); 223 const int w_r= w2 - 1; 224 int i; 225 226 { // Lift 0 227 IDWTELEM * const ref = b + w2 - 1; 228 229 i = 1; 230 b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); 231 __asm__ volatile( 232 "pcmpeqw %%mm7, %%mm7 \n\t" 233 "pcmpeqw %%mm3, %%mm3 \n\t" 234 "psllw $1, %%mm3 \n\t" 235 "paddw %%mm7, %%mm3 \n\t" 236 "psllw $13, %%mm3 \n\t" 237 ::); 238 for(; i<w_l-7; i+=8){ 239 __asm__ volatile( 240 "movq (%1), %%mm2 \n\t" 241 "movq 8(%1), %%mm6 \n\t" 242 "paddw 2(%1), %%mm2 \n\t" 243 "paddw 10(%1), %%mm6 \n\t" 244 "paddw %%mm7, %%mm2 \n\t" 245 "paddw %%mm7, %%mm6 \n\t" 246 "pmulhw %%mm3, %%mm2 \n\t" 247 "pmulhw %%mm3, %%mm6 \n\t" 248 "paddw (%0), %%mm2 \n\t" 249 "paddw 8(%0), %%mm6 \n\t" 250 "movq %%mm2, (%0) \n\t" 251 "movq %%mm6, 8(%0) \n\t" 252 :: "r"(&b[i]), "r"(&ref[i]) 253 : "memory" 254 ); 255 } 256 snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS); 257 } 258 259 { // Lift 1 260 IDWTELEM * const dst = b+w2; 261 262 i = 0; 263 for(; i<w_r-7; i+=8){ 264 __asm__ volatile( 265 "movq (%1), %%mm2 \n\t" 266 "movq 8(%1), %%mm6 \n\t" 267 "paddw 2(%1), %%mm2 \n\t" 268 "paddw 10(%1), %%mm6 \n\t" 269 "movq (%0), %%mm0 \n\t" 270 "movq 8(%0), %%mm4 \n\t" 271 "psubw %%mm2, %%mm0 \n\t" 272 "psubw %%mm6, %%mm4 \n\t" 273 "movq %%mm0, (%0) \n\t" 274 "movq %%mm4, 8(%0) \n\t" 275 :: "r"(&dst[i]), "r"(&b[i]) 276 : "memory" 277 ); 278 } 279 snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS); 280 } 281 282 { // Lift 2 283 IDWTELEM * const ref = b+w2 - 1; 284 285 i = 1; 286 b[0] = b[0] + (((2 * ref[1] + W_BO) + 4 * b[0]) >> W_BS); 287 __asm__ volatile( 288 "psllw $15, %%mm7 \n\t" 289 "pcmpeqw %%mm6, %%mm6 \n\t" 290 "psrlw $13, %%mm6 \n\t" 291 "paddw %%mm7, %%mm6 \n\t" 292 ::); 293 for(; i<w_l-7; i+=8){ 294 __asm__ volatile( 295 "movq (%1), %%mm0 \n\t" 296 "movq 8(%1), %%mm4 \n\t" 297 "movq 2(%1), %%mm1 \n\t" 298 "movq 10(%1), %%mm5 \n\t" 299 "paddw %%mm6, %%mm0 \n\t" 300 "paddw %%mm6, %%mm4 \n\t" 301 "paddw %%mm7, %%mm1 \n\t" 302 "paddw %%mm7, %%mm5 \n\t" 303 "pavgw %%mm1, %%mm0 \n\t" 304 "pavgw %%mm5, %%mm4 \n\t" 305 "psubw %%mm7, %%mm0 \n\t" 306 "psubw %%mm7, %%mm4 \n\t" 307 "psraw $1, %%mm0 \n\t" 308 "psraw $1, %%mm4 \n\t" 309 "movq (%0), %%mm1 \n\t" 310 "movq 8(%0), %%mm5 \n\t" 311 "paddw %%mm1, %%mm0 \n\t" 312 "paddw %%mm5, %%mm4 \n\t" 313 "psraw $2, %%mm0 \n\t" 314 "psraw $2, %%mm4 \n\t" 315 "paddw %%mm1, %%mm0 \n\t" 316 "paddw %%mm5, %%mm4 \n\t" 317 "movq %%mm0, (%0) \n\t" 318 "movq %%mm4, 8(%0) \n\t" 319 :: "r"(&b[i]), "r"(&ref[i]) 320 : "memory" 321 ); 322 } 323 snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l); 324 } 325 326 { // Lift 3 327 IDWTELEM * const src = b+w2; 328 i = 0; 329 330 for(; i<w_r-7; i+=8){ 331 __asm__ volatile( 332 "movq 2(%1), %%mm2 \n\t" 333 "movq 10(%1), %%mm6 \n\t" 334 "paddw (%1), %%mm2 \n\t" 335 "paddw 8(%1), %%mm6 \n\t" 336 "movq (%0), %%mm0 \n\t" 337 "movq 8(%0), %%mm4 \n\t" 338 "paddw %%mm2, %%mm0 \n\t" 339 "paddw %%mm6, %%mm4 \n\t" 340 "psraw $1, %%mm2 \n\t" 341 "psraw $1, %%mm6 \n\t" 342 "paddw %%mm0, %%mm2 \n\t" 343 "paddw %%mm4, %%mm6 \n\t" 344 "movq %%mm2, (%2) \n\t" 345 "movq %%mm6, 8(%2) \n\t" 346 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i]) 347 : "memory" 348 ); 349 } 350 snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS); 351 } 352 353 { 354 snow_interleave_line_header(&i, width, b, temp); 355 356 for (; (i & 0x1E) != 0x1E; i-=2){ 357 b[i+1] = temp[i>>1]; 358 b[i] = b[i>>1]; 359 } 360 for (i-=30; i>=0; i-=32){ 361 __asm__ volatile( 362 "movq (%1), %%mm0 \n\t" 363 "movq 8(%1), %%mm2 \n\t" 364 "movq 16(%1), %%mm4 \n\t" 365 "movq 24(%1), %%mm6 \n\t" 366 "movq (%1), %%mm1 \n\t" 367 "movq 8(%1), %%mm3 \n\t" 368 "movq 16(%1), %%mm5 \n\t" 369 "movq 24(%1), %%mm7 \n\t" 370 "punpcklwd (%2), %%mm0 \n\t" 371 "punpcklwd 8(%2), %%mm2 \n\t" 372 "punpcklwd 16(%2), %%mm4 \n\t" 373 "punpcklwd 24(%2), %%mm6 \n\t" 374 "movq %%mm0, (%0) \n\t" 375 "movq %%mm2, 16(%0) \n\t" 376 "movq %%mm4, 32(%0) \n\t" 377 "movq %%mm6, 48(%0) \n\t" 378 "punpckhwd (%2), %%mm1 \n\t" 379 "punpckhwd 8(%2), %%mm3 \n\t" 380 "punpckhwd 16(%2), %%mm5 \n\t" 381 "punpckhwd 24(%2), %%mm7 \n\t" 382 "movq %%mm1, 8(%0) \n\t" 383 "movq %%mm3, 24(%0) \n\t" 384 "movq %%mm5, 40(%0) \n\t" 385 "movq %%mm7, 56(%0) \n\t" 386 :: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1]) 387 : "memory" 388 ); 389 } 390 } 391} 392 393#if HAVE_7REGS 394#define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\ 395 ""op" ("r",%%"FF_REG_d"), %%"t0" \n\t"\ 396 ""op" 16("r",%%"FF_REG_d"), %%"t1" \n\t"\ 397 ""op" 32("r",%%"FF_REG_d"), %%"t2" \n\t"\ 398 ""op" 48("r",%%"FF_REG_d"), %%"t3" \n\t" 399 400#define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\ 401 snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3) 402 403#define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\ 404 snow_vertical_compose_sse2_load_add("paddw",r,t0,t1,t2,t3) 405 406#define snow_vertical_compose_r2r_sub(s0,s1,s2,s3,t0,t1,t2,t3)\ 407 "psubw %%"s0", %%"t0" \n\t"\ 408 "psubw %%"s1", %%"t1" \n\t"\ 409 "psubw %%"s2", %%"t2" \n\t"\ 410 "psubw %%"s3", %%"t3" \n\t" 411 412#define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\ 413 "movdqa %%"s0", ("w",%%"FF_REG_d") \n\t"\ 414 "movdqa %%"s1", 16("w",%%"FF_REG_d") \n\t"\ 415 "movdqa %%"s2", 32("w",%%"FF_REG_d") \n\t"\ 416 "movdqa %%"s3", 48("w",%%"FF_REG_d") \n\t" 417 418#define snow_vertical_compose_sra(n,t0,t1,t2,t3)\ 419 "psraw $"n", %%"t0" \n\t"\ 420 "psraw $"n", %%"t1" \n\t"\ 421 "psraw $"n", %%"t2" \n\t"\ 422 "psraw $"n", %%"t3" \n\t" 423 424#define snow_vertical_compose_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\ 425 "paddw %%"s0", %%"t0" \n\t"\ 426 "paddw %%"s1", %%"t1" \n\t"\ 427 "paddw %%"s2", %%"t2" \n\t"\ 428 "paddw %%"s3", %%"t3" \n\t" 429 430#define snow_vertical_compose_r2r_pmulhw(s0,s1,s2,s3,t0,t1,t2,t3)\ 431 "pmulhw %%"s0", %%"t0" \n\t"\ 432 "pmulhw %%"s1", %%"t1" \n\t"\ 433 "pmulhw %%"s2", %%"t2" \n\t"\ 434 "pmulhw %%"s3", %%"t3" \n\t" 435 436#define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\ 437 "movdqa %%"s0", %%"t0" \n\t"\ 438 "movdqa %%"s1", %%"t1" \n\t"\ 439 "movdqa %%"s2", %%"t2" \n\t"\ 440 "movdqa %%"s3", %%"t3" \n\t" 441 442static void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){ 443 x86_reg i = width; 444 445 while(i & 0x1F) 446 { 447 i--; 448 b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS; 449 b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS; 450 b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS; 451 b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS; 452 } 453 i+=i; 454 455 __asm__ volatile ( 456 "jmp 2f \n\t" 457 "1: \n\t" 458 snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6") 459 snow_vertical_compose_sse2_add("%6","xmm0","xmm2","xmm4","xmm6") 460 461 462 "pcmpeqw %%xmm0, %%xmm0 \n\t" 463 "pcmpeqw %%xmm2, %%xmm2 \n\t" 464 "paddw %%xmm2, %%xmm2 \n\t" 465 "paddw %%xmm0, %%xmm2 \n\t" 466 "psllw $13, %%xmm2 \n\t" 467 snow_vertical_compose_r2r_add("xmm0","xmm0","xmm0","xmm0","xmm1","xmm3","xmm5","xmm7") 468 snow_vertical_compose_r2r_pmulhw("xmm2","xmm2","xmm2","xmm2","xmm1","xmm3","xmm5","xmm7") 469 snow_vertical_compose_sse2_add("%5","xmm1","xmm3","xmm5","xmm7") 470 snow_vertical_compose_sse2_store("%5","xmm1","xmm3","xmm5","xmm7") 471 snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6") 472 snow_vertical_compose_sse2_add("%3","xmm1","xmm3","xmm5","xmm7") 473 snow_vertical_compose_r2r_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") 474 snow_vertical_compose_sse2_store("%4","xmm0","xmm2","xmm4","xmm6") 475 476 "pcmpeqw %%xmm7, %%xmm7 \n\t" 477 "pcmpeqw %%xmm5, %%xmm5 \n\t" 478 "psllw $15, %%xmm7 \n\t" 479 "psrlw $13, %%xmm5 \n\t" 480 "paddw %%xmm7, %%xmm5 \n\t" 481 snow_vertical_compose_r2r_add("xmm5","xmm5","xmm5","xmm5","xmm0","xmm2","xmm4","xmm6") 482 "movq (%2,%%"FF_REG_d"), %%xmm1 \n\t" 483 "movq 8(%2,%%"FF_REG_d"), %%xmm3 \n\t" 484 "paddw %%xmm7, %%xmm1 \n\t" 485 "paddw %%xmm7, %%xmm3 \n\t" 486 "pavgw %%xmm1, %%xmm0 \n\t" 487 "pavgw %%xmm3, %%xmm2 \n\t" 488 "movq 16(%2,%%"FF_REG_d"), %%xmm1 \n\t" 489 "movq 24(%2,%%"FF_REG_d"), %%xmm3 \n\t" 490 "paddw %%xmm7, %%xmm1 \n\t" 491 "paddw %%xmm7, %%xmm3 \n\t" 492 "pavgw %%xmm1, %%xmm4 \n\t" 493 "pavgw %%xmm3, %%xmm6 \n\t" 494 snow_vertical_compose_r2r_sub("xmm7","xmm7","xmm7","xmm7","xmm0","xmm2","xmm4","xmm6") 495 snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6") 496 snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6") 497 498 snow_vertical_compose_sra("2","xmm0","xmm2","xmm4","xmm6") 499 snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6") 500 snow_vertical_compose_sse2_store("%3","xmm0","xmm2","xmm4","xmm6") 501 snow_vertical_compose_sse2_add("%1","xmm0","xmm2","xmm4","xmm6") 502 snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7") 503 snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6") 504 snow_vertical_compose_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") 505 snow_vertical_compose_sse2_add("%2","xmm0","xmm2","xmm4","xmm6") 506 snow_vertical_compose_sse2_store("%2","xmm0","xmm2","xmm4","xmm6") 507 508 "2: \n\t" 509 "sub $64, %%"FF_REG_d" \n\t" 510 "jge 1b \n\t" 511 :"+d"(i) 512 :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5)); 513} 514 515#define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\ 516 ""op" ("r",%%"FF_REG_d"), %%"t0" \n\t"\ 517 ""op" 8("r",%%"FF_REG_d"), %%"t1" \n\t"\ 518 ""op" 16("r",%%"FF_REG_d"), %%"t2" \n\t"\ 519 ""op" 24("r",%%"FF_REG_d"), %%"t3" \n\t" 520 521#define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\ 522 snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3) 523 524#define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\ 525 snow_vertical_compose_mmx_load_add("paddw",r,t0,t1,t2,t3) 526 527#define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\ 528 "movq %%"s0", ("w",%%"FF_REG_d") \n\t"\ 529 "movq %%"s1", 8("w",%%"FF_REG_d") \n\t"\ 530 "movq %%"s2", 16("w",%%"FF_REG_d") \n\t"\ 531 "movq %%"s3", 24("w",%%"FF_REG_d") \n\t" 532 533#define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\ 534 "movq %%"s0", %%"t0" \n\t"\ 535 "movq %%"s1", %%"t1" \n\t"\ 536 "movq %%"s2", %%"t2" \n\t"\ 537 "movq %%"s3", %%"t3" \n\t" 538 539 540static void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){ 541 x86_reg i = width; 542 while(i & 15) 543 { 544 i--; 545 b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS; 546 b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS; 547 b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS; 548 b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS; 549 } 550 i+=i; 551 __asm__ volatile( 552 "jmp 2f \n\t" 553 "1: \n\t" 554 555 snow_vertical_compose_mmx_load("%4","mm1","mm3","mm5","mm7") 556 snow_vertical_compose_mmx_add("%6","mm1","mm3","mm5","mm7") 557 "pcmpeqw %%mm0, %%mm0 \n\t" 558 "pcmpeqw %%mm2, %%mm2 \n\t" 559 "paddw %%mm2, %%mm2 \n\t" 560 "paddw %%mm0, %%mm2 \n\t" 561 "psllw $13, %%mm2 \n\t" 562 snow_vertical_compose_r2r_add("mm0","mm0","mm0","mm0","mm1","mm3","mm5","mm7") 563 snow_vertical_compose_r2r_pmulhw("mm2","mm2","mm2","mm2","mm1","mm3","mm5","mm7") 564 snow_vertical_compose_mmx_add("%5","mm1","mm3","mm5","mm7") 565 snow_vertical_compose_mmx_store("%5","mm1","mm3","mm5","mm7") 566 snow_vertical_compose_mmx_load("%4","mm0","mm2","mm4","mm6") 567 snow_vertical_compose_mmx_add("%3","mm1","mm3","mm5","mm7") 568 snow_vertical_compose_r2r_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") 569 snow_vertical_compose_mmx_store("%4","mm0","mm2","mm4","mm6") 570 "pcmpeqw %%mm7, %%mm7 \n\t" 571 "pcmpeqw %%mm5, %%mm5 \n\t" 572 "psllw $15, %%mm7 \n\t" 573 "psrlw $13, %%mm5 \n\t" 574 "paddw %%mm7, %%mm5 \n\t" 575 snow_vertical_compose_r2r_add("mm5","mm5","mm5","mm5","mm0","mm2","mm4","mm6") 576 "movq (%2,%%"FF_REG_d"), %%mm1 \n\t" 577 "movq 8(%2,%%"FF_REG_d"), %%mm3 \n\t" 578 "paddw %%mm7, %%mm1 \n\t" 579 "paddw %%mm7, %%mm3 \n\t" 580 "pavgw %%mm1, %%mm0 \n\t" 581 "pavgw %%mm3, %%mm2 \n\t" 582 "movq 16(%2,%%"FF_REG_d"), %%mm1 \n\t" 583 "movq 24(%2,%%"FF_REG_d"), %%mm3 \n\t" 584 "paddw %%mm7, %%mm1 \n\t" 585 "paddw %%mm7, %%mm3 \n\t" 586 "pavgw %%mm1, %%mm4 \n\t" 587 "pavgw %%mm3, %%mm6 \n\t" 588 snow_vertical_compose_r2r_sub("mm7","mm7","mm7","mm7","mm0","mm2","mm4","mm6") 589 snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6") 590 snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6") 591 592 snow_vertical_compose_sra("2","mm0","mm2","mm4","mm6") 593 snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6") 594 snow_vertical_compose_mmx_store("%3","mm0","mm2","mm4","mm6") 595 snow_vertical_compose_mmx_add("%1","mm0","mm2","mm4","mm6") 596 snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") 597 snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6") 598 snow_vertical_compose_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") 599 snow_vertical_compose_mmx_add("%2","mm0","mm2","mm4","mm6") 600 snow_vertical_compose_mmx_store("%2","mm0","mm2","mm4","mm6") 601 602 "2: \n\t" 603 "sub $32, %%"FF_REG_d" \n\t" 604 "jge 1b \n\t" 605 :"+d"(i) 606 :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5)); 607} 608#endif //HAVE_7REGS 609 610#if HAVE_6REGS 611#define snow_inner_add_yblock_sse2_header \ 612 IDWTELEM * * dst_array = sb->line + src_y;\ 613 x86_reg tmp;\ 614 __asm__ volatile(\ 615 "mov %7, %%"FF_REG_c" \n\t"\ 616 "mov %6, %2 \n\t"\ 617 "mov %4, %%"FF_REG_S" \n\t"\ 618 "pxor %%xmm7, %%xmm7 \n\t" /* 0 */\ 619 "pcmpeqd %%xmm3, %%xmm3 \n\t"\ 620 "psllw $15, %%xmm3 \n\t"\ 621 "psrlw $12, %%xmm3 \n\t" /* FRAC_BITS >> 1 */\ 622 "1: \n\t"\ 623 "mov %1, %%"FF_REG_D" \n\t"\ 624 "mov (%%"FF_REG_D"), %%"FF_REG_D" \n\t"\ 625 "add %3, %%"FF_REG_D" \n\t" 626 627#define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\ 628 "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\ 629 "movq (%%"FF_REG_d"), %%"out_reg1" \n\t"\ 630 "movq (%%"FF_REG_d", %%"FF_REG_c"), %%"out_reg2" \n\t"\ 631 "punpcklbw %%xmm7, %%"out_reg1" \n\t"\ 632 "punpcklbw %%xmm7, %%"out_reg2" \n\t"\ 633 "movq "s_offset"(%%"FF_REG_S"), %%xmm0 \n\t"\ 634 "movq "s_offset"+16(%%"FF_REG_S"), %%xmm4 \n\t"\ 635 "punpcklbw %%xmm7, %%xmm0 \n\t"\ 636 "punpcklbw %%xmm7, %%xmm4 \n\t"\ 637 "pmullw %%xmm0, %%"out_reg1" \n\t"\ 638 "pmullw %%xmm4, %%"out_reg2" \n\t" 639 640#define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\ 641 "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\ 642 "movq (%%"FF_REG_d"), %%"out_reg1" \n\t"\ 643 "movq 8(%%"FF_REG_d"), %%"out_reg2" \n\t"\ 644 "punpcklbw %%xmm7, %%"out_reg1" \n\t"\ 645 "punpcklbw %%xmm7, %%"out_reg2" \n\t"\ 646 "movq "s_offset"(%%"FF_REG_S"), %%xmm0 \n\t"\ 647 "movq "s_offset"+8(%%"FF_REG_S"), %%xmm4 \n\t"\ 648 "punpcklbw %%xmm7, %%xmm0 \n\t"\ 649 "punpcklbw %%xmm7, %%xmm4 \n\t"\ 650 "pmullw %%xmm0, %%"out_reg1" \n\t"\ 651 "pmullw %%xmm4, %%"out_reg2" \n\t" 652 653#define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \ 654 snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\ 655 "paddusw %%xmm2, %%xmm1 \n\t"\ 656 "paddusw %%xmm6, %%xmm5 \n\t" 657 658#define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \ 659 snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\ 660 "paddusw %%xmm2, %%xmm1 \n\t"\ 661 "paddusw %%xmm6, %%xmm5 \n\t" 662 663#define snow_inner_add_yblock_sse2_end_common1\ 664 "add $32, %%"FF_REG_S" \n\t"\ 665 "add %%"FF_REG_c", %0 \n\t"\ 666 "add %%"FF_REG_c", "FF_PTR_SIZE"*3(%%"FF_REG_a"); \n\t"\ 667 "add %%"FF_REG_c", "FF_PTR_SIZE"*2(%%"FF_REG_a"); \n\t"\ 668 "add %%"FF_REG_c", "FF_PTR_SIZE"*1(%%"FF_REG_a"); \n\t"\ 669 "add %%"FF_REG_c", (%%"FF_REG_a") \n\t" 670 671#define snow_inner_add_yblock_sse2_end_common2\ 672 "jnz 1b \n\t"\ 673 :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\ 674 :\ 675 "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\ 676 XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", )\ 677 "%"FF_REG_c"","%"FF_REG_S"","%"FF_REG_D"","%"FF_REG_d""); 678 679#define snow_inner_add_yblock_sse2_end_8\ 680 "sal $1, %%"FF_REG_c" \n\t"\ 681 "add"FF_OPSIZE" $"FF_PTR_SIZE"*2, %1 \n\t"\ 682 snow_inner_add_yblock_sse2_end_common1\ 683 "sar $1, %%"FF_REG_c" \n\t"\ 684 "sub $2, %2 \n\t"\ 685 snow_inner_add_yblock_sse2_end_common2 686 687#define snow_inner_add_yblock_sse2_end_16\ 688 "add"FF_OPSIZE" $"FF_PTR_SIZE"*1, %1 \n\t"\ 689 snow_inner_add_yblock_sse2_end_common1\ 690 "dec %2 \n\t"\ 691 snow_inner_add_yblock_sse2_end_common2 692 693static 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, 694 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 695snow_inner_add_yblock_sse2_header 696snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0") 697snow_inner_add_yblock_sse2_accum_8("2", "8") 698snow_inner_add_yblock_sse2_accum_8("1", "128") 699snow_inner_add_yblock_sse2_accum_8("0", "136") 700 701 "mov %0, %%"FF_REG_d" \n\t" 702 "movdqa (%%"FF_REG_D"), %%xmm0 \n\t" 703 "movdqa %%xmm1, %%xmm2 \n\t" 704 705 "punpckhwd %%xmm7, %%xmm1 \n\t" 706 "punpcklwd %%xmm7, %%xmm2 \n\t" 707 "paddd %%xmm2, %%xmm0 \n\t" 708 "movdqa 16(%%"FF_REG_D"), %%xmm2\n\t" 709 "paddd %%xmm1, %%xmm2 \n\t" 710 "paddd %%xmm3, %%xmm0 \n\t" 711 "paddd %%xmm3, %%xmm2 \n\t" 712 713 "mov %1, %%"FF_REG_D" \n\t" 714 "mov "FF_PTR_SIZE"(%%"FF_REG_D"), %%"FF_REG_D"; \n\t" 715 "add %3, %%"FF_REG_D" \n\t" 716 717 "movdqa (%%"FF_REG_D"), %%xmm4 \n\t" 718 "movdqa %%xmm5, %%xmm6 \n\t" 719 "punpckhwd %%xmm7, %%xmm5 \n\t" 720 "punpcklwd %%xmm7, %%xmm6 \n\t" 721 "paddd %%xmm6, %%xmm4 \n\t" 722 "movdqa 16(%%"FF_REG_D"), %%xmm6\n\t" 723 "paddd %%xmm5, %%xmm6 \n\t" 724 "paddd %%xmm3, %%xmm4 \n\t" 725 "paddd %%xmm3, %%xmm6 \n\t" 726 727 "psrad $8, %%xmm0 \n\t" /* FRAC_BITS. */ 728 "psrad $8, %%xmm2 \n\t" /* FRAC_BITS. */ 729 "packssdw %%xmm2, %%xmm0 \n\t" 730 "packuswb %%xmm7, %%xmm0 \n\t" 731 "movq %%xmm0, (%%"FF_REG_d") \n\t" 732 733 "psrad $8, %%xmm4 \n\t" /* FRAC_BITS. */ 734 "psrad $8, %%xmm6 \n\t" /* FRAC_BITS. */ 735 "packssdw %%xmm6, %%xmm4 \n\t" 736 "packuswb %%xmm7, %%xmm4 \n\t" 737 "movq %%xmm4, (%%"FF_REG_d",%%"FF_REG_c"); \n\t" 738snow_inner_add_yblock_sse2_end_8 739} 740 741static 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, 742 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 743snow_inner_add_yblock_sse2_header 744snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0") 745snow_inner_add_yblock_sse2_accum_16("2", "16") 746snow_inner_add_yblock_sse2_accum_16("1", "512") 747snow_inner_add_yblock_sse2_accum_16("0", "528") 748 749 "mov %0, %%"FF_REG_d" \n\t" 750 "psrlw $4, %%xmm1 \n\t" 751 "psrlw $4, %%xmm5 \n\t" 752 "paddw (%%"FF_REG_D"), %%xmm1 \n\t" 753 "paddw 16(%%"FF_REG_D"), %%xmm5 \n\t" 754 "paddw %%xmm3, %%xmm1 \n\t" 755 "paddw %%xmm3, %%xmm5 \n\t" 756 "psraw $4, %%xmm1 \n\t" /* FRAC_BITS. */ 757 "psraw $4, %%xmm5 \n\t" /* FRAC_BITS. */ 758 "packuswb %%xmm5, %%xmm1 \n\t" 759 760 "movdqu %%xmm1, (%%"FF_REG_d") \n\t" 761 762snow_inner_add_yblock_sse2_end_16 763} 764 765#define snow_inner_add_yblock_mmx_header \ 766 IDWTELEM * * dst_array = sb->line + src_y;\ 767 x86_reg tmp;\ 768 __asm__ volatile(\ 769 "mov %7, %%"FF_REG_c" \n\t"\ 770 "mov %6, %2 \n\t"\ 771 "mov %4, %%"FF_REG_S" \n\t"\ 772 "pxor %%mm7, %%mm7 \n\t" /* 0 */\ 773 "pcmpeqd %%mm3, %%mm3 \n\t"\ 774 "psllw $15, %%mm3 \n\t"\ 775 "psrlw $12, %%mm3 \n\t" /* FRAC_BITS >> 1 */\ 776 "1: \n\t"\ 777 "mov %1, %%"FF_REG_D" \n\t"\ 778 "mov (%%"FF_REG_D"), %%"FF_REG_D" \n\t"\ 779 "add %3, %%"FF_REG_D" \n\t" 780 781#define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\ 782 "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\ 783 "movd "d_offset"(%%"FF_REG_d"), %%"out_reg1" \n\t"\ 784 "movd "d_offset"+4(%%"FF_REG_d"), %%"out_reg2" \n\t"\ 785 "punpcklbw %%mm7, %%"out_reg1" \n\t"\ 786 "punpcklbw %%mm7, %%"out_reg2" \n\t"\ 787 "movd "s_offset"(%%"FF_REG_S"), %%mm0 \n\t"\ 788 "movd "s_offset"+4(%%"FF_REG_S"), %%mm4 \n\t"\ 789 "punpcklbw %%mm7, %%mm0 \n\t"\ 790 "punpcklbw %%mm7, %%mm4 \n\t"\ 791 "pmullw %%mm0, %%"out_reg1" \n\t"\ 792 "pmullw %%mm4, %%"out_reg2" \n\t" 793 794#define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \ 795 snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\ 796 "paddusw %%mm2, %%mm1 \n\t"\ 797 "paddusw %%mm6, %%mm5 \n\t" 798 799#define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\ 800 "mov %0, %%"FF_REG_d" \n\t"\ 801 "psrlw $4, %%mm1 \n\t"\ 802 "psrlw $4, %%mm5 \n\t"\ 803 "paddw "read_offset"(%%"FF_REG_D"), %%mm1 \n\t"\ 804 "paddw "read_offset"+8(%%"FF_REG_D"), %%mm5 \n\t"\ 805 "paddw %%mm3, %%mm1 \n\t"\ 806 "paddw %%mm3, %%mm5 \n\t"\ 807 "psraw $4, %%mm1 \n\t"\ 808 "psraw $4, %%mm5 \n\t"\ 809 "packuswb %%mm5, %%mm1 \n\t"\ 810 "movq %%mm1, "write_offset"(%%"FF_REG_d") \n\t" 811 812#define snow_inner_add_yblock_mmx_end(s_step)\ 813 "add $"s_step", %%"FF_REG_S" \n\t"\ 814 "add %%"FF_REG_c", "FF_PTR_SIZE"*3(%%"FF_REG_a"); \n\t"\ 815 "add %%"FF_REG_c", "FF_PTR_SIZE"*2(%%"FF_REG_a"); \n\t"\ 816 "add %%"FF_REG_c", "FF_PTR_SIZE"*1(%%"FF_REG_a"); \n\t"\ 817 "add %%"FF_REG_c", (%%"FF_REG_a") \n\t"\ 818 "add"FF_OPSIZE " $"FF_PTR_SIZE"*1, %1 \n\t"\ 819 "add %%"FF_REG_c", %0 \n\t"\ 820 "dec %2 \n\t"\ 821 "jnz 1b \n\t"\ 822 :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\ 823 :\ 824 "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\ 825 "%"FF_REG_c"","%"FF_REG_S"","%"FF_REG_D"","%"FF_REG_d""); 826 827static 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, 828 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 829snow_inner_add_yblock_mmx_header 830snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0") 831snow_inner_add_yblock_mmx_accum("2", "8", "0") 832snow_inner_add_yblock_mmx_accum("1", "128", "0") 833snow_inner_add_yblock_mmx_accum("0", "136", "0") 834snow_inner_add_yblock_mmx_mix("0", "0") 835snow_inner_add_yblock_mmx_end("16") 836} 837 838static 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, 839 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 840snow_inner_add_yblock_mmx_header 841snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0") 842snow_inner_add_yblock_mmx_accum("2", "16", "0") 843snow_inner_add_yblock_mmx_accum("1", "512", "0") 844snow_inner_add_yblock_mmx_accum("0", "528", "0") 845snow_inner_add_yblock_mmx_mix("0", "0") 846 847snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8") 848snow_inner_add_yblock_mmx_accum("2", "24", "8") 849snow_inner_add_yblock_mmx_accum("1", "520", "8") 850snow_inner_add_yblock_mmx_accum("0", "536", "8") 851snow_inner_add_yblock_mmx_mix("16", "8") 852snow_inner_add_yblock_mmx_end("32") 853} 854 855static void ff_snow_inner_add_yblock_sse2(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, 856 int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 857 858 if (b_w == 16) 859 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); 860 else if (b_w == 8 && obmc_stride == 16) { 861 if (!(b_h & 1)) 862 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); 863 else 864 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); 865 } else 866 ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 867} 868 869static void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, 870 int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ 871 if (b_w == 16) 872 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); 873 else if (b_w == 8 && obmc_stride == 16) 874 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); 875 else 876 ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); 877} 878#endif /* HAVE_6REGS */ 879 880#endif /* HAVE_INLINE_ASM */ 881 882av_cold void ff_dwt_init_x86(SnowDWTContext *c) 883{ 884#if HAVE_INLINE_ASM 885 int mm_flags = av_get_cpu_flags(); 886 887 if (mm_flags & AV_CPU_FLAG_MMX) { 888 if(mm_flags & AV_CPU_FLAG_SSE2 & 0){ 889 c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2; 890#if HAVE_7REGS 891 c->vertical_compose97i = ff_snow_vertical_compose97i_sse2; 892#endif 893#if HAVE_6REGS 894 c->inner_add_yblock = ff_snow_inner_add_yblock_sse2; 895#endif 896 } 897 else{ 898 if (mm_flags & AV_CPU_FLAG_MMXEXT) { 899 c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx; 900#if HAVE_7REGS 901 c->vertical_compose97i = ff_snow_vertical_compose97i_mmx; 902#endif 903 } 904#if HAVE_6REGS 905 c->inner_add_yblock = ff_snow_inner_add_yblock_mmx; 906#endif 907 } 908 } 909#endif /* HAVE_INLINE_ASM */ 910} 911