1/* 2 * MMX optimized forward DCT 3 * The gcc porting is Copyright (c) 2001 Fabrice Bellard. 4 * cleanup/optimizations are Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> 5 * SSE2 optimization is Copyright (c) 2004 Denes Balatoni. 6 * 7 * from fdctam32.c - AP922 MMX(3D-Now) forward-DCT 8 * 9 * Intel Application Note AP-922 - fast, precise implementation of DCT 10 * http://developer.intel.com/vtune/cbts/appnotes.htm 11 * 12 * Also of inspiration: 13 * a page about fdct at http://www.geocities.com/ssavekar/dct.htm 14 * Skal's fdct at http://skal.planet-d.net/coding/dct.html 15 * 16 * This file is part of FFmpeg. 17 * 18 * FFmpeg is free software; you can redistribute it and/or 19 * modify it under the terms of the GNU Lesser General Public 20 * License as published by the Free Software Foundation; either 21 * version 2.1 of the License, or (at your option) any later version. 22 * 23 * FFmpeg is distributed in the hope that it will be useful, 24 * but WITHOUT ANY WARRANTY; without even the implied warranty of 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 26 * Lesser General Public License for more details. 27 * 28 * You should have received a copy of the GNU Lesser General Public 29 * License along with FFmpeg; if not, write to the Free Software 30 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 31 */ 32 33#include "libavutil/common.h" 34#include "libavcodec/dsputil.h" 35 36#define ATTR_ALIGN(align) __attribute__ ((__aligned__ (align))) 37 38////////////////////////////////////////////////////////////////////// 39// 40// constants for the forward DCT 41// ----------------------------- 42// 43// Be sure to check that your compiler is aligning all constants to QWORD 44// (8-byte) memory boundaries! Otherwise the unaligned memory access will 45// severely stall MMX execution. 46// 47////////////////////////////////////////////////////////////////////// 48 49#define BITS_FRW_ACC 3 //; 2 or 3 for accuracy 50#define SHIFT_FRW_COL BITS_FRW_ACC 51#define SHIFT_FRW_ROW (BITS_FRW_ACC + 17 - 3) 52#define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1)) 53//#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1)) 54 55#define X8(x) x,x,x,x,x,x,x,x 56 57//concatenated table, for forward DCT transformation 58static const int16_t fdct_tg_all_16[24] ATTR_ALIGN(16) = { 59 X8(13036), // tg * (2<<16) + 0.5 60 X8(27146), // tg * (2<<16) + 0.5 61 X8(-21746) // tg * (2<<16) + 0.5 62}; 63 64static const int16_t ocos_4_16[8] ATTR_ALIGN(16) = { 65 X8(23170) //cos * (2<<15) + 0.5 66}; 67 68static const int16_t fdct_one_corr[8] ATTR_ALIGN(16) = { X8(1) }; 69 70static const int32_t fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW }; 71 72static struct 73{ 74 const int32_t fdct_r_row_sse2[4] ATTR_ALIGN(16); 75} fdct_r_row_sse2 ATTR_ALIGN(16)= 76{{ 77 RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW 78}}; 79//static const long fdct_r_row_sse2[4] ATTR_ALIGN(16) = {RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW}; 80 81static const int16_t tab_frw_01234567[] ATTR_ALIGN(8) = { // forward_dct coeff table 82 16384, 16384, 22725, 19266, 83 16384, 16384, 12873, 4520, 84 21407, 8867, 19266, -4520, 85 -8867, -21407, -22725, -12873, 86 16384, -16384, 12873, -22725, 87 -16384, 16384, 4520, 19266, 88 8867, -21407, 4520, -12873, 89 21407, -8867, 19266, -22725, 90 91 22725, 22725, 31521, 26722, 92 22725, 22725, 17855, 6270, 93 29692, 12299, 26722, -6270, 94 -12299, -29692, -31521, -17855, 95 22725, -22725, 17855, -31521, 96 -22725, 22725, 6270, 26722, 97 12299, -29692, 6270, -17855, 98 29692, -12299, 26722, -31521, 99 100 21407, 21407, 29692, 25172, 101 21407, 21407, 16819, 5906, 102 27969, 11585, 25172, -5906, 103 -11585, -27969, -29692, -16819, 104 21407, -21407, 16819, -29692, 105 -21407, 21407, 5906, 25172, 106 11585, -27969, 5906, -16819, 107 27969, -11585, 25172, -29692, 108 109 19266, 19266, 26722, 22654, 110 19266, 19266, 15137, 5315, 111 25172, 10426, 22654, -5315, 112 -10426, -25172, -26722, -15137, 113 19266, -19266, 15137, -26722, 114 -19266, 19266, 5315, 22654, 115 10426, -25172, 5315, -15137, 116 25172, -10426, 22654, -26722, 117 118 16384, 16384, 22725, 19266, 119 16384, 16384, 12873, 4520, 120 21407, 8867, 19266, -4520, 121 -8867, -21407, -22725, -12873, 122 16384, -16384, 12873, -22725, 123 -16384, 16384, 4520, 19266, 124 8867, -21407, 4520, -12873, 125 21407, -8867, 19266, -22725, 126 127 19266, 19266, 26722, 22654, 128 19266, 19266, 15137, 5315, 129 25172, 10426, 22654, -5315, 130 -10426, -25172, -26722, -15137, 131 19266, -19266, 15137, -26722, 132 -19266, 19266, 5315, 22654, 133 10426, -25172, 5315, -15137, 134 25172, -10426, 22654, -26722, 135 136 21407, 21407, 29692, 25172, 137 21407, 21407, 16819, 5906, 138 27969, 11585, 25172, -5906, 139 -11585, -27969, -29692, -16819, 140 21407, -21407, 16819, -29692, 141 -21407, 21407, 5906, 25172, 142 11585, -27969, 5906, -16819, 143 27969, -11585, 25172, -29692, 144 145 22725, 22725, 31521, 26722, 146 22725, 22725, 17855, 6270, 147 29692, 12299, 26722, -6270, 148 -12299, -29692, -31521, -17855, 149 22725, -22725, 17855, -31521, 150 -22725, 22725, 6270, 26722, 151 12299, -29692, 6270, -17855, 152 29692, -12299, 26722, -31521, 153}; 154 155static struct 156{ 157 const int16_t tab_frw_01234567_sse2[256] ATTR_ALIGN(16); 158} tab_frw_01234567_sse2 ATTR_ALIGN(16) = 159{{ 160//static const int16_t tab_frw_01234567_sse2[] ATTR_ALIGN(16) = { // forward_dct coeff table 161#define TABLE_SSE2 C4, C4, C1, C3, -C6, -C2, -C1, -C5, \ 162 C4, C4, C5, C7, C2, C6, C3, -C7, \ 163 -C4, C4, C7, C3, C6, -C2, C7, -C5, \ 164 C4, -C4, C5, -C1, C2, -C6, C3, -C1, 165// c1..c7 * cos(pi/4) * 2^15 166#define C1 22725 167#define C2 21407 168#define C3 19266 169#define C4 16384 170#define C5 12873 171#define C6 8867 172#define C7 4520 173TABLE_SSE2 174 175#undef C1 176#undef C2 177#undef C3 178#undef C4 179#undef C5 180#undef C6 181#undef C7 182#define C1 31521 183#define C2 29692 184#define C3 26722 185#define C4 22725 186#define C5 17855 187#define C6 12299 188#define C7 6270 189TABLE_SSE2 190 191#undef C1 192#undef C2 193#undef C3 194#undef C4 195#undef C5 196#undef C6 197#undef C7 198#define C1 29692 199#define C2 27969 200#define C3 25172 201#define C4 21407 202#define C5 16819 203#define C6 11585 204#define C7 5906 205TABLE_SSE2 206 207#undef C1 208#undef C2 209#undef C3 210#undef C4 211#undef C5 212#undef C6 213#undef C7 214#define C1 26722 215#define C2 25172 216#define C3 22654 217#define C4 19266 218#define C5 15137 219#define C6 10426 220#define C7 5315 221TABLE_SSE2 222 223#undef C1 224#undef C2 225#undef C3 226#undef C4 227#undef C5 228#undef C6 229#undef C7 230#define C1 22725 231#define C2 21407 232#define C3 19266 233#define C4 16384 234#define C5 12873 235#define C6 8867 236#define C7 4520 237TABLE_SSE2 238 239#undef C1 240#undef C2 241#undef C3 242#undef C4 243#undef C5 244#undef C6 245#undef C7 246#define C1 26722 247#define C2 25172 248#define C3 22654 249#define C4 19266 250#define C5 15137 251#define C6 10426 252#define C7 5315 253TABLE_SSE2 254 255#undef C1 256#undef C2 257#undef C3 258#undef C4 259#undef C5 260#undef C6 261#undef C7 262#define C1 29692 263#define C2 27969 264#define C3 25172 265#define C4 21407 266#define C5 16819 267#define C6 11585 268#define C7 5906 269TABLE_SSE2 270 271#undef C1 272#undef C2 273#undef C3 274#undef C4 275#undef C5 276#undef C6 277#undef C7 278#define C1 31521 279#define C2 29692 280#define C3 26722 281#define C4 22725 282#define C5 17855 283#define C6 12299 284#define C7 6270 285TABLE_SSE2 286}}; 287 288#define S(s) AV_TOSTRING(s) //AV_STRINGIFY is too long 289 290#define FDCT_COL(cpu, mm, mov)\ 291static av_always_inline void fdct_col_##cpu(const int16_t *in, int16_t *out, int offset)\ 292{\ 293 __asm__ volatile (\ 294 #mov" 16(%0), %%"#mm"0 \n\t" \ 295 #mov" 96(%0), %%"#mm"1 \n\t" \ 296 #mov" %%"#mm"0, %%"#mm"2 \n\t" \ 297 #mov" 32(%0), %%"#mm"3 \n\t" \ 298 "paddsw %%"#mm"1, %%"#mm"0 \n\t" \ 299 #mov" 80(%0), %%"#mm"4 \n\t" \ 300 "psllw $"S(SHIFT_FRW_COL)", %%"#mm"0 \n\t" \ 301 #mov" (%0), %%"#mm"5 \n\t" \ 302 "paddsw %%"#mm"3, %%"#mm"4 \n\t" \ 303 "paddsw 112(%0), %%"#mm"5 \n\t" \ 304 "psllw $"S(SHIFT_FRW_COL)", %%"#mm"4 \n\t" \ 305 #mov" %%"#mm"0, %%"#mm"6 \n\t" \ 306 "psubsw %%"#mm"1, %%"#mm"2 \n\t" \ 307 #mov" 16(%1), %%"#mm"1 \n\t" \ 308 "psubsw %%"#mm"4, %%"#mm"0 \n\t" \ 309 #mov" 48(%0), %%"#mm"7 \n\t" \ 310 "pmulhw %%"#mm"0, %%"#mm"1 \n\t" \ 311 "paddsw 64(%0), %%"#mm"7 \n\t" \ 312 "psllw $"S(SHIFT_FRW_COL)", %%"#mm"5 \n\t" \ 313 "paddsw %%"#mm"4, %%"#mm"6 \n\t" \ 314 "psllw $"S(SHIFT_FRW_COL)", %%"#mm"7 \n\t" \ 315 #mov" %%"#mm"5, %%"#mm"4 \n\t" \ 316 "psubsw %%"#mm"7, %%"#mm"5 \n\t" \ 317 "paddsw %%"#mm"5, %%"#mm"1 \n\t" \ 318 "paddsw %%"#mm"7, %%"#mm"4 \n\t" \ 319 "por (%2), %%"#mm"1 \n\t" \ 320 "psllw $"S(SHIFT_FRW_COL)"+1, %%"#mm"2 \n\t" \ 321 "pmulhw 16(%1), %%"#mm"5 \n\t" \ 322 #mov" %%"#mm"4, %%"#mm"7 \n\t" \ 323 "psubsw 80(%0), %%"#mm"3 \n\t" \ 324 "psubsw %%"#mm"6, %%"#mm"4 \n\t" \ 325 #mov" %%"#mm"1, 32(%3) \n\t" \ 326 "paddsw %%"#mm"6, %%"#mm"7 \n\t" \ 327 #mov" 48(%0), %%"#mm"1 \n\t" \ 328 "psllw $"S(SHIFT_FRW_COL)"+1, %%"#mm"3 \n\t" \ 329 "psubsw 64(%0), %%"#mm"1 \n\t" \ 330 #mov" %%"#mm"2, %%"#mm"6 \n\t" \ 331 #mov" %%"#mm"4, 64(%3) \n\t" \ 332 "paddsw %%"#mm"3, %%"#mm"2 \n\t" \ 333 "pmulhw (%4), %%"#mm"2 \n\t" \ 334 "psubsw %%"#mm"3, %%"#mm"6 \n\t" \ 335 "pmulhw (%4), %%"#mm"6 \n\t" \ 336 "psubsw %%"#mm"0, %%"#mm"5 \n\t" \ 337 "por (%2), %%"#mm"5 \n\t" \ 338 "psllw $"S(SHIFT_FRW_COL)", %%"#mm"1 \n\t" \ 339 "por (%2), %%"#mm"2 \n\t" \ 340 #mov" %%"#mm"1, %%"#mm"4 \n\t" \ 341 #mov" (%0), %%"#mm"3 \n\t" \ 342 "paddsw %%"#mm"6, %%"#mm"1 \n\t" \ 343 "psubsw 112(%0), %%"#mm"3 \n\t" \ 344 "psubsw %%"#mm"6, %%"#mm"4 \n\t" \ 345 #mov" (%1), %%"#mm"0 \n\t" \ 346 "psllw $"S(SHIFT_FRW_COL)", %%"#mm"3 \n\t" \ 347 #mov" 32(%1), %%"#mm"6 \n\t" \ 348 "pmulhw %%"#mm"1, %%"#mm"0 \n\t" \ 349 #mov" %%"#mm"7, (%3) \n\t" \ 350 "pmulhw %%"#mm"4, %%"#mm"6 \n\t" \ 351 #mov" %%"#mm"5, 96(%3) \n\t" \ 352 #mov" %%"#mm"3, %%"#mm"7 \n\t" \ 353 #mov" 32(%1), %%"#mm"5 \n\t" \ 354 "psubsw %%"#mm"2, %%"#mm"7 \n\t" \ 355 "paddsw %%"#mm"2, %%"#mm"3 \n\t" \ 356 "pmulhw %%"#mm"7, %%"#mm"5 \n\t" \ 357 "paddsw %%"#mm"3, %%"#mm"0 \n\t" \ 358 "paddsw %%"#mm"4, %%"#mm"6 \n\t" \ 359 "pmulhw (%1), %%"#mm"3 \n\t" \ 360 "por (%2), %%"#mm"0 \n\t" \ 361 "paddsw %%"#mm"7, %%"#mm"5 \n\t" \ 362 "psubsw %%"#mm"6, %%"#mm"7 \n\t" \ 363 #mov" %%"#mm"0, 16(%3) \n\t" \ 364 "paddsw %%"#mm"4, %%"#mm"5 \n\t" \ 365 #mov" %%"#mm"7, 48(%3) \n\t" \ 366 "psubsw %%"#mm"1, %%"#mm"3 \n\t" \ 367 #mov" %%"#mm"5, 80(%3) \n\t" \ 368 #mov" %%"#mm"3, 112(%3) \n\t" \ 369 : \ 370 : "r" (in + offset), "r" (fdct_tg_all_16), "r" (fdct_one_corr), \ 371 "r" (out + offset), "r" (ocos_4_16)); \ 372} 373 374FDCT_COL(mmx, mm, movq) 375FDCT_COL(sse2, xmm, movdqa) 376 377static av_always_inline void fdct_row_sse2(const int16_t *in, int16_t *out) 378{ 379 __asm__ volatile( 380#define FDCT_ROW_SSE2_H1(i,t) \ 381 "movq " #i "(%0), %%xmm2 \n\t" \ 382 "movq " #i "+8(%0), %%xmm0 \n\t" \ 383 "movdqa " #t "+32(%1), %%xmm3 \n\t" \ 384 "movdqa " #t "+48(%1), %%xmm7 \n\t" \ 385 "movdqa " #t "(%1), %%xmm4 \n\t" \ 386 "movdqa " #t "+16(%1), %%xmm5 \n\t" 387 388#define FDCT_ROW_SSE2_H2(i,t) \ 389 "movq " #i "(%0), %%xmm2 \n\t" \ 390 "movq " #i "+8(%0), %%xmm0 \n\t" \ 391 "movdqa " #t "+32(%1), %%xmm3 \n\t" \ 392 "movdqa " #t "+48(%1), %%xmm7 \n\t" 393 394#define FDCT_ROW_SSE2(i) \ 395 "movq %%xmm2, %%xmm1 \n\t" \ 396 "pshuflw $27, %%xmm0, %%xmm0 \n\t" \ 397 "paddsw %%xmm0, %%xmm1 \n\t" \ 398 "psubsw %%xmm0, %%xmm2 \n\t" \ 399 "punpckldq %%xmm2, %%xmm1 \n\t" \ 400 "pshufd $78, %%xmm1, %%xmm2 \n\t" \ 401 "pmaddwd %%xmm2, %%xmm3 \n\t" \ 402 "pmaddwd %%xmm1, %%xmm7 \n\t" \ 403 "pmaddwd %%xmm5, %%xmm2 \n\t" \ 404 "pmaddwd %%xmm4, %%xmm1 \n\t" \ 405 "paddd %%xmm7, %%xmm3 \n\t" \ 406 "paddd %%xmm2, %%xmm1 \n\t" \ 407 "paddd %%xmm6, %%xmm3 \n\t" \ 408 "paddd %%xmm6, %%xmm1 \n\t" \ 409 "psrad %3, %%xmm3 \n\t" \ 410 "psrad %3, %%xmm1 \n\t" \ 411 "packssdw %%xmm3, %%xmm1 \n\t" \ 412 "movdqa %%xmm1, " #i "(%4) \n\t" 413 414 "movdqa (%2), %%xmm6 \n\t" 415 FDCT_ROW_SSE2_H1(0,0) 416 FDCT_ROW_SSE2(0) 417 FDCT_ROW_SSE2_H2(64,0) 418 FDCT_ROW_SSE2(64) 419 420 FDCT_ROW_SSE2_H1(16,64) 421 FDCT_ROW_SSE2(16) 422 FDCT_ROW_SSE2_H2(112,64) 423 FDCT_ROW_SSE2(112) 424 425 FDCT_ROW_SSE2_H1(32,128) 426 FDCT_ROW_SSE2(32) 427 FDCT_ROW_SSE2_H2(96,128) 428 FDCT_ROW_SSE2(96) 429 430 FDCT_ROW_SSE2_H1(48,192) 431 FDCT_ROW_SSE2(48) 432 FDCT_ROW_SSE2_H2(80,192) 433 FDCT_ROW_SSE2(80) 434 : 435 : "r" (in), "r" (tab_frw_01234567_sse2.tab_frw_01234567_sse2), "r" (fdct_r_row_sse2.fdct_r_row_sse2), "i" (SHIFT_FRW_ROW), "r" (out) 436 ); 437} 438 439static av_always_inline void fdct_row_mmx2(const int16_t *in, int16_t *out, const int16_t *table) 440{ 441 __asm__ volatile ( 442 "pshufw $0x1B, 8(%0), %%mm5 \n\t" 443 "movq (%0), %%mm0 \n\t" 444 "movq %%mm0, %%mm1 \n\t" 445 "paddsw %%mm5, %%mm0 \n\t" 446 "psubsw %%mm5, %%mm1 \n\t" 447 "movq %%mm0, %%mm2 \n\t" 448 "punpckldq %%mm1, %%mm0 \n\t" 449 "punpckhdq %%mm1, %%mm2 \n\t" 450 "movq (%1), %%mm1 \n\t" 451 "movq 8(%1), %%mm3 \n\t" 452 "movq 16(%1), %%mm4 \n\t" 453 "movq 24(%1), %%mm5 \n\t" 454 "movq 32(%1), %%mm6 \n\t" 455 "movq 40(%1), %%mm7 \n\t" 456 "pmaddwd %%mm0, %%mm1 \n\t" 457 "pmaddwd %%mm2, %%mm3 \n\t" 458 "pmaddwd %%mm0, %%mm4 \n\t" 459 "pmaddwd %%mm2, %%mm5 \n\t" 460 "pmaddwd %%mm0, %%mm6 \n\t" 461 "pmaddwd %%mm2, %%mm7 \n\t" 462 "pmaddwd 48(%1), %%mm0 \n\t" 463 "pmaddwd 56(%1), %%mm2 \n\t" 464 "paddd %%mm1, %%mm3 \n\t" 465 "paddd %%mm4, %%mm5 \n\t" 466 "paddd %%mm6, %%mm7 \n\t" 467 "paddd %%mm0, %%mm2 \n\t" 468 "movq (%2), %%mm0 \n\t" 469 "paddd %%mm0, %%mm3 \n\t" 470 "paddd %%mm0, %%mm5 \n\t" 471 "paddd %%mm0, %%mm7 \n\t" 472 "paddd %%mm0, %%mm2 \n\t" 473 "psrad $"S(SHIFT_FRW_ROW)", %%mm3 \n\t" 474 "psrad $"S(SHIFT_FRW_ROW)", %%mm5 \n\t" 475 "psrad $"S(SHIFT_FRW_ROW)", %%mm7 \n\t" 476 "psrad $"S(SHIFT_FRW_ROW)", %%mm2 \n\t" 477 "packssdw %%mm5, %%mm3 \n\t" 478 "packssdw %%mm2, %%mm7 \n\t" 479 "movq %%mm3, (%3) \n\t" 480 "movq %%mm7, 8(%3) \n\t" 481 : 482 : "r" (in), "r" (table), "r" (fdct_r_row), "r" (out)); 483} 484 485static av_always_inline void fdct_row_mmx(const int16_t *in, int16_t *out, const int16_t *table) 486{ 487 //FIXME reorder (I do not have an old MMX-only CPU here to benchmark ...) 488 __asm__ volatile( 489 "movd 12(%0), %%mm1 \n\t" 490 "punpcklwd 8(%0), %%mm1 \n\t" 491 "movq %%mm1, %%mm2 \n\t" 492 "psrlq $0x20, %%mm1 \n\t" 493 "movq 0(%0), %%mm0 \n\t" 494 "punpcklwd %%mm2, %%mm1 \n\t" 495 "movq %%mm0, %%mm5 \n\t" 496 "paddsw %%mm1, %%mm0 \n\t" 497 "psubsw %%mm1, %%mm5 \n\t" 498 "movq %%mm0, %%mm2 \n\t" 499 "punpckldq %%mm5, %%mm0 \n\t" 500 "punpckhdq %%mm5, %%mm2 \n\t" 501 "movq 0(%1), %%mm1 \n\t" 502 "movq 8(%1), %%mm3 \n\t" 503 "movq 16(%1), %%mm4 \n\t" 504 "movq 24(%1), %%mm5 \n\t" 505 "movq 32(%1), %%mm6 \n\t" 506 "movq 40(%1), %%mm7 \n\t" 507 "pmaddwd %%mm0, %%mm1 \n\t" 508 "pmaddwd %%mm2, %%mm3 \n\t" 509 "pmaddwd %%mm0, %%mm4 \n\t" 510 "pmaddwd %%mm2, %%mm5 \n\t" 511 "pmaddwd %%mm0, %%mm6 \n\t" 512 "pmaddwd %%mm2, %%mm7 \n\t" 513 "pmaddwd 48(%1), %%mm0 \n\t" 514 "pmaddwd 56(%1), %%mm2 \n\t" 515 "paddd %%mm1, %%mm3 \n\t" 516 "paddd %%mm4, %%mm5 \n\t" 517 "paddd %%mm6, %%mm7 \n\t" 518 "paddd %%mm0, %%mm2 \n\t" 519 "movq (%2), %%mm0 \n\t" 520 "paddd %%mm0, %%mm3 \n\t" 521 "paddd %%mm0, %%mm5 \n\t" 522 "paddd %%mm0, %%mm7 \n\t" 523 "paddd %%mm0, %%mm2 \n\t" 524 "psrad $"S(SHIFT_FRW_ROW)", %%mm3 \n\t" 525 "psrad $"S(SHIFT_FRW_ROW)", %%mm5 \n\t" 526 "psrad $"S(SHIFT_FRW_ROW)", %%mm7 \n\t" 527 "psrad $"S(SHIFT_FRW_ROW)", %%mm2 \n\t" 528 "packssdw %%mm5, %%mm3 \n\t" 529 "packssdw %%mm2, %%mm7 \n\t" 530 "movq %%mm3, 0(%3) \n\t" 531 "movq %%mm7, 8(%3) \n\t" 532 : 533 : "r" (in), "r" (table), "r" (fdct_r_row), "r" (out)); 534} 535 536void ff_fdct_mmx(int16_t *block) 537{ 538 int64_t align_tmp[16] ATTR_ALIGN(8); 539 int16_t * block1= (int16_t*)align_tmp; 540 const int16_t *table= tab_frw_01234567; 541 int i; 542 543 fdct_col_mmx(block, block1, 0); 544 fdct_col_mmx(block, block1, 4); 545 546 for(i=8;i>0;i--) { 547 fdct_row_mmx(block1, block, table); 548 block1 += 8; 549 table += 32; 550 block += 8; 551 } 552} 553 554void ff_fdct_mmx2(int16_t *block) 555{ 556 int64_t align_tmp[16] ATTR_ALIGN(8); 557 int16_t *block1= (int16_t*)align_tmp; 558 const int16_t *table= tab_frw_01234567; 559 int i; 560 561 fdct_col_mmx(block, block1, 0); 562 fdct_col_mmx(block, block1, 4); 563 564 for(i=8;i>0;i--) { 565 fdct_row_mmx2(block1, block, table); 566 block1 += 8; 567 table += 32; 568 block += 8; 569 } 570} 571 572void ff_fdct_sse2(int16_t *block) 573{ 574 int64_t align_tmp[16] ATTR_ALIGN(16); 575 int16_t * const block1= (int16_t*)align_tmp; 576 577 fdct_col_sse2(block, block1, 0); 578 fdct_row_sse2(block1, block); 579} 580 581