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FFmpeg/libavcodec/mips/mpegaudiodsp_mips_float.c

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  1. /*

  2.  * Copyright (c) 2012

  3.  *      MIPS Technologies, Inc., California.

  4.  *

  5.  * Redistribution and use in source and binary forms, with or without

  6.  * modification, are permitted provided that the following conditions

  7.  * are met:

  8.  * 1. Redistributions of source code must retain the above copyright

  9.  *    notice, this list of conditions and the following disclaimer.

  10.  * 2. Redistributions in binary form must reproduce the above copyright

  11.  *    notice, this list of conditions and the following disclaimer in the

  12.  *    documentation and/or other materials provided with the distribution.

  13.  * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its

  14.  *    contributors may be used to endorse or promote products derived from

  15.  *    this software without specific prior written permission.

  16.  *

  17.  * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND

  18.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  19.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  20.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE

  21.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  22.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

  23.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  24.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

  25.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

  26.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

  27.  * SUCH DAMAGE.

  28.  *

  29.  * Author:  Bojan Zivkovic (bojan@mips.com)

  30.  *

  31.  * MPEG Audio decoder optimized for MIPS floating-point architecture

  32.  *

  33.  * This file is part of FFmpeg.

  34.  *

  35.  * FFmpeg is free software; you can redistribute it and/or

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

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

  38.  * version 2.1 of the License, or (at your option) any later version.

  39.  *

  40.  * FFmpeg is distributed in the hope that it will be useful,

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

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

  43.  * Lesser General Public License for more details.

  44.  *

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

  46.  * License along with FFmpeg; if not, write to the Free Software

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

  48.  */

  49. 

  50. /**

  51.  * @file

  52.  * Reference: libavcodec/mpegaudiodsp_template.c

  53.  *            libavcodec/dct32.c

  54.  */

  55. 

  56. #include <string.h>

  57. 

  58. #include "libavcodec/mpegaudiodsp.h"

  59. 

  60. static void ff_mpadsp_apply_window_mips_float(float *synth_buf, float *window,

  61.                                int *dither_state, float *samples, int incr)

  62. {

  63.     register const float *w, *w2, *p;

  64.     int j;

  65.     float *samples2;

  66.     float sum, sum2;

  67.     /* temporary variables */

  68.     int incr1 = incr << 2;

  69.     int t_sample;

  70.     float in1, in2, in3, in4, in5, in6, in7, in8;

  71.     float *p2;

  72. 

  73.     /* copy to avoid wrap */

  74.     memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));

  75. 

  76.     /**

  77.     * instructions are scheduled to minimize pipeline stall.

  78.     * use of round_sample function from the original code is

  79.     * changed with appropriate assembly instructions.

  80.     */

  81. 

  82.     __asm__ volatile (

  83.         "lwc1    %[sum],      0(%[dither_state])                            \t\n"

  84.         "sll     %[t_sample], %[incr1],     5                               \t\n"

  85.         "sub     %[t_sample], %[t_sample],  %[incr1]                        \n\t"

  86.         "li      %[j],        4                                             \t\n"

  87.         "lwc1    %[in1],      0(%[window])                                  \t\n"

  88.         "lwc1    %[in2],      16*4(%[synth_buf])                            \t\n"

  89.         "sw      $zero,       0(%[dither_state])                            \t\n"

  90.         "lwc1    %[in3],      64*4(%[window])                               \t\n"

  91.         "lwc1    %[in4],      80*4(%[synth_buf])                            \t\n"

  92.         "addu    %[samples2], %[samples],   %[t_sample]                     \t\n"

  93.         "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  94.         "lwc1    %[in5],      128*4(%[window])                              \t\n"

  95.         "lwc1    %[in6],      144*4(%[synth_buf])                           \t\n"

  96.         "lwc1    %[in7],      192*4(%[window])                              \t\n"

  97.         "madd.s  %[sum],      %[sum],       %[in3], %[in4]                  \t\n"

  98.         "lwc1    %[in8],      208*4(%[synth_buf])                           \t\n"

  99.         "lwc1    %[in1],      256*4(%[window])                              \t\n"

  100.         "lwc1    %[in2],      272*4(%[synth_buf])                           \t\n"

  101.         "madd.s  %[sum],      %[sum],       %[in5], %[in6]                  \t\n"

  102.         "lwc1    %[in3],      320*4(%[window])                              \t\n"

  103.         "lwc1    %[in4],      336*4(%[synth_buf])                           \t\n"

  104.         "lwc1    %[in5],      384*4(%[window])                              \t\n"

  105.         "madd.s  %[sum],      %[sum],       %[in7], %[in8]                  \t\n"

  106.         "lwc1    %[in6],      400*4(%[synth_buf])                           \t\n"

  107.         "lwc1    %[in7],      448*4(%[window])                              \t\n"

  108.         "lwc1    %[in8],      464*4(%[synth_buf])                           \t\n"

  109.         "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  110.         "lwc1    %[in1],      32*4(%[window])                               \t\n"

  111.         "lwc1    %[in2],      48*4(%[synth_buf])                            \t\n"

  112.         "madd.s  %[sum],      %[sum],       %[in3], %[in4]                  \t\n"

  113.         "lwc1    %[in3],      96*4(%[window])                               \t\n"

  114.         "lwc1    %[in4],      112*4(%[synth_buf])                           \t\n"

  115.         "madd.s  %[sum],      %[sum],       %[in5], %[in6]                  \t\n"

  116.         "lwc1    %[in5],      160*4(%[window])                              \t\n"

  117.         "lwc1    %[in6],      176*4(%[synth_buf])                           \t\n"

  118.         "madd.s  %[sum],      %[sum],       %[in7], %[in8]                  \t\n"

  119.         "lwc1    %[in7],      224*4(%[window])                              \t\n"

  120.         "lwc1    %[in8],      240*4(%[synth_buf])                           \t\n"

  121.         "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  122.         "lwc1    %[in1],      288*4(%[window])                              \t\n"

  123.         "lwc1    %[in2],      304*4(%[synth_buf])                           \t\n"

  124.         "nmsub.s %[sum],      %[sum],       %[in3], %[in4]                  \t\n"

  125.         "lwc1    %[in3],      352*4(%[window])                              \t\n"

  126.         "lwc1    %[in4],      368*4(%[synth_buf])                           \t\n"

  127.         "nmsub.s %[sum],      %[sum],       %[in5], %[in6]                  \t\n"

  128.         "lwc1    %[in5],      416*4(%[window])                              \t\n"

  129.         "lwc1    %[in6],      432*4(%[synth_buf])                           \t\n"

  130.         "nmsub.s %[sum],      %[sum],       %[in7], %[in8]                  \t\n"

  131.         "lwc1    %[in7],      480*4(%[window])                              \t\n"

  132.         "lwc1    %[in8],      496*4(%[synth_buf])                           \t\n"

  133.         "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  134.         "addu    %[w],        %[window],    4                               \t\n"

  135.         "nmsub.s %[sum],      %[sum],       %[in3], %[in4]                  \t\n"

  136.         "addu    %[w2],       %[window],    124                             \t\n"

  137.         "addiu   %[p],        %[synth_buf], 68                              \t\n"

  138.         "addiu   %[p2],       %[synth_buf], 188                             \t\n"

  139.         "nmsub.s %[sum],      %[sum],       %[in5], %[in6]                  \t\n"

  140.         "nmsub.s %[sum],      %[sum],       %[in7], %[in8]                  \t\n"

  141.         "swc1    %[sum],      0(%[samples])                                 \t\n"

  142.         "addu    %[samples],  %[samples],   %[incr1]                        \t\n"

  143. 

  144.         /* calculate two samples at the same time to avoid one memory

  145.            access per two sample */

  146. 

  147.         "ff_mpadsp_apply_window_loop%=:                                     \t\n"

  148.         "lwc1    %[in1],      0(%[w])                                       \t\n"

  149.         "lwc1    %[in2],      0(%[p])                                       \t\n"

  150.         "lwc1    %[in3],      0(%[w2])                                      \t\n"

  151.         "lwc1    %[in4],      64*4(%[w])                                    \t\n"

  152.         "lwc1    %[in5],      64*4(%[p])                                    \t\n"

  153.         "lwc1    %[in6],      64*4(%[w2])                                   \t\n"

  154.         "mul.s   %[sum],      %[in1],       %[in2]                          \t\n"

  155.         "mul.s   %[sum2],     %[in2],       %[in3]                          \t\n"

  156.         "lwc1    %[in1],      128*4(%[w])                                   \t\n"

  157.         "lwc1    %[in2],      128*4(%[p])                                   \t\n"

  158.         "madd.s  %[sum],      %[sum],       %[in4], %[in5]                  \t\n"

  159.         "nmadd.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"

  160.         "lwc1    %[in3],      128*4(%[w2])                                  \t\n"

  161.         "lwc1    %[in4],      192*4(%[w])                                   \t\n"

  162.         "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  163.         "lwc1    %[in5],      192*4(%[p])                                   \t\n"

  164.         "lwc1    %[in6],      192*4(%[w2])                                  \t\n"

  165.         "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"

  166.         "lwc1    %[in1],      256*4(%[w])                                   \t\n"

  167.         "lwc1    %[in2],      256*4(%[p])                                   \t\n"

  168.         "madd.s  %[sum],      %[sum],       %[in4], %[in5]                  \t\n"

  169.         "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"

  170.         "lwc1    %[in3],      256*4(%[w2])                                  \t\n"

  171.         "lwc1    %[in4],      320*4(%[w])                                   \t\n"

  172.         "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  173.         "lwc1    %[in5],      320*4(%[p])                                   \t\n"

  174.         "lwc1    %[in6],      320*4(%[w2])                                  \t\n"

  175.         "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"

  176.         "lwc1    %[in1],      384*4(%[w])                                   \t\n"

  177.         "lwc1    %[in2],      384*4(%[p])                                   \t\n"

  178.         "madd.s  %[sum],      %[sum],       %[in4], %[in5]                  \t\n"

  179.         "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"

  180.         "lwc1    %[in3],      384*4(%[w2])                                  \t\n"

  181.         "lwc1    %[in4],      448*4(%[w])                                   \t\n"

  182.         "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  183.         "lwc1    %[in5],      448*4(%[p])                                   \t\n"

  184.         "lwc1    %[in6],      448*4(%[w2])                                  \t\n"

  185.         "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"

  186.         "madd.s  %[sum],      %[sum],       %[in4], %[in5]                  \t\n"

  187.         "lwc1    %[in1],      32*4(%[w])                                    \t\n"

  188.         "lwc1    %[in2],      0(%[p2])                                      \t\n"

  189.         "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"

  190.         "lwc1    %[in3],      32*4(%[w2])                                   \t\n"

  191.         "lwc1    %[in4],      96*4(%[w])                                    \t\n"

  192.         "lwc1    %[in5],      64*4(%[p2])                                   \t\n"

  193.         "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  194.         "lwc1    %[in6],      96*4(%[w2])                                   \t\n"

  195.         "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"

  196.         "lwc1    %[in1],      160*4(%[w])                                   \t\n"

  197.         "nmsub.s %[sum],      %[sum],       %[in4], %[in5]                  \t\n"

  198.         "lwc1    %[in2],      128*4(%[p2])                                  \t\n"

  199.         "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"

  200.         "lwc1    %[in3],      160*4(%[w2])                                  \t\n"

  201.         "lwc1    %[in4],      224*4(%[w])                                   \t\n"

  202.         "lwc1    %[in5],      192*4(%[p2])                                  \t\n"

  203.         "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  204.         "lwc1    %[in6],      224*4(%[w2])                                  \t\n"

  205.         "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"

  206.         "lwc1    %[in1],      288*4(%[w])                                   \t\n"

  207.         "nmsub.s %[sum],      %[sum],       %[in4], %[in5]                  \t\n"

  208.         "lwc1    %[in2],      256*4(%[p2])                                  \t\n"

  209.         "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"

  210.         "lwc1    %[in3],      288*4(%[w2])                                  \t\n"

  211.         "lwc1    %[in4],      352*4(%[w])                                   \t\n"

  212.         "lwc1    %[in5],      320*4(%[p2])                                  \t\n"

  213.         "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  214.         "lwc1    %[in6],      352*4(%[w2])                                  \t\n"

  215.         "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"

  216.         "lwc1    %[in1],      416*4(%[w])                                   \t\n"

  217.         "nmsub.s %[sum],      %[sum],       %[in4], %[in5]                  \t\n"

  218.         "lwc1    %[in2],      384*4(%[p2])                                  \t\n"

  219.         "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"

  220.         "lwc1    %[in3],      416*4(%[w2])                                  \t\n"

  221.         "lwc1    %[in4],      480*4(%[w])                                   \t\n"

  222.         "lwc1    %[in5],      448*4(%[p2])                                  \t\n"

  223.         "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  224.         "lwc1    %[in6],      480*4(%[w2])                                  \t\n"

  225.         "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"

  226.         "addiu   %[w],        %[w],         4                               \t\n"

  227.         "nmsub.s %[sum],      %[sum],       %[in4], %[in5]                  \t\n"

  228.         "addiu   %[w2],       %[w2],        -4                              \t\n"

  229.         "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"

  230.         "addu    %[j],        %[j],         4                               \t\n"

  231.         "addiu   %[p],        4                                             \t\n"

  232.         "swc1    %[sum],      0(%[samples])                                 \t\n"

  233.         "addiu   %[p2],       -4                                            \t\n"

  234.         "swc1    %[sum2],     0(%[samples2])                                \t\n"

  235.         "addu    %[samples],  %[samples],   %[incr1]                        \t\n"

  236.         "subu    %[samples2], %[samples2],  %[incr1]                        \t\n"

  237.         "bne     %[j],        64,           ff_mpadsp_apply_window_loop%=   \t\n"

  238. 

  239.         "lwc1    %[in1],      48*4(%[window])                               \t\n"

  240.         "lwc1    %[in2],      32*4(%[synth_buf])                            \t\n"

  241.         "lwc1    %[in3],      112*4(%[window])                              \t\n"

  242.         "lwc1    %[in4],      96*4(%[synth_buf])                            \t\n"

  243.         "lwc1    %[in5],      176*4(%[window])                              \t\n"

  244.         "lwc1    %[in6],      160*4(%[synth_buf])                           \t\n"

  245.         "mul.s   %[sum],      %[in1],       %[in2]                          \t\n"

  246.         "lwc1    %[in7],      240*4(%[window])                              \t\n"

  247.         "lwc1    %[in8],      224*4(%[synth_buf])                           \t\n"

  248.         "lwc1    %[in1],      304*4(%[window])                              \t\n"

  249.         "nmadd.s %[sum],      %[sum],       %[in3], %[in4]                  \t\n"

  250.         "lwc1    %[in2],      288*4(%[synth_buf])                           \t\n"

  251.         "lwc1    %[in3],      368*4(%[window])                              \t\n"

  252.         "lwc1    %[in4],      352*4(%[synth_buf])                           \t\n"

  253.         "nmsub.s %[sum],      %[sum],       %[in5], %[in6]                  \t\n"

  254.         "nmsub.s %[sum],      %[sum],       %[in7], %[in8]                  \t\n"

  255.         "lwc1    %[in5],      432*4(%[window])                              \t\n"

  256.         "lwc1    %[in6],      416*4(%[synth_buf])                           \t\n"

  257.         "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"

  258.         "lwc1    %[in7],      496*4(%[window])                              \t\n"

  259.         "lwc1    %[in8],      480*4(%[synth_buf])                           \t\n"

  260.         "nmsub.s %[sum],      %[sum],       %[in3], %[in4]                  \t\n"

  261.         "nmsub.s %[sum],      %[sum],       %[in5], %[in6]                  \t\n"

  262.         "nmsub.s %[sum],      %[sum],       %[in7], %[in8]                  \t\n"

  263.         "swc1    %[sum],      0(%[samples])                                 \t\n"

  264. 

  265.         : [sum] "=&f" (sum), [sum2] "=&f" (sum2),

  266.           [w2] "=&r" (w2),   [w] "=&r" (w),

  267.           [p] "=&r" (p), [p2] "=&r" (p2), [j] "=&r" (j),

  268.           [samples] "+r" (samples), [samples2] "=&r" (samples2),

  269.           [in1] "=&f" (in1), [in2] "=&f" (in2),

  270.           [in3] "=&f" (in3), [in4] "=&f" (in4),

  271.           [in5] "=&f" (in5), [in6] "=&f" (in6),

  272.           [in7] "=&f" (in7), [in8] "=&f" (in8),

  273.           [t_sample] "=&r" (t_sample)

  274.         : [synth_buf] "r" (synth_buf), [window] "r" (window),

  275.           [dither_state] "r" (dither_state), [incr1] "r" (incr1)

  276.     );

  277. }

  278. 

  279. static void ff_dct32_mips_float(float *out, const float *tab)

  280. {

  281.     float val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7,

  282.           val8 , val9 , val10, val11, val12, val13, val14, val15,

  283.           val16, val17, val18, val19, val20, val21, val22, val23,

  284.           val24, val25, val26, val27, val28, val29, val30, val31;

  285.     float fTmp1, fTmp2, fTmp3, fTmp4, fTmp5, fTmp6, fTmp7, fTmp8,

  286.           fTmp9, fTmp10, fTmp11;

  287. 

  288.     /**

  289.     * instructions are scheduled to minimize pipeline stall.

  290.     */

  291.     __asm__ volatile (

  292.         "lwc1       %[fTmp1],       0*4(%[tab])                             \n\t"

  293.         "lwc1       %[fTmp2],       31*4(%[tab])                            \n\t"

  294.         "lwc1       %[fTmp3],       15*4(%[tab])                            \n\t"

  295.         "lwc1       %[fTmp4],       16*4(%[tab])                            \n\t"

  296.         "li.s       %[fTmp7],       0.50241928618815570551                  \n\t"

  297.         "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"

  298.         "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"

  299.         "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"

  300.         "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"

  301.         "li.s       %[fTmp10],      0.50060299823519630134                  \n\t"

  302.         "li.s       %[fTmp11],      10.19000812354805681150                 \n\t"

  303.         "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"

  304.         "add.s      %[val0],        %[fTmp5],       %[fTmp6]                \n\t"

  305.         "sub.s      %[val15],       %[fTmp5],       %[fTmp6]                \n\t"

  306.         "lwc1       %[fTmp1],       7*4(%[tab])                             \n\t"

  307.         "lwc1       %[fTmp2],       24*4(%[tab])                            \n\t"

  308.         "madd.s     %[val16],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  309.         "nmsub.s    %[val31],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  310.         "mul.s      %[val15],       %[val15],       %[fTmp7]                \n\t"

  311.         "lwc1       %[fTmp3],       8*4(%[tab])                             \n\t"

  312.         "lwc1       %[fTmp4],       23*4(%[tab])                            \n\t"

  313.         "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"

  314.         "mul.s      %[val31],       %[val31],       %[fTmp7]                \n\t"

  315.         "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"

  316.         "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"

  317.         "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"

  318.         "li.s       %[fTmp7],       5.10114861868916385802                  \n\t"

  319.         "li.s       %[fTmp10],      0.67480834145500574602                  \n\t"

  320.         "li.s       %[fTmp11],      0.74453627100229844977                  \n\t"

  321.         "add.s      %[val7],        %[fTmp5],       %[fTmp6]                \n\t"

  322.         "sub.s      %[val8],        %[fTmp5],       %[fTmp6]                \n\t"

  323.         "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"

  324.         "li.s       %[fTmp1],       0.50979557910415916894                  \n\t"

  325.         "sub.s      %[fTmp2],       %[val0],        %[val7]                 \n\t"

  326.         "mul.s      %[val8],        %[val8],        %[fTmp7]                \n\t"

  327.         "madd.s     %[val23],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  328.         "nmsub.s    %[val24],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  329.         "add.s      %[val0],        %[val0],        %[val7]                 \n\t"

  330.         "mul.s      %[val7],        %[fTmp1],       %[fTmp2]                \n\t"

  331.         "sub.s      %[fTmp2],       %[val15],       %[val8]                 \n\t"

  332.         "add.s      %[val8],        %[val15],       %[val8]                 \n\t"

  333.         "mul.s      %[val24],       %[val24],       %[fTmp7]                \n\t"

  334.         "sub.s      %[fTmp3],       %[val16],       %[val23]                \n\t"

  335.         "add.s      %[val16],       %[val16],       %[val23]                \n\t"

  336.         "mul.s      %[val15],       %[fTmp1],       %[fTmp2]                \n\t"

  337.         "sub.s      %[fTmp4],       %[val31],       %[val24]                \n\t"

  338.         "mul.s      %[val23],       %[fTmp1],       %[fTmp3]                \n\t"

  339.         "add.s      %[val24],       %[val31],       %[val24]                \n\t"

  340.         "mul.s      %[val31],       %[fTmp1],       %[fTmp4]                \n\t"

  341. 

  342.         : [fTmp1]  "=&f" (fTmp1),  [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),

  343.           [fTmp4]  "=&f" (fTmp4),  [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),

  344.           [fTmp7]  "=&f" (fTmp7),  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),

  345.           [fTmp10] "=&f" (fTmp10), [fTmp11] "=&f" (fTmp11),

  346.           [val0]  "=f" (val0),  [val7]  "=f" (val7),

  347.           [val8]  "=f" (val8),  [val15] "=f" (val15),

  348.           [val16] "=f" (val16), [val23] "=f" (val23),

  349.           [val24] "=f" (val24), [val31] "=f" (val31)

  350.         : [tab] "r" (tab)

  351.     );

  352. 

  353.     __asm__ volatile (

  354.         "lwc1       %[fTmp1],       3*4(%[tab])                             \n\t"

  355.         "lwc1       %[fTmp2],       28*4(%[tab])                            \n\t"

  356.         "lwc1       %[fTmp3],       12*4(%[tab])                            \n\t"

  357.         "lwc1       %[fTmp4],       19*4(%[tab])                            \n\t"

  358.         "li.s       %[fTmp7],       0.64682178335999012954                  \n\t"

  359.         "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"

  360.         "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"

  361.         "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"

  362.         "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"

  363.         "li.s       %[fTmp10],      0.53104259108978417447                  \n\t"

  364.         "li.s       %[fTmp11],      1.48416461631416627724                  \n\t"

  365.         "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"

  366.         "add.s      %[val3],        %[fTmp5],       %[fTmp6]                \n\t"

  367.         "sub.s      %[val12],       %[fTmp5],       %[fTmp6]                \n\t"

  368.         "lwc1       %[fTmp1],       4*4(%[tab])                             \n\t"

  369.         "lwc1       %[fTmp2],       27*4(%[tab])                            \n\t"

  370.         "madd.s     %[val19],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  371.         "nmsub.s    %[val28],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  372.         "mul.s      %[val12],       %[val12],       %[fTmp7]                \n\t"

  373.         "lwc1       %[fTmp3],       11*4(%[tab])                            \n\t"

  374.         "lwc1       %[fTmp4],       20*4(%[tab])                            \n\t"

  375.         "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"

  376.         "mul.s      %[val28],       %[val28],       %[fTmp7]                \n\t"

  377.         "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"

  378.         "li.s       %[fTmp7],       0.78815462345125022473                  \n\t"

  379.         "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"

  380.         "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"

  381.         "li.s       %[fTmp10],      0.55310389603444452782                  \n\t"

  382.         "li.s       %[fTmp11],      1.16943993343288495515                  \n\t"

  383.         "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"

  384.         "add.s      %[val4],        %[fTmp5],       %[fTmp6]                \n\t"

  385.         "sub.s      %[val11],       %[fTmp5],       %[fTmp6]                \n\t"

  386.         "li.s       %[fTmp1],       2.56291544774150617881                  \n\t"

  387.         "madd.s     %[val20],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  388.         "nmsub.s    %[val27],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  389.         "mul.s      %[val11],       %[val11],       %[fTmp7]                \n\t"

  390.         "sub.s      %[fTmp2],       %[val3],        %[val4]                 \n\t"

  391.         "add.s      %[val3],        %[val3],        %[val4]                 \n\t"

  392.         "sub.s      %[fTmp4],       %[val19],       %[val20]                \n\t"

  393.         "mul.s      %[val27],       %[val27],       %[fTmp7]                \n\t"

  394.         "sub.s      %[fTmp3],       %[val12],       %[val11]                \n\t"

  395.         "mul.s      %[val4],        %[fTmp1],       %[fTmp2]                \n\t"

  396.         "add.s      %[val11],       %[val12],       %[val11]                \n\t"

  397.         "add.s      %[val19],       %[val19],       %[val20]                \n\t"

  398.         "mul.s      %[val20],       %[fTmp1],       %[fTmp4]                \n\t"

  399.         "mul.s      %[val12],       %[fTmp1],       %[fTmp3]                \n\t"

  400.         "sub.s      %[fTmp2],       %[val28],       %[val27]                \n\t"

  401.         "add.s      %[val27],       %[val28],       %[val27]                \n\t"

  402.         "mul.s      %[val28],       %[fTmp1],       %[fTmp2]                \n\t"

  403. 

  404.         : [fTmp1]  "=&f" (fTmp1),  [fTmp2]  "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),

  405.           [fTmp4]  "=&f" (fTmp4),  [fTmp5]  "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),

  406.           [fTmp7]  "=&f" (fTmp7),  [fTmp8]  "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),

  407.           [fTmp10] "=&f" (fTmp10), [fTmp11] "=&f" (fTmp11),

  408.           [val3]  "=f" (val3),  [val4]  "=f" (val4),

  409.           [val11] "=f" (val11), [val12] "=f" (val12),

  410.           [val19] "=f" (val19), [val20] "=f" (val20),

  411.           [val27] "=f" (val27), [val28] "=f" (val28)

  412.         : [tab] "r" (tab)

  413.     );

  414. 

  415.     __asm__ volatile (

  416.         "li.s       %[fTmp1],       0.54119610014619698439                  \n\t"

  417.         "sub.s      %[fTmp2],       %[val0],        %[val3]                 \n\t"

  418.         "add.s      %[val0],        %[val0],        %[val3]                 \n\t"

  419.         "sub.s      %[fTmp3],       %[val7],        %[val4]                 \n\t"

  420.         "add.s      %[val4],        %[val7],        %[val4]                 \n\t"

  421.         "sub.s      %[fTmp4],       %[val8],        %[val11]                \n\t"

  422.         "mul.s      %[val3],        %[fTmp1],       %[fTmp2]                \n\t"

  423.         "add.s      %[val8],        %[val8],        %[val11]                \n\t"

  424.         "mul.s      %[val7],        %[fTmp1],       %[fTmp3]                \n\t"

  425.         "sub.s      %[fTmp2],       %[val15],       %[val12]                \n\t"

  426.         "mul.s      %[val11],       %[fTmp1],       %[fTmp4]                \n\t"

  427.         "add.s      %[val12],       %[val15],       %[val12]                \n\t"

  428.         "mul.s      %[val15],       %[fTmp1],       %[fTmp2]                \n\t"

  429. 

  430.         : [val0]  "+f" (val0),   [val3] "+f" (val3),

  431.           [val4]  "+f" (val4),   [val7] "+f" (val7),

  432.           [val8]  "+f" (val8),   [val11] "+f" (val11),

  433.           [val12] "+f" (val12),  [val15] "+f" (val15),

  434.           [fTmp1] "=f"  (fTmp1), [fTmp2] "=&f" (fTmp2),

  435.           [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4)

  436.         :

  437.     );

  438. 

  439.     __asm__ volatile (

  440.         "sub.s      %[fTmp2],       %[val16],       %[val19]                \n\t"

  441.         "add.s      %[val16],       %[val16],       %[val19]                \n\t"

  442.         "sub.s      %[fTmp3],       %[val23],       %[val20]                \n\t"

  443.         "add.s      %[val20],       %[val23],       %[val20]                \n\t"

  444.         "sub.s      %[fTmp4],       %[val24],       %[val27]                \n\t"

  445.         "mul.s      %[val19],       %[fTmp1],       %[fTmp2]                \n\t"

  446.         "add.s      %[val24],       %[val24],       %[val27]                \n\t"

  447.         "mul.s      %[val23],       %[fTmp1],       %[fTmp3]                \n\t"

  448.         "sub.s      %[fTmp2],       %[val31],       %[val28]                \n\t"

  449.         "mul.s      %[val27],       %[fTmp1],       %[fTmp4]                \n\t"

  450.         "add.s      %[val28],       %[val31],       %[val28]                \n\t"

  451.         "mul.s      %[val31],       %[fTmp1],       %[fTmp2]                \n\t"

  452. 

  453.         : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),

  454.           [val16] "+f" (val16), [val19] "+f" (val19), [val20] "+f" (val20),

  455.           [val23] "+f" (val23), [val24] "+f" (val24), [val27] "+f" (val27),

  456.           [val28] "+f" (val28), [val31] "+f" (val31)

  457.         : [fTmp1] "f" (fTmp1)

  458.     );

  459. 

  460.     __asm__ volatile (

  461.         "lwc1       %[fTmp1],       1*4(%[tab])                             \n\t"

  462.         "lwc1       %[fTmp2],       30*4(%[tab])                            \n\t"

  463.         "lwc1       %[fTmp3],       14*4(%[tab])                            \n\t"

  464.         "lwc1       %[fTmp4],       17*4(%[tab])                            \n\t"

  465.         "li.s       %[fTmp7],       0.52249861493968888062                  \n\t"

  466.         "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"

  467.         "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"

  468.         "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"

  469.         "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"

  470.         "li.s       %[fTmp10],      0.50547095989754365998                  \n\t"

  471.         "li.s       %[fTmp11],      3.40760841846871878570                  \n\t"

  472.         "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"

  473.         "add.s      %[val1],        %[fTmp5],       %[fTmp6]                \n\t"

  474.         "sub.s      %[val14],       %[fTmp5],       %[fTmp6]                \n\t"

  475.         "lwc1       %[fTmp1],       6*4(%[tab])                             \n\t"

  476.         "lwc1       %[fTmp2],       25*4(%[tab])                            \n\t"

  477.         "madd.s     %[val17],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  478.         "nmsub.s    %[val30],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  479.         "mul.s      %[val14],       %[val14],       %[fTmp7]                \n\t"

  480.         "lwc1       %[fTmp3],       9*4(%[tab])                             \n\t"

  481.         "lwc1       %[fTmp4],       22*4(%[tab])                            \n\t"

  482.         "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"

  483.         "mul.s      %[val30],       %[val30],       %[fTmp7]                \n\t"

  484.         "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"

  485.         "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"

  486.         "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"

  487.         "li.s       %[fTmp7],       1.72244709823833392782                  \n\t"

  488.         "li.s       %[fTmp10],      0.62250412303566481615                  \n\t"

  489.         "li.s       %[fTmp11],      0.83934964541552703873                  \n\t"

  490.         "add.s      %[val6],        %[fTmp5],       %[fTmp6]                \n\t"

  491.         "sub.s      %[val9],        %[fTmp5],       %[fTmp6]                \n\t"

  492.         "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"

  493.         "li.s       %[fTmp1],       0.60134488693504528054                  \n\t"

  494.         "sub.s      %[fTmp2],       %[val1],        %[val6]                 \n\t"

  495.         "add.s      %[val1],        %[val1],        %[val6]                 \n\t"

  496.         "mul.s      %[val9],        %[val9],        %[fTmp7]                \n\t"

  497.         "madd.s     %[val22],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  498.         "nmsub.s    %[val25],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  499.         "mul.s      %[val6],        %[fTmp1],       %[fTmp2]                \n\t"

  500.         "sub.s      %[fTmp2],       %[val14],       %[val9]                 \n\t"

  501.         "add.s      %[val9],        %[val14],       %[val9]                 \n\t"

  502.         "mul.s      %[val25],       %[val25],       %[fTmp7]                \n\t"

  503.         "sub.s      %[fTmp3],       %[val17],       %[val22]                \n\t"

  504.         "add.s      %[val17],       %[val17],       %[val22]                \n\t"

  505.         "mul.s      %[val14],       %[fTmp1],       %[fTmp2]                \n\t"

  506.         "sub.s      %[fTmp2],       %[val30],       %[val25]                \n\t"

  507.         "mul.s      %[val22],       %[fTmp1],       %[fTmp3]                \n\t"

  508.         "add.s      %[val25],       %[val30],       %[val25]                \n\t"

  509.         "mul.s      %[val30],       %[fTmp1],       %[fTmp2]                \n\t"

  510. 

  511.         : [fTmp1]  "=&f" (fTmp1),  [fTmp2]  "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),

  512.           [fTmp4]  "=&f" (fTmp4),  [fTmp5]  "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),

  513.           [fTmp7]  "=&f" (fTmp7),  [fTmp8]  "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),

  514.           [fTmp10] "=&f" (fTmp10), [fTmp11] "=&f" (fTmp11),

  515.           [val1]  "=f" (val1),  [val6]  "=f" (val6),

  516.           [val9]  "=f" (val9),  [val14] "=f" (val14),

  517.           [val17] "=f" (val17), [val22] "=f" (val22),

  518.           [val25] "=f" (val25), [val30] "=f" (val30)

  519.         : [tab] "r" (tab)

  520.     );

  521. 

  522.     __asm__ volatile (

  523.         "lwc1       %[fTmp1],       2*4(%[tab])                             \n\t"

  524.         "lwc1       %[fTmp2],       29*4(%[tab])                            \n\t"

  525.         "lwc1       %[fTmp3],       13*4(%[tab])                            \n\t"

  526.         "lwc1       %[fTmp4],       18*4(%[tab])                            \n\t"

  527.         "li.s       %[fTmp7],       0.56694403481635770368                  \n\t"

  528.         "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"

  529.         "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"

  530.         "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"

  531.         "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"

  532.         "li.s       %[fTmp10],      0.51544730992262454697                  \n\t"

  533.         "li.s       %[fTmp11],      2.05778100995341155085                  \n\t"

  534.         "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"

  535.         "add.s      %[val2],        %[fTmp5],       %[fTmp6]                \n\t"

  536.         "sub.s      %[val13],       %[fTmp5],       %[fTmp6]                \n\t"

  537.         "lwc1       %[fTmp1],       5*4(%[tab])                             \n\t"

  538.         "lwc1       %[fTmp2],       26*4(%[tab])                            \n\t"

  539.         "madd.s     %[val18],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  540.         "nmsub.s    %[val29],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  541.         "mul.s      %[val13],       %[val13],       %[fTmp7]                \n\t"

  542.         "lwc1       %[fTmp3],       10*4(%[tab])                            \n\t"

  543.         "lwc1       %[fTmp4],       21*4(%[tab])                            \n\t"

  544.         "mul.s      %[val29],       %[val29],       %[fTmp7]                \n\t"

  545.         "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"

  546.         "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"

  547.         "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"

  548.         "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"

  549.         "li.s       %[fTmp7],       1.06067768599034747134                  \n\t"

  550.         "li.s       %[fTmp10],      0.58293496820613387367                  \n\t"

  551.         "li.s       %[fTmp11],      0.97256823786196069369                  \n\t"

  552.         "add.s      %[val5],        %[fTmp5],       %[fTmp6]                \n\t"

  553.         "sub.s      %[val10],       %[fTmp5],       %[fTmp6]                \n\t"

  554.         "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"

  555.         "li.s       %[fTmp1],       0.89997622313641570463                  \n\t"

  556.         "sub.s      %[fTmp2],       %[val2],        %[val5]                 \n\t"

  557.         "mul.s      %[val10],       %[val10],       %[fTmp7]                \n\t"

  558.         "madd.s     %[val21],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  559.         "nmsub.s    %[val26],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"

  560.         "add.s      %[val2],        %[val2],        %[val5]                 \n\t"

  561.         "mul.s      %[val5],        %[fTmp1],       %[fTmp2]                \n\t"

  562.         "sub.s      %[fTmp3],       %[val13],       %[val10]                \n\t"

  563.         "add.s      %[val10],       %[val13],       %[val10]                \n\t"

  564.         "mul.s      %[val26],       %[val26],       %[fTmp7]                \n\t"

  565.         "sub.s      %[fTmp4],       %[val18],       %[val21]                \n\t"

  566.         "add.s      %[val18],       %[val18],       %[val21]                \n\t"

  567.         "mul.s      %[val13],       %[fTmp1],       %[fTmp3]                \n\t"

  568.         "sub.s      %[fTmp2],       %[val29],       %[val26]                \n\t"

  569.         "add.s      %[val26],       %[val29],       %[val26]                \n\t"

  570.         "mul.s      %[val21],       %[fTmp1],       %[fTmp4]                \n\t"

  571.         "mul.s      %[val29],       %[fTmp1],       %[fTmp2]                \n\t"

  572. 

  573.         : [fTmp1]  "=&f" (fTmp1),  [fTmp2]  "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),

  574.           [fTmp4]  "=&f" (fTmp4),  [fTmp5]  "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),

  575.           [fTmp7]  "=&f" (fTmp7),  [fTmp8]  "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),

  576.           [fTmp10] "=&f" (fTmp10), [fTmp11] "=&f" (fTmp11),

  577.           [val2]  "=f" (val2),  [val5]  "=f" (val5),

  578.           [val10] "=f" (val10), [val13] "=f" (val13),

  579.           [val18] "=f" (val18), [val21] "=f" (val21),

  580.           [val26] "=f" (val26), [val29] "=f" (val29)

  581.         : [tab] "r" (tab)

  582.     );

  583. 

  584.     __asm__ volatile (

  585.         "li.s       %[fTmp1],       1.30656296487637652785                  \n\t"

  586.         "sub.s      %[fTmp2],       %[val1],        %[val2]                 \n\t"

  587.         "add.s      %[val1],        %[val1],        %[val2]                 \n\t"

  588.         "sub.s      %[fTmp3],       %[val6],        %[val5]                 \n\t"

  589.         "add.s      %[val5],        %[val6],        %[val5]                 \n\t"

  590.         "sub.s      %[fTmp4],       %[val9],        %[val10]                \n\t"

  591.         "mul.s      %[val2],        %[fTmp1],       %[fTmp2]                \n\t"

  592.         "add.s      %[val9],        %[val9],        %[val10]                \n\t"

  593.         "mul.s      %[val6],        %[fTmp1],       %[fTmp3]                \n\t"

  594.         "sub.s      %[fTmp2],       %[val14],       %[val13]                \n\t"

  595.         "mul.s      %[val10],       %[fTmp1],       %[fTmp4]                \n\t"

  596.         "add.s      %[val13],       %[val14],       %[val13]                \n\t"

  597.         "mul.s      %[val14],       %[fTmp1],       %[fTmp2]                \n\t"

  598. 

  599.         : [fTmp1] "=f"  (fTmp1), [fTmp2] "=&f" (fTmp2),

  600.           [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),

  601.           [val1]  "+f" (val1),  [val2]  "+f" (val2),

  602.           [val5]  "+f" (val5),  [val6]  "+f" (val6),

  603.           [val9]  "+f" (val9),  [val10] "+f" (val10),

  604.           [val13] "+f" (val13), [val14] "+f" (val14)

  605.         :

  606.     );

  607. 

  608.     __asm__ volatile (

  609.         "sub.s      %[fTmp2],       %[val17],       %[val18]                \n\t"

  610.         "add.s      %[val17],       %[val17],       %[val18]                \n\t"

  611.         "sub.s      %[fTmp3],       %[val22],       %[val21]                \n\t"

  612.         "add.s      %[val21],       %[val22],       %[val21]                \n\t"

  613.         "sub.s      %[fTmp4],       %[val25],       %[val26]                \n\t"

  614.         "mul.s      %[val18],       %[fTmp1],       %[fTmp2]                \n\t"

  615.         "add.s      %[val25],       %[val25],       %[val26]                \n\t"

  616.         "mul.s      %[val22],       %[fTmp1],       %[fTmp3]                \n\t"

  617.         "sub.s      %[fTmp2],       %[val30],       %[val29]                \n\t"

  618.         "mul.s      %[val26],       %[fTmp1],       %[fTmp4]                \n\t"

  619.         "add.s      %[val29],       %[val30],       %[val29]                \n\t"

  620.         "mul.s      %[val30],       %[fTmp1],       %[fTmp2]                \n\t"

  621. 

  622.         : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),

  623.           [val17] "+f" (val17), [val18] "+f" (val18), [val21] "+f" (val21),

  624.           [val22] "+f" (val22), [val25] "+f" (val25), [val26] "+f" (val26),

  625.           [val29] "+f" (val29), [val30] "+f" (val30)

  626.         : [fTmp1] "f" (fTmp1)

  627.     );

  628. 

  629.     __asm__ volatile (

  630.         "li.s       %[fTmp1],       0.70710678118654752439                  \n\t"

  631.         "sub.s      %[fTmp2],       %[val0],        %[val1]                 \n\t"

  632.         "add.s      %[val0],        %[val0],        %[val1]                 \n\t"

  633.         "sub.s      %[fTmp3],       %[val3],        %[val2]                 \n\t"

  634.         "add.s      %[val2],        %[val3],        %[val2]                 \n\t"

  635.         "sub.s      %[fTmp4],       %[val4],        %[val5]                 \n\t"

  636.         "mul.s      %[val1],        %[fTmp1],       %[fTmp2]                \n\t"

  637.         "swc1       %[val0],        0(%[out])                               \n\t"

  638.         "mul.s      %[val3],        %[fTmp3],       %[fTmp1]                \n\t"

  639.         "add.s      %[val4],        %[val4],        %[val5]                 \n\t"

  640.         "mul.s      %[val5],        %[fTmp1],       %[fTmp4]                \n\t"

  641.         "swc1       %[val1],        16*4(%[out])                            \n\t"

  642.         "sub.s      %[fTmp2],       %[val7],        %[val6]                 \n\t"

  643.         "add.s      %[val2],        %[val2],        %[val3]                 \n\t"

  644.         "swc1       %[val3],        24*4(%[out])                            \n\t"

  645.         "add.s      %[val6],        %[val7],        %[val6]                 \n\t"

  646.         "mul.s      %[val7],        %[fTmp1],       %[fTmp2]                \n\t"

  647.         "swc1       %[val2],        8*4(%[out])                             \n\t"

  648.         "add.s      %[val6],        %[val6],        %[val7]                 \n\t"

  649.         "swc1       %[val7],        28*4(%[out])                            \n\t"

  650.         "add.s      %[val4],        %[val4],        %[val6]                 \n\t"

  651.         "add.s      %[val6],        %[val6],        %[val5]                 \n\t"

  652.         "add.s      %[val5],        %[val5],        %[val7]                 \n\t"

  653.         "swc1       %[val4],        4*4(%[out])                             \n\t"

  654.         "swc1       %[val5],        20*4(%[out])                            \n\t"

  655.         "swc1       %[val6],        12*4(%[out])                            \n\t"

  656. 

  657.         : [fTmp1] "=f"  (fTmp1), [fTmp2] "=&f" (fTmp2),

  658.           [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),

  659.           [val0] "+f" (val0), [val1] "+f" (val1),

  660.           [val2] "+f" (val2), [val3] "+f" (val3),

  661.           [val4] "+f" (val4), [val5] "+f" (val5),

  662.           [val6] "+f" (val6), [val7] "+f" (val7)

  663.         : [out] "r" (out)

  664.     );

  665. 

  666.     __asm__ volatile (

  667.         "sub.s      %[fTmp2],       %[val8],        %[val9]                 \n\t"

  668.         "add.s      %[val8],        %[val8],        %[val9]                 \n\t"

  669.         "sub.s      %[fTmp3],       %[val11],       %[val10]                \n\t"

  670.         "add.s      %[val10],       %[val11],       %[val10]                \n\t"

  671.         "sub.s      %[fTmp4],       %[val12],       %[val13]                \n\t"

  672.         "mul.s      %[val9],        %[fTmp1],       %[fTmp2]                \n\t"

  673.         "add.s      %[val12],       %[val12],       %[val13]                \n\t"

  674.         "mul.s      %[val11],       %[fTmp1],       %[fTmp3]                \n\t"

  675.         "sub.s      %[fTmp2],       %[val15],       %[val14]                \n\t"

  676.         "mul.s      %[val13],       %[fTmp1],       %[fTmp4]                \n\t"

  677.         "add.s      %[val14],       %[val15],       %[val14]                \n\t"

  678.         "add.s      %[val10],       %[val10],       %[val11]                \n\t"

  679.         "mul.s      %[val15],       %[fTmp1],       %[fTmp2]                \n\t"

  680.         "add.s      %[val14],       %[val14],       %[val15]                \n\t"

  681.         "add.s      %[val12],       %[val12],       %[val14]                \n\t"

  682.         "add.s      %[val14],       %[val14],       %[val13]                \n\t"

  683.         "add.s      %[val13],       %[val13],       %[val15]                \n\t"

  684.         "add.s      %[val8],        %[val8],        %[val12]                \n\t"

  685.         "add.s      %[val12],       %[val12],       %[val10]                \n\t"

  686.         "add.s      %[val10],       %[val10],       %[val14]                \n\t"

  687.         "add.s      %[val14],       %[val14],       %[val9]                 \n\t"

  688.         "add.s      %[val9],        %[val9],        %[val13]                \n\t"

  689.         "add.s      %[val13],       %[val13],       %[val11]                \n\t"

  690.         "add.s      %[val11],       %[val11],       %[val15]                \n\t"

  691.         "swc1       %[val8],         2*4(%[out])                            \n\t"

  692.         "swc1       %[val9],        18*4(%[out])                            \n\t"

  693.         "swc1       %[val10],       10*4(%[out])                            \n\t"

  694.         "swc1       %[val11],       26*4(%[out])                            \n\t"

  695.         "swc1       %[val12],        6*4(%[out])                            \n\t"

  696.         "swc1       %[val13],       22*4(%[out])                            \n\t"

  697.         "swc1       %[val14],       14*4(%[out])                            \n\t"

  698.         "swc1       %[val15],       30*4(%[out])                            \n\t"

  699. 

  700.         : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),

  701.           [val8]  "+f" (val8),  [val9]  "+f" (val9),  [val10] "+f" (val10),

  702.           [val11] "+f" (val11), [val12] "+f" (val12), [val13] "+f" (val13),

  703.           [val14] "+f" (val14), [val15] "+f" (val15)

  704.         : [fTmp1] "f" (fTmp1), [out] "r" (out)

  705.     );

  706. 

  707.     __asm__ volatile (

  708.         "sub.s      %[fTmp2],       %[val16],       %[val17]                \n\t"

  709.         "add.s      %[val16],       %[val16],       %[val17]                \n\t"

  710.         "sub.s      %[fTmp3],       %[val19],       %[val18]                \n\t"

  711.         "add.s      %[val18],       %[val19],       %[val18]                \n\t"

  712.         "sub.s      %[fTmp4],       %[val20],       %[val21]                \n\t"

  713.         "mul.s      %[val17],       %[fTmp1],       %[fTmp2]                \n\t"

  714.         "add.s      %[val20],       %[val20],       %[val21]                \n\t"

  715.         "mul.s      %[val19],       %[fTmp1],       %[fTmp3]                \n\t"

  716.         "sub.s      %[fTmp2],       %[val23],       %[val22]                \n\t"

  717.         "mul.s      %[val21],       %[fTmp1],       %[fTmp4]                \n\t"

  718.         "add.s      %[val22],       %[val23],       %[val22]                \n\t"

  719.         "add.s      %[val18],       %[val18],       %[val19]                \n\t"

  720.         "mul.s      %[val23],       %[fTmp1],       %[fTmp2]                \n\t"

  721.         "add.s      %[val22],       %[val22],       %[val23]                \n\t"

  722.         "add.s      %[val20],       %[val20],       %[val22]                \n\t"

  723.         "add.s      %[val22],       %[val22],       %[val21]                \n\t"

  724.         "add.s      %[val21],       %[val21],       %[val23]                \n\t"

  725. 

  726.         : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),

  727.           [val16] "+f" (val16), [val17] "+f" (val17), [val18] "+f" (val18),

  728.           [val19] "+f" (val19), [val20] "+f" (val20), [val21] "+f" (val21),

  729.           [val22] "+f" (val22), [val23] "+f" (val23)

  730.         : [fTmp1] "f" (fTmp1)

  731.     );

  732. 

  733.     __asm__ volatile (

  734.         "sub.s      %[fTmp2],       %[val24],       %[val25]                \n\t"

  735.         "add.s      %[val24],       %[val24],       %[val25]                \n\t"

  736.         "sub.s      %[fTmp3],       %[val27],       %[val26]                \n\t"

  737.         "add.s      %[val26],       %[val27],       %[val26]                \n\t"

  738.         "sub.s      %[fTmp4],       %[val28],       %[val29]                \n\t"

  739.         "mul.s      %[val25],       %[fTmp1],       %[fTmp2]                \n\t"

  740.         "add.s      %[val28],       %[val28],       %[val29]                \n\t"

  741.         "mul.s      %[val27],       %[fTmp1],       %[fTmp3]                \n\t"

  742.         "sub.s      %[fTmp2],       %[val31],       %[val30]                \n\t"

  743.         "mul.s      %[val29],       %[fTmp1],       %[fTmp4]                \n\t"

  744.         "add.s      %[val30],       %[val31],       %[val30]                \n\t"

  745.         "add.s      %[val26],       %[val26],       %[val27]                \n\t"

  746.         "mul.s      %[val31],       %[fTmp1],       %[fTmp2]                \n\t"

  747.         "add.s      %[val30],       %[val30],       %[val31]                \n\t"

  748.         "add.s      %[val28],       %[val28],       %[val30]                \n\t"

  749.         "add.s      %[val30],       %[val30],       %[val29]                \n\t"

  750.         "add.s      %[val29],       %[val29],       %[val31]                \n\t"

  751.         "add.s      %[val24],       %[val24],       %[val28]                \n\t"

  752.         "add.s      %[val28],       %[val28],       %[val26]                \n\t"

  753.         "add.s      %[val26],       %[val26],       %[val30]                \n\t"

  754.         "add.s      %[val30],       %[val30],       %[val25]                \n\t"

  755.         "add.s      %[val25],       %[val25],       %[val29]                \n\t"

  756.         "add.s      %[val29],       %[val29],       %[val27]                \n\t"

  757.         "add.s      %[val27],       %[val27],       %[val31]                \n\t"

  758. 

  759.         : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),

  760.           [val24] "+f" (val24), [val25] "+f" (val25), [val26] "+f" (val26),

  761.           [val27] "+f" (val27), [val28] "+f" (val28), [val29] "+f" (val29),

  762.           [val30] "+f" (val30), [val31] "+f" (val31)

  763.         : [fTmp1] "f" (fTmp1)

  764.     );

  765. 

  766.     out[ 1] = val16 + val24;

  767.     out[17] = val17 + val25;

  768.     out[ 9] = val18 + val26;

  769.     out[25] = val19 + val27;

  770.     out[ 5] = val20 + val28;

  771.     out[21] = val21 + val29;

  772.     out[13] = val22 + val30;

  773.     out[29] = val23 + val31;

  774.     out[ 3] = val24 + val20;

  775.     out[19] = val25 + val21;

  776.     out[11] = val26 + val22;

  777.     out[27] = val27 + val23;

  778.     out[ 7] = val28 + val18;

  779.     out[23] = val29 + val19;

  780.     out[15] = val30 + val17;

  781.     out[31] = val31;

  782. }

  783. 

  784. static void imdct36_mips_float(float *out, float *buf, float *in, float *win)

  785. {

  786.     float t0, t1, t2, t3, s0, s1, s2, s3;

  787.     float tmp[18];

  788.     /* temporary variables */

  789.     float in1, in2, in3, in4, in5, in6;

  790.     float out1, out2, out3, out4, out5;

  791.     float c1, c2, c3, c4, c5, c6, c7, c8, c9;

  792. 

  793.     /**

  794.     * all loops are unrolled totally, and instructions are scheduled to

  795.     * minimize pipeline stall. instructions of the first two loops are

  796.     * reorganized, in order to eliminate unnecessary readings and

  797.     * writings into array. values defined in macros and tables are

  798.     * eliminated - they are directly loaded in appropriate variables

  799.     */

  800. 

  801.     /* loop 1 and 2 */

  802.     __asm__ volatile (

  803.         "lwc1   %[in1],  17*4(%[in])                                    \t\n"

  804.         "lwc1   %[in2],  16*4(%[in])                                    \t\n"

  805.         "lwc1   %[in3],  15*4(%[in])                                    \t\n"

  806.         "lwc1   %[in4],  14*4(%[in])                                    \t\n"

  807.         "lwc1   %[in5],  13*4(%[in])                                    \t\n"

  808.         "lwc1   %[in6],  12*4(%[in])                                    \t\n"

  809.         "add.s  %[out1], %[in1],  %[in2]                                \t\n"

  810.         "add.s  %[out2], %[in2],  %[in3]                                \t\n"

  811.         "add.s  %[out3], %[in3],  %[in4]                                \t\n"

  812.         "add.s  %[out4], %[in4],  %[in5]                                \t\n"

  813.         "add.s  %[out5], %[in5],  %[in6]                                \t\n"

  814.         "lwc1   %[in1],  11*4(%[in])                                    \t\n"

  815.         "swc1   %[out2], 16*4(%[in])                                    \t\n"

  816.         "add.s  %[out1], %[out1], %[out3]                               \t\n"

  817.         "swc1   %[out4], 14*4(%[in])                                    \t\n"

  818.         "add.s  %[out3], %[out3], %[out5]                               \t\n"

  819.         "lwc1   %[in2],  10*4(%[in])                                    \t\n"

  820.         "lwc1   %[in3],  9*4(%[in])                                     \t\n"

  821.         "swc1   %[out1], 17*4(%[in])                                    \t\n"

  822.         "lwc1   %[in4],  8*4(%[in])                                     \t\n"

  823.         "swc1   %[out3], 15*4(%[in])                                    \t\n"

  824.         "add.s  %[out1], %[in6],  %[in1]                                \t\n"

  825.         "add.s  %[out2], %[in1],  %[in2]                                \t\n"

  826.         "add.s  %[out3], %[in2],  %[in3]                                \t\n"

  827.         "add.s  %[out4], %[in3],  %[in4]                                \t\n"

  828.         "lwc1   %[in5],  7*4(%[in])                                     \t\n"

  829.         "swc1   %[out1], 12*4(%[in])                                    \t\n"

  830.         "add.s  %[out5], %[out5], %[out2]                               \t\n"

  831.         "swc1   %[out3], 10*4(%[in])                                    \t\n"

  832.         "add.s  %[out2], %[out2], %[out4]                               \t\n"

  833.         "lwc1   %[in6],  6*4(%[in])                                     \t\n"

  834.         "lwc1   %[in1],  5*4(%[in])                                     \t\n"

  835.         "swc1   %[out5], 13*4(%[in])                                    \t\n"

  836.         "lwc1   %[in2],  4*4(%[in])                                     \t\n"

  837.         "swc1   %[out2], 11*4(%[in])                                    \t\n"

  838.         "add.s  %[out5], %[in4],  %[in5]                                \t\n"

  839.         "add.s  %[out1], %[in5],  %[in6]                                \t\n"

  840.         "add.s  %[out2], %[in6],  %[in1]                                \t\n"

  841.         "add.s  %[out3], %[in1],  %[in2]                                \t\n"

  842.         "lwc1   %[in3],  3*4(%[in])                                     \t\n"

  843.         "swc1   %[out5], 8*4(%[in])                                     \t\n"

  844.         "add.s  %[out4], %[out4], %[out1]                               \t\n"

  845.         "swc1   %[out2], 6*4(%[in])                                     \t\n"

  846.         "add.s  %[out1], %[out1], %[out3]                               \t\n"

  847.         "lwc1   %[in4],  2*4(%[in])                                     \t\n"

  848.         "lwc1   %[in5],  1*4(%[in])                                     \t\n"

  849.         "swc1   %[out4], 9*4(%[in])                                     \t\n"

  850.         "lwc1   %[in6],  0(%[in])                                       \t\n"

  851.         "swc1   %[out1], 7*4(%[in])                                     \t\n"

  852.         "add.s  %[out4], %[in2],  %[in3]                                \t\n"

  853.         "add.s  %[out5], %[in3],  %[in4]                                \t\n"

  854.         "add.s  %[out1], %[in4],  %[in5]                                \t\n"

  855.         "add.s  %[out2], %[in5],  %[in6]                                \t\n"

  856.         "swc1   %[out4], 4*4(%[in])                                     \t\n"

  857.         "add.s  %[out3], %[out3], %[out5]                               \t\n"

  858.         "swc1   %[out1], 2*4(%[in])                                     \t\n"

  859.         "add.s  %[out5], %[out5], %[out2]                               \t\n"

  860.         "swc1   %[out2], 1*4(%[in])                                     \t\n"

  861.         "swc1   %[out3], 5*4(%[in])                                     \t\n"

  862.         "swc1   %[out5], 3*4(%[in])                                     \t\n"

  863. 

  864.         : [in1] "=&f" (in1), [in2] "=&f" (in2),

  865.           [in3] "=&f" (in3), [in4] "=&f" (in4),

  866.           [in5] "=&f" (in5), [in6] "=&f" (in6),

  867.           [out1] "=&f" (out1), [out2] "=&f" (out2),

  868.           [out3] "=&f" (out3), [out4] "=&f" (out4),

  869.           [out5] "=&f" (out5)

  870.         : [in] "r" (in)

  871.     );

  872. 

  873.     /* loop 3 */

  874.     __asm__ volatile (

  875.         "li.s    %[c1],   0.5                                           \t\n"

  876.         "lwc1    %[in1],  8*4(%[in])                                    \t\n"

  877.         "lwc1    %[in2],  16*4(%[in])                                   \t\n"

  878.         "lwc1    %[in3],  4*4(%[in])                                    \t\n"

  879.         "lwc1    %[in4],  0(%[in])                                      \t\n"

  880.         "lwc1    %[in5],  12*4(%[in])                                   \t\n"

  881.         "li.s    %[c2],   0.93969262078590838405                        \t\n"

  882.         "add.s   %[t2],   %[in1],  %[in2]                               \t\n"

  883.         "add.s   %[t0],   %[in1],  %[in3]                               \t\n"

  884.         "li.s    %[c3],   -0.76604444311897803520                       \t\n"

  885.         "madd.s  %[t3],   %[in4],  %[in5], %[c1]                        \t\n"

  886.         "sub.s   %[t1],   %[in4],  %[in5]                               \t\n"

  887.         "sub.s   %[t2],   %[t2],   %[in3]                               \t\n"

  888.         "mul.s   %[t0],   %[t0],   %[c2]                                \t\n"

  889.         "li.s    %[c4],   -0.17364817766693034885                       \t\n"

  890.         "li.s    %[c5],   -0.86602540378443864676                       \t\n"

  891.         "li.s    %[c6],   0.98480775301220805936                        \t\n"

  892.         "nmsub.s %[out1], %[t1],   %[t2],  %[c1]                        \t\n"

  893.         "add.s   %[out2], %[t1],   %[t2]                                \t\n"

  894.         "add.s   %[t2],   %[in2],  %[in3]                               \t\n"

  895.         "sub.s   %[t1],   %[in1],  %[in2]                               \t\n"

  896.         "sub.s   %[out3], %[t3],   %[t0]                                \t\n"

  897.         "swc1    %[out1], 6*4(%[tmp])                                   \t\n"

  898.         "swc1    %[out2], 16*4(%[tmp])                                  \t\n"

  899.         "mul.s   %[t2],   %[t2],   %[c3]                                \t\n"

  900.         "mul.s   %[t1],   %[t1],   %[c4]                                \t\n"

  901.         "add.s   %[out1], %[t3],   %[t0]                                \t\n"

  902.         "lwc1    %[in1],  10*4(%[in])                                   \t\n"

  903.         "lwc1    %[in2],  14*4(%[in])                                   \t\n"

  904.         "sub.s   %[out3], %[out3], %[t2]                                \t\n"

  905.         "add.s   %[out2], %[t3],   %[t2]                                \t\n"

  906.         "add.s   %[out1], %[out1], %[t1]                                \t\n"

  907.         "lwc1    %[in3],  2*4(%[in])                                    \t\n"

  908.         "lwc1    %[in4],  6*4(%[in])                                    \t\n"

  909.         "swc1    %[out3], 10*4(%[tmp])                                  \t\n"

  910.         "sub.s   %[out2], %[out2], %[t1]                                \t\n"

  911.         "swc1    %[out1], 2*4(%[tmp])                                   \t\n"

  912.         "add.s   %[out1], %[in1],  %[in2]                               \t\n"

  913.         "add.s   %[t2],   %[in1],  %[in3]                               \t\n"

  914.         "sub.s   %[t3],   %[in1],  %[in2]                               \t\n"

  915.         "swc1    %[out2], 14*4(%[tmp])                                  \t\n"

  916.         "li.s    %[c7],   -0.34202014332566873304                       \t\n"

  917.         "sub.s   %[out1], %[out1], %[in3]                               \t\n"

  918.         "mul.s   %[t2],   %[t2],   %[c6]                                \t\n"

  919.         "mul.s   %[t3],   %[t3],   %[c7]                                \t\n"

  920.         "li.s    %[c8],   0.86602540378443864676                        \t\n"

  921.         "mul.s   %[t0],   %[in4],  %[c8]                                \t\n"

  922.         "mul.s   %[out1], %[out1], %[c5]                                \t\n"

  923.         "add.s   %[t1],   %[in2],  %[in3]                               \t\n"

  924.         "li.s    %[c9],   -0.64278760968653932632                       \t\n"

  925.         "add.s   %[out2], %[t2],   %[t3]                                \t\n"

  926.         "lwc1    %[in1],  9*4(%[in])                                    \t\n"

  927.         "swc1    %[out1], 4*4(%[tmp])                                   \t\n"

  928.         "mul.s   %[t1],   %[t1],   %[c9]                                \t\n"

  929.         "lwc1    %[in2],  17*4(%[in])                                   \t\n"

  930.         "add.s   %[out2], %[out2], %[t0]                                \t\n"

  931.         "lwc1    %[in3],  5*4(%[in])                                    \t\n"

  932.         "lwc1    %[in4],  1*4(%[in])                                    \t\n"

  933.         "add.s   %[out3], %[t2],   %[t1]                                \t\n"

  934.         "sub.s   %[out1], %[t3],   %[t1]                                \t\n"

  935.         "swc1    %[out2], 0(%[tmp])                                     \t\n"

  936.         "lwc1    %[in5],  13*4(%[in])                                   \t\n"

  937.         "add.s   %[t2],   %[in1],  %[in2]                               \t\n"

  938.         "sub.s   %[out3], %[out3], %[t0]                                \t\n"

  939.         "sub.s   %[out1], %[out1], %[t0]                                \t\n"

  940.         "add.s   %[t0],   %[in1],  %[in3]                               \t\n"

  941.         "madd.s  %[t3],   %[in4],  %[in5], %[c1]                        \t\n"

  942.         "sub.s   %[t2],   %[t2],   %[in3]                               \t\n"

  943.         "swc1    %[out3], 12*4(%[tmp])                                  \t\n"

  944.         "swc1    %[out1], 8*4(%[tmp])                                   \t\n"

  945.         "sub.s   %[t1],   %[in4],  %[in5]                               \t\n"

  946.         "mul.s   %[t0],   %[t0],   %[c2]                                \t\n"

  947.         "nmsub.s %[out1], %[t1],   %[t2],  %[c1]                        \t\n"

  948.         "add.s   %[out2], %[t1],   %[t2]                                \t\n"

  949.         "add.s   %[t2],   %[in2],  %[in3]                               \t\n"

  950.         "sub.s   %[t1],   %[in1],  %[in2]                               \t\n"

  951.         "sub.s   %[out3], %[t3],   %[t0]                                \t\n"

  952.         "swc1    %[out1], 7*4(%[tmp])                                   \t\n"

  953.         "swc1    %[out2], 17*4(%[tmp])                                  \t\n"

  954.         "mul.s   %[t2],   %[t2],   %[c3]                                \t\n"

  955.         "mul.s   %[t1],   %[t1],   %[c4]                                \t\n"

  956.         "add.s   %[out1], %[t3],   %[t0]                                \t\n"

  957.         "lwc1    %[in1],  11*4(%[in])                                   \t\n"

  958.         "lwc1    %[in2],  15*4(%[in])                                   \t\n"

  959.         "sub.s   %[out3], %[out3], %[t2]                                \t\n"

  960.         "add.s   %[out2], %[t3],   %[t2]                                \t\n"

  961.         "add.s   %[out1], %[out1], %[t1]                                \t\n"

  962.         "lwc1    %[in3],  3*4(%[in])                                    \t\n"

  963.         "lwc1    %[in4],  7*4(%[in])                                    \t\n"

  964.         "swc1    %[out3], 11*4(%[tmp])                                  \t\n"

  965.         "sub.s   %[out2], %[out2], %[t1]                                \t\n"

  966.         "swc1    %[out1], 3*4(%[tmp])                                   \t\n"

  967.         "add.s   %[out3], %[in1],  %[in2]                               \t\n"

  968.         "add.s   %[t2],   %[in1],  %[in3]                               \t\n"

  969.         "sub.s   %[t3],   %[in1],  %[in2]                               \t\n"

  970.         "swc1    %[out2], 15*4(%[tmp])                                  \t\n"

  971.         "mul.s   %[t0],   %[in4],  %[c8]                                \t\n"

  972.         "sub.s   %[out3], %[out3], %[in3]                               \t\n"

  973.         "mul.s   %[t2],   %[t2],   %[c6]                                \t\n"

  974.         "mul.s   %[t3],   %[t3],   %[c7]                                \t\n"

  975.         "add.s   %[t1],   %[in2],  %[in3]                               \t\n"

  976.         "mul.s   %[out3], %[out3], %[c5]                                \t\n"

  977.         "add.s   %[out1], %[t2],   %[t3]                                \t\n"

  978.         "mul.s   %[t1],   %[t1],   %[c9]                                \t\n"

  979.         "swc1    %[out3], 5*4(%[tmp])                                   \t\n"

  980.         "add.s   %[out1], %[out1], %[t0]                                \t\n"

  981.         "add.s   %[out2], %[t2],   %[t1]                                \t\n"

  982.         "sub.s   %[out3], %[t3],   %[t1]                                \t\n"

  983.         "swc1    %[out1], 1*4(%[tmp])                                   \t\n"

  984.         "sub.s   %[out2], %[out2], %[t0]                                \t\n"

  985.         "sub.s   %[out3], %[out3], %[t0]                                \t\n"

  986.         "swc1    %[out2], 13*4(%[tmp])                                  \t\n"

  987.         "swc1    %[out3], 9*4(%[tmp])                                   \t\n"

  988. 

  989.         : [t0] "=&f" (t0), [t1] "=&f" (t1),

  990.           [t2] "=&f" (t2), [t3] "=&f" (t3),

  991.           [in1] "=&f" (in1), [in2] "=&f" (in2),

  992.           [in3] "=&f" (in3), [in4] "=&f" (in4),

  993.           [in5] "=&f" (in5),

  994.           [out1] "=&f" (out1), [out2] "=&f" (out2),

  995.           [out3] "=&f" (out3),

  996.           [c1] "=&f" (c1), [c2] "=&f" (c2),

  997.           [c3] "=&f" (c3), [c4] "=&f" (c4),

  998.           [c5] "=&f" (c5), [c6] "=&f" (c6),

  999.           [c7] "=&f" (c7), [c8] "=&f" (c8),

  1000.           [c9] "=&f" (c9)

  1001.         : [in] "r" (in), [tmp] "r" (tmp)

  1002.     );

  1003. 

  1004.     /* loop 4 */

  1005.     __asm__ volatile (

  1006.         "lwc1   %[in1],  2*4(%[tmp])                                    \t\n"

  1007.         "lwc1   %[in2],  0(%[tmp])                                      \t\n"

  1008.         "lwc1   %[in3],  3*4(%[tmp])                                    \t\n"

  1009.         "lwc1   %[in4],  1*4(%[tmp])                                    \t\n"

  1010.         "li.s   %[c1],   0.50190991877167369479                         \t\n"

  1011.         "li.s   %[c2],   5.73685662283492756461                         \t\n"

  1012.         "add.s  %[s0],   %[in1], %[in2]                                 \t\n"

  1013.         "sub.s  %[s2],   %[in1], %[in2]                                 \t\n"

  1014.         "add.s  %[s1],   %[in3], %[in4]                                 \t\n"

  1015.         "sub.s  %[s3],   %[in3], %[in4]                                 \t\n"

  1016.         "lwc1   %[in1],  9*4(%[win])                                    \t\n"

  1017.         "lwc1   %[in2],  4*9*4(%[buf])                                  \t\n"

  1018.         "lwc1   %[in3],  8*4(%[win])                                    \t\n"

  1019.         "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"

  1020.         "mul.s  %[s3],   %[s3],  %[c2]                                  \t\n"

  1021.         "lwc1   %[in4],  4*8*4(%[buf])                                  \t\n"

  1022.         "lwc1   %[in5],  29*4(%[win])                                   \t\n"

  1023.         "lwc1   %[in6],  28*4(%[win])                                   \t\n"

  1024.         "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"

  1025.         "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"

  1026.         "li.s   %[c1],   0.51763809020504152469                         \t\n"

  1027.         "li.s   %[c2],   1.93185165257813657349                         \t\n"

  1028.         "mul.s  %[out3], %[in5], %[t0]                                  \t\n"

  1029.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1030.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1031.         "mul.s  %[out4], %[in6], %[t0]                                  \t\n"

  1032.         "add.s  %[t0],   %[s2],  %[s3]                                  \t\n"

  1033.         "swc1   %[out3], 4*9*4(%[buf])                                  \t\n"

  1034.         "swc1   %[out1], 288*4(%[out])                                  \t\n"

  1035.         "swc1   %[out2], 256*4(%[out])                                  \t\n"

  1036.         "swc1   %[out4], 4*8*4(%[buf])                                  \t\n"

  1037.         "sub.s  %[t1],   %[s2],  %[s3]                                  \t\n"

  1038.         "lwc1   %[in1],  17*4(%[win])                                   \t\n"

  1039.         "lwc1   %[in2],  4*17*4(%[buf])                                 \t\n"

  1040.         "lwc1   %[in3],  0(%[win])                                      \t\n"

  1041.         "lwc1   %[in4],  0(%[buf])                                      \t\n"

  1042.         "lwc1   %[in5],  37*4(%[win])                                   \t\n"

  1043.         "lwc1   %[in6],  20*4(%[win])                                   \t\n"

  1044.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1045.         "lwc1   %[in1],  6*4(%[tmp])                                    \t\n"

  1046.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1047.         "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"

  1048.         "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"

  1049.         "swc1   %[out1], 544*4(%[out])                                  \t\n"

  1050.         "lwc1   %[in2],  4*4(%[tmp])                                    \t\n"

  1051.         "swc1   %[out2], 0(%[out])                                      \t\n"

  1052.         "swc1   %[out3], 4*17*4(%[buf])                                 \t\n"

  1053.         "swc1   %[out4], 0(%[buf])                                      \t\n"

  1054.         "lwc1   %[in3],  7*4(%[tmp])                                    \t\n"

  1055.         "add.s  %[s0],   %[in1], %[in2]                                 \t\n"

  1056.         "sub.s  %[s2],   %[in1], %[in2]                                 \t\n"

  1057.         "lwc1   %[in4],  5*4(%[tmp])                                    \t\n"

  1058.         "add.s  %[s1],   %[in3], %[in4]                                 \t\n"

  1059.         "sub.s  %[s3],   %[in3], %[in4]                                 \t\n"

  1060.         "lwc1   %[in1],  10*4(%[win])                                   \t\n"

  1061.         "lwc1   %[in2],  4*10*4(%[buf])                                 \t\n"

  1062.         "lwc1   %[in3],  7*4(%[win])                                    \t\n"

  1063.         "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"

  1064.         "mul.s  %[s3],   %[s3],  %[c2]                                  \t\n"

  1065.         "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"

  1066.         "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"

  1067.         "lwc1   %[in4],  4*7*4(%[buf])                                  \t\n"

  1068.         "lwc1   %[in5],  30*4(%[win])                                   \t\n"

  1069.         "lwc1   %[in6],  27*4(%[win])                                   \t\n"

  1070.         "li.s   %[c1],   0.55168895948124587824                         \t\n"

  1071.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1072.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1073.         "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"

  1074.         "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"

  1075.         "add.s  %[t0],   %[s2],  %[s3]                                  \t\n"

  1076.         "swc1   %[out1], 320*4(%[out])                                  \t\n"

  1077.         "swc1   %[out2], 224*4(%[out])                                  \t\n"

  1078.         "swc1   %[out3], 4*10*4(%[buf])                                 \t\n"

  1079.         "swc1   %[out4], 4*7*4(%[buf])                                  \t\n"

  1080.         "sub.s  %[t1],   %[s2],  %[s3]                                  \t\n"

  1081.         "lwc1   %[in1],  16*4(%[win])                                   \t\n"

  1082.         "lwc1   %[in2],  4*16*4(%[buf])                                 \t\n"

  1083.         "lwc1   %[in3],  1*4(%[win])                                    \t\n"

  1084.         "lwc1   %[in4],  4*1*4(%[buf])                                  \t\n"

  1085.         "lwc1   %[in5],  36*4(%[win])                                   \t\n"

  1086.         "lwc1   %[in6],  21*4(%[win])                                   \t\n"

  1087.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1088.         "lwc1   %[in1],  10*4(%[tmp])                                   \t\n"

  1089.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1090.         "mul.s  %[out3], %[in5], %[t0]                                  \t\n"

  1091.         "mul.s  %[out4], %[in6], %[t0]                                  \t\n"

  1092.         "swc1   %[out1], 512*4(%[out])                                  \t\n"

  1093.         "lwc1   %[in2],  8*4(%[tmp])                                    \t\n"

  1094.         "swc1   %[out2], 32*4(%[out])                                   \t\n"

  1095.         "swc1   %[out3], 4*16*4(%[buf])                                 \t\n"

  1096.         "swc1   %[out4], 4*1*4(%[buf])                                  \t\n"

  1097.         "li.s   %[c2],   1.18310079157624925896                         \t\n"

  1098.         "add.s  %[s0],   %[in1], %[in2]                                 \t\n"

  1099.         "sub.s  %[s2],   %[in1], %[in2]                                 \t\n"

  1100.         "lwc1   %[in3],  11*4(%[tmp])                                   \t\n"

  1101.         "lwc1   %[in4],  9*4(%[tmp])                                    \t\n"

  1102.         "add.s  %[s1],   %[in3], %[in4]                                 \t\n"

  1103.         "sub.s  %[s3],   %[in3], %[in4]                                 \t\n"

  1104.         "lwc1   %[in1],  11*4(%[win])                                   \t\n"

  1105.         "lwc1   %[in2],  4*11*4(%[buf])                                 \t\n"

  1106.         "lwc1   %[in3],  6*4(%[win])                                    \t\n"

  1107.         "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"

  1108.         "mul.s  %[s3],   %[s3],  %[c2]                                  \t\n"

  1109.         "lwc1   %[in4],  4*6*4(%[buf])                                  \t\n"

  1110.         "lwc1   %[in5],  31*4(%[win])                                   \t\n"

  1111.         "lwc1   %[in6],  26*4(%[win])                                   \t\n"

  1112.         "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"

  1113.         "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"

  1114.         "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"

  1115.         "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"

  1116.         "add.s  %[t0],   %[s2],  %[s3]                                  \t\n"

  1117.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1118.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1119.         "swc1   %[out3], 4*11*4(%[buf])                                 \t\n"

  1120.         "swc1   %[out4], 4*6*4(%[buf])                                  \t\n"

  1121.         "sub.s  %[t1],   %[s2],  %[s3]                                  \t\n"

  1122.         "swc1   %[out1], 352*4(%[out])                                  \t\n"

  1123.         "swc1   %[out2], 192*4(%[out])                                  \t\n"

  1124.         "lwc1   %[in1],  15*4(%[win])                                   \t\n"

  1125.         "lwc1   %[in2],  4*15*4(%[buf])                                 \t\n"

  1126.         "lwc1   %[in3],  2*4(%[win])                                    \t\n"

  1127.         "lwc1   %[in4],  4*2*4(%[buf])                                  \t\n"

  1128.         "lwc1   %[in5],  35*4(%[win])                                   \t\n"

  1129.         "lwc1   %[in6],  22*4(%[win])                                   \t\n"

  1130.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1131.         "lwc1   %[in1],  14*4(%[tmp])                                   \t\n"

  1132.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1133.         "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"

  1134.         "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"

  1135.         "swc1   %[out1], 480*4(%[out])                                  \t\n"

  1136.         "lwc1   %[in2],  12*4(%[tmp])                                   \t\n"

  1137.         "swc1   %[out2], 64*4(%[out])                                   \t\n"

  1138.         "swc1   %[out3], 4*15*4(%[buf])                                 \t\n"

  1139.         "swc1   %[out4], 4*2*4(%[buf])                                  \t\n"

  1140.         "lwc1   %[in3],  15*4(%[tmp])                                   \t\n"

  1141.         "add.s  %[s0],   %[in1], %[in2]                                 \t\n"

  1142.         "sub.s  %[s2],   %[in1], %[in2]                                 \t\n"

  1143.         "lwc1   %[in4],  13*4(%[tmp])                                   \t\n"

  1144.         "li.s   %[c1],   0.61038729438072803416                         \t\n"

  1145.         "li.s   %[c2],   0.87172339781054900991                         \t\n"

  1146.         "add.s  %[s1],   %[in3], %[in4]                                 \t\n"

  1147.         "sub.s  %[s3],   %[in3], %[in4]                                 \t\n"

  1148.         "lwc1   %[in1],  12*4(%[win])                                   \t\n"

  1149.         "lwc1   %[in2],  4*12*4(%[buf])                                 \t\n"

  1150.         "lwc1   %[in3],  5*4(%[win])                                    \t\n"

  1151.         "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"

  1152.         "mul.s  %[s3],   %[s3],  %[c2]                                  \t\n"

  1153.         "lwc1   %[in4],  4*5*4(%[buf])                                  \t\n"

  1154.         "lwc1   %[in5],  32*4(%[win])                                   \t\n"

  1155.         "lwc1   %[in6],  25*4(%[win])                                   \t\n"

  1156.         "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"

  1157.         "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"

  1158.         "lwc1   %[s0],   16*4(%[tmp])                                   \t\n"

  1159.         "lwc1   %[s1],   17*4(%[tmp])                                   \t\n"

  1160.         "li.s   %[c1],   0.70710678118654752439                         \t\n"

  1161.         "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"

  1162.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1163.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1164.         "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"

  1165.         "add.s  %[t0],   %[s2],  %[s3]                                  \t\n"

  1166.         "swc1   %[out3], 4*12*4(%[buf])                                 \t\n"

  1167.         "swc1   %[out1], 384*4(%[out])                                  \t\n"

  1168.         "swc1   %[out2], 160*4(%[out])                                  \t\n"

  1169.         "swc1   %[out4], 4*5*4(%[buf])                                  \t\n"

  1170.         "sub.s  %[t1],   %[s2],  %[s3]                                  \t\n"

  1171.         "lwc1   %[in1],  14*4(%[win])                                   \t\n"

  1172.         "lwc1   %[in2],  4*14*4(%[buf])                                 \t\n"

  1173.         "lwc1   %[in3],  3*4(%[win])                                    \t\n"

  1174.         "lwc1   %[in4],  4*3*4(%[buf])                                  \t\n"

  1175.         "lwc1   %[in5],  34*4(%[win])                                   \t\n"

  1176.         "lwc1   %[in6],  23*4(%[win])                                   \t\n"

  1177.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1178.         "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"

  1179.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1180.         "mul.s  %[out3], %[in5], %[t0]                                  \t\n"

  1181.         "mul.s  %[out4], %[in6], %[t0]                                  \t\n"

  1182.         "swc1   %[out1], 448*4(%[out])                                  \t\n"

  1183.         "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"

  1184.         "swc1   %[out2], 96*4(%[out])                                   \t\n"

  1185.         "swc1   %[out3], 4*14*4(%[buf])                                 \t\n"

  1186.         "swc1   %[out4], 4*3*4(%[buf])                                  \t\n"

  1187.         "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"

  1188.         "lwc1   %[in1],  13*4(%[win])                                   \t\n"

  1189.         "lwc1   %[in2],  4*13*4(%[buf])                                 \t\n"

  1190.         "lwc1   %[in3],  4*4(%[win])                                    \t\n"

  1191.         "lwc1   %[in4],  4*4*4(%[buf])                                  \t\n"

  1192.         "lwc1   %[in5],  33*4(%[win])                                   \t\n"

  1193.         "lwc1   %[in6],  24*4(%[win])                                   \t\n"

  1194.         "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"

  1195.         "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"

  1196.         "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"

  1197.         "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"

  1198.         "swc1   %[out1], 416*4(%[out])                                  \t\n"

  1199.         "swc1   %[out2], 128*4(%[out])                                  \t\n"

  1200.         "swc1   %[out3], 4*13*4(%[buf])                                 \t\n"

  1201.         "swc1   %[out4], 4*4*4(%[buf])                                  \t\n"

  1202. 

  1203.         : [c1] "=&f" (c1), [c2] "=&f" (c2),

  1204.           [in1] "=&f" (in1), [in2] "=&f" (in2),

  1205.           [in3] "=&f" (in3), [in4] "=&f" (in4),

  1206.           [in5] "=&f" (in5), [in6] "=&f" (in6),

  1207.           [out1] "=&f" (out1), [out2] "=&f" (out2),

  1208.           [out3] "=&f" (out3), [out4] "=&f" (out4),

  1209.           [t0] "=&f" (t0), [t1] "=&f" (t1),

  1210.           [t2] "=&f" (t2), [t3] "=&f" (t3),

  1211.           [s0] "=&f" (s0), [s1] "=&f" (s1),

  1212.           [s2] "=&f" (s2), [s3] "=&f" (s3)

  1213.         : [tmp] "r" (tmp), [win] "r" (win),

  1214.           [buf] "r" (buf), [out] "r" (out)

  1215.     );

  1216. }

  1217. 

  1218. static void ff_imdct36_blocks_mips_float(float *out, float *buf, float *in,

  1219.                                int count, int switch_point, int block_type)

  1220. {

  1221.     int j;

  1222.     for (j=0 ; j < count; j++) {

  1223.         /* apply window & overlap with previous buffer */

  1224. 

  1225.         /* select window */

  1226.         int win_idx = (switch_point && j < 2) ? 0 : block_type;

  1227.         float *win = ff_mdct_win_float[win_idx + (4 & -(j & 1))];

  1228. 

  1229.         imdct36_mips_float(out, buf, in, win);

  1230. 

  1231.         in  += 18;

  1232.         buf += ((j&3) != 3 ? 1 : (72-3));

  1233.         out++;

  1234.     }

  1235. }

  1236. 

  1237. void ff_mpadsp_init_mipsfpu(MPADSPContext *s)

  1238. {

  1239.     s->apply_window_float   = ff_mpadsp_apply_window_mips_float;

  1240.     s->imdct36_blocks_float = ff_imdct36_blocks_mips_float;

  1241.     s->dct32_float          = ff_dct32_mips_float;

  1242. }