falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
5553 Commits
32 Branches
325MB
Tree: c17be81763
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'c17be81763'
${ noResults }
FFmpeg/libavcodec/i386/snowdsp_mmx.c

918 lines
41KB
Raw Blame History 

  1. /*

  2.  * MMX and SSE2 optimized snow DSP utils

  3.  * Copyright (c) 2005-2006 Robert Edele <yartrebo@earthlink.net>

  4.  *

  5.  * This library is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU Lesser General Public

  7.  * License as published by the Free Software Foundation; either

  8.  * version 2 of the License, or (at your option) any later version.

  9.  *

  10.  * This library is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  13.  * Lesser General Public License for more details.

  14.  *

  15.  * You should have received a copy of the GNU Lesser General Public

  16.  * License along with this library; if not, write to the Free Software

  17.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  18.  */

  19. 

  20. #include "../avcodec.h"

  21. #include "../snow.h"

  22. #include "mmx.h"

  23. 

  24. void ff_snow_horizontal_compose97i_sse2(DWTELEM *b, int width){

  25.     const int w2= (width+1)>>1;

  26.     // SSE2 code runs faster with pointers aligned on a 32-byte boundary.

  27.     DWTELEM temp_buf[(width>>1) + 4];

  28.     DWTELEM * const temp = temp_buf + 4 - (((int)temp_buf & 0xF) >> 2);

  29.     const int w_l= (width>>1);

  30.     const int w_r= w2 - 1;

  31.     int i;

  32. 

  33.     { // Lift 0

  34.         DWTELEM * const ref = b + w2 - 1;

  35.         DWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice

  36.         // (the first time erroneously), we allow the SSE2 code to run an extra pass.

  37.         // The savings in code and time are well worth having to store this value and

  38.         // calculate b[0] correctly afterwards.

  39. 

  40.         i = 0;

  41.         asm volatile(

  42.             "pcmpeqd   %%xmm7, %%xmm7         \n\t"

  43.             "pslld        $31, %%xmm7         \n\t"

  44.             "psrld        $29, %%xmm7         \n\t"

  45.         ::);

  46.         for(; i<w_l-7; i+=8){

  47.             asm volatile(

  48.                 "movdqu   (%1), %%xmm1        \n\t"

  49.                 "movdqu 16(%1), %%xmm5        \n\t"

  50.                 "movdqu  4(%1), %%xmm2        \n\t"

  51.                 "movdqu 20(%1), %%xmm6        \n\t"

  52.                 "paddd  %%xmm1, %%xmm2        \n\t"

  53.                 "paddd  %%xmm5, %%xmm6        \n\t"

  54.                 "movdqa %%xmm2, %%xmm0        \n\t"

  55.                 "movdqa %%xmm6, %%xmm4        \n\t"

  56.                 "paddd  %%xmm2, %%xmm2        \n\t"

  57.                 "paddd  %%xmm6, %%xmm6        \n\t"

  58.                 "paddd  %%xmm0, %%xmm2        \n\t"

  59.                 "paddd  %%xmm4, %%xmm6        \n\t"

  60.                 "paddd  %%xmm7, %%xmm2        \n\t"

  61.                 "paddd  %%xmm7, %%xmm6        \n\t"

  62.                 "psrad      $3, %%xmm2        \n\t"

  63.                 "psrad      $3, %%xmm6        \n\t"

  64.                 "movdqa   (%0), %%xmm0        \n\t"

  65.                 "movdqa 16(%0), %%xmm4        \n\t"

  66.                 "psubd  %%xmm2, %%xmm0        \n\t"

  67.                 "psubd  %%xmm6, %%xmm4        \n\t"

  68.                 "movdqa %%xmm0, (%0)          \n\t"

  69.                 "movdqa %%xmm4, 16(%0)        \n\t"

  70.                 :: "r"(&b[i]), "r"(&ref[i])

  71.                 : "memory"

  72.             );

  73.         }

  74.         snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);

  75.         b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);

  76.     }

  77. 

  78.     { // Lift 1

  79.         DWTELEM * const dst = b+w2;

  80. 

  81.         i = 0;

  82.         for(; (((long)&dst[i]) & 0xF) && i<w_r; i++){

  83.             dst[i] = dst[i] - (b[i] + b[i + 1]);

  84.         }

  85.         for(; i<w_r-7; i+=8){

  86.             asm volatile(

  87.                 "movdqu   (%1), %%xmm1        \n\t"

  88.                 "movdqu 16(%1), %%xmm5        \n\t"

  89.                 "movdqu  4(%1), %%xmm2        \n\t"

  90.                 "movdqu 20(%1), %%xmm6        \n\t"

  91.                 "paddd  %%xmm1, %%xmm2        \n\t"

  92.                 "paddd  %%xmm5, %%xmm6        \n\t"

  93.                 "movdqa   (%0), %%xmm0        \n\t"

  94.                 "movdqa 16(%0), %%xmm4        \n\t"

  95.                 "psubd  %%xmm2, %%xmm0        \n\t"

  96.                 "psubd  %%xmm6, %%xmm4        \n\t"

  97.                 "movdqa %%xmm0, (%0)          \n\t"

  98.                 "movdqa %%xmm4, 16(%0)        \n\t"

  99.                 :: "r"(&dst[i]), "r"(&b[i])

  100.                 : "memory"

  101.             );

  102.         }

  103.         snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);

  104.     }

  105. 

  106.     { // Lift 2

  107.         DWTELEM * const ref = b+w2 - 1;

  108.         DWTELEM b_0 = b[0];

  109. 

  110.         i = 0;

  111.         asm volatile(

  112.             "pslld          $1, %%xmm7       \n\t" /* xmm7 already holds a '4' from 2 lifts ago. */

  113.         ::);

  114.         for(; i<w_l-7; i+=8){

  115.             asm volatile(

  116.                 "movdqu   (%1), %%xmm1        \n\t"

  117.                 "movdqu 16(%1), %%xmm5        \n\t"

  118.                 "movdqu  4(%1), %%xmm0        \n\t"

  119.                 "movdqu 20(%1), %%xmm4        \n\t"

  120.                 "paddd  %%xmm1, %%xmm0        \n\t"

  121.                 "paddd  %%xmm5, %%xmm4        \n\t"

  122.                 "movdqa %%xmm7, %%xmm1        \n\t"

  123.                 "movdqa %%xmm7, %%xmm5        \n\t"

  124.                 "psubd  %%xmm0, %%xmm1        \n\t"

  125.                 "psubd  %%xmm4, %%xmm5        \n\t"

  126.                 "movdqa   (%0), %%xmm0        \n\t"

  127.                 "movdqa 16(%0), %%xmm4        \n\t"

  128.                 "pslld      $2, %%xmm0        \n\t"

  129.                 "pslld      $2, %%xmm4        \n\t"

  130.                 "psubd  %%xmm0, %%xmm1        \n\t"

  131.                 "psubd  %%xmm4, %%xmm5        \n\t"

  132.                 "psrad      $4, %%xmm1        \n\t"

  133.                 "psrad      $4, %%xmm5        \n\t"

  134.                 "movdqa   (%0), %%xmm0        \n\t"

  135.                 "movdqa 16(%0), %%xmm4        \n\t"

  136.                 "psubd  %%xmm1, %%xmm0        \n\t"

  137.                 "psubd  %%xmm5, %%xmm4        \n\t"

  138.                 "movdqa %%xmm0, (%0)          \n\t"

  139.                 "movdqa %%xmm4, 16(%0)        \n\t"

  140.                 :: "r"(&b[i]), "r"(&ref[i])

  141.                 : "memory"

  142.             );

  143.         }

  144.         snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);

  145.         b[0] = b_0 - (((-2 * ref[1] + W_BO) - 4 * b_0) >> W_BS);

  146.     }

  147. 

  148.     { // Lift 3

  149.         DWTELEM * const src = b+w2;

  150. 

  151.         i = 0;

  152.         for(; (((long)&temp[i]) & 0xF) && i<w_r; i++){

  153.             temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS);

  154.         }

  155.         for(; i<w_r-7; i+=8){

  156.             asm volatile(

  157.                 "movdqu  4(%1), %%xmm2        \n\t"

  158.                 "movdqu 20(%1), %%xmm6        \n\t"

  159.                 "paddd    (%1), %%xmm2        \n\t"

  160.                 "paddd  16(%1), %%xmm6        \n\t"

  161.                 "movdqa %%xmm2, %%xmm0        \n\t"

  162.                 "movdqa %%xmm6, %%xmm4        \n\t"

  163.                 "pslld      $2, %%xmm2        \n\t"

  164.                 "pslld      $2, %%xmm6        \n\t"

  165.                 "psubd  %%xmm2, %%xmm0        \n\t"

  166.                 "psubd  %%xmm6, %%xmm4        \n\t"

  167.                 "psrad      $1, %%xmm0        \n\t"

  168.                 "psrad      $1, %%xmm4        \n\t"

  169.                 "movdqu   (%0), %%xmm2        \n\t"

  170.                 "movdqu 16(%0), %%xmm6        \n\t"

  171.                 "psubd  %%xmm0, %%xmm2        \n\t"

  172.                 "psubd  %%xmm4, %%xmm6        \n\t"

  173.                 "movdqa %%xmm2, (%2)          \n\t"

  174.                 "movdqa %%xmm6, 16(%2)        \n\t"

  175.                 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])

  176.                  : "memory"

  177.                );

  178.         }

  179.         snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO, W_AS);

  180.     }

  181. 

  182.     {

  183.         snow_interleave_line_header(&i, width, b, temp);

  184. 

  185.         for (; (i & 0x1E) != 0x1E; i-=2){

  186.             b[i+1] = temp[i>>1];

  187.             b[i] = b[i>>1];

  188.         }

  189.         for (i-=30; i>=0; i-=32){

  190.             asm volatile(

  191.                 "movdqa      (%1), %%xmm0       \n\t"

  192.                 "movdqa    16(%1), %%xmm2       \n\t"

  193.                 "movdqa    32(%1), %%xmm4       \n\t"

  194.                 "movdqa    48(%1), %%xmm6       \n\t"

  195.                 "movdqa      (%1), %%xmm1       \n\t"

  196.                 "movdqa    16(%1), %%xmm3       \n\t"

  197.                 "movdqa    32(%1), %%xmm5       \n\t"

  198.                 "movdqa    48(%1), %%xmm7       \n\t"

  199.                 "punpckldq   (%2), %%xmm0       \n\t"

  200.                 "punpckldq 16(%2), %%xmm2       \n\t"

  201.                 "punpckldq 32(%2), %%xmm4       \n\t"

  202.                 "punpckldq 48(%2), %%xmm6       \n\t"

  203.                 "movdqa    %%xmm0, (%0)         \n\t"

  204.                 "movdqa    %%xmm2, 32(%0)       \n\t"

  205.                 "movdqa    %%xmm4, 64(%0)       \n\t"

  206.                 "movdqa    %%xmm6, 96(%0)       \n\t"

  207.                 "punpckhdq   (%2), %%xmm1       \n\t"

  208.                 "punpckhdq 16(%2), %%xmm3       \n\t"

  209.                 "punpckhdq 32(%2), %%xmm5       \n\t"

  210.                 "punpckhdq 48(%2), %%xmm7       \n\t"

  211.                 "movdqa    %%xmm1, 16(%0)       \n\t"

  212.                 "movdqa    %%xmm3, 48(%0)       \n\t"

  213.                 "movdqa    %%xmm5, 80(%0)       \n\t"

  214.                 "movdqa    %%xmm7, 112(%0)      \n\t"

  215.                 :: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1])

  216.                  : "memory"

  217.                );

  218.         }

  219.     }

  220. }

  221. 

  222. void ff_snow_horizontal_compose97i_mmx(DWTELEM *b, int width){

  223.     const int w2= (width+1)>>1;

  224.     DWTELEM temp[width >> 1];

  225.     const int w_l= (width>>1);

  226.     const int w_r= w2 - 1;

  227.     int i;

  228. 

  229.     { // Lift 0

  230.         DWTELEM * const ref = b + w2 - 1;

  231. 

  232.         i = 1;

  233.         b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);

  234.         asm volatile(

  235.             "pcmpeqd    %%mm7, %%mm7         \n\t"

  236.             "pslld        $31, %%mm7         \n\t"

  237.             "psrld        $29, %%mm7         \n\t"

  238.            ::);

  239.         for(; i<w_l-3; i+=4){

  240.             asm volatile(

  241.                 "movq     (%1), %%mm2        \n\t"

  242.                 "movq    8(%1), %%mm6        \n\t"

  243.                 "paddd   4(%1), %%mm2        \n\t"

  244.                 "paddd  12(%1), %%mm6        \n\t"

  245.                 "movq    %%mm2, %%mm0        \n\t"

  246.                 "movq    %%mm6, %%mm4        \n\t"

  247.                 "paddd   %%mm2, %%mm2        \n\t"

  248.                 "paddd   %%mm6, %%mm6        \n\t"

  249.                 "paddd   %%mm0, %%mm2        \n\t"

  250.                 "paddd   %%mm4, %%mm6        \n\t"

  251.                 "paddd   %%mm7, %%mm2        \n\t"

  252.                 "paddd   %%mm7, %%mm6        \n\t"

  253.                 "psrad      $3, %%mm2        \n\t"

  254.                 "psrad      $3, %%mm6        \n\t"

  255.                 "movq     (%0), %%mm0        \n\t"

  256.                 "movq    8(%0), %%mm4        \n\t"

  257.                 "psubd   %%mm2, %%mm0        \n\t"

  258.                 "psubd   %%mm6, %%mm4        \n\t"

  259.                 "movq    %%mm0, (%0)         \n\t"

  260.                 "movq    %%mm4, 8(%0)        \n\t"

  261.                 :: "r"(&b[i]), "r"(&ref[i])

  262.                  : "memory"

  263.                );

  264.         }

  265.         snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);

  266.     }

  267. 

  268.     { // Lift 1

  269.         DWTELEM * const dst = b+w2;

  270. 

  271.         i = 0;

  272.         for(; i<w_r-3; i+=4){

  273.             asm volatile(

  274.                 "movq     (%1), %%mm2        \n\t"

  275.                 "movq    8(%1), %%mm6        \n\t"

  276.                 "paddd   4(%1), %%mm2        \n\t"

  277.                 "paddd  12(%1), %%mm6        \n\t"

  278.                 "movq     (%0), %%mm0        \n\t"

  279.                 "movq    8(%0), %%mm4        \n\t"

  280.                 "psubd   %%mm2, %%mm0        \n\t"

  281.                 "psubd   %%mm6, %%mm4        \n\t"

  282.                 "movq    %%mm0, (%0)         \n\t"

  283.                 "movq    %%mm4, 8(%0)        \n\t"

  284.                 :: "r"(&dst[i]), "r"(&b[i])

  285.                  : "memory"

  286.                );

  287.         }

  288.         snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);

  289.     }

  290. 

  291.     { // Lift 2

  292.         DWTELEM * const ref = b+w2 - 1;

  293. 

  294.         i = 1;

  295.         b[0] = b[0] - (((-2 * ref[1] + W_BO) - 4 * b[0]) >> W_BS);

  296.         asm volatile(

  297.             "pslld          $1, %%mm7       \n\t" /* xmm7 already holds a '4' from 2 lifts ago. */

  298.            ::);

  299.         for(; i<w_l-3; i+=4){

  300.             asm volatile(

  301.                 "movq     (%1), %%mm0        \n\t"

  302.                 "movq    8(%1), %%mm4        \n\t"

  303.                 "paddd   4(%1), %%mm0        \n\t"

  304.                 "paddd  12(%1), %%mm4        \n\t"

  305.                 "movq    %%mm7, %%mm1        \n\t"

  306.                 "movq    %%mm7, %%mm5        \n\t"

  307.                 "psubd   %%mm0, %%mm1        \n\t"

  308.                 "psubd   %%mm4, %%mm5        \n\t"

  309.                 "movq     (%0), %%mm0        \n\t"

  310.                 "movq    8(%0), %%mm4        \n\t"

  311.                 "pslld      $2, %%mm0        \n\t"

  312.                 "pslld      $2, %%mm4        \n\t"

  313.                 "psubd   %%mm0, %%mm1        \n\t"

  314.                 "psubd   %%mm4, %%mm5        \n\t"

  315.                 "psrad      $4, %%mm1        \n\t"

  316.                 "psrad      $4, %%mm5        \n\t"

  317.                 "movq     (%0), %%mm0        \n\t"

  318.                 "movq    8(%0), %%mm4        \n\t"

  319.                 "psubd   %%mm1, %%mm0        \n\t"

  320.                 "psubd   %%mm5, %%mm4        \n\t"

  321.                 "movq    %%mm0, (%0)         \n\t"

  322.                 "movq    %%mm4, 8(%0)        \n\t"

  323.                 :: "r"(&b[i]), "r"(&ref[i])

  324.                  : "memory"

  325.                );

  326.         }

  327.         snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);

  328.     }

  329. 

  330.     { // Lift 3

  331.         DWTELEM * const src = b+w2;

  332.         i = 0;

  333. 

  334.         for(; i<w_r-3; i+=4){

  335.             asm volatile(

  336.                 "movq    4(%1), %%mm2        \n\t"

  337.                 "movq   12(%1), %%mm6        \n\t"

  338.                 "paddd    (%1), %%mm2        \n\t"

  339.                 "paddd   8(%1), %%mm6        \n\t"

  340.                 "movq    %%mm2, %%mm0        \n\t"

  341.                 "movq    %%mm6, %%mm4        \n\t"

  342.                 "pslld      $2, %%mm2        \n\t"

  343.                 "pslld      $2, %%mm6        \n\t"

  344.                 "psubd   %%mm2, %%mm0        \n\t"

  345.                 "psubd   %%mm6, %%mm4        \n\t"

  346.                 "psrad      $1, %%mm0        \n\t"

  347.                 "psrad      $1, %%mm4        \n\t"

  348.                 "movq     (%0), %%mm2        \n\t"

  349.                 "movq    8(%0), %%mm6        \n\t"

  350.                 "psubd   %%mm0, %%mm2        \n\t"

  351.                 "psubd   %%mm4, %%mm6        \n\t"

  352.                 "movq    %%mm2, (%2)         \n\t"

  353.                 "movq    %%mm6, 8(%2)        \n\t"

  354.                 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])

  355.                  : "memory"

  356.                );

  357.         }

  358.         snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO, W_AS);

  359.     }

  360. 

  361.     {

  362.         snow_interleave_line_header(&i, width, b, temp);

  363. 

  364.         for (; (i & 0xE) != 0xE; i-=2){

  365.             b[i+1] = temp[i>>1];

  366.             b[i] = b[i>>1];

  367.         }

  368.         for (i-=14; i>=0; i-=16){

  369.             asm volatile(

  370.                 "movq        (%1), %%mm0       \n\t"

  371.                 "movq       8(%1), %%mm2       \n\t"

  372.                 "movq      16(%1), %%mm4       \n\t"

  373.                 "movq      24(%1), %%mm6       \n\t"

  374.                 "movq        (%1), %%mm1       \n\t"

  375.                 "movq       8(%1), %%mm3       \n\t"

  376.                 "movq      16(%1), %%mm5       \n\t"

  377.                 "movq      24(%1), %%mm7       \n\t"

  378.                 "punpckldq   (%2), %%mm0       \n\t"

  379.                 "punpckldq  8(%2), %%mm2       \n\t"

  380.                 "punpckldq 16(%2), %%mm4       \n\t"

  381.                 "punpckldq 24(%2), %%mm6       \n\t"

  382.                 "movq       %%mm0, (%0)        \n\t"

  383.                 "movq       %%mm2, 16(%0)      \n\t"

  384.                 "movq       %%mm4, 32(%0)      \n\t"

  385.                 "movq       %%mm6, 48(%0)      \n\t"

  386.                 "punpckhdq   (%2), %%mm1       \n\t"

  387.                 "punpckhdq  8(%2), %%mm3       \n\t"

  388.                 "punpckhdq 16(%2), %%mm5       \n\t"

  389.                 "punpckhdq 24(%2), %%mm7       \n\t"

  390.                 "movq       %%mm1, 8(%0)       \n\t"

  391.                 "movq       %%mm3, 24(%0)      \n\t"

  392.                 "movq       %%mm5, 40(%0)      \n\t"

  393.                 "movq       %%mm7, 56(%0)      \n\t"

  394.                 :: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1])

  395.                  : "memory"

  396.                );

  397.         }

  398.     }

  399. }

  400. 

  401. #define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\

  402.         ""op" (%%"r",%%"REG_d",4), %%"t0"      \n\t"\

  403.         ""op" 16(%%"r",%%"REG_d",4), %%"t1"    \n\t"\

  404.         ""op" 32(%%"r",%%"REG_d",4), %%"t2"    \n\t"\

  405.         ""op" 48(%%"r",%%"REG_d",4), %%"t3"    \n\t"

  406. 

  407. #define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\

  408.         snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3)

  409. 

  410. #define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\

  411.         snow_vertical_compose_sse2_load_add("paddd",r,t0,t1,t2,t3)

  412. 

  413. #define snow_vertical_compose_sse2_sub(s0,s1,s2,s3,t0,t1,t2,t3)\

  414.         "psubd %%"s0", %%"t0" \n\t"\

  415.         "psubd %%"s1", %%"t1" \n\t"\

  416.         "psubd %%"s2", %%"t2" \n\t"\

  417.         "psubd %%"s3", %%"t3" \n\t"

  418. 

  419. #define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\

  420.         "movdqa %%"s0", (%%"w",%%"REG_d",4)      \n\t"\

  421.         "movdqa %%"s1", 16(%%"w",%%"REG_d",4)    \n\t"\

  422.         "movdqa %%"s2", 32(%%"w",%%"REG_d",4)    \n\t"\

  423.         "movdqa %%"s3", 48(%%"w",%%"REG_d",4)    \n\t"

  424. 

  425. #define snow_vertical_compose_sse2_sra(n,t0,t1,t2,t3)\

  426.         "psrad $"n", %%"t0" \n\t"\

  427.         "psrad $"n", %%"t1" \n\t"\

  428.         "psrad $"n", %%"t2" \n\t"\

  429.         "psrad $"n", %%"t3" \n\t"

  430. 

  431. #define snow_vertical_compose_sse2_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\

  432.         "paddd %%"s0", %%"t0" \n\t"\

  433.         "paddd %%"s1", %%"t1" \n\t"\

  434.         "paddd %%"s2", %%"t2" \n\t"\

  435.         "paddd %%"s3", %%"t3" \n\t"

  436. 

  437. #define snow_vertical_compose_sse2_sll(n,t0,t1,t2,t3)\

  438.         "pslld $"n", %%"t0" \n\t"\

  439.         "pslld $"n", %%"t1" \n\t"\

  440.         "pslld $"n", %%"t2" \n\t"\

  441.         "pslld $"n", %%"t3" \n\t"

  442. 

  443. #define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\

  444.         "movdqa %%"s0", %%"t0" \n\t"\

  445.         "movdqa %%"s1", %%"t1" \n\t"\

  446.         "movdqa %%"s2", %%"t2" \n\t"\

  447.         "movdqa %%"s3", %%"t3" \n\t"

  448. 

  449. void ff_snow_vertical_compose97i_sse2(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){

  450.     long i = width;

  451. 

  452.     while(i & 0xF)

  453.     {

  454.         i--;

  455.         b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;

  456.         b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;

  457.         b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;

  458.         b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;

  459.     }

  460. 

  461.          asm volatile (

  462.         "jmp 2f                                      \n\t"

  463.         "1:                                          \n\t"

  464. 

  465.         "mov %6, %%"REG_a"                           \n\t"

  466.         "mov %4, %%"REG_b"                           \n\t"

  467. 

  468.         snow_vertical_compose_sse2_load(REG_b,"xmm0","xmm2","xmm4","xmm6")

  469.         snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")

  470.         snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")

  471.         snow_vertical_compose_sse2_sll("1","xmm0","xmm2","xmm4","xmm6")\

  472.         snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")

  473. 

  474.         "pcmpeqd %%xmm1, %%xmm1                      \n\t"

  475.         "pslld $31, %%xmm1                           \n\t"

  476.         "psrld $29, %%xmm1                           \n\t"

  477.         "mov %5, %%"REG_a"                           \n\t"

  478. 

  479.         snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6")

  480.         snow_vertical_compose_sse2_sra("3","xmm0","xmm2","xmm4","xmm6")

  481.         snow_vertical_compose_sse2_load(REG_a,"xmm1","xmm3","xmm5","xmm7")

  482.         snow_vertical_compose_sse2_sub("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")

  483.         snow_vertical_compose_sse2_store(REG_a,"xmm1","xmm3","xmm5","xmm7")

  484.         "mov %3, %%"REG_c"                           \n\t"

  485.         snow_vertical_compose_sse2_load(REG_b,"xmm0","xmm2","xmm4","xmm6")

  486.         snow_vertical_compose_sse2_add(REG_c,"xmm1","xmm3","xmm5","xmm7")

  487.         snow_vertical_compose_sse2_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")

  488.         snow_vertical_compose_sse2_store(REG_b,"xmm0","xmm2","xmm4","xmm6")

  489.         "mov %2, %%"REG_a"                           \n\t"

  490.         snow_vertical_compose_sse2_load(REG_c,"xmm1","xmm3","xmm5","xmm7")

  491.         snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")

  492.         snow_vertical_compose_sse2_sll("2","xmm1","xmm3","xmm5","xmm7")\

  493.         snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")

  494. 

  495.         "pcmpeqd %%xmm1, %%xmm1                      \n\t"

  496.         "pslld $31, %%xmm1                           \n\t"

  497.         "psrld $28, %%xmm1                           \n\t"

  498.         "mov %1, %%"REG_b"                           \n\t"

  499. 

  500.         snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6")

  501.         snow_vertical_compose_sse2_sra("4","xmm0","xmm2","xmm4","xmm6")

  502.         snow_vertical_compose_sse2_add(REG_c,"xmm0","xmm2","xmm4","xmm6")

  503.         snow_vertical_compose_sse2_store(REG_c,"xmm0","xmm2","xmm4","xmm6")

  504.         snow_vertical_compose_sse2_add(REG_b,"xmm0","xmm2","xmm4","xmm6")

  505.         snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")

  506.         snow_vertical_compose_sse2_sll("1","xmm0","xmm2","xmm4","xmm6")\

  507.         snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")

  508.         snow_vertical_compose_sse2_sra("1","xmm0","xmm2","xmm4","xmm6")

  509.         snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6")

  510.         snow_vertical_compose_sse2_store(REG_a,"xmm0","xmm2","xmm4","xmm6")

  511. 

  512.         "2:                                          \n\t"

  513.         "sub $16, %%"REG_d"                          \n\t"

  514.         "jge 1b                                      \n\t"

  515.         :"+d"(i)

  516.         :

  517.         "m"(b0),"m"(b1),"m"(b2),"m"(b3),"m"(b4),"m"(b5):

  518.         "%"REG_a"","%"REG_b"","%"REG_c"");

  519. }

  520. 

  521. #define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\

  522.         ""op" (%%"r",%%"REG_d",4), %%"t0"   \n\t"\

  523.         ""op" 8(%%"r",%%"REG_d",4), %%"t1"  \n\t"\

  524.         ""op" 16(%%"r",%%"REG_d",4), %%"t2" \n\t"\

  525.         ""op" 24(%%"r",%%"REG_d",4), %%"t3" \n\t"

  526. 

  527. #define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\

  528.         snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3)

  529. 

  530. #define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\

  531.         snow_vertical_compose_mmx_load_add("paddd",r,t0,t1,t2,t3)

  532. 

  533. #define snow_vertical_compose_mmx_sub(s0,s1,s2,s3,t0,t1,t2,t3)\

  534.         snow_vertical_compose_sse2_sub(s0,s1,s2,s3,t0,t1,t2,t3)

  535. 

  536. #define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\

  537.         "movq %%"s0", (%%"w",%%"REG_d",4)   \n\t"\

  538.         "movq %%"s1", 8(%%"w",%%"REG_d",4)  \n\t"\

  539.         "movq %%"s2", 16(%%"w",%%"REG_d",4) \n\t"\

  540.         "movq %%"s3", 24(%%"w",%%"REG_d",4) \n\t"

  541. 

  542. #define snow_vertical_compose_mmx_sra(n,t0,t1,t2,t3)\

  543.         snow_vertical_compose_sse2_sra(n,t0,t1,t2,t3)

  544. 

  545. #define snow_vertical_compose_mmx_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\

  546.         snow_vertical_compose_sse2_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)

  547. 

  548. #define snow_vertical_compose_mmx_sll(n,t0,t1,t2,t3)\

  549.         snow_vertical_compose_sse2_sll(n,t0,t1,t2,t3)

  550. 

  551. #define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\

  552.         "movq %%"s0", %%"t0" \n\t"\

  553.         "movq %%"s1", %%"t1" \n\t"\

  554.         "movq %%"s2", %%"t2" \n\t"\

  555.         "movq %%"s3", %%"t3" \n\t"

  556. 

  557. void ff_snow_vertical_compose97i_mmx(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){

  558.     long i = width;

  559.     while(i & 0x7)

  560.     {

  561.         i--;

  562.         b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;

  563.         b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;

  564.         b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;

  565.         b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;

  566.     }

  567. 

  568.     asm volatile(

  569.         "jmp 2f                                      \n\t"

  570.         "1:                                          \n\t"

  571. 

  572.         "mov %6, %%"REG_a"                           \n\t"

  573.         "mov %4, %%"REG_b"                           \n\t"

  574. 

  575.         snow_vertical_compose_mmx_load(REG_b,"mm0","mm2","mm4","mm6")

  576.         snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")

  577.         snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")

  578.         snow_vertical_compose_mmx_sll("1","mm0","mm2","mm4","mm6")

  579.         snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")

  580. 

  581.         "pcmpeqd %%mm1, %%mm1                        \n\t"

  582.         "pslld $31, %%mm1                            \n\t"

  583.         "psrld $29, %%mm1                            \n\t"

  584.         "mov %5, %%"REG_a"                           \n\t"

  585. 

  586.         snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6")

  587.         snow_vertical_compose_mmx_sra("3","mm0","mm2","mm4","mm6")

  588.         snow_vertical_compose_mmx_load(REG_a,"mm1","mm3","mm5","mm7")

  589.         snow_vertical_compose_mmx_sub("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")

  590.         snow_vertical_compose_mmx_store(REG_a,"mm1","mm3","mm5","mm7")

  591.         "mov %3, %%"REG_c"                           \n\t"

  592.         snow_vertical_compose_mmx_load(REG_b,"mm0","mm2","mm4","mm6")

  593.         snow_vertical_compose_mmx_add(REG_c,"mm1","mm3","mm5","mm7")

  594.         snow_vertical_compose_mmx_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")

  595.         snow_vertical_compose_mmx_store(REG_b,"mm0","mm2","mm4","mm6")

  596.         "mov %2, %%"REG_a"                           \n\t"

  597.         snow_vertical_compose_mmx_load(REG_c,"mm1","mm3","mm5","mm7")

  598.         snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")

  599.         snow_vertical_compose_mmx_sll("2","mm1","mm3","mm5","mm7")

  600.         snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")

  601. 

  602.         "pcmpeqd %%mm1, %%mm1                        \n\t"

  603.         "pslld $31, %%mm1                            \n\t"

  604.         "psrld $28, %%mm1                            \n\t"

  605.         "mov %1, %%"REG_b"                           \n\t"

  606. 

  607.         snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6")

  608.         snow_vertical_compose_mmx_sra("4","mm0","mm2","mm4","mm6")

  609.         snow_vertical_compose_mmx_add(REG_c,"mm0","mm2","mm4","mm6")

  610.         snow_vertical_compose_mmx_store(REG_c,"mm0","mm2","mm4","mm6")

  611.         snow_vertical_compose_mmx_add(REG_b,"mm0","mm2","mm4","mm6")

  612.         snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")

  613.         snow_vertical_compose_mmx_sll("1","mm0","mm2","mm4","mm6")

  614.         snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")

  615.         snow_vertical_compose_mmx_sra("1","mm0","mm2","mm4","mm6")

  616.         snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6")

  617.         snow_vertical_compose_mmx_store(REG_a,"mm0","mm2","mm4","mm6")

  618. 

  619.         "2:                                          \n\t"

  620.         "sub $8, %%"REG_d"                           \n\t"

  621.         "jge 1b                                      \n\t"

  622.         :"+d"(i)

  623.         :

  624.         "m"(b0),"m"(b1),"m"(b2),"m"(b3),"m"(b4),"m"(b5):

  625.         "%"REG_a"","%"REG_b"","%"REG_c"");

  626. }

  627. 

  628. #define snow_inner_add_yblock_sse2_header \

  629.     DWTELEM * * dst_array = sb->line + src_y;\

  630.     asm volatile(\

  631.              "mov  %6, %%"REG_c"             \n\t"\

  632.              "mov  %5, %%"REG_b"             \n\t"\

  633.              "mov  %3, %%"REG_S"             \n\t"\

  634.              "pxor %%xmm7, %%xmm7            \n\t" /* 0 */\

  635.              "pcmpeqd %%xmm3, %%xmm3         \n\t"\

  636.              "pslld $31, %%xmm3              \n\t"\

  637.              "psrld $24, %%xmm3              \n\t" /* FRAC_BITS >> 1 */\

  638.              "1:                             \n\t"\

  639.              "mov %1, %%"REG_D"              \n\t"\

  640.              "mov (%%"REG_D"), %%"REG_D"     \n\t"\

  641.              "add %2, %%"REG_D"              \n\t"

  642. 

  643. #define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\

  644.              "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\

  645.              "movq (%%"REG_d"), %%"out_reg1" \n\t"\

  646.              "movq (%%"REG_d", %%"REG_c"), %%"out_reg2" \n\t"\

  647.              "punpcklbw %%xmm7, %%"out_reg1" \n\t"\

  648.              "punpcklbw %%xmm7, %%"out_reg2" \n\t"\

  649.              "movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\

  650.              "movq "s_offset"+16(%%"REG_S"), %%xmm4 \n\t"\

  651.              "punpcklbw %%xmm7, %%xmm0       \n\t"\

  652.              "punpcklbw %%xmm7, %%xmm4       \n\t"\

  653.              "pmullw %%xmm0, %%"out_reg1"    \n\t"\

  654.              "pmullw %%xmm4, %%"out_reg2"    \n\t"

  655. 

  656. #define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\

  657.              "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\

  658.              "movq (%%"REG_d"), %%"out_reg1" \n\t"\

  659.              "movq 8(%%"REG_d"), %%"out_reg2" \n\t"\

  660.              "punpcklbw %%xmm7, %%"out_reg1" \n\t"\

  661.              "punpcklbw %%xmm7, %%"out_reg2" \n\t"\

  662.              "movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\

  663.              "movq "s_offset"+8(%%"REG_S"), %%xmm4 \n\t"\

  664.              "punpcklbw %%xmm7, %%xmm0       \n\t"\

  665.              "punpcklbw %%xmm7, %%xmm4       \n\t"\

  666.              "pmullw %%xmm0, %%"out_reg1"    \n\t"\

  667.              "pmullw %%xmm4, %%"out_reg2"    \n\t"

  668. 

  669. #define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \

  670.              snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\

  671.              "paddusw %%xmm2, %%xmm1         \n\t"\

  672.              "paddusw %%xmm6, %%xmm5         \n\t"

  673. 

  674. #define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \

  675.              snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\

  676.              "paddusw %%xmm2, %%xmm1         \n\t"\

  677.              "paddusw %%xmm6, %%xmm5         \n\t"

  678. 

  679. #define snow_inner_add_yblock_sse2_end_common1\

  680.              "add $32, %%"REG_S"             \n\t"\

  681.              "add %%"REG_c", %0              \n\t"\

  682.              "add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\

  683.              "add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\

  684.              "add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\

  685.              "add %%"REG_c", (%%"REG_a")     \n\t"

  686. 

  687. #define snow_inner_add_yblock_sse2_end_common2\

  688.              "jnz 1b                         \n\t"\

  689.              :"+m"(dst8),"+m"(dst_array)\

  690.              :\

  691.              "rm"((long)(src_x<<2)),"m"(obmc),"a"(block),"m"((long)b_h),"rm"((long)src_stride):\

  692.              "%"REG_b"","%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");

  693. 

  694. #define snow_inner_add_yblock_sse2_end_8\

  695.              "sal $1, %%"REG_c"              \n\t"\

  696.              "add $"PTR_SIZE"*2, %1          \n\t"\

  697.              snow_inner_add_yblock_sse2_end_common1\

  698.              "sar $1, %%"REG_c"              \n\t"\

  699.              "sub $2, %%"REG_b"              \n\t"\

  700.              snow_inner_add_yblock_sse2_end_common2

  701. 

  702. #define snow_inner_add_yblock_sse2_end_16\

  703.              "add $"PTR_SIZE"*1, %1          \n\t"\

  704.              snow_inner_add_yblock_sse2_end_common1\

  705.              "dec %%"REG_b"                  \n\t"\

  706.              snow_inner_add_yblock_sse2_end_common2

  707. 

  708. static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,

  709.                       int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){

  710. snow_inner_add_yblock_sse2_header

  711. snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0")

  712. snow_inner_add_yblock_sse2_accum_8("2", "8")

  713. snow_inner_add_yblock_sse2_accum_8("1", "128")

  714. snow_inner_add_yblock_sse2_accum_8("0", "136")

  715. 

  716.              "mov %0, %%"REG_d"              \n\t"

  717.              "movdqa (%%"REG_D"), %%xmm0     \n\t"

  718.              "movdqa %%xmm1, %%xmm2          \n\t"

  719. 

  720.              "punpckhwd %%xmm7, %%xmm1       \n\t"

  721.              "punpcklwd %%xmm7, %%xmm2       \n\t"

  722.              "paddd %%xmm2, %%xmm0           \n\t"

  723.              "movdqa 16(%%"REG_D"), %%xmm2   \n\t"

  724.              "paddd %%xmm1, %%xmm2           \n\t"

  725.              "paddd %%xmm3, %%xmm0           \n\t"

  726.              "paddd %%xmm3, %%xmm2           \n\t"

  727. 

  728.              "mov %1, %%"REG_D"              \n\t"

  729.              "mov "PTR_SIZE"(%%"REG_D"), %%"REG_D";\n\t"

  730.              "add %2, %%"REG_D"              \n\t"

  731. 

  732.              "movdqa (%%"REG_D"), %%xmm4     \n\t"

  733.              "movdqa %%xmm5, %%xmm6          \n\t"

  734.              "punpckhwd %%xmm7, %%xmm5       \n\t"

  735.              "punpcklwd %%xmm7, %%xmm6       \n\t"

  736.              "paddd %%xmm6, %%xmm4           \n\t"

  737.              "movdqa 16(%%"REG_D"), %%xmm6   \n\t"

  738.              "paddd %%xmm5, %%xmm6           \n\t"

  739.              "paddd %%xmm3, %%xmm4           \n\t"

  740.              "paddd %%xmm3, %%xmm6           \n\t"

  741. 

  742.              "psrad $8, %%xmm0               \n\t" /* FRAC_BITS. */

  743.              "psrad $8, %%xmm2               \n\t" /* FRAC_BITS. */

  744.              "packssdw %%xmm2, %%xmm0        \n\t"

  745.              "packuswb %%xmm7, %%xmm0        \n\t"

  746.              "movq %%xmm0, (%%"REG_d")       \n\t"

  747. 

  748.              "psrad $8, %%xmm4               \n\t" /* FRAC_BITS. */

  749.              "psrad $8, %%xmm6               \n\t" /* FRAC_BITS. */

  750.              "packssdw %%xmm6, %%xmm4        \n\t"

  751.              "packuswb %%xmm7, %%xmm4        \n\t"

  752.              "movq %%xmm4, (%%"REG_d",%%"REG_c");\n\t"

  753. snow_inner_add_yblock_sse2_end_8

  754. }

  755. 

  756. static void inner_add_yblock_bw_16_obmc_32_sse2(uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,

  757.                       int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){

  758. snow_inner_add_yblock_sse2_header

  759. snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0")

  760. snow_inner_add_yblock_sse2_accum_16("2", "16")

  761. snow_inner_add_yblock_sse2_accum_16("1", "512")

  762. snow_inner_add_yblock_sse2_accum_16("0", "528")

  763. 

  764.              "mov %0, %%"REG_d"              \n\t"

  765.              "movdqa %%xmm1, %%xmm0          \n\t"

  766.              "movdqa %%xmm5, %%xmm4          \n\t"

  767.              "punpcklwd %%xmm7, %%xmm0       \n\t"

  768.              "paddd (%%"REG_D"), %%xmm0      \n\t"

  769.              "punpckhwd %%xmm7, %%xmm1       \n\t"

  770.              "paddd 16(%%"REG_D"), %%xmm1    \n\t"

  771.              "punpcklwd %%xmm7, %%xmm4       \n\t"

  772.              "paddd 32(%%"REG_D"), %%xmm4    \n\t"

  773.              "punpckhwd %%xmm7, %%xmm5       \n\t"

  774.              "paddd 48(%%"REG_D"), %%xmm5    \n\t"

  775.              "paddd %%xmm3, %%xmm0           \n\t"

  776.              "paddd %%xmm3, %%xmm1           \n\t"

  777.              "paddd %%xmm3, %%xmm4           \n\t"

  778.              "paddd %%xmm3, %%xmm5           \n\t"

  779.              "psrad $8, %%xmm0               \n\t" /* FRAC_BITS. */

  780.              "psrad $8, %%xmm1               \n\t" /* FRAC_BITS. */

  781.              "psrad $8, %%xmm4               \n\t" /* FRAC_BITS. */

  782.              "psrad $8, %%xmm5               \n\t" /* FRAC_BITS. */

  783. 

  784.              "packssdw %%xmm1, %%xmm0        \n\t"

  785.              "packssdw %%xmm5, %%xmm4        \n\t"

  786.              "packuswb %%xmm4, %%xmm0        \n\t"

  787. 

  788.              "movdqu %%xmm0, (%%"REG_d")       \n\t"

  789. 

  790. snow_inner_add_yblock_sse2_end_16

  791. }

  792. 

  793. #define snow_inner_add_yblock_mmx_header \

  794.     DWTELEM * * dst_array = sb->line + src_y;\

  795.     asm volatile(\

  796.              "mov  %6, %%"REG_c"             \n\t"\

  797.              "mov  %5, %%"REG_b"             \n\t"\

  798.              "mov  %3, %%"REG_S"             \n\t"\

  799.              "pxor %%mm7, %%mm7              \n\t" /* 0 */\

  800.              "pcmpeqd %%mm3, %%mm3           \n\t"\

  801.              "pslld $31, %%mm3               \n\t"\

  802.              "psrld $24, %%mm3               \n\t" /* FRAC_BITS >> 1 */\

  803.              "1:                             \n\t"\

  804.              "mov %1, %%"REG_D"              \n\t"\

  805.              "mov (%%"REG_D"), %%"REG_D"     \n\t"\

  806.              "add %2, %%"REG_D"              \n\t"

  807. 

  808. #define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\

  809.              "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\

  810.              "movd "d_offset"(%%"REG_d"), %%"out_reg1" \n\t"\

  811.              "movd "d_offset"+4(%%"REG_d"), %%"out_reg2" \n\t"\

  812.              "punpcklbw %%mm7, %%"out_reg1" \n\t"\

  813.              "punpcklbw %%mm7, %%"out_reg2" \n\t"\

  814.              "movd "s_offset"(%%"REG_S"), %%mm0 \n\t"\

  815.              "movd "s_offset"+4(%%"REG_S"), %%mm4 \n\t"\

  816.              "punpcklbw %%mm7, %%mm0       \n\t"\

  817.              "punpcklbw %%mm7, %%mm4       \n\t"\

  818.              "pmullw %%mm0, %%"out_reg1"    \n\t"\

  819.              "pmullw %%mm4, %%"out_reg2"    \n\t"

  820. 

  821. #define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \

  822.              snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\

  823.              "paddusw %%mm2, %%mm1         \n\t"\

  824.              "paddusw %%mm6, %%mm5         \n\t"

  825. 

  826. #define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\

  827.              "mov %0, %%"REG_d"              \n\t"\

  828.              "movq %%mm1, %%mm0              \n\t"\

  829.              "movq %%mm5, %%mm4              \n\t"\

  830.              "punpcklwd %%mm7, %%mm0         \n\t"\

  831.              "paddd "read_offset"(%%"REG_D"), %%mm0 \n\t"\

  832.              "punpckhwd %%mm7, %%mm1         \n\t"\

  833.              "paddd "read_offset"+8(%%"REG_D"), %%mm1 \n\t"\

  834.              "punpcklwd %%mm7, %%mm4         \n\t"\

  835.              "paddd "read_offset"+16(%%"REG_D"), %%mm4 \n\t"\

  836.              "punpckhwd %%mm7, %%mm5         \n\t"\

  837.              "paddd "read_offset"+24(%%"REG_D"), %%mm5 \n\t"\

  838.              "paddd %%mm3, %%mm0             \n\t"\

  839.              "paddd %%mm3, %%mm1             \n\t"\

  840.              "paddd %%mm3, %%mm4             \n\t"\

  841.              "paddd %%mm3, %%mm5             \n\t"\

  842.              "psrad $8, %%mm0                \n\t"\

  843.              "psrad $8, %%mm1                \n\t"\

  844.              "psrad $8, %%mm4                \n\t"\

  845.              "psrad $8, %%mm5                \n\t"\

  846. \

  847.              "packssdw %%mm1, %%mm0          \n\t"\

  848.              "packssdw %%mm5, %%mm4          \n\t"\

  849.              "packuswb %%mm4, %%mm0          \n\t"\

  850.              "movq %%mm0, "write_offset"(%%"REG_d") \n\t"

  851. 

  852. #define snow_inner_add_yblock_mmx_end(s_step)\

  853.              "add $"s_step", %%"REG_S"             \n\t"\

  854.              "add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\

  855.              "add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\

  856.              "add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\

  857.              "add %%"REG_c", (%%"REG_a")     \n\t"\

  858.              "add $"PTR_SIZE"*1, %1          \n\t"\

  859.              "add %%"REG_c", %0              \n\t"\

  860.              "dec %%"REG_b"                  \n\t"\

  861.              "jnz 1b                         \n\t"\

  862.              :"+m"(dst8),"+m"(dst_array)\

  863.              :\

  864.              "rm"((long)(src_x<<2)),"m"(obmc),"a"(block),"m"((long)b_h),"rm"((long)src_stride):\

  865.              "%"REG_b"","%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");

  866. 

  867. static void inner_add_yblock_bw_8_obmc_16_mmx(uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,

  868.                       int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){

  869. snow_inner_add_yblock_mmx_header

  870. snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")

  871. snow_inner_add_yblock_mmx_accum("2", "8", "0")

  872. snow_inner_add_yblock_mmx_accum("1", "128", "0")

  873. snow_inner_add_yblock_mmx_accum("0", "136", "0")

  874. snow_inner_add_yblock_mmx_mix("0", "0")

  875. snow_inner_add_yblock_mmx_end("16")

  876. }

  877. 

  878. static void inner_add_yblock_bw_16_obmc_32_mmx(uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h,

  879.                       int src_x, int src_y, long src_stride, slice_buffer * sb, int add, uint8_t * dst8){

  880. snow_inner_add_yblock_mmx_header

  881. snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")

  882. snow_inner_add_yblock_mmx_accum("2", "16", "0")

  883. snow_inner_add_yblock_mmx_accum("1", "512", "0")

  884. snow_inner_add_yblock_mmx_accum("0", "528", "0")

  885. snow_inner_add_yblock_mmx_mix("0", "0")

  886. 

  887. snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8")

  888. snow_inner_add_yblock_mmx_accum("2", "24", "8")

  889. snow_inner_add_yblock_mmx_accum("1", "520", "8")

  890. snow_inner_add_yblock_mmx_accum("0", "536", "8")

  891. snow_inner_add_yblock_mmx_mix("32", "8")

  892. snow_inner_add_yblock_mmx_end("32")

  893. }

  894. 

  895. void ff_snow_inner_add_yblock_sse2(uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,

  896.                            int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){

  897. 

  898.     if (b_w == 16)

  899.         inner_add_yblock_bw_16_obmc_32_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);

  900.     else if (b_w == 8 && obmc_stride == 16) {

  901.         if (!(b_h & 1))

  902.             inner_add_yblock_bw_8_obmc_16_bh_even_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);

  903.         else

  904.             inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);

  905.     } else

  906.          ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);

  907. }

  908. 

  909. void ff_snow_inner_add_yblock_mmx(uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,

  910.                           int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){

  911.     if (b_w == 16)

  912.         inner_add_yblock_bw_16_obmc_32_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);

  913.     else if (b_w == 8 && obmc_stride == 16)

  914.         inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);

  915.     else

  916.         ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);

  917. }