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FFmpeg/libavutil/mips/float_dsp_mips.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:  Branimir Vasic (bvasic@mips.com)

  30.  * Author:  Zoran Lukic (zoranl@mips.com)

  31.  *

  32.  * This file is part of FFmpeg.

  33.  *

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

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

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

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

  38.  *

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

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

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

  42.  * Lesser General Public License for more details.

  43.  *

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

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

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

  47.  */

  48. 

  49. /**

  50.  * @file

  51.  * Reference: libavutil/float_dsp.c

  52.  */

  53. 

  54. #include "config.h"

  55. #include "libavutil/float_dsp.h"

  56. 

  57. #if HAVE_INLINE_ASM && HAVE_MIPSFPU

  58. static void vector_fmul_mips(float *dst, const float *src0, const float *src1,

  59.                              int len)

  60. {

  61.     int i;

  62. 

  63.     if (len & 3) {

  64.         for (i = 0; i < len; i++)

  65.             dst[i] = src0[i] * src1[i];

  66.     } else {

  67.         float *d     = (float *)dst;

  68.         float *d_end = d + len;

  69.         float *s0    = (float *)src0;

  70.         float *s1    = (float *)src1;

  71. 

  72.         float src0_0, src0_1, src0_2, src0_3;

  73.         float src1_0, src1_1, src1_2, src1_3;

  74. 

  75.         __asm__ volatile (

  76.             "1:                                         \n\t"

  77.             "lwc1   %[src0_0],  0(%[s0])                \n\t"

  78.             "lwc1   %[src1_0],  0(%[s1])                \n\t"

  79.             "lwc1   %[src0_1],  4(%[s0])                \n\t"

  80.             "lwc1   %[src1_1],  4(%[s1])                \n\t"

  81.             "lwc1   %[src0_2],  8(%[s0])                \n\t"

  82.             "lwc1   %[src1_2],  8(%[s1])                \n\t"

  83.             "lwc1   %[src0_3],  12(%[s0])               \n\t"

  84.             "lwc1   %[src1_3],  12(%[s1])               \n\t"

  85.             "mul.s  %[src0_0],  %[src0_0],  %[src1_0]   \n\t"

  86.             "mul.s  %[src0_1],  %[src0_1],  %[src1_1]   \n\t"

  87.             "mul.s  %[src0_2],  %[src0_2],  %[src1_2]   \n\t"

  88.             "mul.s  %[src0_3],  %[src0_3],  %[src1_3]   \n\t"

  89.             "swc1   %[src0_0],  0(%[d])                 \n\t"

  90.             "swc1   %[src0_1],  4(%[d])                 \n\t"

  91.             "swc1   %[src0_2],  8(%[d])                 \n\t"

  92.             "swc1   %[src0_3],  12(%[d])                \n\t"

  93.             "addiu  %[s0],      %[s0],      16          \n\t"

  94.             "addiu  %[s1],      %[s1],      16          \n\t"

  95.             "addiu  %[d],       %[d],       16          \n\t"

  96.             "bne    %[d],       %[d_end],   1b          \n\t"

  97. 

  98.             : [src0_0]"=&f"(src0_0), [src0_1]"=&f"(src0_1),

  99.               [src0_2]"=&f"(src0_2), [src0_3]"=&f"(src0_3),

  100.               [src1_0]"=&f"(src1_0), [src1_1]"=&f"(src1_1),

  101.               [src1_2]"=&f"(src1_2), [src1_3]"=&f"(src1_3),

  102.               [d]"+r"(d), [s0]"+r"(s0), [s1]"+r"(s1)

  103.             : [d_end]"r"(d_end)

  104.             : "memory"

  105.         );

  106.     }

  107. }

  108. 

  109. static void vector_fmul_scalar_mips(float *dst, const float *src, float mul,

  110.                                  int len)

  111. {

  112.     float temp0, temp1, temp2, temp3;

  113.     float *local_src = (float*)src;

  114.     float *end = local_src + len;

  115. 

  116.     /* loop unrolled 4 times */

  117.     __asm__ volatile(

  118.         ".set    push                             \n\t"

  119.         ".set    noreorder                        \n\t"

  120.     "1:                                           \n\t"

  121.         "lwc1    %[temp0],   0(%[src])            \n\t"

  122.         "lwc1    %[temp1],   4(%[src])            \n\t"

  123.         "lwc1    %[temp2],   8(%[src])            \n\t"

  124.         "lwc1    %[temp3],   12(%[src])           \n\t"

  125.         "addiu   %[dst],     %[dst],     16       \n\t"

  126.         "mul.s   %[temp0],   %[temp0],   %[mul]   \n\t"

  127.         "mul.s   %[temp1],   %[temp1],   %[mul]   \n\t"

  128.         "mul.s   %[temp2],   %[temp2],   %[mul]   \n\t"

  129.         "mul.s   %[temp3],   %[temp3],   %[mul]   \n\t"

  130.         "addiu   %[src],     %[src],     16       \n\t"

  131.         "swc1    %[temp0],   -16(%[dst])          \n\t"

  132.         "swc1    %[temp1],   -12(%[dst])          \n\t"

  133.         "swc1    %[temp2],   -8(%[dst])           \n\t"

  134.         "bne     %[src],     %[end],     1b       \n\t"

  135.         " swc1   %[temp3],   -4(%[dst])           \n\t"

  136.         ".set    pop                              \n\t"

  137. 

  138.         : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),

  139.           [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),

  140.           [dst]"+r"(dst), [src]"+r"(local_src)

  141.         : [end]"r"(end), [mul]"f"(mul)

  142.         : "memory"

  143.     );

  144. }

  145. 

  146. static void vector_fmul_window_mips(float *dst, const float *src0,

  147.         const float *src1, const float *win, int len)

  148. {

  149.     int i, j;

  150.     /*

  151.      * variables used in inline assembler

  152.      */

  153.     float * dst_i, * dst_j, * dst_i2, * dst_j2;

  154.     float temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7;

  155. 

  156.     dst  += len;

  157.     win  += len;

  158.     src0 += len;

  159. 

  160.     for (i = -len, j = len - 1; i < 0; i += 8, j -= 8) {

  161. 

  162.         dst_i = dst + i;

  163.         dst_j = dst + j;

  164. 

  165.         dst_i2 = dst + i + 4;

  166.         dst_j2 = dst + j - 4;

  167. 

  168.         __asm__ volatile (

  169.             "mul.s   %[temp],   %[s1],       %[wi]            \n\t"

  170.             "mul.s   %[temp1],  %[s1],       %[wj]            \n\t"

  171.             "mul.s   %[temp2],  %[s11],      %[wi1]           \n\t"

  172.             "mul.s   %[temp3],  %[s11],      %[wj1]           \n\t"

  173. 

  174.             "msub.s  %[temp],   %[temp],     %[s0],  %[wj]    \n\t"

  175.             "madd.s  %[temp1],  %[temp1],    %[s0],  %[wi]    \n\t"

  176.             "msub.s  %[temp2],  %[temp2],    %[s01], %[wj1]   \n\t"

  177.             "madd.s  %[temp3],  %[temp3],    %[s01], %[wi1]   \n\t"

  178. 

  179.             "swc1    %[temp],   0(%[dst_i])                   \n\t" /* dst[i] = s0*wj - s1*wi; */

  180.             "swc1    %[temp1],  0(%[dst_j])                   \n\t" /* dst[j] = s0*wi + s1*wj; */

  181.             "swc1    %[temp2],  4(%[dst_i])                   \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */

  182.             "swc1    %[temp3], -4(%[dst_j])                   \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */

  183. 

  184.             "mul.s   %[temp4],  %[s12],      %[wi2]           \n\t"

  185.             "mul.s   %[temp5],  %[s12],      %[wj2]           \n\t"

  186.             "mul.s   %[temp6],  %[s13],      %[wi3]           \n\t"

  187.             "mul.s   %[temp7],  %[s13],      %[wj3]           \n\t"

  188. 

  189.             "msub.s  %[temp4],  %[temp4],    %[s02], %[wj2]   \n\t"

  190.             "madd.s  %[temp5],  %[temp5],    %[s02], %[wi2]   \n\t"

  191.             "msub.s  %[temp6],  %[temp6],    %[s03], %[wj3]   \n\t"

  192.             "madd.s  %[temp7],  %[temp7],    %[s03], %[wi3]   \n\t"

  193. 

  194.             "swc1    %[temp4],  8(%[dst_i])                   \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */

  195.             "swc1    %[temp5], -8(%[dst_j])                   \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */

  196.             "swc1    %[temp6],  12(%[dst_i])                  \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */

  197.             "swc1    %[temp7], -12(%[dst_j])                  \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */

  198.             : [temp]"=&f"(temp),  [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),

  199.               [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),

  200.               [temp6]"=&f"(temp6), [temp7]"=&f"(temp7)

  201.             : [dst_j]"r"(dst_j),     [dst_i]"r" (dst_i),

  202.               [s0] "f"(src0[i]),     [wj] "f"(win[j]),     [s1] "f"(src1[j]),

  203.               [wi] "f"(win[i]),      [s01]"f"(src0[i + 1]),[wj1]"f"(win[j - 1]),

  204.               [s11]"f"(src1[j - 1]), [wi1]"f"(win[i + 1]), [s02]"f"(src0[i + 2]),

  205.               [wj2]"f"(win[j - 2]),  [s12]"f"(src1[j - 2]),[wi2]"f"(win[i + 2]),

  206.               [s03]"f"(src0[i + 3]), [wj3]"f"(win[j - 3]), [s13]"f"(src1[j - 3]),

  207.               [wi3]"f"(win[i + 3])

  208.             : "memory"

  209.         );

  210. 

  211.         __asm__ volatile (

  212.             "mul.s  %[temp],   %[s1],       %[wi]            \n\t"

  213.             "mul.s  %[temp1],  %[s1],       %[wj]            \n\t"

  214.             "mul.s  %[temp2],  %[s11],      %[wi1]           \n\t"

  215.             "mul.s  %[temp3],  %[s11],      %[wj1]           \n\t"

  216. 

  217.             "msub.s %[temp],   %[temp],     %[s0],  %[wj]    \n\t"

  218.             "madd.s %[temp1],  %[temp1],    %[s0],  %[wi]    \n\t"

  219.             "msub.s %[temp2],  %[temp2],    %[s01], %[wj1]   \n\t"

  220.             "madd.s %[temp3],  %[temp3],    %[s01], %[wi1]   \n\t"

  221. 

  222.             "swc1   %[temp],   0(%[dst_i2])                  \n\t" /* dst[i] = s0*wj - s1*wi; */

  223.             "swc1   %[temp1],  0(%[dst_j2])                  \n\t" /* dst[j] = s0*wi + s1*wj; */

  224.             "swc1   %[temp2],  4(%[dst_i2])                  \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */

  225.             "swc1   %[temp3], -4(%[dst_j2])                  \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */

  226. 

  227.             "mul.s  %[temp4],  %[s12],      %[wi2]           \n\t"

  228.             "mul.s  %[temp5],  %[s12],      %[wj2]           \n\t"

  229.             "mul.s  %[temp6],  %[s13],      %[wi3]           \n\t"

  230.             "mul.s  %[temp7],  %[s13],      %[wj3]           \n\t"

  231. 

  232.             "msub.s %[temp4],  %[temp4],    %[s02], %[wj2]   \n\t"

  233.             "madd.s %[temp5],  %[temp5],    %[s02], %[wi2]   \n\t"

  234.             "msub.s %[temp6],  %[temp6],    %[s03], %[wj3]   \n\t"

  235.             "madd.s %[temp7],  %[temp7],    %[s03], %[wi3]   \n\t"

  236. 

  237.             "swc1   %[temp4],  8(%[dst_i2])                  \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */

  238.             "swc1   %[temp5], -8(%[dst_j2])                  \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */

  239.             "swc1   %[temp6],  12(%[dst_i2])                 \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */

  240.             "swc1   %[temp7], -12(%[dst_j2])                 \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */

  241.             : [temp]"=&f"(temp),

  242.               [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),

  243.               [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6),

  244.               [temp7]  "=&f" (temp7)

  245.             : [dst_j2]"r"(dst_j2),   [dst_i2]"r"(dst_i2),

  246.               [s0] "f"(src0[i + 4]), [wj] "f"(win[j - 4]), [s1] "f"(src1[j - 4]),

  247.               [wi] "f"(win[i + 4]),  [s01]"f"(src0[i + 5]),[wj1]"f"(win[j - 5]),

  248.               [s11]"f"(src1[j - 5]), [wi1]"f"(win[i + 5]), [s02]"f"(src0[i + 6]),

  249.               [wj2]"f"(win[j - 6]),  [s12]"f"(src1[j - 6]),[wi2]"f"(win[i + 6]),

  250.               [s03]"f"(src0[i + 7]), [wj3]"f"(win[j - 7]), [s13]"f"(src1[j - 7]),

  251.               [wi3]"f"(win[i + 7])

  252.             : "memory"

  253.         );

  254.     }

  255. }

  256. 

  257. static void butterflies_float_mips(float *av_restrict v1, float *av_restrict v2,

  258.                                 int len)

  259. {

  260.     float temp0, temp1, temp2, temp3, temp4;

  261.     float temp5, temp6, temp7, temp8, temp9;

  262.     float temp10, temp11, temp12, temp13, temp14, temp15;

  263.     int pom;

  264.     pom = (len >> 2)-1;

  265. 

  266.     /* loop unrolled 4 times */

  267.     __asm__ volatile (

  268.         "lwc1     %[temp0],    0(%[v1])                 \n\t"

  269.         "lwc1     %[temp1],    4(%[v1])                 \n\t"

  270.         "lwc1     %[temp2],    8(%[v1])                 \n\t"

  271.         "lwc1     %[temp3],    12(%[v1])                \n\t"

  272.         "lwc1     %[temp4],    0(%[v2])                 \n\t"

  273.         "lwc1     %[temp5],    4(%[v2])                 \n\t"

  274.         "lwc1     %[temp6],    8(%[v2])                 \n\t"

  275.         "lwc1     %[temp7],    12(%[v2])                \n\t"

  276.         "beq      %[pom],      $zero,       2f          \n\t"

  277.     "1:                                                 \n\t"

  278.         "sub.s    %[temp8],    %[temp0],    %[temp4]    \n\t"

  279.         "add.s    %[temp9],    %[temp0],    %[temp4]    \n\t"

  280.         "sub.s    %[temp10],   %[temp1],    %[temp5]    \n\t"

  281.         "add.s    %[temp11],   %[temp1],    %[temp5]    \n\t"

  282.         "sub.s    %[temp12],   %[temp2],    %[temp6]    \n\t"

  283.         "add.s    %[temp13],   %[temp2],    %[temp6]    \n\t"

  284.         "sub.s    %[temp14],   %[temp3],    %[temp7]    \n\t"

  285.         "add.s    %[temp15],   %[temp3],    %[temp7]    \n\t"

  286.         "addiu    %[v1],       %[v1],       16          \n\t"

  287.         "addiu    %[v2],       %[v2],       16          \n\t"

  288.         "addiu    %[pom],      %[pom],      -1          \n\t"

  289.         "lwc1     %[temp0],    0(%[v1])                 \n\t"

  290.         "lwc1     %[temp1],    4(%[v1])                 \n\t"

  291.         "lwc1     %[temp2],    8(%[v1])                 \n\t"

  292.         "lwc1     %[temp3],    12(%[v1])                \n\t"

  293.         "lwc1     %[temp4],    0(%[v2])                 \n\t"

  294.         "lwc1     %[temp5],    4(%[v2])                 \n\t"

  295.         "lwc1     %[temp6],    8(%[v2])                 \n\t"

  296.         "lwc1     %[temp7],    12(%[v2])                \n\t"

  297.         "swc1     %[temp9],    -16(%[v1])               \n\t"

  298.         "swc1     %[temp8],    -16(%[v2])               \n\t"

  299.         "swc1     %[temp11],   -12(%[v1])               \n\t"

  300.         "swc1     %[temp10],   -12(%[v2])               \n\t"

  301.         "swc1     %[temp13],   -8(%[v1])                \n\t"

  302.         "swc1     %[temp12],   -8(%[v2])                \n\t"

  303.         "swc1     %[temp15],   -4(%[v1])                \n\t"

  304.         "swc1     %[temp14],   -4(%[v2])                \n\t"

  305.         "bgtz     %[pom],      1b                       \n\t"

  306.     "2:                                                 \n\t"

  307.         "sub.s    %[temp8],    %[temp0],    %[temp4]    \n\t"

  308.         "add.s    %[temp9],    %[temp0],    %[temp4]    \n\t"

  309.         "sub.s    %[temp10],   %[temp1],    %[temp5]    \n\t"

  310.         "add.s    %[temp11],   %[temp1],    %[temp5]    \n\t"

  311.         "sub.s    %[temp12],   %[temp2],    %[temp6]    \n\t"

  312.         "add.s    %[temp13],   %[temp2],    %[temp6]    \n\t"

  313.         "sub.s    %[temp14],   %[temp3],    %[temp7]    \n\t"

  314.         "add.s    %[temp15],   %[temp3],    %[temp7]    \n\t"

  315.         "swc1     %[temp9],    0(%[v1])                 \n\t"

  316.         "swc1     %[temp8],    0(%[v2])                 \n\t"

  317.         "swc1     %[temp11],   4(%[v1])                 \n\t"

  318.         "swc1     %[temp10],   4(%[v2])                 \n\t"

  319.         "swc1     %[temp13],   8(%[v1])                 \n\t"

  320.         "swc1     %[temp12],   8(%[v2])                 \n\t"

  321.         "swc1     %[temp15],   12(%[v1])                \n\t"

  322.         "swc1     %[temp14],   12(%[v2])                \n\t"

  323. 

  324.         : [v1]"+r"(v1), [v2]"+r"(v2), [pom]"+r"(pom), [temp0] "=&f" (temp0),

  325.           [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),

  326.           [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6),

  327.           [temp7]"=&f"(temp7), [temp8]"=&f"(temp8), [temp9]"=&f"(temp9),

  328.           [temp10]"=&f"(temp10), [temp11]"=&f"(temp11), [temp12]"=&f"(temp12),

  329.           [temp13]"=&f"(temp13), [temp14]"=&f"(temp14), [temp15]"=&f"(temp15)

  330.         :

  331.         : "memory"

  332.     );

  333. }

  334. 

  335. static void vector_fmul_reverse_mips(float *dst, const float *src0, const float *src1, int len){

  336.     int i;

  337.     float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;

  338.     src1 += len-1;

  339. 

  340.     for(i=0; i<(len>>2); i++)

  341.     {

  342.         /* loop unrolled 4 times */

  343.         __asm__ volatile(

  344.             "lwc1      %[temp0],     0(%[src0])                 \n\t"

  345.             "lwc1      %[temp1],     0(%[src1])                 \n\t"

  346.             "lwc1      %[temp2],     4(%[src0])                 \n\t"

  347.             "lwc1      %[temp3],     -4(%[src1])                \n\t"

  348.             "lwc1      %[temp4],     8(%[src0])                 \n\t"

  349.             "lwc1      %[temp5],     -8(%[src1])                \n\t"

  350.             "lwc1      %[temp6],     12(%[src0])                \n\t"

  351.             "lwc1      %[temp7],     -12(%[src1])               \n\t"

  352.             "mul.s     %[temp0],     %[temp1],     %[temp0]     \n\t"

  353.             "mul.s     %[temp2],     %[temp3],     %[temp2]     \n\t"

  354.             "mul.s     %[temp4],     %[temp5],     %[temp4]     \n\t"

  355.             "mul.s     %[temp6],     %[temp7],     %[temp6]     \n\t"

  356.             "addiu     %[src0],      %[src0],      16           \n\t"

  357.             "addiu     %[src1],      %[src1],      -16          \n\t"

  358.             "addiu     %[dst],       %[dst],       16           \n\t"

  359.             "swc1      %[temp0],     -16(%[dst])                \n\t"

  360.             "swc1      %[temp2],     -12(%[dst])                \n\t"

  361.             "swc1      %[temp4],     -8(%[dst])                 \n\t"

  362.             "swc1      %[temp6],     -4(%[dst])                 \n\t"

  363. 

  364.             : [dst]"+r"(dst), [src0]"+r"(src0), [src1]"+r"(src1),

  365.               [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),[temp2]"=&f"(temp2),

  366.               [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),

  367.               [temp6]"=&f"(temp6), [temp7]"=&f"(temp7)

  368.             :

  369.             : "memory"

  370.         );

  371.     }

  372. }

  373. #endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */

  374. 

  375. void ff_float_dsp_init_mips(AVFloatDSPContext *fdsp) {

  376. #if HAVE_INLINE_ASM && HAVE_MIPSFPU

  377.     fdsp->vector_fmul = vector_fmul_mips;

  378.     fdsp->vector_fmul_scalar  = vector_fmul_scalar_mips;

  379.     fdsp->vector_fmul_window = vector_fmul_window_mips;

  380.     fdsp->butterflies_float = butterflies_float_mips;

  381.     fdsp->vector_fmul_reverse = vector_fmul_reverse_mips;

  382. #endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */

  383. }