diff options
author | Diego Biurrun <diego@biurrun.de> | 2014-08-27 02:58:08 +0200 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2014-08-27 05:58:04 -0700 |
commit | 8d27bf1cff35be406b0fd89d832e1852d4c573bc (patch) | |
tree | bf7d399cb7d9f70793175298a9eb03da0074e421 | |
parent | dcb7c868ec7af7d3a138b3254ef2e08f074d8ec5 (diff) | |
download | ffmpeg-8d27bf1cff35be406b0fd89d832e1852d4c573bc.tar.gz |
x86: xvid: K&R formatting cosmetics
-rw-r--r-- | libavcodec/x86/xvididct_mmx.c | 783 | ||||
-rw-r--r-- | libavcodec/x86/xvididct_sse2.c | 195 |
2 files changed, 489 insertions, 489 deletions
diff --git a/libavcodec/x86/xvididct_mmx.c b/libavcodec/x86/xvididct_mmx.c index 7fa7f71b25..e371142974 100644 --- a/libavcodec/x86/xvididct_mmx.c +++ b/libavcodec/x86/xvididct_mmx.c @@ -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) diff --git a/libavcodec/x86/xvididct_sse2.c b/libavcodec/x86/xvididct_sse2.c index 9a87df00b8..d4f01693ea 100644 --- a/libavcodec/x86/xvididct_sse2.c +++ b/libavcodec/x86/xvididct_sse2.c @@ -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) |