fdct.c 18 KB
Newer Older
1
/*
2
 * SIMD-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 10
 *  Intel Application Note AP-922 - fast, precise implementation of DCT
 *        http://developer.intel.com/vtune/cbts/appnotes.htm
11 12 13 14
 *
 * Also of inspiration:
 * a page about fdct at http://www.geocities.com/ssavekar/dct.htm
 * Skal's fdct at http://skal.planet-d.net/coding/dct.html
15
 *
16 17 18
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
19 20
 * modify it under the terms of the GNU Lesser General Public
 * 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 25 26 27 28
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * 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 "libavutil/x86/asm.h"
35
#include "fdct.h"
36

37
#if HAVE_MMX_INLINE
38

39 40 41 42 43 44 45 46 47 48 49
//////////////////////////////////////////////////////////////////////
//
// constants for the forward DCT
// -----------------------------
//
// Be sure to check that your compiler is aligning all constants to QWORD
// (8-byte) memory boundaries!  Otherwise the unaligned memory access will
// severely stall MMX execution.
//
//////////////////////////////////////////////////////////////////////

50 51 52 53 54
#define BITS_FRW_ACC   3 //; 2 or 3 for accuracy
#define SHIFT_FRW_COL  BITS_FRW_ACC
#define SHIFT_FRW_ROW  (BITS_FRW_ACC + 17 - 3)
#define RND_FRW_ROW    (1 << (SHIFT_FRW_ROW-1))
//#define RND_FRW_COL    (1 << (SHIFT_FRW_COL-1))
55

56 57
#define X8(x) x,x,x,x,x,x,x,x

58
//concatenated table, for forward DCT transformation
59
DECLARE_ALIGNED(16, static const int16_t, fdct_tg_all_16)[24] = {
60 61 62
    X8(13036),  // tg * (2<<16) + 0.5
    X8(27146),  // tg * (2<<16) + 0.5
    X8(-21746)  // tg * (2<<16) + 0.5
63 64
};

65
DECLARE_ALIGNED(16, static const int16_t, ocos_4_16)[8] = {
66
    X8(23170)   //cos * (2<<15) + 0.5
67 68
};

69
DECLARE_ALIGNED(16, static const int16_t, fdct_one_corr)[8] = { X8(1) };
70

71
DECLARE_ALIGNED(8, static const int32_t, fdct_r_row)[2] = {RND_FRW_ROW, RND_FRW_ROW };
72

73
static const struct
74
{
75 76
 DECLARE_ALIGNED(16, const int32_t, fdct_r_row_sse2)[4];
} fdct_r_row_sse2 =
77 78 79
{{
 RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW
}};
80
//DECLARE_ALIGNED(16, static const long, fdct_r_row_sse2)[4] = {RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW, RND_FRW_ROW};
81

82
DECLARE_ALIGNED(8, static const int16_t, tab_frw_01234567)[] = {  // forward_dct coeff table
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153
  16384,   16384,   22725,   19266,
  16384,   16384,   12873,    4520,
  21407,    8867,   19266,   -4520,
  -8867,  -21407,  -22725,  -12873,
  16384,  -16384,   12873,  -22725,
 -16384,   16384,    4520,   19266,
   8867,  -21407,    4520,  -12873,
  21407,   -8867,   19266,  -22725,

  22725,   22725,   31521,   26722,
  22725,   22725,   17855,    6270,
  29692,   12299,   26722,   -6270,
 -12299,  -29692,  -31521,  -17855,
  22725,  -22725,   17855,  -31521,
 -22725,   22725,    6270,   26722,
  12299,  -29692,    6270,  -17855,
  29692,  -12299,   26722,  -31521,

  21407,   21407,   29692,   25172,
  21407,   21407,   16819,    5906,
  27969,   11585,   25172,   -5906,
 -11585,  -27969,  -29692,  -16819,
  21407,  -21407,   16819,  -29692,
 -21407,   21407,    5906,   25172,
  11585,  -27969,    5906,  -16819,
  27969,  -11585,   25172,  -29692,

  19266,   19266,   26722,   22654,
  19266,   19266,   15137,    5315,
  25172,   10426,   22654,   -5315,
 -10426,  -25172,  -26722,  -15137,
  19266,  -19266,   15137,  -26722,
 -19266,   19266,    5315,   22654,
  10426,  -25172,    5315,  -15137,
  25172,  -10426,   22654,  -26722,

  16384,   16384,   22725,   19266,
  16384,   16384,   12873,    4520,
  21407,    8867,   19266,   -4520,
  -8867,  -21407,  -22725,  -12873,
  16384,  -16384,   12873,  -22725,
 -16384,   16384,    4520,   19266,
   8867,  -21407,    4520,  -12873,
  21407,   -8867,   19266,  -22725,

  19266,   19266,   26722,   22654,
  19266,   19266,   15137,    5315,
  25172,   10426,   22654,   -5315,
 -10426,  -25172,  -26722,  -15137,
  19266,  -19266,   15137,  -26722,
 -19266,   19266,    5315,   22654,
  10426,  -25172,    5315,  -15137,
  25172,  -10426,   22654,  -26722,

  21407,   21407,   29692,   25172,
  21407,   21407,   16819,    5906,
  27969,   11585,   25172,   -5906,
 -11585,  -27969,  -29692,  -16819,
  21407,  -21407,   16819,  -29692,
 -21407,   21407,    5906,   25172,
  11585,  -27969,    5906,  -16819,
  27969,  -11585,   25172,  -29692,

  22725,   22725,   31521,   26722,
  22725,   22725,   17855,    6270,
  29692,   12299,   26722,   -6270,
 -12299,  -29692,  -31521,  -17855,
  22725,  -22725,   17855,  -31521,
 -22725,   22725,    6270,   26722,
  12299,  -29692,    6270,  -17855,
  29692,  -12299,   26722,  -31521,
154 155
};

156
static const struct
157
{
158 159
 DECLARE_ALIGNED(16, const int16_t, tab_frw_01234567_sse2)[256];
} tab_frw_01234567_sse2 =
160
{{
161
//DECLARE_ALIGNED(16, static const int16_t, tab_frw_01234567_sse2)[] = {  // forward_dct coeff table
162 163 164
#define TABLE_SSE2 C4,  C4,  C1,  C3, -C6, -C2, -C1, -C5, \
                   C4,  C4,  C5,  C7,  C2,  C6,  C3, -C7, \
                  -C4,  C4,  C7,  C3,  C6, -C2,  C7, -C5, \
165 166
                   C4, -C4,  C5, -C1,  C2, -C6,  C3, -C1,
// c1..c7 * cos(pi/4) * 2^15
167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286
#define C1 22725
#define C2 21407
#define C3 19266
#define C4 16384
#define C5 12873
#define C6 8867
#define C7 4520
TABLE_SSE2

#undef C1
#undef C2
#undef C3
#undef C4
#undef C5
#undef C6
#undef C7
#define C1 31521
#define C2 29692
#define C3 26722
#define C4 22725
#define C5 17855
#define C6 12299
#define C7 6270
TABLE_SSE2

#undef C1
#undef C2
#undef C3
#undef C4
#undef C5
#undef C6
#undef C7
#define C1 29692
#define C2 27969
#define C3 25172
#define C4 21407
#define C5 16819
#define C6 11585
#define C7 5906
TABLE_SSE2

#undef C1
#undef C2
#undef C3
#undef C4
#undef C5
#undef C6
#undef C7
#define C1 26722
#define C2 25172
#define C3 22654
#define C4 19266
#define C5 15137
#define C6 10426
#define C7 5315
TABLE_SSE2

#undef C1
#undef C2
#undef C3
#undef C4
#undef C5
#undef C6
#undef C7
#define C1 22725
#define C2 21407
#define C3 19266
#define C4 16384
#define C5 12873
#define C6 8867
#define C7 4520
TABLE_SSE2

#undef C1
#undef C2
#undef C3
#undef C4
#undef C5
#undef C6
#undef C7
#define C1 26722
#define C2 25172
#define C3 22654
#define C4 19266
#define C5 15137
#define C6 10426
#define C7 5315
TABLE_SSE2

#undef C1
#undef C2
#undef C3
#undef C4
#undef C5
#undef C6
#undef C7
#define C1 29692
#define C2 27969
#define C3 25172
#define C4 21407
#define C5 16819
#define C6 11585
#define C7 5906
TABLE_SSE2

#undef C1
#undef C2
#undef C3
#undef C4
#undef C5
#undef C6
#undef C7
#define C1 31521
#define C2 29692
#define C3 26722
#define C4 22725
#define C5 17855
#define C6 12299
#define C7 6270
TABLE_SSE2
287 288
}};

289 290
#define S(s) AV_TOSTRING(s) //AV_STRINGIFY is too long

291 292 293
#define FDCT_COL(cpu, mm, mov)\
static av_always_inline void fdct_col_##cpu(const int16_t *in, int16_t *out, int offset)\
{\
294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372
    __asm__ volatile (\
        #mov"      16(%0),  %%"#mm"0 \n\t" \
        #mov"      96(%0),  %%"#mm"1 \n\t" \
        #mov"    %%"#mm"0,  %%"#mm"2 \n\t" \
        #mov"      32(%0),  %%"#mm"3 \n\t" \
        "paddsw  %%"#mm"1,  %%"#mm"0 \n\t" \
        #mov"      80(%0),  %%"#mm"4 \n\t" \
        "psllw  $"S(SHIFT_FRW_COL)", %%"#mm"0 \n\t" \
        #mov"        (%0),  %%"#mm"5 \n\t" \
        "paddsw  %%"#mm"3,  %%"#mm"4 \n\t" \
        "paddsw   112(%0),  %%"#mm"5 \n\t" \
        "psllw  $"S(SHIFT_FRW_COL)", %%"#mm"4 \n\t" \
        #mov"    %%"#mm"0,  %%"#mm"6 \n\t" \
        "psubsw  %%"#mm"1,  %%"#mm"2 \n\t" \
        #mov"      16(%1),  %%"#mm"1 \n\t" \
        "psubsw  %%"#mm"4,  %%"#mm"0 \n\t" \
        #mov"      48(%0),  %%"#mm"7 \n\t" \
        "pmulhw  %%"#mm"0,  %%"#mm"1 \n\t" \
        "paddsw    64(%0),  %%"#mm"7 \n\t" \
        "psllw  $"S(SHIFT_FRW_COL)", %%"#mm"5 \n\t" \
        "paddsw  %%"#mm"4,  %%"#mm"6 \n\t" \
        "psllw  $"S(SHIFT_FRW_COL)", %%"#mm"7 \n\t" \
        #mov"    %%"#mm"5,  %%"#mm"4 \n\t" \
        "psubsw  %%"#mm"7,  %%"#mm"5 \n\t" \
        "paddsw  %%"#mm"5,  %%"#mm"1 \n\t" \
        "paddsw  %%"#mm"7,  %%"#mm"4 \n\t" \
        "por         (%2),  %%"#mm"1 \n\t" \
        "psllw  $"S(SHIFT_FRW_COL)"+1, %%"#mm"2 \n\t" \
        "pmulhw    16(%1),  %%"#mm"5 \n\t" \
        #mov"    %%"#mm"4,  %%"#mm"7 \n\t" \
        "psubsw    80(%0),  %%"#mm"3 \n\t" \
        "psubsw  %%"#mm"6,  %%"#mm"4 \n\t" \
        #mov"    %%"#mm"1,    32(%3) \n\t" \
        "paddsw  %%"#mm"6,  %%"#mm"7 \n\t" \
        #mov"      48(%0),  %%"#mm"1 \n\t" \
        "psllw  $"S(SHIFT_FRW_COL)"+1, %%"#mm"3 \n\t" \
        "psubsw    64(%0),  %%"#mm"1 \n\t" \
        #mov"    %%"#mm"2,  %%"#mm"6 \n\t" \
        #mov"    %%"#mm"4,    64(%3) \n\t" \
        "paddsw  %%"#mm"3,  %%"#mm"2 \n\t" \
        "pmulhw      (%4),  %%"#mm"2 \n\t" \
        "psubsw  %%"#mm"3,  %%"#mm"6 \n\t" \
        "pmulhw      (%4),  %%"#mm"6 \n\t" \
        "psubsw  %%"#mm"0,  %%"#mm"5 \n\t" \
        "por         (%2),  %%"#mm"5 \n\t" \
        "psllw  $"S(SHIFT_FRW_COL)", %%"#mm"1 \n\t" \
        "por         (%2),  %%"#mm"2 \n\t" \
        #mov"    %%"#mm"1,  %%"#mm"4 \n\t" \
        #mov"        (%0),  %%"#mm"3 \n\t" \
        "paddsw  %%"#mm"6,  %%"#mm"1 \n\t" \
        "psubsw   112(%0),  %%"#mm"3 \n\t" \
        "psubsw  %%"#mm"6,  %%"#mm"4 \n\t" \
        #mov"        (%1),  %%"#mm"0 \n\t" \
        "psllw  $"S(SHIFT_FRW_COL)", %%"#mm"3 \n\t" \
        #mov"      32(%1),  %%"#mm"6 \n\t" \
        "pmulhw  %%"#mm"1,  %%"#mm"0 \n\t" \
        #mov"    %%"#mm"7,      (%3) \n\t" \
        "pmulhw  %%"#mm"4,  %%"#mm"6 \n\t" \
        #mov"    %%"#mm"5,    96(%3) \n\t" \
        #mov"    %%"#mm"3,  %%"#mm"7 \n\t" \
        #mov"      32(%1),  %%"#mm"5 \n\t" \
        "psubsw  %%"#mm"2,  %%"#mm"7 \n\t" \
        "paddsw  %%"#mm"2,  %%"#mm"3 \n\t" \
        "pmulhw  %%"#mm"7,  %%"#mm"5 \n\t" \
        "paddsw  %%"#mm"3,  %%"#mm"0 \n\t" \
        "paddsw  %%"#mm"4,  %%"#mm"6 \n\t" \
        "pmulhw      (%1),  %%"#mm"3 \n\t" \
        "por         (%2),  %%"#mm"0 \n\t" \
        "paddsw  %%"#mm"7,  %%"#mm"5 \n\t" \
        "psubsw  %%"#mm"6,  %%"#mm"7 \n\t" \
        #mov"    %%"#mm"0,    16(%3) \n\t" \
        "paddsw  %%"#mm"4,  %%"#mm"5 \n\t" \
        #mov"    %%"#mm"7,    48(%3) \n\t" \
        "psubsw  %%"#mm"1,  %%"#mm"3 \n\t" \
        #mov"    %%"#mm"5,    80(%3) \n\t" \
        #mov"    %%"#mm"3,   112(%3) \n\t" \
        : \
        : "r" (in  + offset), "r" (fdct_tg_all_16), "r" (fdct_one_corr), \
          "r" (out + offset), "r" (ocos_4_16)); \
373 374
}

375 376
FDCT_COL(mmx, mm, movq)
FDCT_COL(sse2, xmm, movdqa)
377

378
static av_always_inline void fdct_row_sse2(const int16_t *in, int16_t *out)
379
{
380
    __asm__ volatile(
381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414
#define FDCT_ROW_SSE2_H1(i,t)                    \
        "movq      " #i "(%0), %%xmm2      \n\t" \
        "movq      " #i "+8(%0), %%xmm0    \n\t" \
        "movdqa    " #t "+32(%1), %%xmm3   \n\t" \
        "movdqa    " #t "+48(%1), %%xmm7   \n\t" \
        "movdqa    " #t "(%1), %%xmm4      \n\t" \
        "movdqa    " #t "+16(%1), %%xmm5   \n\t"

#define FDCT_ROW_SSE2_H2(i,t)                    \
        "movq      " #i "(%0), %%xmm2      \n\t" \
        "movq      " #i "+8(%0), %%xmm0    \n\t" \
        "movdqa    " #t "+32(%1), %%xmm3   \n\t" \
        "movdqa    " #t "+48(%1), %%xmm7   \n\t"

#define FDCT_ROW_SSE2(i)                      \
        "movq      %%xmm2, %%xmm1       \n\t" \
        "pshuflw   $27, %%xmm0, %%xmm0  \n\t" \
        "paddsw    %%xmm0, %%xmm1       \n\t" \
        "psubsw    %%xmm0, %%xmm2       \n\t" \
        "punpckldq %%xmm2, %%xmm1       \n\t" \
        "pshufd    $78, %%xmm1, %%xmm2  \n\t" \
        "pmaddwd   %%xmm2, %%xmm3       \n\t" \
        "pmaddwd   %%xmm1, %%xmm7       \n\t" \
        "pmaddwd   %%xmm5, %%xmm2       \n\t" \
        "pmaddwd   %%xmm4, %%xmm1       \n\t" \
        "paddd     %%xmm7, %%xmm3       \n\t" \
        "paddd     %%xmm2, %%xmm1       \n\t" \
        "paddd     %%xmm6, %%xmm3       \n\t" \
        "paddd     %%xmm6, %%xmm1       \n\t" \
        "psrad     %3, %%xmm3           \n\t" \
        "psrad     %3, %%xmm1           \n\t" \
        "packssdw  %%xmm3, %%xmm1       \n\t" \
        "movdqa    %%xmm1, " #i "(%4)   \n\t"

415
        "movdqa    (%2), %%xmm6         \n\t"
416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434
        FDCT_ROW_SSE2_H1(0,0)
        FDCT_ROW_SSE2(0)
        FDCT_ROW_SSE2_H2(64,0)
        FDCT_ROW_SSE2(64)

        FDCT_ROW_SSE2_H1(16,64)
        FDCT_ROW_SSE2(16)
        FDCT_ROW_SSE2_H2(112,64)
        FDCT_ROW_SSE2(112)

        FDCT_ROW_SSE2_H1(32,128)
        FDCT_ROW_SSE2(32)
        FDCT_ROW_SSE2_H2(96,128)
        FDCT_ROW_SSE2(96)

        FDCT_ROW_SSE2_H1(48,192)
        FDCT_ROW_SSE2(48)
        FDCT_ROW_SSE2_H2(80,192)
        FDCT_ROW_SSE2(80)
435
        :
436 437
        : "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)
438 439
          XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3",
                            "%xmm4", "%xmm5", "%xmm6", "%xmm7")
440 441 442
    );
}

443 444
static av_always_inline void fdct_row_mmxext(const int16_t *in, int16_t *out,
                                             const int16_t *table)
445
{
446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487
    __asm__ volatile (
        "pshufw    $0x1B, 8(%0), %%mm5 \n\t"
        "movq       (%0), %%mm0 \n\t"
        "movq      %%mm0, %%mm1 \n\t"
        "paddsw    %%mm5, %%mm0 \n\t"
        "psubsw    %%mm5, %%mm1 \n\t"
        "movq      %%mm0, %%mm2 \n\t"
        "punpckldq %%mm1, %%mm0 \n\t"
        "punpckhdq %%mm1, %%mm2 \n\t"
        "movq       (%1), %%mm1 \n\t"
        "movq      8(%1), %%mm3 \n\t"
        "movq     16(%1), %%mm4 \n\t"
        "movq     24(%1), %%mm5 \n\t"
        "movq     32(%1), %%mm6 \n\t"
        "movq     40(%1), %%mm7 \n\t"
        "pmaddwd   %%mm0, %%mm1 \n\t"
        "pmaddwd   %%mm2, %%mm3 \n\t"
        "pmaddwd   %%mm0, %%mm4 \n\t"
        "pmaddwd   %%mm2, %%mm5 \n\t"
        "pmaddwd   %%mm0, %%mm6 \n\t"
        "pmaddwd   %%mm2, %%mm7 \n\t"
        "pmaddwd  48(%1), %%mm0 \n\t"
        "pmaddwd  56(%1), %%mm2 \n\t"
        "paddd     %%mm1, %%mm3 \n\t"
        "paddd     %%mm4, %%mm5 \n\t"
        "paddd     %%mm6, %%mm7 \n\t"
        "paddd     %%mm0, %%mm2 \n\t"
        "movq       (%2), %%mm0 \n\t"
        "paddd     %%mm0, %%mm3 \n\t"
        "paddd     %%mm0, %%mm5 \n\t"
        "paddd     %%mm0, %%mm7 \n\t"
        "paddd     %%mm0, %%mm2 \n\t"
        "psrad $"S(SHIFT_FRW_ROW)", %%mm3 \n\t"
        "psrad $"S(SHIFT_FRW_ROW)", %%mm5 \n\t"
        "psrad $"S(SHIFT_FRW_ROW)", %%mm7 \n\t"
        "psrad $"S(SHIFT_FRW_ROW)", %%mm2 \n\t"
        "packssdw  %%mm5, %%mm3 \n\t"
        "packssdw  %%mm2, %%mm7 \n\t"
        "movq      %%mm3,  (%3) \n\t"
        "movq      %%mm7, 8(%3) \n\t"
        :
        : "r" (in), "r" (table), "r" (fdct_r_row), "r" (out));
Michael Niedermayer's avatar
Michael Niedermayer committed
488 489
}

490
static av_always_inline void fdct_row_mmx(const int16_t *in, int16_t *out, const int16_t *table)
491
{
492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538
    //FIXME reorder (I do not have an old MMX-only CPU here to benchmark ...)
    __asm__ volatile(
        "movd     12(%0), %%mm1 \n\t"
        "punpcklwd 8(%0), %%mm1 \n\t"
        "movq      %%mm1, %%mm2 \n\t"
        "psrlq     $0x20, %%mm1 \n\t"
        "movq      0(%0), %%mm0 \n\t"
        "punpcklwd %%mm2, %%mm1 \n\t"
        "movq      %%mm0, %%mm5 \n\t"
        "paddsw    %%mm1, %%mm0 \n\t"
        "psubsw    %%mm1, %%mm5 \n\t"
        "movq      %%mm0, %%mm2 \n\t"
        "punpckldq %%mm5, %%mm0 \n\t"
        "punpckhdq %%mm5, %%mm2 \n\t"
        "movq      0(%1), %%mm1 \n\t"
        "movq      8(%1), %%mm3 \n\t"
        "movq     16(%1), %%mm4 \n\t"
        "movq     24(%1), %%mm5 \n\t"
        "movq     32(%1), %%mm6 \n\t"
        "movq     40(%1), %%mm7 \n\t"
        "pmaddwd   %%mm0, %%mm1 \n\t"
        "pmaddwd   %%mm2, %%mm3 \n\t"
        "pmaddwd   %%mm0, %%mm4 \n\t"
        "pmaddwd   %%mm2, %%mm5 \n\t"
        "pmaddwd   %%mm0, %%mm6 \n\t"
        "pmaddwd   %%mm2, %%mm7 \n\t"
        "pmaddwd  48(%1), %%mm0 \n\t"
        "pmaddwd  56(%1), %%mm2 \n\t"
        "paddd     %%mm1, %%mm3 \n\t"
        "paddd     %%mm4, %%mm5 \n\t"
        "paddd     %%mm6, %%mm7 \n\t"
        "paddd     %%mm0, %%mm2 \n\t"
        "movq       (%2), %%mm0 \n\t"
        "paddd     %%mm0, %%mm3 \n\t"
        "paddd     %%mm0, %%mm5 \n\t"
        "paddd     %%mm0, %%mm7 \n\t"
        "paddd     %%mm0, %%mm2 \n\t"
        "psrad $"S(SHIFT_FRW_ROW)", %%mm3 \n\t"
        "psrad $"S(SHIFT_FRW_ROW)", %%mm5 \n\t"
        "psrad $"S(SHIFT_FRW_ROW)", %%mm7 \n\t"
        "psrad $"S(SHIFT_FRW_ROW)", %%mm2 \n\t"
        "packssdw  %%mm5, %%mm3 \n\t"
        "packssdw  %%mm2, %%mm7 \n\t"
        "movq      %%mm3, 0(%3) \n\t"
        "movq      %%mm7, 8(%3) \n\t"
        :
        : "r" (in), "r" (table), "r" (fdct_r_row), "r" (out));
539 540
}

541
void ff_fdct_mmx(int16_t *block)
542
{
543
    DECLARE_ALIGNED(8, int64_t, align_tmp)[16];
Michael Niedermayer's avatar
Michael Niedermayer committed
544 545
    int16_t * block1= (int16_t*)align_tmp;
    const int16_t *table= tab_frw_01234567;
546 547
    int i;

548 549
    fdct_col_mmx(block, block1, 0);
    fdct_col_mmx(block, block1, 4);
550 551

    for(i=8;i>0;i--) {
Michael Niedermayer's avatar
Michael Niedermayer committed
552
        fdct_row_mmx(block1, block, table);
553 554
        block1 += 8;
        table += 32;
Michael Niedermayer's avatar
Michael Niedermayer committed
555
        block += 8;
556 557 558
    }
}

559 560 561 562
#endif /* HAVE_MMX_INLINE */

#if HAVE_MMXEXT_INLINE

563
void ff_fdct_mmxext(int16_t *block)
564
{
565
    DECLARE_ALIGNED(8, int64_t, align_tmp)[16];
Michael Niedermayer's avatar
Michael Niedermayer committed
566 567
    int16_t *block1= (int16_t*)align_tmp;
    const int16_t *table= tab_frw_01234567;
568 569
    int i;

570 571
    fdct_col_mmx(block, block1, 0);
    fdct_col_mmx(block, block1, 4);
572 573

    for(i=8;i>0;i--) {
574
        fdct_row_mmxext(block1, block, table);
575 576
        block1 += 8;
        table += 32;
Michael Niedermayer's avatar
Michael Niedermayer committed
577
        block += 8;
578 579
    }
}
580

581 582 583 584
#endif /* HAVE_MMXEXT_INLINE */

#if HAVE_SSE2_INLINE

585
void ff_fdct_sse2(int16_t *block)
586
{
587
    DECLARE_ALIGNED(16, int64_t, align_tmp)[16];
Michael Niedermayer's avatar
Michael Niedermayer committed
588
    int16_t * const block1= (int16_t*)align_tmp;
589

590
    fdct_col_sse2(block, block1, 0);
591 592
    fdct_row_sse2(block1, block);
}
593

594
#endif /* HAVE_SSE2_INLINE */