From 694ec0612b0a9d74d98a657b2425666c43996179 Mon Sep 17 00:00:00 2001 From: Fabrice Bellard Date: Wed, 15 Aug 2001 22:25:32 +0000 Subject: [PATCH] suppressed nasm dependancy - rewrote forward DCT and motion estimation code Originally committed as revision 104 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/i386/fdct_mmx.c | 291 +++++++++++ libavcodec/i386/fdct_mmx.s | 507 -------------------- libavcodec/i386/motion_est_mmx.c | 244 ++++++++++ libavcodec/i386/sad_mmx.s | 798 ------------------------------- 4 files changed, 535 insertions(+), 1305 deletions(-) create mode 100644 libavcodec/i386/fdct_mmx.c delete mode 100644 libavcodec/i386/fdct_mmx.s create mode 100644 libavcodec/i386/motion_est_mmx.c delete mode 100644 libavcodec/i386/sad_mmx.s diff --git a/libavcodec/i386/fdct_mmx.c b/libavcodec/i386/fdct_mmx.c new file mode 100644 index 0000000000..614759f7d2 --- /dev/null +++ b/libavcodec/i386/fdct_mmx.c @@ -0,0 +1,291 @@ +/* + * MMX optimized forward DCT + * The gcc porting is Copyright (c) 2001 Gerard Lantau. + * + * from fdctam32.c - AP922 MMX(3D-Now) forward-DCT + * + * Intel Application Note AP-922 - fast, precise implementation of DCT + * http://developer.intel.com/vtune/cbts/appnotes.htm + */ +#include "../common.h" +#include "mmx.h" + +#define ATTR_ALIGN(align) __attribute__ ((__aligned__ (align))) + +////////////////////////////////////////////////////////////////////// +// +// constants for the forward DCT +// ----------------------------- +// +// Be sure to check that your compiler is aligning all constants to QWORD +// (8-byte) memory boundaries! Otherwise the unaligned memory access will +// severely stall MMX execution. +// +////////////////////////////////////////////////////////////////////// + +#define BITS_FRW_ACC 3 //; 2 or 3 for accuracy +#define SHIFT_FRW_COL BITS_FRW_ACC +#define SHIFT_FRW_ROW (BITS_FRW_ACC + 17) +//#define RND_FRW_ROW (262144 * (BITS_FRW_ACC - 1)) //; 1 << (SHIFT_FRW_ROW-1) +#define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1)) +//#define RND_FRW_COL (2 * (BITS_FRW_ACC - 1)) //; 1 << (SHIFT_FRW_COL-1) +#define RND_FRW_COL (1 << (SHIFT_FRW_COL-1)) + +//concatenated table, for forward DCT transformation +const int16_t fdct_tg_all_16[] ATTR_ALIGN(8) = { + 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 +}; +const int16_t cos_4_16[4] = { + -19195, -19195, -19195, -19195, //cos * (2<<16) + 0.5 +}; + +const int16_t ocos_4_16[4] = { + 23170, 23170, 23170, 23170, //cos * (2<<15) + 0.5 +}; + +const long long fdct_one_corr ATTR_ALIGN(8) = 0x0001000100010001LL; +const long fdct_r_row[2] ATTR_ALIGN(8) = {RND_FRW_ROW, RND_FRW_ROW }; + +const int16_t tab_frw_01234567[] ATTR_ALIGN(8) = { // forward_dct coeff table + //row0 + 16384, 16384, 21407, -8867, // w09 w01 w08 w00 + 16384, 16384, 8867, -21407, // w13 w05 w12 w04 + 16384, -16384, 8867, 21407, // w11 w03 w10 w02 + -16384, 16384, -21407, -8867, // w15 w07 w14 w06 + 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 + + //row1 + 22725, 22725, 29692, -12299, // w09 w01 w08 w00 + 22725, 22725, 12299, -29692, // w13 w05 w12 w04 + 22725, -22725, 12299, 29692, // w11 w03 w10 w02 + -22725, 22725, -29692, -12299, // w15 w07 w14 w06 + 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 + + //row2 + 21407, 21407, 27969, -11585, // w09 w01 w08 w00 + 21407, 21407, 11585, -27969, // w13 w05 w12 w04 + 21407, -21407, 11585, 27969, // w11 w03 w10 w02 + -21407, 21407, -27969, -11585, // w15 w07 w14 w06 + 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 + + //row3 + 19266, 19266, 25172, -10426, // w09 w01 w08 w00 + 19266, 19266, 10426, -25172, // w13 w05 w12 w04 + 19266, -19266, 10426, 25172, // w11 w03 w10 w02 + -19266, 19266, -25172, -10426, // w15 w07 w14 w06, + 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, + + //row4 + 16384, 16384, 21407, -8867, // w09 w01 w08 w00 + 16384, 16384, 8867, -21407, // w13 w05 w12 w04 + 16384, -16384, 8867, 21407, // w11 w03 w10 w02 + -16384, 16384, -21407, -8867, // w15 w07 w14 w06 + 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 + + //row5 + 19266, 19266, 25172, -10426, // w09 w01 w08 w00 + 19266, 19266, 10426, -25172, // w13 w05 w12 w04 + 19266, -19266, 10426, 25172, // w11 w03 w10 w02 + -19266, 19266, -25172, -10426, // w15 w07 w14 w06 + 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 + + //row6 + 21407, 21407, 27969, -11585, // w09 w01 w08 w00 + 21407, 21407, 11585, -27969, // w13 w05 w12 w04 + 21407, -21407, 11585, 27969, // w11 w03 w10 w02 + -21407, 21407, -27969, -11585, // w15 w07 w14 w06, + 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, + + //row7 + 22725, 22725, 29692, -12299, // w09 w01 w08 w00 + 22725, 22725, 12299, -29692, // w13 w05 w12 w04 + 22725, -22725, 12299, 29692, // w11 w03 w10 w02 + -22725, 22725, -29692, -12299, // w15 w07 w14 w06, + 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 +}; + + +static inline void fdct_col(const int16_t *in, int16_t *out, int offset) +{ + movq_m2r(*(in + offset + 1 * 8), mm0); + movq_m2r(*(in + offset + 6 * 8), mm1); + movq_r2r(mm0, mm2); + movq_m2r(*(in + offset + 2 * 8), mm3); + paddsw_r2r(mm1, mm0); + movq_m2r(*(in + offset + 5 * 8), mm4); + psllw_i2r(SHIFT_FRW_COL, mm0); + movq_m2r(*(in + offset + 0 * 8), mm5); + paddsw_r2r(mm3, mm4); + paddsw_m2r(*(in + offset + 7 * 8), mm5); + psllw_i2r(SHIFT_FRW_COL, mm4); + movq_r2r(mm0, mm6); + psubsw_r2r(mm1, mm2); + movq_m2r(*(fdct_tg_all_16 + 4), mm1); + psubsw_r2r(mm4, mm0); + movq_m2r(*(in + offset + 3 * 8), mm7); + pmulhw_r2r(mm0, mm1); + paddsw_m2r(*(in + offset + 4 * 8), mm7); + psllw_i2r(SHIFT_FRW_COL, mm5); + paddsw_r2r(mm4, mm6); + psllw_i2r(SHIFT_FRW_COL, mm7); + movq_r2r(mm5, mm4); + psubsw_r2r(mm7, mm5); + paddsw_r2r(mm5, mm1); + paddsw_r2r(mm7, mm4); + por_m2r(fdct_one_corr, mm1); + psllw_i2r(SHIFT_FRW_COL + 1, mm2); + pmulhw_m2r(*(fdct_tg_all_16 + 4), mm5); + movq_r2r(mm4, mm7); + psubsw_m2r(*(in + offset + 5 * 8), mm3); + psubsw_r2r(mm6, mm4); + movq_r2m(mm1, *(out + offset + 2 * 8)); + paddsw_r2r(mm6, mm7); + movq_m2r(*(in + offset + 3 * 8), mm1); + psllw_i2r(SHIFT_FRW_COL + 1, mm3); + psubsw_m2r(*(in + offset + 4 * 8), mm1); + movq_r2r(mm2, mm6); + movq_r2m(mm4, *(out + offset + 4 * 8)); + paddsw_r2r(mm3, mm2); + pmulhw_m2r(*ocos_4_16, mm2); + psubsw_r2r(mm3, mm6); + pmulhw_m2r(*ocos_4_16, mm6); + psubsw_r2r(mm0, mm5); + por_m2r(fdct_one_corr, mm5); + psllw_i2r(SHIFT_FRW_COL, mm1); + por_m2r(fdct_one_corr, mm2); + movq_r2r(mm1, mm4); + movq_m2r(*(in + offset + 0 * 8), mm3); + paddsw_r2r(mm6, mm1); + psubsw_m2r(*(in + offset + 7 * 8), mm3); + psubsw_r2r(mm6, mm4); + movq_m2r(*(fdct_tg_all_16 + 0), mm0); + psllw_i2r(SHIFT_FRW_COL, mm3); + movq_m2r(*(fdct_tg_all_16 + 8), mm6); + pmulhw_r2r(mm1, mm0); + movq_r2m(mm7, *(out + offset + 0 * 8)); + pmulhw_r2r(mm4, mm6); + movq_r2m(mm5, *(out + offset + 6 * 8)); + movq_r2r(mm3, mm7); + movq_m2r(*(fdct_tg_all_16 + 8), mm5); + psubsw_r2r(mm2, mm7); + paddsw_r2r(mm2, mm3); + pmulhw_r2r(mm7, mm5); + paddsw_r2r(mm3, mm0); + paddsw_r2r(mm4, mm6); + pmulhw_m2r(*(fdct_tg_all_16 + 0), mm3); + por_m2r(fdct_one_corr, mm0); + paddsw_r2r(mm7, mm5); + psubsw_r2r(mm6, mm7); + movq_r2m(mm0, *(out + offset + 1 * 8)); + paddsw_r2r(mm4, mm5); + movq_r2m(mm7, *(out + offset + 3 * 8)); + psubsw_r2r(mm1, mm3); + movq_r2m(mm5, *(out + offset + 5 * 8)); + movq_r2m(mm3, *(out + offset + 7 * 8)); +} + +static inline void fdct_row(const int16_t *in, int16_t *out, const int16_t *table) +{ + movd_m2r(*(in + 6), mm5); + punpcklwd_m2r(*(in + 4), mm5); + movq_r2r(mm5, mm2); + psrlq_i2r(0x20, mm5); + movq_m2r(*(in + 0), mm0); + punpcklwd_r2r(mm2, mm5); + movq_r2r(mm0, mm1); + paddsw_r2r(mm5, mm0); + psubsw_r2r(mm5, mm1); + movq_r2r(mm0, mm2); + punpcklwd_r2r(mm1, mm0); + punpckhwd_r2r(mm1, mm2); + movq_r2r(mm2, mm1); + movq_r2r(mm0, mm2); + movq_m2r(*(table + 0), mm3); + punpcklwd_r2r(mm1, mm0); + movq_r2r(mm0, mm5); + punpckldq_r2r(mm0, mm0); + movq_m2r(*(table + 4), mm4); + punpckhwd_r2r(mm1, mm2); + pmaddwd_r2r(mm0, mm3); + movq_r2r(mm2, mm6); + movq_m2r(*(table + 16), mm1); + punpckldq_r2r(mm2, mm2); + pmaddwd_r2r(mm2, mm4); + punpckhdq_r2r(mm5, mm5); + pmaddwd_m2r(*(table + 8), mm0); + punpckhdq_r2r(mm6, mm6); + movq_m2r(*(table + 20), mm7); + pmaddwd_r2r(mm5, mm1); + paddd_m2r(*fdct_r_row, mm3); + pmaddwd_r2r(mm6, mm7); + pmaddwd_m2r(*(table + 12), mm2); + paddd_r2r(mm4, mm3); + pmaddwd_m2r(*(table + 24), mm5); + pmaddwd_m2r(*(table + 28), mm6); + paddd_r2r(mm7, mm1); + paddd_m2r(*fdct_r_row, mm0); + psrad_i2r(SHIFT_FRW_ROW, mm3); + paddd_m2r(*fdct_r_row, mm1); + paddd_r2r(mm2, mm0); + paddd_m2r(*fdct_r_row, mm5); + psrad_i2r(SHIFT_FRW_ROW, mm1); + paddd_r2r(mm6, mm5); + psrad_i2r(SHIFT_FRW_ROW, mm0); + psrad_i2r(SHIFT_FRW_ROW, mm5); + packssdw_r2r(mm0, mm3); + packssdw_r2r(mm5, mm1); + movq_r2r(mm3, mm6); + punpcklwd_r2r(mm1, mm3); + punpckhwd_r2r(mm1, mm6); + movq_r2m(mm3, *(out + 0)); + movq_r2m(mm6, *(out + 4)); +} + +void fdct_mmx(int16_t *block) +{ + /* XXX: not thread safe */ + static int16_t block_tmp[64] ATTR_ALIGN(8); + int16_t *block1, *out; + const int16_t *table; + int i; + + block1 = block_tmp; + fdct_col(block, block1, 0); + fdct_col(block, block1, 4); + + block1 = block_tmp; + table = tab_frw_01234567; + out = block; + for(i=8;i>0;i--) { + fdct_row(block1, out, table); + block1 += 8; + table += 32; + out += 8; + } +} diff --git a/libavcodec/i386/fdct_mmx.s b/libavcodec/i386/fdct_mmx.s deleted file mode 100644 index 75c67bfe5e..0000000000 --- a/libavcodec/i386/fdct_mmx.s +++ /dev/null @@ -1,507 +0,0 @@ -; ////////////////////////////////////////////////////////////////////////////// -; // -; // fdctam32.c - AP922 MMX(3D-Now) forward-DCT -; // ---------- -; // Intel Application Note AP-922 - fast, precise implementation of DCT -; // http://developer.intel.com/vtune/cbts/appnotes.htm -; // ---------- -; // -; // This routine can use a 3D-Now/MMX enhancement to increase the -; // accuracy of the fdct_col_4 macro. The dct_col function uses 3D-Now's -; // PMHULHRW instead of MMX's PMHULHW(and POR). The substitution improves -; // accuracy very slightly with performance penalty. If the target CPU -; // does not support 3D-Now, then this function cannot be executed. -; // -; // For a fast, precise MMX implementation of inverse-DCT -; // visit http://www.elecard.com/peter -; // -; // v1.0 07/22/2000 (initial release) -; // -; // liaor@iname.com http://members.tripod.com/~liaor -; ////////////////////////////////////////////////////////////////////////////// - -;;; -;;; A.Stevens Jul 2000: ported to nasm syntax and disentangled from -;;; from Win**** compiler specific stuff. -;;; All the real work was done above though. -;;; See above for how to optimise quality on 3DNow! CPU's - - ;; - ;; Macros for code-readability... - ;; -%define INP eax ; pointer to (short *blk) -%define OUT ecx ; pointer to output (temporary store space qwTemp[]) -%define TABLE ebx ; pointer to tab_frw_01234567[] -%define TABLEF ebx ; pointer to tg_all_16 -%define round_frw_row edx - - -%define x0 INP + 0*16 -%define x1 INP + 1*16 -%define x2 INP + 2*16 -%define x3 INP + 3*16 -%define x4 INP + 4*16 -%define x5 INP + 5*16 -%define x6 INP + 6*16 -%define x7 INP + 7*16 -%define y0 OUT + 0*16 -%define y1 OUT + 1*16 -%define y2 OUT + 2*16 -%define y3 OUT + 3*16 -%define y4 OUT + 4*16 -%define y5 OUT + 5*16 -%define y6 OUT + 6*16 -%define y7 OUT + 7*16 - - ;; - ;; Constants for DCT - ;; -%define BITS_FRW_ACC 3 ; 2 or 3 for accuracy -%define SHIFT_FRW_COL BITS_FRW_ACC -%define SHIFT_FRW_ROW (BITS_FRW_ACC + 17) -%define RND_FRW_ROW (1 << (SHIFT_FRW_ROW-1)) -%define RND_FRW_COL (1 << (SHIFT_FRW_COL-1)) - -extern fdct_one_corr -extern fdct_r_row ; Defined in C for convenience - ;; - ;; Concatenated table of forward dct transformation coeffs. - ;; -extern fdct_tg_all_16 ; Defined in C for convenience - ;; Offsets into table.. - -%define tg_1_16 (TABLEF + 0) -%define tg_2_16 (TABLEF + 8) -%define tg_3_16 (TABLEF + 16) -%define cos_4_16 (TABLEF + 24) -%define ocos_4_16 (TABLEF + 32) - - ;; - ;; Concatenated table of forward dct coefficients - ;; -extern tab_frw_01234567 ; Defined in C for convenience - - ;; Offsets into table.. -SECTION .text - -global fdct_mmx - -;;; -;;; void fdct_mmx( short *blk ) -;;; - - - -; //////////////////////////////////////////////////////////////////////// -; // -; // The high-level pseudocode for the fdct_am32() routine : -; // -; // fdct_am32() -; // { -; // forward_dct_col03(); // dct_column transform on cols 0-3 -; // forward_dct_col47(); // dct_column transform on cols 4-7 -; // for ( j = 0; j < 8; j=j+1 ) -; // forward_dct_row1(j); // dct_row transform on row #j -; // } -; // -; - -align 32 -fdct_mmx: - push ebp ; save stack pointer - mov ebp, esp ; link - - push ebx - push ecx - push edx - push edi - - mov INP, [ebp+8]; ; input data is row 0 of blk[] - ;// transform the left half of the matrix (4 columns) - - lea TABLEF, [fdct_tg_all_16]; - mov OUT, INP; - -; lea round_frw_col, [r_frw_col] - ; for ( i = 0; i < 2; i = i + 1) - ; the for-loop is executed twice. We are better off unrolling the - ; loop to avoid branch misprediction. -.mmx32_fdct_col03: - movq mm0, [x1] ; 0 ; x1 - ;; - - movq mm1, [x6] ; 1 ; x6 - movq mm2, mm0 ; 2 ; x1 - - movq mm3, [x2] ; 3 ; x2 - paddsw mm0, mm1 ; t1 = x[1] + x[6] - - movq mm4, [x5] ; 4 ; x5 - psllw mm0, SHIFT_FRW_COL ; t1 - - movq mm5, [x0] ; 5 ; x0 - paddsw mm4, mm3 ; t2 = x[2] + x[5] - - paddsw mm5, [x7] ; t0 = x[0] + x[7] - psllw mm4, SHIFT_FRW_COL ; t2 - - movq mm6, mm0 ; 6 ; t1 - psubsw mm2, mm1 ; 1 ; t6 = x[1] - x[6] - - movq mm1, [tg_2_16] ; 1 ; tg_2_16 - psubsw mm0, mm4 ; tm12 = t1 - t2 - - movq mm7, [x3] ; 7 ; x3 - pmulhw mm1, mm0 ; tm12*tg_2_16 - - paddsw mm7, [x4] ; t3 = x[3] + x[4] - psllw mm5, SHIFT_FRW_COL ; t0 - - paddsw mm6, mm4 ; 4 ; tp12 = t1 + t2 - psllw mm7, SHIFT_FRW_COL ; t3 - - movq mm4, mm5 ; 4 ; t0 - psubsw mm5, mm7 ; tm03 = t0 - t3 - - paddsw mm1, mm5 ; y2 = tm03 + tm12*tg_2_16 - paddsw mm4, mm7 ; 7 ; tp03 = t0 + t3 - - por mm1, [fdct_one_corr] ; correction y2 +0.5 - psllw mm2, SHIFT_FRW_COL+1 ; t6 - - pmulhw mm5, [tg_2_16] ; tm03*tg_2_16 - movq mm7, mm4 ; 7 ; tp03 - - psubsw mm3, [x5] ; t5 = x[2] - x[5] - psubsw mm4, mm6 ; y4 = tp03 - tp12 - - movq [y2], mm1 ; 1 ; save y2 - paddsw mm7, mm6 ; 6 ; y0 = tp03 + tp12 - - movq mm1, [x3] ; 1 ; x3 - psllw mm3, SHIFT_FRW_COL+1 ; t5 - - psubsw mm1, [x4] ; t4 = x[3] - x[4] - movq mm6, mm2 ; 6 ; t6 - - movq [y4], mm4 ; 4 ; save y4 - paddsw mm2, mm3 ; t6 + t5 - - pmulhw mm2, [ocos_4_16] ; tp65 = (t6 + t5)*cos_4_16 - psubsw mm6, mm3 ; 3 ; t6 - t5 - - pmulhw mm6, [ocos_4_16] ; tm65 = (t6 - t5)*cos_4_16 - psubsw mm5, mm0 ; 0 ; y6 = tm03*tg_2_16 - tm12 - - por mm5, [fdct_one_corr] ; correction y6 +0.5 - psllw mm1, SHIFT_FRW_COL ; t4 - - por mm2, [fdct_one_corr] ; correction tp65 +0.5 - movq mm4, mm1 ; 4 ; t4 - - movq mm3, [x0] ; 3 ; x0 - paddsw mm1, mm6 ; tp465 = t4 + tm65 - - psubsw mm3, [x7] ; t7 = x[0] - x[7] - psubsw mm4, mm6 ; 6 ; tm465 = t4 - tm65 - - movq mm0, [tg_1_16] ; 0 ; tg_1_16 - psllw mm3, SHIFT_FRW_COL ; t7 - - movq mm6, [tg_3_16] ; 6 ; tg_3_16 - pmulhw mm0, mm1 ; tp465*tg_1_16 - - movq [y0], mm7 ; 7 ; save y0 - pmulhw mm6, mm4 ; tm465*tg_3_16 - - movq [y6], mm5 ; 5 ; save y6 - movq mm7, mm3 ; 7 ; t7 - - movq mm5, [tg_3_16] ; 5 ; tg_3_16 - psubsw mm7, mm2 ; tm765 = t7 - tp65 - - paddsw mm3, mm2 ; 2 ; tp765 = t7 + tp65 - pmulhw mm5, mm7 ; tm765*tg_3_16 - - paddsw mm0, mm3 ; y1 = tp765 + tp465*tg_1_16 - paddsw mm6, mm4 ; tm465*tg_3_16 - - pmulhw mm3, [tg_1_16] ; tp765*tg_1_16 - ;; - - por mm0, [fdct_one_corr] ; correction y1 +0.5 - paddsw mm5, mm7 ; tm765*tg_3_16 - - psubsw mm7, mm6 ; 6 ; y3 = tm765 - tm465*tg_3_16 - add INP, 0x08 ; ; increment pointer - - movq [y1], mm0 ; 0 ; save y1 - paddsw mm5, mm4 ; 4 ; y5 = tm765*tg_3_16 + tm465 - - movq [y3], mm7 ; 7 ; save y3 - psubsw mm3, mm1 ; 1 ; y7 = tp765*tg_1_16 - tp465 - - movq [y5], mm5 ; 5 ; save y5 - - -.mmx32_fdct_col47: ; begin processing last four columns - movq mm0, [x1] ; 0 ; x1 - ;; - movq [y7], mm3 ; 3 ; save y7 (columns 0-4) - ;; - - movq mm1, [x6] ; 1 ; x6 - movq mm2, mm0 ; 2 ; x1 - - movq mm3, [x2] ; 3 ; x2 - paddsw mm0, mm1 ; t1 = x[1] + x[6] - - movq mm4, [x5] ; 4 ; x5 - psllw mm0, SHIFT_FRW_COL ; t1 - - movq mm5, [x0] ; 5 ; x0 - paddsw mm4, mm3 ; t2 = x[2] + x[5] - - paddsw mm5, [x7] ; t0 = x[0] + x[7] - psllw mm4, SHIFT_FRW_COL ; t2 - - movq mm6, mm0 ; 6 ; t1 - psubsw mm2, mm1 ; 1 ; t6 = x[1] - x[6] - - movq mm1, [tg_2_16] ; 1 ; tg_2_16 - psubsw mm0, mm4 ; tm12 = t1 - t2 - - movq mm7, [x3] ; 7 ; x3 - pmulhw mm1, mm0 ; tm12*tg_2_16 - - paddsw mm7, [x4] ; t3 = x[3] + x[4] - psllw mm5, SHIFT_FRW_COL ; t0 - - paddsw mm6, mm4 ; 4 ; tp12 = t1 + t2 - psllw mm7, SHIFT_FRW_COL ; t3 - - movq mm4, mm5 ; 4 ; t0 - psubsw mm5, mm7 ; tm03 = t0 - t3 - - paddsw mm1, mm5 ; y2 = tm03 + tm12*tg_2_16 - paddsw mm4, mm7 ; 7 ; tp03 = t0 + t3 - - por mm1, [fdct_one_corr] ; correction y2 +0.5 - psllw mm2, SHIFT_FRW_COL+1 ; t6 - - pmulhw mm5, [tg_2_16] ; tm03*tg_2_16 - movq mm7, mm4 ; 7 ; tp03 - - psubsw mm3, [x5] ; t5 = x[2] - x[5] - psubsw mm4, mm6 ; y4 = tp03 - tp12 - - movq [y2+8], mm1 ; 1 ; save y2 - paddsw mm7, mm6 ; 6 ; y0 = tp03 + tp12 - - movq mm1, [x3] ; 1 ; x3 - psllw mm3, SHIFT_FRW_COL+1 ; t5 - - psubsw mm1, [x4] ; t4 = x[3] - x[4] - movq mm6, mm2 ; 6 ; t6 - - movq [y4+8], mm4 ; 4 ; save y4 - paddsw mm2, mm3 ; t6 + t5 - - pmulhw mm2, [ocos_4_16] ; tp65 = (t6 + t5)*cos_4_16 - psubsw mm6, mm3 ; 3 ; t6 - t5 - - pmulhw mm6, [ocos_4_16] ; tm65 = (t6 - t5)*cos_4_16 - psubsw mm5, mm0 ; 0 ; y6 = tm03*tg_2_16 - tm12 - - por mm5, [fdct_one_corr] ; correction y6 +0.5 - psllw mm1, SHIFT_FRW_COL ; t4 - - por mm2, [fdct_one_corr] ; correction tp65 +0.5 - movq mm4, mm1 ; 4 ; t4 - - movq mm3, [x0] ; 3 ; x0 - paddsw mm1, mm6 ; tp465 = t4 + tm65 - - psubsw mm3, [x7] ; t7 = x[0] - x[7] - psubsw mm4, mm6 ; 6 ; tm465 = t4 - tm65 - - movq mm0, [tg_1_16] ; 0 ; tg_1_16 - psllw mm3, SHIFT_FRW_COL ; t7 - - movq mm6, [tg_3_16] ; 6 ; tg_3_16 - pmulhw mm0, mm1 ; tp465*tg_1_16 - - movq [y0+8], mm7 ; 7 ; save y0 - pmulhw mm6, mm4 ; tm465*tg_3_16 - - movq [y6+8], mm5 ; 5 ; save y6 - movq mm7, mm3 ; 7 ; t7 - - movq mm5, [tg_3_16] ; 5 ; tg_3_16 - psubsw mm7, mm2 ; tm765 = t7 - tp65 - - paddsw mm3, mm2 ; 2 ; tp765 = t7 + tp65 - pmulhw mm5, mm7 ; tm765*tg_3_16 - - paddsw mm0, mm3 ; y1 = tp765 + tp465*tg_1_16 - paddsw mm6, mm4 ; tm465*tg_3_16 - - pmulhw mm3, [tg_1_16] ; tp765*tg_1_16 - ;; - - por mm0, [fdct_one_corr] ; correction y1 +0.5 - paddsw mm5, mm7 ; tm765*tg_3_16 - - psubsw mm7, mm6 ; 6 ; y3 = tm765 - tm465*tg_3_16 - ;; - - movq [y1+8], mm0 ; 0 ; save y1 - paddsw mm5, mm4 ; 4 ; y5 = tm765*tg_3_16 + tm465 - - movq [y3+8], mm7 ; 7 ; save y3 - psubsw mm3, mm1 ; 1 ; y7 = tp765*tg_1_16 - tp465 - - movq [y5+8], mm5 ; 5 ; save y5 - - movq [y7+8], mm3 ; 3 ; save y7 - -; emms; -; } ; end of forward_dct_col07() - ; done with dct_row transform - - - ; fdct_mmx32_cols() -- - ; the following subroutine repeats the row-transform operation, - ; except with different shift&round constants. This version - ; does NOT transpose the output again. Thus the final output - ; is transposed with respect to the source. - ; - ; The output is stored into blk[], which destroys the original - ; input data. - mov INP, [ebp+8]; ;; row 0 - mov edi, 0x08; ;x = 8 - - lea TABLE, [tab_frw_01234567]; ; row 0 - mov OUT, INP; - - lea round_frw_row, [fdct_r_row]; - ; for ( x = 8; x > 0; --x ) ; transform one row per iteration - -; ---------- loop begin - .lp_mmx_fdct_row1: - movd mm5, [INP+12]; ; mm5 = 7 6 - - punpcklwd mm5, [INP+8] ; mm5 = 5 7 4 6 - - movq mm2, mm5; ; mm2 = 5 7 4 6 - psrlq mm5, 32; ; mm5 = _ _ 5 7 - - movq mm0, [INP]; ; mm0 = 3 2 1 0 - punpcklwd mm5, mm2;; mm5 = 4 5 6 7 - - movq mm1, mm0; ; mm1 = 3 2 1 0 - paddsw mm0, mm5; ; mm0 = [3+4, 2+5, 1+6, 0+7] (xt3, xt2, xt1, xt0) - - psubsw mm1, mm5; ; mm1 = [3-4, 2-5, 1-6, 0-7] (xt7, xt6, xt5, xt4) - movq mm2, mm0; ; mm2 = [ xt3 xt2 xt1 xt0 ] - - ;movq [ xt3xt2xt1xt0 ], mm0; - ;movq [ xt7xt6xt5xt4 ], mm1; - - punpcklwd mm0, mm1;; mm0 = [ xt5 xt1 xt4 xt0 ] - - punpckhwd mm2, mm1;; mm2 = [ xt7 xt3 xt6 xt2 ] - movq mm1, mm2; ; mm1 - - ;; shuffle bytes around - -; movq mm0, [INP] ; 0 ; x3 x2 x1 x0 - -; movq mm1, [INP+8] ; 1 ; x7 x6 x5 x4 - movq mm2, mm0 ; 2 ; x3 x2 x1 x0 - - movq mm3, [TABLE] ; 3 ; w06 w04 w02 w00 - punpcklwd mm0, mm1 ; x5 x1 x4 x0 - - movq mm5, mm0 ; 5 ; x5 x1 x4 x0 - punpckldq mm0, mm0 ; x4 x0 x4 x0 [ xt2 xt0 xt2 xt0 ] - - movq mm4, [TABLE+8] ; 4 ; w07 w05 w03 w01 - punpckhwd mm2, mm1 ; 1 ; x7 x3 x6 x2 - - pmaddwd mm3, mm0 ; x4*w06+x0*w04 x4*w02+x0*w00 - movq mm6, mm2 ; 6 ; x7 x3 x6 x2 - - movq mm1, [TABLE+32] ; 1 ; w22 w20 w18 w16 - punpckldq mm2, mm2 ; x6 x2 x6 x2 [ xt3 xt1 xt3 xt1 ] - - pmaddwd mm4, mm2 ; x6*w07+x2*w05 x6*w03+x2*w01 - punpckhdq mm5, mm5 ; x5 x1 x5 x1 [ xt6 xt4 xt6 xt4 ] - - pmaddwd mm0, [TABLE+16] ; x4*w14+x0*w12 x4*w10+x0*w08 - punpckhdq mm6, mm6 ; x7 x3 x7 x3 [ xt7 xt5 xt7 xt5 ] - - movq mm7, [TABLE+40] ; 7 ; w23 w21 w19 w17 - pmaddwd mm1, mm5 ; x5*w22+x1*w20 x5*w18+x1*w16 -;mm3 = a1, a0 (y2,y0) -;mm1 = b1, b0 (y3,y1) -;mm0 = a3,a2 (y6,y4) -;mm5 = b3,b2 (y7,y5) - - paddd mm3, [round_frw_row] ; +rounder (y2,y0) - pmaddwd mm7, mm6 ; x7*w23+x3*w21 x7*w19+x3*w17 - - pmaddwd mm2, [TABLE+24] ; x6*w15+x2*w13 x6*w11+x2*w09 - paddd mm3, mm4 ; 4 ; a1=sum(even1) a0=sum(even0) ; now ( y2, y0) - - pmaddwd mm5, [TABLE+48] ; x5*w30+x1*w28 x5*w26+x1*w24 - ;; - - pmaddwd mm6, [TABLE+56] ; x7*w31+x3*w29 x7*w27+x3*w25 - paddd mm1, mm7 ; 7 ; b1=sum(odd1) b0=sum(odd0) ; now ( y3, y1) - - paddd mm0, [round_frw_row] ; +rounder (y6,y4) - psrad mm3, SHIFT_FRW_ROW ; (y2, y0) - - paddd mm1, [round_frw_row] ; +rounder (y3,y1) - paddd mm0, mm2 ; 2 ; a3=sum(even3) a2=sum(even2) ; now (y6, y4) - - paddd mm5, [round_frw_row] ; +rounder (y7,y5) - psrad mm1, SHIFT_FRW_ROW ; y1=a1+b1 y0=a0+b0 - - paddd mm5, mm6 ; 6 ; b3=sum(odd3) b2=sum(odd2) ; now ( y7, y5) - psrad mm0, SHIFT_FRW_ROW ;y3=a3+b3 y2=a2+b2 - - add OUT, 16; ; increment row-output address by 1 row - psrad mm5, SHIFT_FRW_ROW ; y4=a3-b3 y5=a2-b2 - - add INP, 16; ; increment row-address by 1 row - packssdw mm3, mm0 ; 0 ; y6 y4 y2 y0 - - packssdw mm1, mm5 ; 3 ; y7 y5 y3 y1 - movq mm6, mm3; ; mm0 = y6 y4 y2 y0 - - punpcklwd mm3, mm1; ; y3 y2 y1 y0 - sub edi, 0x01; ; i = i - 1 - - punpckhwd mm6, mm1; ; y7 y6 y5 y4 - add TABLE,64; ; increment to next table - - movq [OUT-16], mm3 ; 1 ; save y3 y2 y1 y0 - - movq [OUT-8], mm6 ; 7 ; save y7 y6 y5 y4 - - cmp edi, 0x00; - jg near .lp_mmx_fdct_row1; ; begin fdct processing on next row - ;; - ;; Tidy up and return - ;; - pop edi - pop edx - pop ecx - pop ebx - - pop ebp ; restore stack pointer - emms - ret - \ No newline at end of file diff --git a/libavcodec/i386/motion_est_mmx.c b/libavcodec/i386/motion_est_mmx.c new file mode 100644 index 0000000000..35b16b711c --- /dev/null +++ b/libavcodec/i386/motion_est_mmx.c @@ -0,0 +1,244 @@ +/* + * MMX optimized motion estimation + * Copyright (c) 2001 Gerard Lantau. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +#include "../dsputil.h" +#include "mmx.h" + +static const unsigned long long int mm_wone __attribute__ ((aligned(8))) = 0x0001000100010001; +static const unsigned long long int mm_wtwo __attribute__ ((aligned(8))) = 0x0002000200020002; + +/* mm7 is accumulator, mm6 is zero */ +static inline void sad_add(const UINT8 *p1, const UINT8 *p2) +{ + movq_m2r(*p1, mm0); + movq_m2r(*p2, mm1); + movq_r2r(mm0, mm2); + psubusb_r2r(mm1, mm0); + psubusb_r2r(mm2, mm1); + por_r2r(mm1, mm0); /* mm0 is absolute value */ + + movq_r2r(mm0, mm1); + punpcklbw_r2r(mm6, mm0); + punpckhbw_r2r(mm6, mm1); + paddusw_r2r(mm0, mm7); + paddusw_r2r(mm1, mm7); +} + +/* convert mm7 to value */ +static inline int sad_end(void) +{ + int res; + + movq_r2r(mm7, mm0); + psrlq_i2r(32, mm7); + paddusw_r2r(mm0, mm7); + + movq_r2r(mm7, mm0); + psrlq_i2r(16, mm7); + paddusw_r2r(mm0, mm7); + __asm __volatile ("movd %%mm7, %0" : "=a" (res)); + return res & 0xffff; +} + +int pix_abs16x16_mmx(UINT8 *blk1, UINT8 *blk2, int lx, int h) +{ + const UINT8 *p1, *p2; + + h >>= 1; + p1 = blk1; + p2 = blk2; + pxor_r2r(mm7, mm7); /* mm7 is accumulator */ + pxor_r2r(mm6, mm6); /* mm7 is zero constant */ + do { + sad_add(p1, p2); + sad_add(p1 + 8, p2 + 8); + p1 += lx; + p2 += lx; + sad_add(p1, p2); + sad_add(p1 + 8, p2 + 8); + p1 += lx; + p2 += lx; + } while (--h); + return sad_end(); +} + +/* please test it ! */ +static inline void sad_add_sse(const UINT8 *p1, const UINT8 *p2) +{ + movq_m2r(*(p1 + 0), mm0); + movq_m2r(*(p1 + 8), mm1); + psadbw_m2r(*(p2 + 0), mm0); + psadbw_m2r(*(p2 + 8), mm1); + paddusw_r2r(mm0, mm7); + paddusw_r2r(mm1, mm7); +} + +int pix_abs16x16_sse(UINT8 *blk1, UINT8 *blk2, int lx, int h) +{ + const UINT8 *p1, *p2; + + h >>= 1; + p1 = blk1; + p2 = blk2; + pxor_r2r(mm7, mm7); /* mm7 is accumulator */ + do { + sad_add_sse(p1, p2); + p1 += lx; + p2 += lx; + sad_add_sse(p1, p2); + p1 += lx; + p2 += lx; + } while (--h); + return sad_end(); +} + +#define DUMP(reg) { mmx_t tmp; movq_r2m(reg, tmp); printf(#reg "=%016Lx\n", tmp.uq); } + +/* mm7 is accumulator, mm6 is zero */ +static inline void sad_add_x2(const UINT8 *p1, const UINT8 *p2, const UINT8 *p3) +{ + movq_m2r(*(p2 + 0), mm0); + movq_m2r(*(p3 + 0), mm1); + movq_r2r(mm0, mm2); + movq_r2r(mm1, mm3); + punpcklbw_r2r(mm6, mm0); /* extract 4 bytes low */ + punpcklbw_r2r(mm6, mm1); + punpckhbw_r2r(mm6, mm2); /* high */ + punpckhbw_r2r(mm6, mm3); + paddusw_r2r(mm1, mm0); + paddusw_r2r(mm3, mm2); + movq_m2r(*(p1 + 0), mm1); /* mm1 : other value */ + paddusw_r2r(mm5, mm0); /* + 1 */ + paddusw_r2r(mm5, mm2); /* + 1 */ + psrlw_i2r(1, mm0); + psrlw_i2r(1, mm2); + packuswb_r2r(mm2, mm0); /* average is in mm0 */ + + movq_r2r(mm1, mm2); + psubusb_r2r(mm0, mm1); + psubusb_r2r(mm2, mm0); + por_r2r(mm1, mm0); /* mm0 is absolute value */ + + movq_r2r(mm0, mm1); + punpcklbw_r2r(mm6, mm0); + punpckhbw_r2r(mm6, mm1); + paddusw_r2r(mm0, mm7); + paddusw_r2r(mm1, mm7); +} + +int pix_abs16x16_x2_mmx(UINT8 *blk1, UINT8 *blk2, int lx, int h) +{ + const UINT8 *p1, *p2; + + p1 = blk1; + p2 = blk2; + pxor_r2r(mm7, mm7); /* mm7 is accumulator */ + pxor_r2r(mm6, mm6); /* mm7 is zero constant */ + movq_m2r(mm_wone, mm5); /* one constant */ + do { + sad_add_x2(p1, p2, p2 + 1); + sad_add_x2(p1 + 8, p2 + 8, p2 + 9); + p1 += lx; + p2 += lx; + } while (--h); + return sad_end(); +} + +int pix_abs16x16_y2_mmx(UINT8 *blk1, UINT8 *blk2, int lx, int h) +{ + const UINT8 *p1, *p2; + + p1 = blk1; + p2 = blk2; + pxor_r2r(mm7, mm7); /* mm7 is accumulator */ + pxor_r2r(mm6, mm6); /* mm7 is zero constant */ + movq_m2r(mm_wone, mm5); /* one constant */ + do { + sad_add_x2(p1, p2, p2 + lx); + sad_add_x2(p1 + 8, p2 + 8, p2 + 8 + lx); + p1 += lx; + p2 += lx; + } while (--h); + return sad_end(); +} + +/* mm7 is accumulator, mm6 is zero */ +static inline void sad_add_xy2(const UINT8 *p1, const UINT8 *p2, const UINT8 *p3) +{ + movq_m2r(*(p2 + 0), mm0); + movq_m2r(*(p3 + 0), mm1); + movq_r2r(mm0, mm2); + movq_r2r(mm1, mm3); + punpcklbw_r2r(mm6, mm0); /* extract 4 bytes low */ + punpcklbw_r2r(mm6, mm1); + punpckhbw_r2r(mm6, mm2); /* high */ + punpckhbw_r2r(mm6, mm3); + paddusw_r2r(mm1, mm0); + paddusw_r2r(mm3, mm2); + + movq_m2r(*(p2 + 1), mm1); + movq_m2r(*(p3 + 1), mm3); + movq_r2r(mm1, mm4); + punpcklbw_r2r(mm6, mm1); /* low */ + punpckhbw_r2r(mm6, mm4); /* high */ + paddusw_r2r(mm1, mm0); + paddusw_r2r(mm4, mm2); + movq_r2r(mm3, mm4); + punpcklbw_r2r(mm6, mm3); /* low */ + punpckhbw_r2r(mm6, mm4); /* high */ + paddusw_r2r(mm3, mm0); + paddusw_r2r(mm4, mm2); + + movq_m2r(*(p1 + 0), mm1); /* mm1 : other value */ + paddusw_r2r(mm5, mm0); /* + 2 */ + paddusw_r2r(mm5, mm2); /* + 2 */ + psrlw_i2r(2, mm0); + psrlw_i2r(2, mm2); + packuswb_r2r(mm2, mm0); /* average is in mm0 */ + + movq_r2r(mm1, mm2); + psubusb_r2r(mm0, mm1); + psubusb_r2r(mm2, mm0); + por_r2r(mm1, mm0); /* mm0 is absolute value */ + + movq_r2r(mm0, mm1); + punpcklbw_r2r(mm6, mm0); + punpckhbw_r2r(mm6, mm1); + paddusw_r2r(mm0, mm7); + paddusw_r2r(mm1, mm7); +} + +int pix_abs16x16_xy2_mmx(UINT8 *blk1, UINT8 *blk2, int lx, int h) +{ + const UINT8 *p1, *p2, *p3; + + p1 = blk1; + p2 = blk2; + p3 = blk2 + lx; + pxor_r2r(mm7, mm7); /* mm7 is accumulator */ + pxor_r2r(mm6, mm6); /* mm7 is zero constant */ + movq_m2r(mm_wtwo, mm5); /* one constant */ + do { + sad_add_xy2(p1, p2, p2 + lx); + sad_add_xy2(p1 + 8, p2 + 8, p2 + 8 + lx); + p1 += lx; + p2 += lx; + } while (--h); + return sad_end(); +} diff --git a/libavcodec/i386/sad_mmx.s b/libavcodec/i386/sad_mmx.s deleted file mode 100644 index b512639c25..0000000000 --- a/libavcodec/i386/sad_mmx.s +++ /dev/null @@ -1,798 +0,0 @@ -; MMX/SSE optimized routines for SAD of 16*16 macroblocks -; Copyright (C) Juan J. Sierralta P. -; -; dist1_* Original Copyright (C) 2000 Chris Atenasio -; Enhancements and rest Copyright (C) 2000 Andrew Stevens - -; -; This program is free software; you can redistribute it and/or -; modify it under the terms of the GNU General Public License -; as published by the Free Software Foundation; either version 2 -; of the License, or (at your option) any later version. -; -; This program is distributed in the hope that it will be useful, -; but WITHOUT ANY WARRANTY; without even the implied warranty of -; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -; GNU General Public License for more details. -; -; You should have received a copy of the GNU General Public License -; along with this program; if not, write to the Free Software -; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -; - -global pix_abs16x16_mmx - -; int pix_abs16x16_mmx(unsigned char *pix1,unsigned char *pix2, int lx, int h); -; esi = p1 (init: blk1) -; edi = p2 (init: blk2) -; ecx = rowsleft (init: h) -; edx = lx; - -; mm0 = distance accumulators (4 words) -; mm1 = distance accumulators (4 words) -; mm2 = temp -; mm3 = temp -; mm4 = temp -; mm5 = temp -; mm6 = 0 -; mm7 = temp - - -align 32 -pix_abs16x16_mmx: - push ebp ; save frame pointer - mov ebp, esp - - push ebx ; Saves registers (called saves convention in - push ecx ; x86 GCC it seems) - push edx ; - push esi - push edi - - pxor mm0, mm0 ; zero acculumators - pxor mm1, mm1 - pxor mm6, mm6 - mov esi, [ebp+8] ; get pix1 - mov edi, [ebp+12] ; get pix2 - mov edx, [ebp+16] ; get lx - mov ecx, [ebp+20] ; get rowsleft - jmp .nextrow -align 32 - -.nextrow: - ; First 8 bytes of the row - - movq mm4, [edi] ; load first 8 bytes of pix2 row - movq mm5, [esi] ; load first 8 bytes of pix1 row - movq mm3, mm4 ; mm4 := abs(mm4-mm5) - movq mm2,[esi+8] ; load last 8 bytes of pix1 row - psubusb mm4, mm5 - movq mm7,[edi+8] ; load last 8 bytes of pix2 row - psubusb mm5, mm3 - por mm4, mm5 - - ; Last 8 bytes of the row - - movq mm3, mm7 ; mm7 := abs(mm7-mm2) - psubusb mm7, mm2 - psubusb mm2, mm3 - por mm7, mm2 - - ; Now mm4 and mm7 have 16 absdiffs to add - - ; First 8 bytes of the row2 - - - add edi, edx - movq mm2, [edi] ; load first 8 bytes of pix2 row - add esi, edx - movq mm5, [esi] ; load first 8 bytes of pix1 row - - - - movq mm3, mm2 ; mm2 := abs(mm2-mm5) - psubusb mm2, mm5 - movq mm6,[esi+8] ; load last 8 bytes of pix1 row - psubusb mm5, mm3 - por mm2, mm5 - - ; Last 8 bytes of the row2 - - movq mm5,[edi+8] ; load last 8 bytes of pix2 row - - - movq mm3, mm5 ; mm5 := abs(mm5-mm6) - psubusb mm5, mm6 - psubusb mm6, mm3 - por mm5, mm6 - - ; Now mm2, mm4, mm5, mm7 have 32 absdiffs - - movq mm3, mm7 - - pxor mm6, mm6 ; Zero mm6 - - punpcklbw mm3, mm6 ; Unpack to words and add - punpckhbw mm7, mm6 - paddusw mm7, mm3 - - movq mm3, mm5 - - punpcklbw mm3, mm6 ; Unpack to words and add - punpckhbw mm5, mm6 - paddusw mm5, mm3 - - paddusw mm0, mm7 ; Add to the acumulator (mm0) - paddusw mm1, mm5 ; Add to the acumulator (mm1) - - movq mm3, mm4 - - punpcklbw mm3, mm6 ; Unpack to words and add - punpckhbw mm4, mm6 - movq mm5, mm2 - paddusw mm4, mm3 - - - - punpcklbw mm5, mm6 ; Unpack to words and add - punpckhbw mm2, mm6 - paddusw mm2, mm5 - - ; Loop termination - - add esi, edx ; update pointers to next row - paddusw mm0, mm4 ; Add to the acumulator (mm0) - add edi, edx - sub ecx,2 - paddusw mm1, mm2 ; Add to the acumulator (mm1) - test ecx, ecx ; check rowsleft - jnz near .nextrow - - paddusw mm0, mm1 - movq mm2, mm0 ; Copy mm0 to mm2 - psrlq mm2, 32 - paddusw mm0, mm2 ; Add - movq mm3, mm0 - psrlq mm3, 16 - paddusw mm0, mm3 - movd eax, mm0 ; Store return value - and eax, 0xffff - - pop edi - pop esi - pop edx - pop ecx - pop ebx - - pop ebp ; restore stack pointer - - ;emms ; clear mmx registers - ret ; return - -global pix_abs16x16_sse - -; int pix_abs16x16_mmx(unsigned char *pix1,unsigned char *pix2, int lx, int h); -; esi = p1 (init: blk1) -; edi = p2 (init: blk2) -; ecx = rowsleft (init: h) -; edx = lx; - -; mm0 = distance accumulators (4 words) -; mm1 = distance accumulators (4 words) -; mm2 = temp -; mm3 = temp -; mm4 = temp -; mm5 = temp -; mm6 = temp -; mm7 = temp - - -align 32 -pix_abs16x16_sse: - push ebp ; save frame pointer - mov ebp, esp - - push ebx ; Saves registers (called saves convention in - push ecx ; x86 GCC it seems) - push edx ; - push esi - push edi - - pxor mm0, mm0 ; zero acculumators - pxor mm1, mm1 - mov esi, [ebp+8] ; get pix1 - mov edi, [ebp+12] ; get pix2 - mov edx, [ebp+16] ; get lx - mov ecx, [ebp+20] ; get rowsleft - jmp .next4row -align 32 - -.next4row: - ; First row - - movq mm4, [edi] ; load first 8 bytes of pix2 row - movq mm5, [edi+8] ; load last 8 bytes of pix2 row - psadbw mm4, [esi] ; SAD of first 8 bytes - psadbw mm5, [esi+8] ; SAD of last 8 bytes - paddw mm0, mm4 ; Add to acumulators - paddw mm1, mm5 - - ; Second row - - add edi, edx; - add esi, edx; - - movq mm6, [edi] ; load first 8 bytes of pix2 row - movq mm7, [edi+8] ; load last 8 bytes of pix2 row - psadbw mm6, [esi] ; SAD of first 8 bytes - psadbw mm7, [esi+8] ; SAD of last 8 bytes - paddw mm0, mm6 ; Add to acumulators - paddw mm1, mm7 - - ; Third row - - add edi, edx; - add esi, edx; - - movq mm4, [edi] ; load first 8 bytes of pix2 row - movq mm5, [edi+8] ; load last 8 bytes of pix2 row - psadbw mm4, [esi] ; SAD of first 8 bytes - psadbw mm5, [esi+8] ; SAD of last 8 bytes - paddw mm0, mm4 ; Add to acumulators - paddw mm1, mm5 - - ; Fourth row - - add edi, edx; - add esi, edx; - - movq mm6, [edi] ; load first 8 bytes of pix2 row - movq mm7, [edi+8] ; load last 8 bytes of pix2 row - psadbw mm6, [esi] ; SAD of first 8 bytes - psadbw mm7, [esi+8] ; SAD of last 8 bytes - paddw mm0, mm6 ; Add to acumulators - paddw mm1, mm7 - - ; Loop termination - - add esi, edx ; update pointers to next row - add edi, edx - sub ecx,4 - test ecx, ecx ; check rowsleft - jnz near .next4row - - paddd mm0, mm1 ; Sum acumulators - movd eax, mm0 ; Store return value - - pop edi - pop esi - pop edx - pop ecx - pop ebx - - pop ebp ; restore stack pointer - - ;emms ; clear mmx registers - ret ; return - -global pix_abs16x16_x2_mmx - -; int pix_abs16x16_x2_mmx(unsigned char *pix1,unsigned char *pix2, int lx, int h); -; esi = p1 (init: blk1) -; edi = p2 (init: blk2) -; ecx = rowsleft (init: h) -; edx = lx; - -; mm0 = distance accumulators (4 words) -; mm1 = distance accumulators (4 words) -; mm2 = temp -; mm3 = temp -; mm4 = temp -; mm5 = temp -; mm6 = 0 -; mm7 = temp - - -align 32 -pix_abs16x16_x2_mmx: - push ebp ; save frame pointer - mov ebp, esp - - push ebx ; Saves registers (called saves convention in - push ecx ; x86 GCC it seems) - push edx ; - push esi - push edi - - pxor mm0, mm0 ; zero acculumators - pxor mm1, mm1 - pxor mm6, mm6 - mov esi, [ebp+8] ; get pix1 - mov edi, [ebp+12] ; get pix2 - mov edx, [ebp+16] ; get lx - mov ecx, [ebp+20] ; get rowsleft - jmp .nextrow_x2 -align 32 - -.nextrow_x2: - ; First 8 bytes of the row - - movq mm4, [edi] ; load first 8 bytes of pix2 row - movq mm5, [edi+1] ; load bytes 1-8 of pix2 row - - movq mm2, mm4 ; copy mm4 on mm2 - movq mm3, mm5 ; copy mm5 on mm3 - punpcklbw mm4, mm6 ; first 4 bytes of [edi] on mm4 - punpcklbw mm5, mm6 ; first 4 bytes of [edi+1] on mm5 - paddusw mm4, mm5 ; mm4 := first 4 bytes interpolated in words - psrlw mm4, 1 - - punpckhbw mm2, mm6 ; last 4 bytes of [edi] on mm2 - punpckhbw mm3, mm6 ; last 4 bytes of [edi+1] on mm3 - paddusw mm2, mm3 ; mm2 := last 4 bytes interpolated in words - psrlw mm2, 1 - - packuswb mm4, mm2 ; pack 8 bytes interpolated on mm4 - movq mm5,[esi] ; load first 8 bytes of pix1 row - - movq mm3, mm4 ; mm4 := abs(mm4-mm5) - psubusb mm4, mm5 - psubusb mm5, mm3 - por mm4, mm5 - - ; Last 8 bytes of the row - - movq mm7, [edi+8] ; load last 8 bytes of pix2 row - movq mm5, [edi+9] ; load bytes 10-17 of pix2 row - - movq mm2, mm7 ; copy mm7 on mm2 - movq mm3, mm5 ; copy mm5 on mm3 - punpcklbw mm7, mm6 ; first 4 bytes of [edi+8] on mm7 - punpcklbw mm5, mm6 ; first 4 bytes of [edi+9] on mm5 - paddusw mm7, mm5 ; mm1 := first 4 bytes interpolated in words - psrlw mm7, 1 - - punpckhbw mm2, mm6 ; last 4 bytes of [edi] on mm2 - punpckhbw mm3, mm6 ; last 4 bytes of [edi+1] on mm3 - paddusw mm2, mm3 ; mm2 := last 4 bytes interpolated in words - psrlw mm2, 1 - - packuswb mm7, mm2 ; pack 8 bytes interpolated on mm1 - movq mm5,[esi+8] ; load last 8 bytes of pix1 row - - movq mm3, mm7 ; mm7 := abs(mm1-mm5) - psubusb mm7, mm5 - psubusb mm5, mm3 - por mm7, mm5 - - ; Now mm4 and mm7 have 16 absdiffs to add - - movq mm3, mm4 ; Make copies of these bytes - movq mm2, mm7 - - punpcklbw mm4, mm6 ; Unpack to words and add - punpcklbw mm7, mm6 - paddusw mm4, mm7 - paddusw mm0, mm4 ; Add to the acumulator (mm0) - - punpckhbw mm3, mm6 ; Unpack to words and add - punpckhbw mm2, mm6 - paddusw mm3, mm2 - paddusw mm1, mm3 ; Add to the acumulator (mm1) - - ; Loop termination - - add esi, edx ; update pointers to next row - add edi, edx - - sub ecx,1 - test ecx, ecx ; check rowsleft - jnz near .nextrow_x2 - - paddusw mm0, mm1 - - movq mm1, mm0 ; Copy mm0 to mm1 - psrlq mm1, 32 - paddusw mm0, mm1 ; Add - movq mm2, mm0 - psrlq mm2, 16 - paddusw mm0, mm2 - movd eax, mm0 ; Store return value - and eax, 0xffff - - pop edi - pop esi - pop edx - pop ecx - pop ebx - - pop ebp ; restore stack pointer - - emms ; clear mmx registers - ret ; return - -global pix_abs16x16_y2_mmx - -; int pix_abs16x16_y2_mmx(unsigned char *pix1,unsigned char *pix2, int lx, int h); -; esi = p1 (init: blk1) -; edi = p2 (init: blk2) -; ebx = p2 + lx -; ecx = rowsleft (init: h) -; edx = lx; - -; mm0 = distance accumulators (4 words) -; mm1 = distance accumulators (4 words) -; mm2 = temp -; mm3 = temp -; mm4 = temp -; mm5 = temp -; mm6 = 0 -; mm7 = temp - - -align 32 -pix_abs16x16_y2_mmx: - push ebp ; save frame pointer - mov ebp, esp - - push ebx ; Saves registers (called saves convention in - push ecx ; x86 GCC it seems) - push edx ; - push esi - push edi - - pxor mm0, mm0 ; zero acculumators - pxor mm1, mm1 - pxor mm6, mm6 - mov esi, [ebp+8] ; get pix1 - mov edi, [ebp+12] ; get pix2 - mov edx, [ebp+16] ; get lx - mov ecx, [ebp+20] ; get rowsleft - mov ebx, edi - add ebx, edx - jmp .nextrow_y2 -align 32 - -.nextrow_y2: - ; First 8 bytes of the row - - movq mm4, [edi] ; load first 8 bytes of pix2 row - movq mm5, [ebx] ; load bytes 1-8 of pix2 row - - movq mm2, mm4 ; copy mm4 on mm2 - movq mm3, mm5 ; copy mm5 on mm3 - punpcklbw mm4, mm6 ; first 4 bytes of [edi] on mm4 - punpcklbw mm5, mm6 ; first 4 bytes of [ebx] on mm5 - paddusw mm4, mm5 ; mm4 := first 4 bytes interpolated in words - psrlw mm4, 1 - - punpckhbw mm2, mm6 ; last 4 bytes of [edi] on mm2 - punpckhbw mm3, mm6 ; last 4 bytes of [edi+1] on mm3 - paddusw mm2, mm3 ; mm2 := last 4 bytes interpolated in words - psrlw mm2, 1 - - packuswb mm4, mm2 ; pack 8 bytes interpolated on mm4 - movq mm5,[esi] ; load first 8 bytes of pix1 row - - movq mm3, mm4 ; mm4 := abs(mm4-mm5) - psubusb mm4, mm5 - psubusb mm5, mm3 - por mm4, mm5 - - ; Last 8 bytes of the row - - movq mm7, [edi+8] ; load last 8 bytes of pix2 row - movq mm5, [ebx+8] ; load bytes 10-17 of pix2 row - - movq mm2, mm7 ; copy mm7 on mm2 - movq mm3, mm5 ; copy mm5 on mm3 - punpcklbw mm7, mm6 ; first 4 bytes of [edi+8] on mm7 - punpcklbw mm5, mm6 ; first 4 bytes of [ebx+8] on mm5 - paddusw mm7, mm5 ; mm1 := first 4 bytes interpolated in words - psrlw mm7, 1 - - punpckhbw mm2, mm6 ; last 4 bytes of [edi+8] on mm2 - punpckhbw mm3, mm6 ; last 4 bytes of [ebx+8] on mm3 - paddusw mm2, mm3 ; mm2 := last 4 bytes interpolated in words - psrlw mm2, 1 - - packuswb mm7, mm2 ; pack 8 bytes interpolated on mm1 - movq mm5,[esi+8] ; load last 8 bytes of pix1 row - - movq mm3, mm7 ; mm7 := abs(mm1-mm5) - psubusb mm7, mm5 - psubusb mm5, mm3 - por mm7, mm5 - - ; Now mm4 and mm7 have 16 absdiffs to add - - movq mm3, mm4 ; Make copies of these bytes - movq mm2, mm7 - - punpcklbw mm4, mm6 ; Unpack to words and add - punpcklbw mm7, mm6 - paddusw mm4, mm7 - paddusw mm0, mm4 ; Add to the acumulator (mm0) - - punpckhbw mm3, mm6 ; Unpack to words and add - punpckhbw mm2, mm6 - paddusw mm3, mm2 - paddusw mm1, mm3 ; Add to the acumulator (mm1) - - ; Loop termination - - add esi, edx ; update pointers to next row - add edi, edx - add ebx, edx - sub ecx,1 - test ecx, ecx ; check rowsleft - jnz near .nextrow_y2 - - paddusw mm0, mm1 - - movq mm1, mm0 ; Copy mm0 to mm1 - psrlq mm1, 32 - paddusw mm0, mm1 ; Add - movq mm2, mm0 - psrlq mm2, 16 - paddusw mm0, mm2 - movd eax, mm0 ; Store return value - and eax, 0xffff - - pop edi - pop esi - pop edx - pop ecx - pop ebx - - pop ebp ; restore stack pointer - - emms ; clear mmx registers - ret ; return - -global pix_abs16x16_xy2_mmx - -; int pix_abs16x16_xy2_mmx(unsigned char *p1,unsigned char *p2,int lx,int h); - -; esi = p1 (init: blk1) -; edi = p2 (init: blk2) -; ebx = p1+lx -; ecx = rowsleft (init: h) -; edx = lx; - -; mm0 = distance accumulators (4 words) -; mm1 = bytes p2 -; mm2 = bytes p1 -; mm3 = bytes p1+lx -; I'd love to find someplace to stash p1+1 and p1+lx+1's bytes -; but I don't think thats going to happen in iA32-land... -; mm4 = temp 4 bytes in words interpolating p1, p1+1 -; mm5 = temp 4 bytes in words from p2 -; mm6 = temp comparison bit mask p1,p2 -; mm7 = temp comparison bit mask p2,p1 - - -align 32 -pix_abs16x16_xy2_mmx: - push ebp ; save stack pointer - mov ebp, esp ; so that we can do this - - push ebx ; Saves registers (called saves convention in - push ecx ; x86 GCC it seems) - push edx ; - push esi - push edi - - pxor mm0, mm0 ; zero acculumators - - mov esi, [ebp+12] ; get p1 - mov edi, [ebp+8] ; get p2 - mov edx, [ebp+16] ; get lx - mov ecx, [ebp+20] ; rowsleft := h - mov ebx, esi - add ebx, edx - jmp .nextrowmm11 ; snap to it -align 32 -.nextrowmm11: - - ;; - ;; First 8 bytes of row - ;; - - ;; First 4 bytes of 8 - - movq mm4, [esi] ; mm4 := first 4 bytes p1 - pxor mm7, mm7 - movq mm2, mm4 ; mm2 records all 8 bytes - punpcklbw mm4, mm7 ; First 4 bytes p1 in Words... - - movq mm6, [ebx] ; mm6 := first 4 bytes p1+lx - movq mm3, mm6 ; mm3 records all 8 bytes - punpcklbw mm6, mm7 - paddw mm4, mm6 - - - movq mm5, [esi+1] ; mm5 := first 4 bytes p1+1 - punpcklbw mm5, mm7 ; First 4 bytes p1 in Words... - paddw mm4, mm5 - movq mm6, [ebx+1] ; mm6 := first 4 bytes p1+lx+1 - punpcklbw mm6, mm7 - paddw mm4, mm6 - - psrlw mm4, 2 ; mm4 := First 4 bytes interpolated in words - - movq mm5, [edi] ; mm5:=first 4 bytes of p2 in words - movq mm1, mm5 - punpcklbw mm5, mm7 - - movq mm7,mm4 - pcmpgtw mm7,mm5 ; mm7 := [i : W0..3,mm4>mm5] - - movq mm6,mm4 ; mm6 := [i : W0..3, (mm4-mm5)*(mm4-mm5 > 0)] - psubw mm6,mm5 - pand mm6, mm7 - - paddw mm0, mm6 ; Add to accumulator - - movq mm6,mm5 ; mm6 := [i : W0..3,mm5>mm4] - pcmpgtw mm6,mm4 - psubw mm5,mm4 ; mm5 := [i : B0..7, (mm5-mm4)*(mm5-mm4 > 0)] - pand mm5, mm6 - - paddw mm0, mm5 ; Add to accumulator - - ;; Second 4 bytes of 8 - - movq mm4, mm2 ; mm4 := Second 4 bytes p1 in words - pxor mm7, mm7 - punpckhbw mm4, mm7 - movq mm6, mm3 ; mm6 := Second 4 bytes p1+1 in words - punpckhbw mm6, mm7 - paddw mm4, mm6 - - movq mm5, [esi+1] ; mm5 := first 4 bytes p1+1 - punpckhbw mm5, mm7 ; First 4 bytes p1 in Words... - paddw mm4, mm5 - movq mm6, [ebx+1] ; mm6 := first 4 bytes p1+lx+1 - punpckhbw mm6, mm7 - paddw mm4, mm6 - - psrlw mm4, 2 ; mm4 := First 4 bytes interpolated in words - - movq mm5, mm1 ; mm5:= second 4 bytes of p2 in words - punpckhbw mm5, mm7 - - movq mm7,mm4 - pcmpgtw mm7,mm5 ; mm7 := [i : W0..3,mm4>mm5] - - movq mm6,mm4 ; mm6 := [i : W0..3, (mm4-mm5)*(mm4-mm5 > 0)] - psubw mm6,mm5 - pand mm6, mm7 - - paddw mm0, mm6 ; Add to accumulator - - movq mm6,mm5 ; mm6 := [i : W0..3,mm5>mm4] - pcmpgtw mm6,mm4 - psubw mm5,mm4 ; mm5 := [i : B0..7, (mm5-mm4)*(mm5-mm4 > 0)] - pand mm5, mm6 - - paddw mm0, mm5 ; Add to accumulator - - - ;; - ;; Second 8 bytes of row - ;; - ;; First 4 bytes of 8 - - movq mm4, [esi+8] ; mm4 := first 4 bytes p1+8 - pxor mm7, mm7 - movq mm2, mm4 ; mm2 records all 8 bytes - punpcklbw mm4, mm7 ; First 4 bytes p1 in Words... - - movq mm6, [ebx+8] ; mm6 := first 4 bytes p1+lx+8 - movq mm3, mm6 ; mm3 records all 8 bytes - punpcklbw mm6, mm7 - paddw mm4, mm6 - - - movq mm5, [esi+9] ; mm5 := first 4 bytes p1+9 - punpcklbw mm5, mm7 ; First 4 bytes p1 in Words... - paddw mm4, mm5 - movq mm6, [ebx+9] ; mm6 := first 4 bytes p1+lx+9 - punpcklbw mm6, mm7 - paddw mm4, mm6 - - psrlw mm4, 2 ; mm4 := First 4 bytes interpolated in words - - movq mm5, [edi+8] ; mm5:=first 4 bytes of p2+8 in words - movq mm1, mm5 - punpcklbw mm5, mm7 - - movq mm7,mm4 - pcmpgtw mm7,mm5 ; mm7 := [i : W0..3,mm4>mm5] - - movq mm6,mm4 ; mm6 := [i : W0..3, (mm4-mm5)*(mm4-mm5 > 0)] - psubw mm6,mm5 - pand mm6, mm7 - - paddw mm0, mm6 ; Add to accumulator - - movq mm6,mm5 ; mm6 := [i : W0..3,mm5>mm4] - pcmpgtw mm6,mm4 - psubw mm5,mm4 ; mm5 := [i : B0..7, (mm5-mm4)*(mm5-mm4 > 0)] - pand mm5, mm6 - - paddw mm0, mm5 ; Add to accumulator - - ;; Second 4 bytes of 8 - - movq mm4, mm2 ; mm4 := Second 4 bytes p1 in words - pxor mm7, mm7 - punpckhbw mm4, mm7 - movq mm6, mm3 ; mm6 := Second 4 bytes p1+1 in words - punpckhbw mm6, mm7 - paddw mm4, mm6 - - movq mm5, [esi+9] ; mm5 := first 4 bytes p1+1 - punpckhbw mm5, mm7 ; First 4 bytes p1 in Words... - paddw mm4, mm5 - movq mm6, [ebx+9] ; mm6 := first 4 bytes p1+lx+1 - punpckhbw mm6, mm7 - paddw mm4, mm6 - - psrlw mm4, 2 ; mm4 := First 4 bytes interpolated in words - - movq mm5, mm1 ; mm5:= second 4 bytes of p2 in words - punpckhbw mm5, mm7 - - movq mm7,mm4 - pcmpgtw mm7,mm5 ; mm7 := [i : W0..3,mm4>mm5] - - movq mm6,mm4 ; mm6 := [i : W0..3, (mm4-mm5)*(mm4-mm5 > 0)] - psubw mm6,mm5 - pand mm6, mm7 - - paddw mm0, mm6 ; Add to accumulator - - movq mm6,mm5 ; mm6 := [i : W0..3,mm5>mm4] - pcmpgtw mm6,mm4 - psubw mm5,mm4 ; mm5 := [i : B0..7, (mm5-mm4)*(mm5-mm4 > 0)] - pand mm5, mm6 - - paddw mm0, mm5 ; Add to accumulator - - - ;; - ;; Loop termination condition... and stepping - ;; - - add esi, edx ; update pointer to next row - add edi, edx ; ditto - add ebx, edx - - sub ecx,1 - test ecx, ecx ; check rowsleft - jnz near .nextrowmm11 - - ;; Sum the Accumulators - movq mm4, mm0 - psrlq mm4, 32 - paddw mm0, mm4 - movq mm6, mm0 - psrlq mm6, 16 - paddw mm0, mm6 - movd eax, mm0 ; store return value - and eax, 0xffff - - pop edi - pop esi - pop edx - pop ecx - pop ebx - - pop ebp ; restore stack pointer - - emms ; clear mmx registers - ret ; we now return you to your regular programming - - -- GitLab