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FFmpeg/libavcodec/x86/hpeldsp_rnd_template.c

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  1. /*

  2.  * DSP utils mmx functions are compiled twice for rnd/no_rnd

  3.  * Copyright (c) 2000, 2001 Fabrice Bellard

  4.  * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>

  5.  *

  6.  * MMX optimization by Nick Kurshev <nickols_k@mail.ru>

  7.  * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>

  8.  * and improved by Zdenek Kabelac <kabi@users.sf.net>

  9.  *

  10.  * This file is part of Libav.

  11.  *

  12.  * Libav is free software; you can redistribute it and/or

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

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

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

  16.  *

  17.  * Libav is distributed in the hope that it will be useful,

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

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

  20.  * Lesser General Public License for more details.

  21.  *

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

  23.  * License along with Libav; if not, write to the Free Software

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

  25.  */

  26. 

  27. // put_pixels

  28. static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)

  29. {

  30.     MOVQ_BFE(mm6);

  31.     __asm__ volatile(

  32.         "lea    (%3, %3), %%"REG_a"     \n\t"

  33.         ".p2align 3                     \n\t"

  34.         "1:                             \n\t"

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

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

  37.         "movq   (%1, %3), %%mm2         \n\t"

  38.         "movq   1(%1, %3), %%mm3        \n\t"

  39.         PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)

  40.         "movq   %%mm4, (%2)             \n\t"

  41.         "movq   %%mm5, (%2, %3)         \n\t"

  42.         "add    %%"REG_a", %1           \n\t"

  43.         "add    %%"REG_a", %2           \n\t"

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

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

  46.         "movq   (%1, %3), %%mm2         \n\t"

  47.         "movq   1(%1, %3), %%mm3        \n\t"

  48.         PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)

  49.         "movq   %%mm4, (%2)             \n\t"

  50.         "movq   %%mm5, (%2, %3)         \n\t"

  51.         "add    %%"REG_a", %1           \n\t"

  52.         "add    %%"REG_a", %2           \n\t"

  53.         "subl   $4, %0                  \n\t"

  54.         "jnz    1b                      \n\t"

  55.         :"+g"(h), "+S"(pixels), "+D"(block)

  56.         :"r"((x86_reg)line_size)

  57.         :REG_a, "memory");

  58. }

  59. 

  60. static void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)

  61. {

  62.     MOVQ_BFE(mm6);

  63.     __asm__ volatile(

  64.         "lea        (%3, %3), %%"REG_a" \n\t"

  65.         ".p2align 3                     \n\t"

  66.         "1:                             \n\t"

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

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

  69.         "movq   (%1, %3), %%mm2         \n\t"

  70.         "movq   1(%1, %3), %%mm3        \n\t"

  71.         PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)

  72.         "movq   %%mm4, (%2)             \n\t"

  73.         "movq   %%mm5, (%2, %3)         \n\t"

  74.         "movq   8(%1), %%mm0            \n\t"

  75.         "movq   9(%1), %%mm1            \n\t"

  76.         "movq   8(%1, %3), %%mm2        \n\t"

  77.         "movq   9(%1, %3), %%mm3        \n\t"

  78.         PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)

  79.         "movq   %%mm4, 8(%2)            \n\t"

  80.         "movq   %%mm5, 8(%2, %3)        \n\t"

  81.         "add    %%"REG_a", %1           \n\t"

  82.         "add    %%"REG_a", %2           \n\t"

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

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

  85.         "movq   (%1, %3), %%mm2         \n\t"

  86.         "movq   1(%1, %3), %%mm3        \n\t"

  87.         PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)

  88.         "movq   %%mm4, (%2)             \n\t"

  89.         "movq   %%mm5, (%2, %3)         \n\t"

  90.         "movq   8(%1), %%mm0            \n\t"

  91.         "movq   9(%1), %%mm1            \n\t"

  92.         "movq   8(%1, %3), %%mm2        \n\t"

  93.         "movq   9(%1, %3), %%mm3        \n\t"

  94.         PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)

  95.         "movq   %%mm4, 8(%2)            \n\t"

  96.         "movq   %%mm5, 8(%2, %3)        \n\t"

  97.         "add    %%"REG_a", %1           \n\t"

  98.         "add    %%"REG_a", %2           \n\t"

  99.         "subl   $4, %0                  \n\t"

  100.         "jnz    1b                      \n\t"

  101.         :"+g"(h), "+S"(pixels), "+D"(block)

  102.         :"r"((x86_reg)line_size)

  103.         :REG_a, "memory");

  104. }

  105. 

  106. static void DEF(put, pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)

  107. {

  108.     MOVQ_BFE(mm6);

  109.     __asm__ volatile(

  110.         "lea (%3, %3), %%"REG_a"        \n\t"

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

  112.         ".p2align 3                     \n\t"

  113.         "1:                             \n\t"

  114.         "movq   (%1, %3), %%mm1         \n\t"

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

  116.         PAVGBP(%%mm1, %%mm0, %%mm4,   %%mm2, %%mm1, %%mm5)

  117.         "movq   %%mm4, (%2)             \n\t"

  118.         "movq   %%mm5, (%2, %3)         \n\t"

  119.         "add    %%"REG_a", %1           \n\t"

  120.         "add    %%"REG_a", %2           \n\t"

  121.         "movq   (%1, %3), %%mm1         \n\t"

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

  123.         PAVGBP(%%mm1, %%mm2, %%mm4,   %%mm0, %%mm1, %%mm5)

  124.         "movq   %%mm4, (%2)             \n\t"

  125.         "movq   %%mm5, (%2, %3)         \n\t"

  126.         "add    %%"REG_a", %1           \n\t"

  127.         "add    %%"REG_a", %2           \n\t"

  128.         "subl   $4, %0                  \n\t"

  129.         "jnz    1b                      \n\t"

  130.         :"+g"(h), "+S"(pixels), "+D"(block)

  131.         :"r"((x86_reg)line_size)

  132.         :REG_a, "memory");

  133. }

  134. 

  135. static void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)

  136. {

  137.     MOVQ_BFE(mm6);

  138.     JUMPALIGN();

  139.     do {

  140.         __asm__ volatile(

  141.             "movq  %1, %%mm0            \n\t"

  142.             "movq  1%1, %%mm1           \n\t"

  143.             "movq  %0, %%mm3            \n\t"

  144.             PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)

  145.             PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6)

  146.             "movq  %%mm0, %0            \n\t"

  147.             "movq  8%1, %%mm0           \n\t"

  148.             "movq  9%1, %%mm1           \n\t"

  149.             "movq  8%0, %%mm3           \n\t"

  150.             PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)

  151.             PAVGB_MMX(%%mm3, %%mm2, %%mm0, %%mm6)

  152.             "movq  %%mm0, 8%0           \n\t"

  153.             :"+m"(*block)

  154.             :"m"(*pixels)

  155.             :"memory");

  156.         pixels += line_size;

  157.         block += line_size;

  158.     } while (--h);

  159. }

  160. 

  161. static void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)

  162. {

  163.     MOVQ_BFE(mm6);

  164.     __asm__ volatile(

  165.         "lea    (%3, %3), %%"REG_a"     \n\t"

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

  167.         ".p2align 3                     \n\t"

  168.         "1:                             \n\t"

  169.         "movq   (%1, %3), %%mm1         \n\t"

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

  171.         PAVGBP(%%mm1, %%mm0, %%mm4,   %%mm2, %%mm1, %%mm5)

  172.         "movq   (%2), %%mm3             \n\t"

  173.         PAVGB_MMX(%%mm3, %%mm4, %%mm0, %%mm6)

  174.         "movq   (%2, %3), %%mm3         \n\t"

  175.         PAVGB_MMX(%%mm3, %%mm5, %%mm1, %%mm6)

  176.         "movq   %%mm0, (%2)             \n\t"

  177.         "movq   %%mm1, (%2, %3)         \n\t"

  178.         "add    %%"REG_a", %1           \n\t"

  179.         "add    %%"REG_a", %2           \n\t"

  180. 

  181.         "movq   (%1, %3), %%mm1         \n\t"

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

  183.         PAVGBP(%%mm1, %%mm2, %%mm4,   %%mm0, %%mm1, %%mm5)

  184.         "movq   (%2), %%mm3             \n\t"

  185.         PAVGB_MMX(%%mm3, %%mm4, %%mm2, %%mm6)

  186.         "movq   (%2, %3), %%mm3         \n\t"

  187.         PAVGB_MMX(%%mm3, %%mm5, %%mm1, %%mm6)

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

  189.         "movq   %%mm1, (%2, %3)         \n\t"

  190.         "add    %%"REG_a", %1           \n\t"

  191.         "add    %%"REG_a", %2           \n\t"

  192. 

  193.         "subl   $4, %0                  \n\t"

  194.         "jnz    1b                      \n\t"

  195.         :"+g"(h), "+S"(pixels), "+D"(block)

  196.         :"r"((x86_reg)line_size)

  197.         :REG_a, "memory");

  198. }