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x86: xvid: K&R formatting cosmetics

tags/n2.4
Diego Biurrun 10 years ago
parent
dcb7c868ec
commit
8d27bf1cff
2 changed files with 489 additions and 489 deletions
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  1. +392
    -391
      libavcodec/x86/xvididct_mmx.c
  2. +97
    -98
      libavcodec/x86/xvididct_sse2.c

+ 392
- 391
libavcodec/x86/xvididct_mmx.c View File

@@ -42,281 +42,284 @@
#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
//
@@ -327,169 +330,168 @@ DECLARE_ALIGNED(8, static const int16_t, tab_i_04_xmm)[32*4] = {
// 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)
@@ -508,28 +510,27 @@ void ff_xvid_idct_mmx_add(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)


+ 97
- 98
libavcodec/x86/xvididct_sse2.c View File

@@ -52,49 +52,49 @@
* @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
@@ -164,46 +164,46 @@ DECLARE_ASM_CONST(16, int32_t, walkenIdctRounders)[] = {
"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" \
@@ -281,7 +281,7 @@ DECLARE_ASM_CONST(16, int32_t, walkenIdctRounders)[] = {
"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" \
@@ -344,51 +344,50 @@ DECLARE_ASM_CONST(16, int32_t, walkenIdctRounders)[] = {

inline void ff_xvid_idct_sse2(short *block)
{
__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))
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))
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))
JZ("%%edx", "1f")
"4: \n\t"
iMTX_MULT("6*16(%0)", MANGLE(iTab3), ROUND(walkenIdctRounders+5*16), PUT_EVEN(ROW6))
JZ("%%esi", "1f")
"5: \n\t"
iMTX_MULT("7*16(%0)", MANGLE(iTab2), ROUND(walkenIdctRounders+5*16), 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))
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))
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))
JZ("%%edx", "1f")
"4: \n\t"
iMTX_MULT("6*16(%0)", MANGLE(iTab3), ROUND(walkenIdctRounders + 5 * 16), PUT_EVEN(ROW6))
JZ("%%esi", "1f")
"5: \n\t"
iMTX_MULT("7*16(%0)", MANGLE(iTab2), ROUND(walkenIdctRounders + 5 * 16), PUT_ODD(ROW7))
#if ARCH_X86_32
iLLM_HEAD
iLLM_HEAD
#endif
iLLM_PASS("%0")
"6: \n\t"
: "+r"(block)
:
: XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" ,
"%xmm4" , "%xmm5" , "%xmm6" , "%xmm7" ,)
iLLM_PASS("%0")
"6: \n\t"
: "+r" (block)
:
: 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)


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