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