*
* conversion to gcc syntax by Michael Niedermayer
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* 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 License
- * along with Libav; if not, write to the Free Software Foundation,
+ * along with FFmpeg; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <inttypes.h>
#include "config.h"
- #include "libavcodec/avcodec.h"
+
#include "libavutil/mem.h"
+ #include "libavcodec/avcodec.h"
+
#include "idctdsp.h"
#include "xvididct.h"
#if HAVE_MMX_INLINE
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// Various memory constants (trigonometric values or rounding values)
- //-----------------------------------------------------------------------------
-
-
- DECLARE_ALIGNED(8, static const int16_t, tg_1_16)[4*4] = {
- 13036,13036,13036,13036, // tg * (2<<16) + 0.5
- 27146,27146,27146,27146, // tg * (2<<16) + 0.5
- -21746,-21746,-21746,-21746, // tg * (2<<16) + 0.5
- 23170,23170,23170,23170}; // cos * (2<<15) + 0.5
-
- DECLARE_ALIGNED(8, static const int32_t, rounder_0)[2*8] = {
- 65536,65536,
- 3597,3597,
- 2260,2260,
- 1203,1203,
- 0,0,
- 120,120,
- 512,512,
- 512,512};
-
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
+
+ DECLARE_ALIGNED(8, static const int16_t, tg_1_16)[4 * 4] = {
+ 13036, 13036, 13036, 13036, // tg * (2 << 16) + 0.5
+ 27146, 27146, 27146, 27146, // tg * (2 << 16) + 0.5
+ -21746, -21746, -21746, -21746, // tg * (2 << 16) + 0.5
+ 23170, 23170, 23170, 23170
+ }; // cos * (2 << 15) + 0.5
+
+ DECLARE_ALIGNED(8, static const int32_t, rounder_0)[2 * 8] = {
+ 65536, 65536,
+ 3597, 3597,
+ 2260, 2260,
+ 1203, 1203,
+ 0, 0,
+ 120, 120,
+ 512, 512,
+ 512, 512
+ };
+
+ // -----------------------------------------------------------------------------
//
// The first stage iDCT 8x8 - inverse DCTs of rows
//
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// The 8-point inverse DCT direct algorithm
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
//
// static const short w[32] = {
- // FIX(cos_4_16), FIX(cos_2_16), FIX(cos_4_16), FIX(cos_6_16),
- // FIX(cos_4_16), FIX(cos_6_16), -FIX(cos_4_16), -FIX(cos_2_16),
- // FIX(cos_4_16), -FIX(cos_6_16), -FIX(cos_4_16), FIX(cos_2_16),
- // FIX(cos_4_16), -FIX(cos_2_16), FIX(cos_4_16), -FIX(cos_6_16),
- // FIX(cos_1_16), FIX(cos_3_16), FIX(cos_5_16), FIX(cos_7_16),
- // FIX(cos_3_16), -FIX(cos_7_16), -FIX(cos_1_16), -FIX(cos_5_16),
- // FIX(cos_5_16), -FIX(cos_1_16), FIX(cos_7_16), FIX(cos_3_16),
- // FIX(cos_7_16), -FIX(cos_5_16), FIX(cos_3_16), -FIX(cos_1_16) };
+ // FIX(cos_4_16), FIX(cos_2_16), FIX(cos_4_16), FIX(cos_6_16),
+ // FIX(cos_4_16), FIX(cos_6_16), -FIX(cos_4_16), -FIX(cos_2_16),
+ // FIX(cos_4_16), -FIX(cos_6_16), -FIX(cos_4_16), FIX(cos_2_16),
+ // FIX(cos_4_16), -FIX(cos_2_16), FIX(cos_4_16), -FIX(cos_6_16),
+ // FIX(cos_1_16), FIX(cos_3_16), FIX(cos_5_16), FIX(cos_7_16),
+ // FIX(cos_3_16), -FIX(cos_7_16), -FIX(cos_1_16), -FIX(cos_5_16),
+ // FIX(cos_5_16), -FIX(cos_1_16), FIX(cos_7_16), FIX(cos_3_16),
+ // FIX(cos_7_16), -FIX(cos_5_16), FIX(cos_3_16), -FIX(cos_1_16) };
//
// #define DCT_8_INV_ROW(x, y)
// {
- // int a0, a1, a2, a3, b0, b1, b2, b3;
+ // int a0, a1, a2, a3, b0, b1, b2, b3;
//
- // a0 =x[0]*w[0]+x[2]*w[1]+x[4]*w[2]+x[6]*w[3];
- // a1 =x[0]*w[4]+x[2]*w[5]+x[4]*w[6]+x[6]*w[7];
- // a2 = x[0] * w[ 8] + x[2] * w[ 9] + x[4] * w[10] + x[6] * w[11];
- // a3 = x[0] * w[12] + x[2] * w[13] + x[4] * w[14] + x[6] * w[15];
- // b0 = x[1] * w[16] + x[3] * w[17] + x[5] * w[18] + x[7] * w[19];
- // b1 = x[1] * w[20] + x[3] * w[21] + x[5] * w[22] + x[7] * w[23];
- // b2 = x[1] * w[24] + x[3] * w[25] + x[5] * w[26] + x[7] * w[27];
- // b3 = x[1] * w[28] + x[3] * w[29] + x[5] * w[30] + x[7] * w[31];
+ // a0 = x[0] * w[0] + x[2] * w[1] + x[4] * w[2] + x[6] * w[3];
+ // a1 = x[0] * w[4] + x[2] * w[5] + x[4] * w[6] + x[6] * w[7];
+ // a2 = x[0] * w[8] + x[2] * w[9] + x[4] * w[10] + x[6] * w[11];
+ // a3 = x[0] * w[12] + x[2] * w[13] + x[4] * w[14] + x[6] * w[15];
+ // b0 = x[1] * w[16] + x[3] * w[17] + x[5] * w[18] + x[7] * w[19];
+ // b1 = x[1] * w[20] + x[3] * w[21] + x[5] * w[22] + x[7] * w[23];
+ // b2 = x[1] * w[24] + x[3] * w[25] + x[5] * w[26] + x[7] * w[27];
+ // b3 = x[1] * w[28] + x[3] * w[29] + x[5] * w[30] + x[7] * w[31];
//
- // y[0] = SHIFT_ROUND ( a0 + b0 );
- // y[1] = SHIFT_ROUND ( a1 + b1 );
- // y[2] = SHIFT_ROUND ( a2 + b2 );
- // y[3] = SHIFT_ROUND ( a3 + b3 );
- // y[4] = SHIFT_ROUND ( a3 - b3 );
- // y[5] = SHIFT_ROUND ( a2 - b2 );
- // y[6] = SHIFT_ROUND ( a1 - b1 );
- // y[7] = SHIFT_ROUND ( a0 - b0 );
+ // y[0] = SHIFT_ROUND(a0 + b0);
+ // y[1] = SHIFT_ROUND(a1 + b1);
+ // y[2] = SHIFT_ROUND(a2 + b2);
+ // y[3] = SHIFT_ROUND(a3 + b3);
+ // y[4] = SHIFT_ROUND(a3 - b3);
+ // y[5] = SHIFT_ROUND(a2 - b2);
+ // y[6] = SHIFT_ROUND(a1 - b1);
+ // y[7] = SHIFT_ROUND(a0 - b0);
// }
//
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
//
// In this implementation the outputs of the iDCT-1D are multiplied
- // for rows 0,4 - by cos_4_16,
- // for rows 1,7 - by cos_1_16,
- // for rows 2,6 - by cos_2_16,
- // for rows 3,5 - by cos_3_16
- // and are shifted to the left for better accuracy
+ // for rows 0,4 - by cos_4_16,
+ // for rows 1,7 - by cos_1_16,
+ // for rows 2,6 - by cos_2_16,
+ // for rows 3,5 - by cos_3_16
+ // and are shifted to the left for better accuracy.
//
// For the constants used,
- // FIX(float_const) = (short) (float_const * (1<<15) + 0.5)
+ // FIX(float_const) = (short) (float_const * (1 << 15) + 0.5)
//
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// Tables for mmx processors
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// Table for rows 0,4 - constants are multiplied by cos_4_16
- DECLARE_ALIGNED(8, static const int16_t, tab_i_04_mmx)[32*4] = {
- 16384,16384,16384,-16384, // movq-> w06 w04 w02 w00
- 21407,8867,8867,-21407, // w07 w05 w03 w01
- 16384,-16384,16384,16384, // w14 w12 w10 w08
- -8867,21407,-21407,-8867, // w15 w13 w11 w09
- 22725,12873,19266,-22725, // w22 w20 w18 w16
- 19266,4520,-4520,-12873, // w23 w21 w19 w17
- 12873,4520,4520,19266, // w30 w28 w26 w24
- -22725,19266,-12873,-22725, // w31 w29 w27 w25
+ DECLARE_ALIGNED(8, static const int16_t, tab_i_04_mmx)[32 * 4] = {
+ 16384, 16384, 16384, -16384, // movq-> w06 w04 w02 w00
+ 21407, 8867, 8867, -21407, // w07 w05 w03 w01
+ 16384, -16384, 16384, 16384, // w14 w12 w10 w08
+ -8867, 21407, -21407, -8867, // w15 w13 w11 w09
+ 22725, 12873, 19266, -22725, // w22 w20 w18 w16
+ 19266, 4520, -4520, -12873, // w23 w21 w19 w17
+ 12873, 4520, 4520, 19266, // w30 w28 w26 w24
+ -22725, 19266, -12873, -22725, // w31 w29 w27 w25
// Table for rows 1,7 - constants are multiplied by cos_1_16
- 22725,22725,22725,-22725, // movq-> w06 w04 w02 w00
- 29692,12299,12299,-29692, // w07 w05 w03 w01
- 22725,-22725,22725,22725, // w14 w12 w10 w08
- -12299,29692,-29692,-12299, // w15 w13 w11 w09
- 31521,17855,26722,-31521, // w22 w20 w18 w16
- 26722,6270,-6270,-17855, // w23 w21 w19 w17
- 17855,6270,6270,26722, // w30 w28 w26 w24
- -31521,26722,-17855,-31521, // w31 w29 w27 w25
+ 22725, 22725, 22725, -22725, // movq-> w06 w04 w02 w00
+ 29692, 12299, 12299, -29692, // w07 w05 w03 w01
+ 22725, -22725, 22725, 22725, // w14 w12 w10 w08
+ -12299, 29692, -29692, -12299, // w15 w13 w11 w09
+ 31521, 17855, 26722, -31521, // w22 w20 w18 w16
+ 26722, 6270, -6270, -17855, // w23 w21 w19 w17
+ 17855, 6270, 6270, 26722, // w30 w28 w26 w24
+ -31521, 26722, -17855, -31521, // w31 w29 w27 w25
// Table for rows 2,6 - constants are multiplied by cos_2_16
- 21407,21407,21407,-21407, // movq-> w06 w04 w02 w00
- 27969,11585,11585,-27969, // w07 w05 w03 w01
- 21407,-21407,21407,21407, // w14 w12 w10 w08
- -11585,27969,-27969,-11585, // w15 w13 w11 w09
- 29692,16819,25172,-29692, // w22 w20 w18 w16
- 25172,5906,-5906,-16819, // w23 w21 w19 w17
- 16819,5906,5906,25172, // w30 w28 w26 w24
- -29692,25172,-16819,-29692, // w31 w29 w27 w25
+ 21407, 21407, 21407, -21407, // movq-> w06 w04 w02 w00
+ 27969, 11585, 11585, -27969, // w07 w05 w03 w01
+ 21407, -21407, 21407, 21407, // w14 w12 w10 w08
+ -11585, 27969, -27969, -11585, // w15 w13 w11 w09
+ 29692, 16819, 25172, -29692, // w22 w20 w18 w16
+ 25172, 5906, -5906, -16819, // w23 w21 w19 w17
+ 16819, 5906, 5906, 25172, // w30 w28 w26 w24
+ -29692, 25172, -16819, -29692, // w31 w29 w27 w25
// Table for rows 3,5 - constants are multiplied by cos_3_16
- 19266,19266,19266,-19266, // movq-> w06 w04 w02 w00
- 25172,10426,10426,-25172, // w07 w05 w03 w01
- 19266,-19266,19266,19266, // w14 w12 w10 w08
- -10426,25172,-25172,-10426, // w15 w13 w11 w09
- 26722,15137,22654,-26722, // w22 w20 w18 w16
- 22654,5315,-5315,-15137, // w23 w21 w19 w17
- 15137,5315,5315,22654, // w30 w28 w26 w24
- -26722,22654,-15137,-26722, // w31 w29 w27 w25
+ 19266, 19266, 19266, -19266, // movq-> w06 w04 w02 w00
+ 25172, 10426, 10426, -25172, // w07 w05 w03 w01
+ 19266, -19266, 19266, 19266, // w14 w12 w10 w08
+ -10426, 25172, -25172, -10426, // w15 w13 w11 w09
+ 26722, 15137, 22654, -26722, // w22 w20 w18 w16
+ 22654, 5315, -5315, -15137, // w23 w21 w19 w17
+ 15137, 5315, 5315, 22654, // w30 w28 w26 w24
+ -26722, 22654, -15137, -26722, // w31 w29 w27 w25
};
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// Tables for xmm processors
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// %3 for rows 0,4 - constants are multiplied by cos_4_16
- DECLARE_ALIGNED(8, static const int16_t, tab_i_04_xmm)[32*4] = {
- 16384,21407,16384,8867, // movq-> w05 w04 w01 w00
- 16384,8867,-16384,-21407, // w07 w06 w03 w02
- 16384,-8867,16384,-21407, // w13 w12 w09 w08
- -16384,21407,16384,-8867, // w15 w14 w11 w10
- 22725,19266,19266,-4520, // w21 w20 w17 w16
- 12873,4520,-22725,-12873, // w23 w22 w19 w18
- 12873,-22725,4520,-12873, // w29 w28 w25 w24
- 4520,19266,19266,-22725, // w31 w30 w27 w26
+ DECLARE_ALIGNED(8, static const int16_t, tab_i_04_xmm)[32 * 4] = {
+ 16384, 21407, 16384, 8867, // movq-> w05 w04 w01 w00
+ 16384, 8867, -16384, -21407, // w07 w06 w03 w02
+ 16384, -8867, 16384, -21407, // w13 w12 w09 w08
+ -16384, 21407, 16384, -8867, // w15 w14 w11 w10
+ 22725, 19266, 19266, -4520, // w21 w20 w17 w16
+ 12873, 4520, -22725, -12873, // w23 w22 w19 w18
+ 12873, -22725, 4520, -12873, // w29 w28 w25 w24
+ 4520, 19266, 19266, -22725, // w31 w30 w27 w26
// %3 for rows 1,7 - constants are multiplied by cos_1_16
- 22725,29692,22725,12299, // movq-> w05 w04 w01 w00
- 22725,12299,-22725,-29692, // w07 w06 w03 w02
- 22725,-12299,22725,-29692, // w13 w12 w09 w08
- -22725,29692,22725,-12299, // w15 w14 w11 w10
- 31521,26722,26722,-6270, // w21 w20 w17 w16
- 17855,6270,-31521,-17855, // w23 w22 w19 w18
- 17855,-31521,6270,-17855, // w29 w28 w25 w24
- 6270,26722,26722,-31521, // w31 w30 w27 w26
+ 22725, 29692, 22725, 12299, // movq-> w05 w04 w01 w00
+ 22725, 12299, -22725, -29692, // w07 w06 w03 w02
+ 22725, -12299, 22725, -29692, // w13 w12 w09 w08
+ -22725, 29692, 22725, -12299, // w15 w14 w11 w10
+ 31521, 26722, 26722, -6270, // w21 w20 w17 w16
+ 17855, 6270, -31521, -17855, // w23 w22 w19 w18
+ 17855, -31521, 6270, -17855, // w29 w28 w25 w24
+ 6270, 26722, 26722, -31521, // w31 w30 w27 w26
// %3 for rows 2,6 - constants are multiplied by cos_2_16
- 21407,27969,21407,11585, // movq-> w05 w04 w01 w00
- 21407,11585,-21407,-27969, // w07 w06 w03 w02
- 21407,-11585,21407,-27969, // w13 w12 w09 w08
- -21407,27969,21407,-11585, // w15 w14 w11 w10
- 29692,25172,25172,-5906, // w21 w20 w17 w16
- 16819,5906,-29692,-16819, // w23 w22 w19 w18
- 16819,-29692,5906,-16819, // w29 w28 w25 w24
- 5906,25172,25172,-29692, // w31 w30 w27 w26
+ 21407, 27969, 21407, 11585, // movq-> w05 w04 w01 w00
+ 21407, 11585, -21407, -27969, // w07 w06 w03 w02
+ 21407, -11585, 21407, -27969, // w13 w12 w09 w08
+ -21407, 27969, 21407, -11585, // w15 w14 w11 w10
+ 29692, 25172, 25172, -5906, // w21 w20 w17 w16
+ 16819, 5906, -29692, -16819, // w23 w22 w19 w18
+ 16819, -29692, 5906, -16819, // w29 w28 w25 w24
+ 5906, 25172, 25172, -29692, // w31 w30 w27 w26
// %3 for rows 3,5 - constants are multiplied by cos_3_16
- 19266,25172,19266,10426, // movq-> w05 w04 w01 w00
- 19266,10426,-19266,-25172, // w07 w06 w03 w02
- 19266,-10426,19266,-25172, // w13 w12 w09 w08
- -19266,25172,19266,-10426, // w15 w14 w11 w10
- 26722,22654,22654,-5315, // w21 w20 w17 w16
- 15137,5315,-26722,-15137, // w23 w22 w19 w18
- 15137,-26722,5315,-15137, // w29 w28 w25 w24
- 5315,22654,22654,-26722, // w31 w30 w27 w26
+ 19266, 25172, 19266, 10426, // movq-> w05 w04 w01 w00
+ 19266, 10426, -19266, -25172, // w07 w06 w03 w02
+ 19266, -10426, 19266, -25172, // w13 w12 w09 w08
+ -19266, 25172, 19266, -10426, // w15 w14 w11 w10
+ 26722, 22654, 22654, -5315, // w21 w20 w17 w16
+ 15137, 5315, -26722, -15137, // w23 w22 w19 w18
+ 15137, -26722, 5315, -15137, // w29 w28 w25 w24
+ 5315, 22654, 22654, -26722, // w31 w30 w27 w26
};
- //=============================================================================
+ // =============================================================================
// Helper macros for the code
- //=============================================================================
+ // =============================================================================
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// DCT_8_INV_ROW_MMX( INP, OUT, TABLE, ROUNDER
- //-----------------------------------------------------------------------------
-
- #define DCT_8_INV_ROW_MMX(A1,A2,A3,A4)\
- "movq " #A1 ",%%mm0 \n\t"/* 0 ; x3 x2 x1 x0*/\
- "movq 8+" #A1 ",%%mm1 \n\t"/* 1 ; x7 x6 x5 x4*/\
- "movq %%mm0,%%mm2 \n\t"/* 2 ; x3 x2 x1 x0*/\
- "movq " #A3 ",%%mm3 \n\t"/* 3 ; w06 w04 w02 w00*/\
- "punpcklwd %%mm1,%%mm0 \n\t"/* x5 x1 x4 x0*/\
- "movq %%mm0,%%mm5 \n\t"/* 5 ; x5 x1 x4 x0*/\
- "punpckldq %%mm0,%%mm0 \n\t"/* x4 x0 x4 x0*/\
- "movq 8+" #A3 ",%%mm4 \n\t"/* 4 ; w07 w05 w03 w01*/\
- "punpckhwd %%mm1,%%mm2 \n\t"/* 1 ; x7 x3 x6 x2*/\
- "pmaddwd %%mm0,%%mm3 \n\t"/* x4*w06+x0*w04 x4*w02+x0*w00*/\
- "movq %%mm2,%%mm6 \n\t"/* 6 ; x7 x3 x6 x2*/\
- "movq 32+" #A3 ",%%mm1 \n\t"/* 1 ; w22 w20 w18 w16*/\
- "punpckldq %%mm2,%%mm2 \n\t"/* x6 x2 x6 x2*/\
- "pmaddwd %%mm2,%%mm4 \n\t"/* x6*w07+x2*w05 x6*w03+x2*w01*/\
- "punpckhdq %%mm5,%%mm5 \n\t"/* x5 x1 x5 x1*/\
- "pmaddwd 16+" #A3 ",%%mm0 \n\t"/* x4*w14+x0*w12 x4*w10+x0*w08*/\
- "punpckhdq %%mm6,%%mm6 \n\t"/* x7 x3 x7 x3*/\
- "movq 40+" #A3 ",%%mm7 \n\t"/* 7 ; w23 w21 w19 w17*/\
- "pmaddwd %%mm5,%%mm1 \n\t"/* x5*w22+x1*w20 x5*w18+x1*w16*/\
- "paddd " #A4 ",%%mm3 \n\t"/* +%4*/\
- "pmaddwd %%mm6,%%mm7 \n\t"/* x7*w23+x3*w21 x7*w19+x3*w17*/\
- "pmaddwd 24+" #A3 ",%%mm2 \n\t"/* x6*w15+x2*w13 x6*w11+x2*w09*/\
- "paddd %%mm4,%%mm3 \n\t"/* 4 ; a1=sum(even1) a0=sum(even0)*/\
- "pmaddwd 48+" #A3 ",%%mm5 \n\t"/* x5*w30+x1*w28 x5*w26+x1*w24*/\
- "movq %%mm3,%%mm4 \n\t"/* 4 ; a1 a0*/\
- "pmaddwd 56+" #A3 ",%%mm6 \n\t"/* x7*w31+x3*w29 x7*w27+x3*w25*/\
- "paddd %%mm7,%%mm1 \n\t"/* 7 ; b1=sum(odd1) b0=sum(odd0)*/\
- "paddd " #A4 ",%%mm0 \n\t"/* +%4*/\
- "psubd %%mm1,%%mm3 \n\t"/* a1-b1 a0-b0*/\
- "psrad $11,%%mm3 \n\t"/* y6=a1-b1 y7=a0-b0*/\
- "paddd %%mm4,%%mm1 \n\t"/* 4 ; a1+b1 a0+b0*/\
- "paddd %%mm2,%%mm0 \n\t"/* 2 ; a3=sum(even3) a2=sum(even2)*/\
- "psrad $11,%%mm1 \n\t"/* y1=a1+b1 y0=a0+b0*/\
- "paddd %%mm6,%%mm5 \n\t"/* 6 ; b3=sum(odd3) b2=sum(odd2)*/\
- "movq %%mm0,%%mm4 \n\t"/* 4 ; a3 a2*/\
- "paddd %%mm5,%%mm0 \n\t"/* a3+b3 a2+b2*/\
- "psubd %%mm5,%%mm4 \n\t"/* 5 ; a3-b3 a2-b2*/\
- "psrad $11,%%mm0 \n\t"/* y3=a3+b3 y2=a2+b2*/\
- "psrad $11,%%mm4 \n\t"/* y4=a3-b3 y5=a2-b2*/\
- "packssdw %%mm0,%%mm1 \n\t"/* 0 ; y3 y2 y1 y0*/\
- "packssdw %%mm3,%%mm4 \n\t"/* 3 ; y6 y7 y4 y5*/\
- "movq %%mm4,%%mm7 \n\t"/* 7 ; y6 y7 y4 y5*/\
- "psrld $16,%%mm4 \n\t"/* 0 y6 0 y4*/\
- "pslld $16,%%mm7 \n\t"/* y7 0 y5 0*/\
- "movq %%mm1," #A2 " \n\t"/* 1 ; save y3 y2 y1 y0*/\
- "por %%mm4,%%mm7 \n\t"/* 4 ; y7 y6 y5 y4*/\
- "movq %%mm7,8 +" #A2 "\n\t"/* 7 ; save y7 y6 y5 y4*/\
-
-
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
+
+ #define DCT_8_INV_ROW_MMX(A1, A2, A3, A4) \
+ "movq "#A1", %%mm0 \n\t" /* 0 ; x3 x2 x1 x0 */ \
+ "movq 8+"#A1", %%mm1 \n\t" /* 1 ; x7 x6 x5 x4 */ \
+ "movq %%mm0, %%mm2 \n\t" /* 2 ; x3 x2 x1 x0 */ \
+ "movq "#A3", %%mm3 \n\t" /* 3 ; w06 w04 w02 w00 */ \
+ "punpcklwd %%mm1, %%mm0 \n\t" /* x5 x1 x4 x0 */ \
+ "movq %%mm0, %%mm5 \n\t" /* 5 ; x5 x1 x4 x0 */ \
+ "punpckldq %%mm0, %%mm0 \n\t" /* x4 x0 x4 x0 */ \
+ "movq 8+"#A3", %%mm4 \n\t" /* 4 ; w07 w05 w03 w01 */ \
+ "punpckhwd %%mm1, %%mm2 \n\t" /* 1 ; x7 x3 x6 x2 */ \
+ "pmaddwd %%mm0, %%mm3 \n\t" /* x4*w06+x0*w04 x4*w02+x0*w00 */ \
+ "movq %%mm2, %%mm6 \n\t" /* 6 ; x7 x3 x6 x2 */ \
+ "movq 32+"#A3", %%mm1 \n\t" /* 1 ; w22 w20 w18 w16 */ \
+ "punpckldq %%mm2, %%mm2 \n\t" /* x6 x2 x6 x2 */ \
+ "pmaddwd %%mm2, %%mm4 \n\t" /* x6*w07+x2*w05 x6*w03+x2*w01 */ \
+ "punpckhdq %%mm5, %%mm5 \n\t" /* x5 x1 x5 x1 */ \
+ "pmaddwd 16+"#A3", %%mm0 \n\t" /* x4*w14+x0*w12 x4*w10+x0*w08 */ \
+ "punpckhdq %%mm6, %%mm6 \n\t" /* x7 x3 x7 x3 */ \
+ "movq 40+ "#A3", %%mm7 \n\t" /* 7 ; w23 w21 w19 w17 */ \
+ "pmaddwd %%mm5, %%mm1 \n\t" /* x5*w22+x1*w20 x5*w18+x1*w16 */ \
+ "paddd "#A4", %%mm3 \n\t" /* +%4 */ \
+ "pmaddwd %%mm6, %%mm7 \n\t" /* x7*w23+x3*w21 x7*w19+x3*w17 */ \
+ "pmaddwd 24+"#A3", %%mm2 \n\t" /* x6*w15+x2*w13 x6*w11+x2*w09 */ \
+ "paddd %%mm4, %%mm3 \n\t" /* 4 ; a1=sum(even1) a0=sum(even0) */ \
+ "pmaddwd 48+"#A3", %%mm5 \n\t" /* x5*w30+x1*w28 x5*w26+x1*w24 */ \
+ "movq %%mm3, %%mm4 \n\t" /* 4 ; a1 a0 */ \
+ "pmaddwd 56+"#A3", %%mm6 \n\t" /* x7*w31+x3*w29 x7*w27+x3*w25 */ \
+ "paddd %%mm7, %%mm1 \n\t" /* 7 ; b1=sum(odd1) b0=sum(odd0) */ \
+ "paddd "#A4", %%mm0 \n\t" /* +%4 */ \
+ "psubd %%mm1, %%mm3 \n\t" /* a1-b1 a0-b0 */ \
+ "psrad $11, %%mm3 \n\t" /* y6=a1-b1 y7=a0-b0 */ \
+ "paddd %%mm4, %%mm1 \n\t" /* 4 ; a1+b1 a0+b0 */ \
+ "paddd %%mm2, %%mm0 \n\t" /* 2 ; a3=sum(even3) a2=sum(even2) */ \
+ "psrad $11, %%mm1 \n\t" /* y1=a1+b1 y0=a0+b0 */ \
+ "paddd %%mm6, %%mm5 \n\t" /* 6 ; b3=sum(odd3) b2=sum(odd2) */ \
+ "movq %%mm0, %%mm4 \n\t" /* 4 ; a3 a2 */ \
+ "paddd %%mm5, %%mm0 \n\t" /* a3+b3 a2+b2 */ \
+ "psubd %%mm5, %%mm4 \n\t" /* 5 ; a3-b3 a2-b2 */ \
+ "psrad $11, %%mm0 \n\t" /* y3=a3+b3 y2=a2+b2 */ \
+ "psrad $11, %%mm4 \n\t" /* y4=a3-b3 y5=a2-b2 */ \
+ "packssdw %%mm0, %%mm1 \n\t" /* 0 ; y3 y2 y1 y0 */ \
+ "packssdw %%mm3, %%mm4 \n\t" /* 3 ; y6 y7 y4 y5 */ \
+ "movq %%mm4, %%mm7 \n\t" /* 7 ; y6 y7 y4 y5 */ \
+ "psrld $16, %%mm4 \n\t" /* 0 y6 0 y4 */ \
+ "pslld $16, %%mm7 \n\t" /* y7 0 y5 0 */ \
+ "movq %%mm1, "#A2" \n\t" /* 1 ; save y3 y2 y1 y0 */ \
+ "por %%mm4, %%mm7 \n\t" /* 4 ; y7 y6 y5 y4 */ \
+ "movq %%mm7, 8+"#A2" \n\t" /* 7 ; save y7 y6 y5 y4 */ \
+
+
+ // -----------------------------------------------------------------------------
// DCT_8_INV_ROW_XMM( INP, OUT, TABLE, ROUNDER
- //-----------------------------------------------------------------------------
-
- #define DCT_8_INV_ROW_XMM(A1,A2,A3,A4)\
- "movq " #A1 ",%%mm0 \n\t"/* 0 ; x3 x2 x1 x0*/\
- "movq 8+" #A1 ",%%mm1 \n\t"/* 1 ; x7 x6 x5 x4*/\
- "movq %%mm0,%%mm2 \n\t"/* 2 ; x3 x2 x1 x0*/\
- "movq " #A3 ",%%mm3 \n\t"/* 3 ; w05 w04 w01 w00*/\
- "pshufw $0x88,%%mm0,%%mm0 \n\t"/* x2 x0 x2 x0*/\
- "movq 8+" #A3 ",%%mm4 \n\t"/* 4 ; w07 w06 w03 w02*/\
- "movq %%mm1,%%mm5 \n\t"/* 5 ; x7 x6 x5 x4*/\
- "pmaddwd %%mm0,%%mm3 \n\t"/* x2*w05+x0*w04 x2*w01+x0*w00*/\
- "movq 32+" #A3 ",%%mm6 \n\t"/* 6 ; w21 w20 w17 w16*/\
- "pshufw $0x88,%%mm1,%%mm1 \n\t"/* x6 x4 x6 x4*/\
- "pmaddwd %%mm1,%%mm4 \n\t"/* x6*w07+x4*w06 x6*w03+x4*w02*/\
- "movq 40+" #A3 ",%%mm7 \n\t"/* 7 ; w23 w22 w19 w18*/\
- "pshufw $0xdd,%%mm2,%%mm2 \n\t"/* x3 x1 x3 x1*/\
- "pmaddwd %%mm2,%%mm6 \n\t"/* x3*w21+x1*w20 x3*w17+x1*w16*/\
- "pshufw $0xdd,%%mm5,%%mm5 \n\t"/* x7 x5 x7 x5*/\
- "pmaddwd %%mm5,%%mm7 \n\t"/* x7*w23+x5*w22 x7*w19+x5*w18*/\
- "paddd " #A4 ",%%mm3 \n\t"/* +%4*/\
- "pmaddwd 16+" #A3 ",%%mm0 \n\t"/* x2*w13+x0*w12 x2*w09+x0*w08*/\
- "paddd %%mm4,%%mm3 \n\t"/* 4 ; a1=sum(even1) a0=sum(even0)*/\
- "pmaddwd 24+" #A3 ",%%mm1 \n\t"/* x6*w15+x4*w14 x6*w11+x4*w10*/\
- "movq %%mm3,%%mm4 \n\t"/* 4 ; a1 a0*/\
- "pmaddwd 48+" #A3 ",%%mm2 \n\t"/* x3*w29+x1*w28 x3*w25+x1*w24*/\
- "paddd %%mm7,%%mm6 \n\t"/* 7 ; b1=sum(odd1) b0=sum(odd0)*/\
- "pmaddwd 56+" #A3 ",%%mm5 \n\t"/* x7*w31+x5*w30 x7*w27+x5*w26*/\
- "paddd %%mm6,%%mm3 \n\t"/* a1+b1 a0+b0*/\
- "paddd " #A4 ",%%mm0 \n\t"/* +%4*/\
- "psrad $11,%%mm3 \n\t"/* y1=a1+b1 y0=a0+b0*/\
- "paddd %%mm1,%%mm0 \n\t"/* 1 ; a3=sum(even3) a2=sum(even2)*/\
- "psubd %%mm6,%%mm4 \n\t"/* 6 ; a1-b1 a0-b0*/\
- "movq %%mm0,%%mm7 \n\t"/* 7 ; a3 a2*/\
- "paddd %%mm5,%%mm2 \n\t"/* 5 ; b3=sum(odd3) b2=sum(odd2)*/\
- "paddd %%mm2,%%mm0 \n\t"/* a3+b3 a2+b2*/\
- "psrad $11,%%mm4 \n\t"/* y6=a1-b1 y7=a0-b0*/\
- "psubd %%mm2,%%mm7 \n\t"/* 2 ; a3-b3 a2-b2*/\
- "psrad $11,%%mm0 \n\t"/* y3=a3+b3 y2=a2+b2*/\
- "psrad $11,%%mm7 \n\t"/* y4=a3-b3 y5=a2-b2*/\
- "packssdw %%mm0,%%mm3 \n\t"/* 0 ; y3 y2 y1 y0*/\
- "packssdw %%mm4,%%mm7 \n\t"/* 4 ; y6 y7 y4 y5*/\
- "movq %%mm3, " #A2 " \n\t"/* 3 ; save y3 y2 y1 y0*/\
- "pshufw $0xb1,%%mm7,%%mm7 \n\t"/* y7 y6 y5 y4*/\
- "movq %%mm7,8 +" #A2 "\n\t"/* 7 ; save y7 y6 y5 y4*/\
-
-
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
+
+ #define DCT_8_INV_ROW_XMM(A1, A2, A3, A4) \
+ "movq "#A1", %%mm0 \n\t" /* 0 ; x3 x2 x1 x0 */ \
+ "movq 8+"#A1", %%mm1 \n\t" /* 1 ; x7 x6 x5 x4 */ \
+ "movq %%mm0, %%mm2 \n\t" /* 2 ; x3 x2 x1 x0 */ \
+ "movq "#A3", %%mm3 \n\t" /* 3 ; w05 w04 w01 w00 */ \
+ "pshufw $0x88, %%mm0, %%mm0 \n\t" /* x2 x0 x2 x0 */ \
+ "movq 8+"#A3", %%mm4 \n\t" /* 4 ; w07 w06 w03 w02 */ \
+ "movq %%mm1, %%mm5 \n\t" /* 5 ; x7 x6 x5 x4 */ \
+ "pmaddwd %%mm0, %%mm3 \n\t" /* x2*w05+x0*w04 x2*w01+x0*w00 */ \
+ "movq 32+"#A3", %%mm6 \n\t" /* 6 ; w21 w20 w17 w16 */ \
+ "pshufw $0x88, %%mm1, %%mm1 \n\t" /* x6 x4 x6 x4 */ \
+ "pmaddwd %%mm1, %%mm4 \n\t" /* x6*w07+x4*w06 x6*w03+x4*w02 */ \
+ "movq 40+"#A3", %%mm7 \n\t" /* 7; w23 w22 w19 w18 */ \
+ "pshufw $0xdd, %%mm2, %%mm2 \n\t" /* x3 x1 x3 x1 */ \
+ "pmaddwd %%mm2, %%mm6 \n\t" /* x3*w21+x1*w20 x3*w17+x1*w16 */ \
+ "pshufw $0xdd, %%mm5, %%mm5 \n\t" /* x7 x5 x7 x5 */ \
+ "pmaddwd %%mm5, %%mm7 \n\t" /* x7*w23+x5*w22 x7*w19+x5*w18 */ \
+ "paddd "#A4", %%mm3 \n\t" /* +%4 */ \
+ "pmaddwd 16+"#A3", %%mm0 \n\t" /* x2*w13+x0*w12 x2*w09+x0*w08 */ \
+ "paddd %%mm4, %%mm3 \n\t" /* 4 ; a1=sum(even1) a0=sum(even0) */ \
+ "pmaddwd 24+"#A3", %%mm1 \n\t" /* x6*w15+x4*w14 x6*w11+x4*w10 */ \
+ "movq %%mm3, %%mm4 \n\t" /* 4 ; a1 a0 */ \
+ "pmaddwd 48+"#A3", %%mm2 \n\t" /* x3*w29+x1*w28 x3*w25+x1*w24 */ \
+ "paddd %%mm7, %%mm6 \n\t" /* 7 ; b1=sum(odd1) b0=sum(odd0) */ \
+ "pmaddwd 56+"#A3", %%mm5 \n\t" /* x7*w31+x5*w30 x7*w27+x5*w26 */ \
+ "paddd %%mm6, %%mm3 \n\t" /* a1+b1 a0+b0 */ \
+ "paddd "#A4", %%mm0 \n\t" /* +%4 */ \
+ "psrad $11, %%mm3 \n\t" /* y1=a1+b1 y0=a0+b0 */ \
+ "paddd %%mm1, %%mm0 \n\t" /* 1 ; a3=sum(even3) a2=sum(even2) */ \
+ "psubd %%mm6, %%mm4 \n\t" /* 6 ; a1-b1 a0-b0 */ \
+ "movq %%mm0, %%mm7 \n\t" /* 7 ; a3 a2 */ \
+ "paddd %%mm5, %%mm2 \n\t" /* 5 ; b3=sum(odd3) b2=sum(odd2) */ \
+ "paddd %%mm2, %%mm0 \n\t" /* a3+b3 a2+b2 */ \
+ "psrad $11, %%mm4 \n\t" /* y6=a1-b1 y7=a0-b0 */ \
+ "psubd %%mm2, %%mm7 \n\t" /* 2 ; a3-b3 a2-b2 */ \
+ "psrad $11, %%mm0 \n\t" /* y3=a3+b3 y2=a2+b2 */ \
+ "psrad $11, %%mm7 \n\t" /* y4=a3-b3 y5=a2-b2 */ \
+ "packssdw %%mm0, %%mm3 \n\t" /* 0 ; y3 y2 y1 y0 */ \
+ "packssdw %%mm4, %%mm7 \n\t" /* 4 ; y6 y7 y4 y5 */ \
+ "movq %%mm3, "#A2" \n\t" /* 3 ; save y3 y2 y1 y0 */ \
+ "pshufw $0xb1, %%mm7, %%mm7 \n\t" /* y7 y6 y5 y4 */ \
+ "movq %%mm7, 8+"#A2" \n\t" /* 7 ; save y7 y6 y5 y4 */ \
+
+
+ // -----------------------------------------------------------------------------
//
// The first stage DCT 8x8 - forward DCTs of columns
//
// for rows 3,5 - on cos_3_16
// and are shifted to the left for rise of accuracy
//
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
//
// The 8-point scaled forward DCT algorithm (26a8m)
//
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
//
- // #define DCT_8_FRW_COL(x, y)
- //{
- // short t0, t1, t2, t3, t4, t5, t6, t7;
- // short tp03, tm03, tp12, tm12, tp65, tm65;
- // short tp465, tm465, tp765, tm765;
+ //#define DCT_8_FRW_COL(x, y)
+ // {
+ // short t0, t1, t2, t3, t4, t5, t6, t7;
+ // short tp03, tm03, tp12, tm12, tp65, tm65;
+ // short tp465, tm465, tp765, tm765;
//
- // t0 = LEFT_SHIFT ( x[0] + x[7] );
- // t1 = LEFT_SHIFT ( x[1] + x[6] );
- // t2 = LEFT_SHIFT ( x[2] + x[5] );
- // t3 = LEFT_SHIFT ( x[3] + x[4] );
- // t4 = LEFT_SHIFT ( x[3] - x[4] );
- // t5 = LEFT_SHIFT ( x[2] - x[5] );
- // t6 = LEFT_SHIFT ( x[1] - x[6] );
- // t7 = LEFT_SHIFT ( x[0] - x[7] );
+ // t0 = LEFT_SHIFT(x[0] + x[7]);
+ // t1 = LEFT_SHIFT(x[1] + x[6]);
+ // t2 = LEFT_SHIFT(x[2] + x[5]);
+ // t3 = LEFT_SHIFT(x[3] + x[4]);
+ // t4 = LEFT_SHIFT(x[3] - x[4]);
+ // t5 = LEFT_SHIFT(x[2] - x[5]);
+ // t6 = LEFT_SHIFT(x[1] - x[6]);
+ // t7 = LEFT_SHIFT(x[0] - x[7]);
//
- // tp03 = t0 + t3;
- // tm03 = t0 - t3;
- // tp12 = t1 + t2;
- // tm12 = t1 - t2;
+ // tp03 = t0 + t3;
+ // tm03 = t0 - t3;
+ // tp12 = t1 + t2;
+ // tm12 = t1 - t2;
//
- // y[0] = tp03 + tp12;
- // y[4] = tp03 - tp12;
+ // y[0] = tp03 + tp12;
+ // y[4] = tp03 - tp12;
//
- // y[2] = tm03 + tm12 * tg_2_16;
- // y[6] = tm03 * tg_2_16 - tm12;
+ // y[2] = tm03 + tm12 * tg_2_16;
+ // y[6] = tm03 * tg_2_16 - tm12;
//
- // tp65 =(t6 +t5 )*cos_4_16;
- // tm65 =(t6 -t5 )*cos_4_16;
+ // tp65 = (t6 + t5) * cos_4_16;
+ // tm65 = (t6 - t5) * cos_4_16;
//
- // tp765 = t7 + tp65;
- // tm765 = t7 - tp65;
- // tp465 = t4 + tm65;
- // tm465 = t4 - tm65;
+ // tp765 = t7 + tp65;
+ // tm765 = t7 - tp65;
+ // tp465 = t4 + tm65;
+ // tm465 = t4 - tm65;
//
- // y[1] = tp765 + tp465 * tg_1_16;
- // y[7] = tp765 * tg_1_16 - tp465;
- // y[5] = tm765 * tg_3_16 + tm465;
- // y[3] = tm765 - tm465 * tg_3_16;
- //}
+ // y[1] = tp765 + tp465 * tg_1_16;
+ // y[7] = tp765 * tg_1_16 - tp465;
+ // y[5] = tm765 * tg_3_16 + tm465;
+ // y[3] = tm765 - tm465 * tg_3_16;
+ // }
//
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// DCT_8_INV_COL_4 INP,OUT
- //-----------------------------------------------------------------------------
-
- #define DCT_8_INV_COL(A1,A2)\
- "movq 2*8(%3),%%mm0\n\t"\
- "movq 16*3+" #A1 ",%%mm3\n\t"\
- "movq %%mm0,%%mm1 \n\t"/* tg_3_16*/\
- "movq 16*5+" #A1 ",%%mm5\n\t"\
- "pmulhw %%mm3,%%mm0 \n\t"/* x3*(tg_3_16-1)*/\
- "movq (%3),%%mm4\n\t"\
- "pmulhw %%mm5,%%mm1 \n\t"/* x5*(tg_3_16-1)*/\
- "movq 16*7+" #A1 ",%%mm7\n\t"\
- "movq %%mm4,%%mm2 \n\t"/* tg_1_16*/\
- "movq 16*1+" #A1 ",%%mm6\n\t"\
- "pmulhw %%mm7,%%mm4 \n\t"/* x7*tg_1_16*/\
- "paddsw %%mm3,%%mm0 \n\t"/* x3*tg_3_16*/\
- "pmulhw %%mm6,%%mm2 \n\t"/* x1*tg_1_16*/\
- "paddsw %%mm3,%%mm1 \n\t"/* x3+x5*(tg_3_16-1)*/\
- "psubsw %%mm5,%%mm0 \n\t"/* x3*tg_3_16-x5 = tm35*/\
- "movq 3*8(%3),%%mm3\n\t"\
- "paddsw %%mm5,%%mm1 \n\t"/* x3+x5*tg_3_16 = tp35*/\
- "paddsw %%mm6,%%mm4 \n\t"/* x1+tg_1_16*x7 = tp17*/\
- "psubsw %%mm7,%%mm2 \n\t"/* x1*tg_1_16-x7 = tm17*/\
- "movq %%mm4,%%mm5 \n\t"/* tp17*/\
- "movq %%mm2,%%mm6 \n\t"/* tm17*/\
- "paddsw %%mm1,%%mm5 \n\t"/* tp17+tp35 = b0*/\
- "psubsw %%mm0,%%mm6 \n\t"/* tm17-tm35 = b3*/\
- "psubsw %%mm1,%%mm4 \n\t"/* tp17-tp35 = t1*/\
- "paddsw %%mm0,%%mm2 \n\t"/* tm17+tm35 = t2*/\
- "movq 1*8(%3),%%mm7\n\t"\
- "movq %%mm4,%%mm1 \n\t"/* t1*/\
- "movq %%mm5,3*16 +" #A2 "\n\t"/* save b0*/\
- "paddsw %%mm2,%%mm1 \n\t"/* t1+t2*/\
- "movq %%mm6,5*16 +" #A2 "\n\t"/* save b3*/\
- "psubsw %%mm2,%%mm4 \n\t"/* t1-t2*/\
- "movq 2*16+" #A1 ",%%mm5\n\t"\
- "movq %%mm7,%%mm0 \n\t"/* tg_2_16*/\
- "movq 6*16+" #A1 ",%%mm6\n\t"\
- "pmulhw %%mm5,%%mm0 \n\t"/* x2*tg_2_16*/\
- "pmulhw %%mm6,%%mm7 \n\t"/* x6*tg_2_16*/\
- "pmulhw %%mm3,%%mm1 \n\t"/* ocos_4_16*(t1+t2) = b1/2*/\
- "movq 0*16+" #A1 ",%%mm2\n\t"\
- "pmulhw %%mm3,%%mm4 \n\t"/* ocos_4_16*(t1-t2) = b2/2*/\
- "psubsw %%mm6,%%mm0 \n\t"/* t2*tg_2_16-x6 = tm26*/\
- "movq %%mm2,%%mm3 \n\t"/* x0*/\
- "movq 4*16+" #A1 ",%%mm6\n\t"\
- "paddsw %%mm5,%%mm7 \n\t"/* x2+x6*tg_2_16 = tp26*/\
- "paddsw %%mm6,%%mm2 \n\t"/* x0+x4 = tp04*/\
- "psubsw %%mm6,%%mm3 \n\t"/* x0-x4 = tm04*/\
- "movq %%mm2,%%mm5 \n\t"/* tp04*/\
- "movq %%mm3,%%mm6 \n\t"/* tm04*/\
- "psubsw %%mm7,%%mm2 \n\t"/* tp04-tp26 = a3*/\
- "paddsw %%mm0,%%mm3 \n\t"/* tm04+tm26 = a1*/\
- "paddsw %%mm1,%%mm1 \n\t"/* b1*/\
- "paddsw %%mm4,%%mm4 \n\t"/* b2*/\
- "paddsw %%mm7,%%mm5 \n\t"/* tp04+tp26 = a0*/\
- "psubsw %%mm0,%%mm6 \n\t"/* tm04-tm26 = a2*/\
- "movq %%mm3,%%mm7 \n\t"/* a1*/\
- "movq %%mm6,%%mm0 \n\t"/* a2*/\
- "paddsw %%mm1,%%mm3 \n\t"/* a1+b1*/\
- "paddsw %%mm4,%%mm6 \n\t"/* a2+b2*/\
- "psraw $6,%%mm3 \n\t"/* dst1*/\
- "psubsw %%mm1,%%mm7 \n\t"/* a1-b1*/\
- "psraw $6,%%mm6 \n\t"/* dst2*/\
- "psubsw %%mm4,%%mm0 \n\t"/* a2-b2*/\
- "movq 3*16+" #A2 ",%%mm1 \n\t"/* load b0*/\
- "psraw $6,%%mm7 \n\t"/* dst6*/\
- "movq %%mm5,%%mm4 \n\t"/* a0*/\
- "psraw $6,%%mm0 \n\t"/* dst5*/\
- "movq %%mm3,1*16+" #A2 "\n\t"\
- "paddsw %%mm1,%%mm5 \n\t"/* a0+b0*/\
- "movq %%mm6,2*16+" #A2 "\n\t"\
- "psubsw %%mm1,%%mm4 \n\t"/* a0-b0*/\
- "movq 5*16+" #A2 ",%%mm3 \n\t"/* load b3*/\
- "psraw $6,%%mm5 \n\t"/* dst0*/\
- "movq %%mm2,%%mm6 \n\t"/* a3*/\
- "psraw $6,%%mm4 \n\t"/* dst7*/\
- "movq %%mm0,5*16+" #A2 "\n\t"\
- "paddsw %%mm3,%%mm2 \n\t"/* a3+b3*/\
- "movq %%mm7,6*16+" #A2 "\n\t"\
- "psubsw %%mm3,%%mm6 \n\t"/* a3-b3*/\
- "movq %%mm5,0*16+" #A2 "\n\t"\
- "psraw $6,%%mm2 \n\t"/* dst3*/\
- "movq %%mm4,7*16+" #A2 "\n\t"\
- "psraw $6,%%mm6 \n\t"/* dst4*/\
- "movq %%mm2,3*16+" #A2 "\n\t"\
- "movq %%mm6,4*16+" #A2 "\n\t"
-
- //=============================================================================
+ // -----------------------------------------------------------------------------
+
+ #define DCT_8_INV_COL(A1, A2) \
+ "movq 2*8(%3), %%mm0 \n\t" \
+ "movq 16*3+"#A1", %%mm3 \n\t" \
+ "movq %%mm0, %%mm1 \n\t" /* tg_3_16 */ \
+ "movq 16*5+"#A1", %%mm5 \n\t" \
+ "pmulhw %%mm3, %%mm0 \n\t" /* x3*(tg_3_16-1) */ \
+ "movq (%3), %%mm4 \n\t" \
+ "pmulhw %%mm5, %%mm1 \n\t" /* x5*(tg_3_16-1) */ \
+ "movq 16*7+"#A1", %%mm7 \n\t" \
+ "movq %%mm4, %%mm2 \n\t" /* tg_1_16 */ \
+ "movq 16*1+"#A1", %%mm6 \n\t" \
+ "pmulhw %%mm7, %%mm4 \n\t" /* x7*tg_1_16 */ \
+ "paddsw %%mm3, %%mm0 \n\t" /* x3*tg_3_16 */ \
+ "pmulhw %%mm6, %%mm2 \n\t" /* x1*tg_1_16 */ \
+ "paddsw %%mm3, %%mm1 \n\t" /* x3+x5*(tg_3_16-1) */ \
+ "psubsw %%mm5, %%mm0 \n\t" /* x3*tg_3_16-x5 = tm35 */ \
+ "movq 3*8(%3), %%mm3 \n\t" \
+ "paddsw %%mm5, %%mm1 \n\t" /* x3+x5*tg_3_16 = tp35 */ \
+ "paddsw %%mm6, %%mm4 \n\t" /* x1+tg_1_16*x7 = tp17 */ \
+ "psubsw %%mm7, %%mm2 \n\t" /* x1*tg_1_16-x7 = tm17 */ \
+ "movq %%mm4, %%mm5 \n\t" /* tp17 */ \
+ "movq %%mm2, %%mm6 \n\t" /* tm17 */ \
+ "paddsw %%mm1, %%mm5 \n\t" /* tp17+tp35 = b0 */ \
+ "psubsw %%mm0, %%mm6 \n\t" /* tm17-tm35 = b3 */ \
+ "psubsw %%mm1, %%mm4 \n\t" /* tp17-tp35 = t1 */ \
+ "paddsw %%mm0, %%mm2 \n\t" /* tm17+tm35 = t2 */ \
+ "movq 1*8(%3), %%mm7 \n\t" \
+ "movq %%mm4, %%mm1 \n\t" /* t1 */ \
+ "movq %%mm5, 3*16+"#A2" \n\t" /* save b0 */ \
+ "paddsw %%mm2, %%mm1 \n\t" /* t1+t2 */ \
+ "movq %%mm6, 5*16+"#A2" \n\t" /* save b3 */ \
+ "psubsw %%mm2, %%mm4 \n\t" /* t1-t2 */ \
+ "movq 2*16+"#A1", %%mm5 \n\t" \
+ "movq %%mm7, %%mm0 \n\t" /* tg_2_16 */ \
+ "movq 6*16+"#A1", %%mm6 \n\t" \
+ "pmulhw %%mm5, %%mm0 \n\t" /* x2*tg_2_16 */ \
+ "pmulhw %%mm6, %%mm7 \n\t" /* x6*tg_2_16 */ \
+ "pmulhw %%mm3, %%mm1 \n\t" /* ocos_4_16*(t1+t2) = b1/2 */ \
+ "movq 0*16+"#A1", %%mm2 \n\t" \
+ "pmulhw %%mm3, %%mm4 \n\t" /* ocos_4_16*(t1-t2) = b2/2 */ \
+ "psubsw %%mm6, %%mm0 \n\t" /* t2*tg_2_16-x6 = tm26 */ \
+ "movq %%mm2, %%mm3 \n\t" /* x0 */ \
+ "movq 4*16+"#A1", %%mm6 \n\t" \
+ "paddsw %%mm5, %%mm7 \n\t" /* x2+x6*tg_2_16 = tp26 */ \
+ "paddsw %%mm6, %%mm2 \n\t" /* x0+x4 = tp04 */ \
+ "psubsw %%mm6, %%mm3 \n\t" /* x0-x4 = tm04 */ \
+ "movq %%mm2, %%mm5 \n\t" /* tp04 */ \
+ "movq %%mm3, %%mm6 \n\t" /* tm04 */ \
+ "psubsw %%mm7, %%mm2 \n\t" /* tp04-tp26 = a3 */ \
+ "paddsw %%mm0, %%mm3 \n\t" /* tm04+tm26 = a1 */ \
+ "paddsw %%mm1, %%mm1 \n\t" /* b1 */ \
+ "paddsw %%mm4, %%mm4 \n\t" /* b2 */ \
+ "paddsw %%mm7, %%mm5 \n\t" /* tp04+tp26 = a0 */ \
+ "psubsw %%mm0, %%mm6 \n\t" /* tm04-tm26 = a2 */ \
+ "movq %%mm3, %%mm7 \n\t" /* a1 */ \
+ "movq %%mm6, %%mm0 \n\t" /* a2 */ \
+ "paddsw %%mm1, %%mm3 \n\t" /* a1+b1 */ \
+ "paddsw %%mm4, %%mm6 \n\t" /* a2+b2 */ \
+ "psraw $6, %%mm3 \n\t" /* dst1 */ \
+ "psubsw %%mm1, %%mm7 \n\t" /* a1-b1 */ \
+ "psraw $6, %%mm6 \n\t" /* dst2 */ \
+ "psubsw %%mm4, %%mm0 \n\t" /* a2-b2 */ \
+ "movq 3*16+"#A2", %%mm1 \n\t" /* load b0 */ \
+ "psraw $6, %%mm7 \n\t" /* dst6 */ \
+ "movq %%mm5, %%mm4 \n\t" /* a0 */ \
+ "psraw $6, %%mm0 \n\t" /* dst5 */ \
+ "movq %%mm3, 1*16+"#A2" \n\t" \
+ "paddsw %%mm1, %%mm5 \n\t" /* a0+b0 */ \
+ "movq %%mm6, 2*16+"#A2" \n\t" \
+ "psubsw %%mm1, %%mm4 \n\t" /* a0-b0 */ \
+ "movq 5*16+"#A2", %%mm3 \n\t" /* load b3 */ \
+ "psraw $6, %%mm5 \n\t" /* dst0 */ \
+ "movq %%mm2, %%mm6 \n\t" /* a3 */ \
+ "psraw $6, %%mm4 \n\t" /* dst7 */ \
+ "movq %%mm0, 5*16+"#A2" \n\t" \
+ "paddsw %%mm3, %%mm2 \n\t" /* a3+b3 */ \
+ "movq %%mm7, 6*16+"#A2" \n\t" \
+ "psubsw %%mm3, %%mm6 \n\t" /* a3-b3 */ \
+ "movq %%mm5, 0*16+"#A2" \n\t" \
+ "psraw $6, %%mm2 \n\t" /* dst3 */ \
+ "movq %%mm4, 7*16+"#A2" \n\t" \
+ "psraw $6, %%mm6 \n\t" /* dst4 */ \
+ "movq %%mm2, 3*16+"#A2" \n\t" \
+ "movq %%mm6, 4*16+"#A2" \n\t" \
+
+ // =============================================================================
// Code
- //=============================================================================
+ // =============================================================================
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// void idct_mmx(uint16_t block[64]);
- //-----------------------------------------------------------------------------
-
+ // -----------------------------------------------------------------------------
void ff_xvid_idct_mmx(short *block)
{
- __asm__ volatile(
- //# Process each row
- DCT_8_INV_ROW_MMX(0*16(%0), 0*16(%0), 64*0(%2), 8*0(%1))
- DCT_8_INV_ROW_MMX(1*16(%0), 1*16(%0), 64*1(%2), 8*1(%1))
- DCT_8_INV_ROW_MMX(2*16(%0), 2*16(%0), 64*2(%2), 8*2(%1))
- DCT_8_INV_ROW_MMX(3*16(%0), 3*16(%0), 64*3(%2), 8*3(%1))
- DCT_8_INV_ROW_MMX(4*16(%0), 4*16(%0), 64*0(%2), 8*4(%1))
- DCT_8_INV_ROW_MMX(5*16(%0), 5*16(%0), 64*3(%2), 8*5(%1))
- DCT_8_INV_ROW_MMX(6*16(%0), 6*16(%0), 64*2(%2), 8*6(%1))
- DCT_8_INV_ROW_MMX(7*16(%0), 7*16(%0), 64*1(%2), 8*7(%1))
-
- //# Process the columns (4 at a time)
- DCT_8_INV_COL(0(%0), 0(%0))
- DCT_8_INV_COL(8(%0), 8(%0))
- :: "r"(block), "r"(rounder_0), "r"(tab_i_04_mmx), "r"(tg_1_16));
+ __asm__ volatile (
+ // # Process each row
+ DCT_8_INV_ROW_MMX(0 * 16(%0), 0 * 16(%0), 64 * 0(%2), 8 * 0(%1))
+ DCT_8_INV_ROW_MMX(1 * 16(%0), 1 * 16(%0), 64 * 1(%2), 8 * 1(%1))
+ DCT_8_INV_ROW_MMX(2 * 16(%0), 2 * 16(%0), 64 * 2(%2), 8 * 2(%1))
+ DCT_8_INV_ROW_MMX(3 * 16(%0), 3 * 16(%0), 64 * 3(%2), 8 * 3(%1))
+ DCT_8_INV_ROW_MMX(4 * 16(%0), 4 * 16(%0), 64 * 0(%2), 8 * 4(%1))
+ DCT_8_INV_ROW_MMX(5 * 16(%0), 5 * 16(%0), 64 * 3(%2), 8 * 5(%1))
+ DCT_8_INV_ROW_MMX(6 * 16(%0), 6 * 16(%0), 64 * 2(%2), 8 * 6(%1))
+ DCT_8_INV_ROW_MMX(7 * 16(%0), 7 * 16(%0), 64 * 1(%2), 8 * 7(%1))
+
+ // # Process the columns (4 at a time)
+ DCT_8_INV_COL(0(%0), 0(%0))
+ DCT_8_INV_COL(8(%0), 8(%0))
+ :: "r" (block), "r" (rounder_0), "r" (tab_i_04_mmx), "r" (tg_1_16));
}
void ff_xvid_idct_mmx_put(uint8_t *dest, int line_size, int16_t *block)
#if HAVE_MMXEXT_INLINE
- //-----------------------------------------------------------------------------
+ // -----------------------------------------------------------------------------
// void idct_xmm(uint16_t block[64]);
- //-----------------------------------------------------------------------------
-
+ // -----------------------------------------------------------------------------
void ff_xvid_idct_mmxext(short *block)
{
- __asm__ volatile(
- //# Process each row
- DCT_8_INV_ROW_XMM(0*16(%0), 0*16(%0), 64*0(%2), 8*0(%1))
- DCT_8_INV_ROW_XMM(1*16(%0), 1*16(%0), 64*1(%2), 8*1(%1))
- DCT_8_INV_ROW_XMM(2*16(%0), 2*16(%0), 64*2(%2), 8*2(%1))
- DCT_8_INV_ROW_XMM(3*16(%0), 3*16(%0), 64*3(%2), 8*3(%1))
- DCT_8_INV_ROW_XMM(4*16(%0), 4*16(%0), 64*0(%2), 8*4(%1))
- DCT_8_INV_ROW_XMM(5*16(%0), 5*16(%0), 64*3(%2), 8*5(%1))
- DCT_8_INV_ROW_XMM(6*16(%0), 6*16(%0), 64*2(%2), 8*6(%1))
- DCT_8_INV_ROW_XMM(7*16(%0), 7*16(%0), 64*1(%2), 8*7(%1))
-
- //# Process the columns (4 at a time)
- DCT_8_INV_COL(0(%0), 0(%0))
- DCT_8_INV_COL(8(%0), 8(%0))
- :: "r"(block), "r"(rounder_0), "r"(tab_i_04_xmm), "r"(tg_1_16));
+ __asm__ volatile (
+ // # Process each row
+ DCT_8_INV_ROW_XMM(0 * 16(%0), 0 * 16(%0), 64 * 0(%2), 8 * 0(%1))
+ DCT_8_INV_ROW_XMM(1 * 16(%0), 1 * 16(%0), 64 * 1(%2), 8 * 1(%1))
+ DCT_8_INV_ROW_XMM(2 * 16(%0), 2 * 16(%0), 64 * 2(%2), 8 * 2(%1))
+ DCT_8_INV_ROW_XMM(3 * 16(%0), 3 * 16(%0), 64 * 3(%2), 8 * 3(%1))
+ DCT_8_INV_ROW_XMM(4 * 16(%0), 4 * 16(%0), 64 * 0(%2), 8 * 4(%1))
+ DCT_8_INV_ROW_XMM(5 * 16(%0), 5 * 16(%0), 64 * 3(%2), 8 * 5(%1))
+ DCT_8_INV_ROW_XMM(6 * 16(%0), 6 * 16(%0), 64 * 2(%2), 8 * 6(%1))
+ DCT_8_INV_ROW_XMM(7 * 16(%0), 7 * 16(%0), 64 * 1(%2), 8 * 7(%1))
+
+ // # Process the columns (4 at a time)
+ DCT_8_INV_COL(0(%0), 0(%0))
+ DCT_8_INV_COL(8(%0), 8(%0))
+ :: "r" (block), "r" (rounder_0), "r" (tab_i_04_xmm), "r" (tg_1_16));
}
void ff_xvid_idct_mmxext_put(uint8_t *dest, int line_size, int16_t *block)
*
* Originally from dct/x86_asm/fdct_sse2_skal.asm in Xvid.
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
* Vertical pass is an implementation of the scheme:
* Loeffler C., Ligtenberg A., and Moschytz C.S.:
*
* More details at http://skal.planet-d.net/coding/dct.html
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* 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 License
- * along with Libav; if not, write to the Free Software Foundation,
+ * along with FFmpeg; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"
* @brief SSE2 IDCT compatible with the Xvid IDCT
*/
- #define X8(x) x,x,x,x,x,x,x,x
+ #define X8(x) x, x, x, x, x, x, x, x
- DECLARE_ASM_CONST(16, int16_t, tan1)[] = {X8(13036)}; // tan( pi/16)
- DECLARE_ASM_CONST(16, int16_t, tan2)[] = {X8(27146)}; // tan(2pi/16) = sqrt(2)-1
- DECLARE_ASM_CONST(16, int16_t, tan3)[] = {X8(43790)}; // tan(3pi/16)-1
- DECLARE_ASM_CONST(16, int16_t, sqrt2)[]= {X8(23170)}; // 0.5/sqrt(2)
- DECLARE_ASM_CONST(8, uint8_t, m127)[] = {X8(127)};
+ DECLARE_ASM_CONST(16, int16_t, tan1)[] = { X8(13036) }; // tan( pi/16)
+ DECLARE_ASM_CONST(16, int16_t, tan2)[] = { X8(27146) }; // tan(2pi/16) = sqrt(2)-1
+ DECLARE_ASM_CONST(16, int16_t, tan3)[] = { X8(43790) }; // tan(3pi/16)-1
+ DECLARE_ASM_CONST(16, int16_t, sqrt2)[] = { X8(23170) }; // 0.5/sqrt(2)
+ DECLARE_ASM_CONST(8, uint8_t, m127)[] = { X8(127) };
DECLARE_ASM_CONST(16, int16_t, iTab1)[] = {
- 0x4000, 0x539f, 0xc000, 0xac61, 0x4000, 0xdd5d, 0x4000, 0xdd5d,
- 0x4000, 0x22a3, 0x4000, 0x22a3, 0xc000, 0x539f, 0x4000, 0xac61,
- 0x3249, 0x11a8, 0x4b42, 0xee58, 0x11a8, 0x4b42, 0x11a8, 0xcdb7,
- 0x58c5, 0x4b42, 0xa73b, 0xcdb7, 0x3249, 0xa73b, 0x4b42, 0xa73b
+ 0x4000, 0x539f, 0xc000, 0xac61, 0x4000, 0xdd5d, 0x4000, 0xdd5d,
+ 0x4000, 0x22a3, 0x4000, 0x22a3, 0xc000, 0x539f, 0x4000, 0xac61,
+ 0x3249, 0x11a8, 0x4b42, 0xee58, 0x11a8, 0x4b42, 0x11a8, 0xcdb7,
+ 0x58c5, 0x4b42, 0xa73b, 0xcdb7, 0x3249, 0xa73b, 0x4b42, 0xa73b
};
DECLARE_ASM_CONST(16, int16_t, iTab2)[] = {
- 0x58c5, 0x73fc, 0xa73b, 0x8c04, 0x58c5, 0xcff5, 0x58c5, 0xcff5,
- 0x58c5, 0x300b, 0x58c5, 0x300b, 0xa73b, 0x73fc, 0x58c5, 0x8c04,
- 0x45bf, 0x187e, 0x6862, 0xe782, 0x187e, 0x6862, 0x187e, 0xba41,
- 0x7b21, 0x6862, 0x84df, 0xba41, 0x45bf, 0x84df, 0x6862, 0x84df
+ 0x58c5, 0x73fc, 0xa73b, 0x8c04, 0x58c5, 0xcff5, 0x58c5, 0xcff5,
+ 0x58c5, 0x300b, 0x58c5, 0x300b, 0xa73b, 0x73fc, 0x58c5, 0x8c04,
+ 0x45bf, 0x187e, 0x6862, 0xe782, 0x187e, 0x6862, 0x187e, 0xba41,
+ 0x7b21, 0x6862, 0x84df, 0xba41, 0x45bf, 0x84df, 0x6862, 0x84df
};
DECLARE_ASM_CONST(16, int16_t, iTab3)[] = {
- 0x539f, 0x6d41, 0xac61, 0x92bf, 0x539f, 0xd2bf, 0x539f, 0xd2bf,
- 0x539f, 0x2d41, 0x539f, 0x2d41, 0xac61, 0x6d41, 0x539f, 0x92bf,
- 0x41b3, 0x1712, 0x6254, 0xe8ee, 0x1712, 0x6254, 0x1712, 0xbe4d,
- 0x73fc, 0x6254, 0x8c04, 0xbe4d, 0x41b3, 0x8c04, 0x6254, 0x8c04
+ 0x539f, 0x6d41, 0xac61, 0x92bf, 0x539f, 0xd2bf, 0x539f, 0xd2bf,
+ 0x539f, 0x2d41, 0x539f, 0x2d41, 0xac61, 0x6d41, 0x539f, 0x92bf,
+ 0x41b3, 0x1712, 0x6254, 0xe8ee, 0x1712, 0x6254, 0x1712, 0xbe4d,
+ 0x73fc, 0x6254, 0x8c04, 0xbe4d, 0x41b3, 0x8c04, 0x6254, 0x8c04
};
DECLARE_ASM_CONST(16, int16_t, iTab4)[] = {
- 0x4b42, 0x6254, 0xb4be, 0x9dac, 0x4b42, 0xd746, 0x4b42, 0xd746,
- 0x4b42, 0x28ba, 0x4b42, 0x28ba, 0xb4be, 0x6254, 0x4b42, 0x9dac,
- 0x3b21, 0x14c3, 0x587e, 0xeb3d, 0x14c3, 0x587e, 0x14c3, 0xc4df,
- 0x6862, 0x587e, 0x979e, 0xc4df, 0x3b21, 0x979e, 0x587e, 0x979e
+ 0x4b42, 0x6254, 0xb4be, 0x9dac, 0x4b42, 0xd746, 0x4b42, 0xd746,
+ 0x4b42, 0x28ba, 0x4b42, 0x28ba, 0xb4be, 0x6254, 0x4b42, 0x9dac,
+ 0x3b21, 0x14c3, 0x587e, 0xeb3d, 0x14c3, 0x587e, 0x14c3, 0xc4df,
+ 0x6862, 0x587e, 0x979e, 0xc4df, 0x3b21, 0x979e, 0x587e, 0x979e
};
DECLARE_ASM_CONST(16, int32_t, walkenIdctRounders)[] = {
- 65536, 65536, 65536, 65536,
- 3597, 3597, 3597, 3597,
- 2260, 2260, 2260, 2260,
- 1203, 1203, 1203, 1203,
- 120, 120, 120, 120,
- 512, 512, 512, 512
+ 65536, 65536, 65536, 65536,
+ 3597, 3597, 3597, 3597,
+ 2260, 2260, 2260, 2260,
+ 1203, 1203, 1203, 1203,
+ 120, 120, 120, 120,
+ 512, 512, 512, 512
};
// Temporary storage before the column pass
#endif
-#define ROUND(x) "paddd "MANGLE(x)
+#define ROUND(x) "paddd "x
#define JZ(reg, to) \
"testl "reg","reg" \n\t" \
"pmovmskb %%mm1, "reg" \n\t"
#define TEST_TWO_ROWS(row1, row2, reg1, reg2, clear1, clear2) \
- clear1 \
- clear2 \
- "movq "row1", %%mm1 \n\t" \
- "por 8+"row1", %%mm1 \n\t" \
- "movq "row2", %%mm2 \n\t" \
- "por 8+"row2", %%mm2 \n\t" \
- "paddusb %%mm0, %%mm1 \n\t" \
- "paddusb %%mm0, %%mm2 \n\t" \
- "pmovmskb %%mm1, "reg1" \n\t" \
+ clear1 \
+ clear2 \
+ "movq "row1", %%mm1 \n\t" \
+ "por 8+"row1", %%mm1 \n\t" \
+ "movq "row2", %%mm2 \n\t" \
+ "por 8+"row2", %%mm2 \n\t" \
+ "paddusb %%mm0, %%mm1 \n\t" \
+ "paddusb %%mm0, %%mm2 \n\t" \
+ "pmovmskb %%mm1, "reg1" \n\t" \
"pmovmskb %%mm2, "reg2" \n\t"
- ///IDCT pass on rows.
- #define iMTX_MULT(src, table, rounder, put) \
- "movdqa "src", %%xmm3 \n\t" \
- "movdqa %%xmm3, %%xmm0 \n\t" \
+ /// IDCT pass on rows.
+ #define iMTX_MULT(src, table, rounder, put) \
+ "movdqa "src", %%xmm3 \n\t" \
+ "movdqa %%xmm3, %%xmm0 \n\t" \
"pshufd $0x11, %%xmm3, %%xmm1 \n\t" /* 4602 */ \
"punpcklqdq %%xmm0, %%xmm0 \n\t" /* 0246 */ \
- "pmaddwd "table", %%xmm0 \n\t" \
- "pmaddwd 16+"table", %%xmm1 \n\t" \
+ "pmaddwd "table", %%xmm0 \n\t" \
+ "pmaddwd 16+"table", %%xmm1 \n\t" \
"pshufd $0xBB, %%xmm3, %%xmm2 \n\t" /* 5713 */ \
"punpckhqdq %%xmm3, %%xmm3 \n\t" /* 1357 */ \
- "pmaddwd 32+"table", %%xmm2 \n\t" \
- "pmaddwd 48+"table", %%xmm3 \n\t" \
- "paddd %%xmm1, %%xmm0 \n\t" \
- "paddd %%xmm3, %%xmm2 \n\t" \
- rounder", %%xmm0 \n\t" \
- "movdqa %%xmm2, %%xmm3 \n\t" \
- "paddd %%xmm0, %%xmm2 \n\t" \
- "psubd %%xmm3, %%xmm0 \n\t" \
- "psrad $11, %%xmm2 \n\t" \
- "psrad $11, %%xmm0 \n\t" \
- "packssdw %%xmm0, %%xmm2 \n\t" \
- put \
+ "pmaddwd 32+"table", %%xmm2 \n\t" \
+ "pmaddwd 48+"table", %%xmm3 \n\t" \
+ "paddd %%xmm1, %%xmm0 \n\t" \
+ "paddd %%xmm3, %%xmm2 \n\t" \
+ rounder", %%xmm0 \n\t" \
+ "movdqa %%xmm2, %%xmm3 \n\t" \
+ "paddd %%xmm0, %%xmm2 \n\t" \
+ "psubd %%xmm3, %%xmm0 \n\t" \
+ "psrad $11, %%xmm2 \n\t" \
+ "psrad $11, %%xmm0 \n\t" \
+ "packssdw %%xmm0, %%xmm2 \n\t" \
+ put \
"1: \n\t"
#define iLLM_HEAD \
"movdqa "MANGLE(tan3)", "TAN3" \n\t" \
"movdqa "MANGLE(tan1)", "TAN1" \n\t" \
- ///IDCT pass on columns.
+ /// IDCT pass on columns.
#define iLLM_PASS(dct) \
"movdqa "TAN3", %%xmm1 \n\t" \
"movdqa "TAN1", %%xmm3 \n\t" \
"movdqa "REG4", 4*16("dct") \n\t" \
"movdqa %%xmm7, 7*16("dct") \n\t"
- ///IDCT pass on columns, assuming rows 4-7 are zero.
+ /// IDCT pass on columns, assuming rows 4-7 are zero.
#define iLLM_PASS_SPARSE(dct) \
"pmulhw %%xmm4, "TAN3" \n\t" \
"paddsw %%xmm4, "TAN3" \n\t" \
"movdqa %%xmm6, 4*16("dct") \n\t" \
"movdqa "SREG2", 7*16("dct") \n\t"
-inline void ff_xvid_idct_sse2(short *block)
+av_extern_inline void ff_xvid_idct_sse2(short *block)
{
- __asm__ volatile(
- "movq "MANGLE(m127)", %%mm0 \n\t"
- iMTX_MULT("(%0)", MANGLE(iTab1), ROUND(MANGLE(walkenIdctRounders)), PUT_EVEN(ROW0))
- iMTX_MULT("1*16(%0)", MANGLE(iTab2), ROUND("1*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW1))
- iMTX_MULT("2*16(%0)", MANGLE(iTab3), ROUND("2*16+"MANGLE(walkenIdctRounders)), PUT_EVEN(ROW2))
-
- TEST_TWO_ROWS("3*16(%0)", "4*16(%0)", "%%eax", "%%ecx", CLEAR_ODD(ROW3), CLEAR_EVEN(ROW4))
- JZ("%%eax", "1f")
- iMTX_MULT("3*16(%0)", MANGLE(iTab4), ROUND("3*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW3))
-
- TEST_TWO_ROWS("5*16(%0)", "6*16(%0)", "%%eax", "%%edx", CLEAR_ODD(ROW5), CLEAR_EVEN(ROW6))
- TEST_ONE_ROW("7*16(%0)", "%%esi", CLEAR_ODD(ROW7))
- iLLM_HEAD
- ".p2align 4 \n\t"
- JNZ("%%ecx", "2f")
- JNZ("%%eax", "3f")
- JNZ("%%edx", "4f")
- JNZ("%%esi", "5f")
- iLLM_PASS_SPARSE("%0")
- "jmp 6f \n\t"
- "2: \n\t"
- iMTX_MULT("4*16(%0)", MANGLE(iTab1), "#", PUT_EVEN(ROW4))
- "3: \n\t"
- iMTX_MULT("5*16(%0)", MANGLE(iTab4), ROUND("4*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW5))
- JZ("%%edx", "1f")
- "4: \n\t"
- iMTX_MULT("6*16(%0)", MANGLE(iTab3), ROUND("5*16+"MANGLE(walkenIdctRounders)), PUT_EVEN(ROW6))
- JZ("%%esi", "1f")
- "5: \n\t"
- iMTX_MULT("7*16(%0)", MANGLE(iTab2), ROUND("5*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW7))
+ __asm__ volatile (
+ "movq "MANGLE (m127) ", %%mm0 \n\t"
- iMTX_MULT("(%0)", MANGLE(iTab1), ROUND(walkenIdctRounders), PUT_EVEN(ROW0))
- iMTX_MULT("1*16(%0)", MANGLE(iTab2), ROUND(walkenIdctRounders + 1 * 16), PUT_ODD(ROW1))
- iMTX_MULT("2*16(%0)", MANGLE(iTab3), ROUND(walkenIdctRounders + 2 * 16), PUT_EVEN(ROW2))
++ iMTX_MULT("(%0)", MANGLE(iTab1), ROUND(MANGLE(walkenIdctRounders)), PUT_EVEN(ROW0))
++ iMTX_MULT("1*16(%0)", MANGLE(iTab2), ROUND("1*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW1))
++ iMTX_MULT("2*16(%0)", MANGLE(iTab3), ROUND("2*16+"MANGLE(walkenIdctRounders)), PUT_EVEN(ROW2))
+
+ TEST_TWO_ROWS("3*16(%0)", "4*16(%0)", "%%eax", "%%ecx", CLEAR_ODD(ROW3), CLEAR_EVEN(ROW4))
+ JZ("%%eax", "1f")
- iMTX_MULT("3*16(%0)", MANGLE(iTab4), ROUND(walkenIdctRounders + 3 * 16), PUT_ODD(ROW3))
++ iMTX_MULT("3*16(%0)", MANGLE(iTab4), ROUND("3*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW3))
+
+ TEST_TWO_ROWS("5*16(%0)", "6*16(%0)", "%%eax", "%%edx", CLEAR_ODD(ROW5), CLEAR_EVEN(ROW6))
+ TEST_ONE_ROW("7*16(%0)", "%%esi", CLEAR_ODD(ROW7))
+ iLLM_HEAD
+ ".p2align 4 \n\t"
+ JNZ("%%ecx", "2f")
+ JNZ("%%eax", "3f")
+ JNZ("%%edx", "4f")
+ JNZ("%%esi", "5f")
+ iLLM_PASS_SPARSE("%0")
+ "jmp 6f \n\t"
+ "2: \n\t"
+ iMTX_MULT("4*16(%0)", MANGLE(iTab1), "#", PUT_EVEN(ROW4))
+ "3: \n\t"
- iMTX_MULT("5*16(%0)", MANGLE(iTab4), ROUND(walkenIdctRounders + 4 * 16), PUT_ODD(ROW5))
++ iMTX_MULT("5*16(%0)", MANGLE(iTab4), ROUND("4*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW5))
+ JZ("%%edx", "1f")
+ "4: \n\t"
- iMTX_MULT("6*16(%0)", MANGLE(iTab3), ROUND(walkenIdctRounders + 5 * 16), PUT_EVEN(ROW6))
++ iMTX_MULT("6*16(%0)", MANGLE(iTab3), ROUND("5*16+"MANGLE(walkenIdctRounders)), PUT_EVEN(ROW6))
+ JZ("%%esi", "1f")
+ "5: \n\t"
- iMTX_MULT("7*16(%0)", MANGLE(iTab2), ROUND(walkenIdctRounders + 5 * 16), PUT_ODD(ROW7))
++ iMTX_MULT("7*16(%0)", MANGLE(iTab2), ROUND("5*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW7))
#if ARCH_X86_32
- iLLM_HEAD
+ iLLM_HEAD
#endif
- iLLM_PASS("%0")
- "6: \n\t"
- : "+r"(block)
- : NAMED_CONSTRAINTS_ARRAY(m127,iTab1,walkenIdctRounders,iTab2,iTab3,iTab4,tan3,tan1,tan2,sqrt2)
- : XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" ,
- "%xmm4" , "%xmm5" , "%xmm6" , "%xmm7" ,)
+ iLLM_PASS("%0")
+ "6: \n\t"
+ : "+r" (block)
- :
++ : NAMED_CONSTRAINTS_ARRAY(m127,iTab1,walkenIdctRounders,iTab2,iTab3,iTab4,tan3,tan1,tan2,sqrt2)
+ : XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7", )
#if ARCH_X86_64
- XMM_CLOBBERS("%xmm8" , "%xmm9" , "%xmm10", "%xmm11",
- "%xmm12", "%xmm13", "%xmm14",)
+ XMM_CLOBBERS("%xmm8", "%xmm9", "%xmm10", "%xmm11",
+ "%xmm12", "%xmm13", "%xmm14", )
#endif
- "%eax", "%ecx", "%edx", "%esi", "memory"
- );
+ "%eax", "%ecx", "%edx", "%esi", "memory");
}
void ff_xvid_idct_sse2_put(uint8_t *dest, int line_size, short *block)
projects / ffmpeg / commitdiff