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Rev | Author | Line No. | Line |
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6147 | serge | 1 | ;***************************************************************************** |
2 | ;* SIMD-optimized pixel operations |
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3 | ;***************************************************************************** |
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4 | ;* Copyright (c) 2000, 2001 Fabrice Bellard |
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5 | ;* Copyright (c) 2002-2004 Michael Niedermayer |
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6 | ;* |
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7 | ;* This file is part of FFmpeg. |
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8 | ;* |
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9 | ;* FFmpeg is free software; you can redistribute it and/or |
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10 | ;* modify it under the terms of the GNU Lesser General Public |
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11 | ;* License as published by the Free Software Foundation; either |
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12 | ;* version 2.1 of the License, or (at your option) any later version. |
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13 | ;* |
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14 | ;* FFmpeg is distributed in the hope that it will be useful, |
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15 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | ;* Lesser General Public License for more details. |
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18 | ;* |
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19 | ;* You should have received a copy of the GNU Lesser General Public |
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20 | ;* License along with FFmpeg; if not, write to the Free Software |
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21 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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22 | ;***************************************************************************** |
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23 | |||
24 | %include "libavutil/x86/x86util.asm" |
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25 | |||
26 | SECTION .text |
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27 | |||
28 | INIT_MMX mmx |
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29 | ; void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size) |
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30 | cglobal get_pixels, 3,4 |
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31 | add r0, 128 |
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32 | mov r3, -128 |
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33 | pxor m7, m7 |
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34 | .loop: |
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35 | mova m0, [r1] |
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36 | mova m2, [r1+r2] |
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37 | mova m1, m0 |
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38 | mova m3, m2 |
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39 | punpcklbw m0, m7 |
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40 | punpckhbw m1, m7 |
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41 | punpcklbw m2, m7 |
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42 | punpckhbw m3, m7 |
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43 | mova [r0+r3+ 0], m0 |
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44 | mova [r0+r3+ 8], m1 |
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45 | mova [r0+r3+16], m2 |
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46 | mova [r0+r3+24], m3 |
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47 | lea r1, [r1+r2*2] |
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48 | add r3, 32 |
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49 | js .loop |
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50 | REP_RET |
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51 | |||
52 | INIT_XMM sse2 |
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53 | cglobal get_pixels, 3, 4, 5 |
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54 | lea r3, [r2*3] |
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55 | pxor m4, m4 |
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56 | movh m0, [r1] |
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57 | movh m1, [r1+r2] |
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58 | movh m2, [r1+r2*2] |
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59 | movh m3, [r1+r3] |
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60 | lea r1, [r1+r2*4] |
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61 | punpcklbw m0, m4 |
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62 | punpcklbw m1, m4 |
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63 | punpcklbw m2, m4 |
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64 | punpcklbw m3, m4 |
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65 | mova [r0], m0 |
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66 | mova [r0+0x10], m1 |
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67 | mova [r0+0x20], m2 |
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68 | mova [r0+0x30], m3 |
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69 | movh m0, [r1] |
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70 | movh m1, [r1+r2*1] |
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71 | movh m2, [r1+r2*2] |
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72 | movh m3, [r1+r3] |
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73 | punpcklbw m0, m4 |
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74 | punpcklbw m1, m4 |
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75 | punpcklbw m2, m4 |
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76 | punpcklbw m3, m4 |
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77 | mova [r0+0x40], m0 |
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78 | mova [r0+0x50], m1 |
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79 | mova [r0+0x60], m2 |
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80 | mova [r0+0x70], m3 |
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81 | RET |
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82 | |||
83 | INIT_MMX mmx |
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84 | ; void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, |
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85 | ; int stride); |
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86 | cglobal diff_pixels, 4,5 |
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87 | movsxdifnidn r3, r3d |
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88 | pxor m7, m7 |
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89 | add r0, 128 |
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90 | mov r4, -128 |
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91 | .loop: |
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92 | mova m0, [r1] |
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93 | mova m2, [r2] |
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94 | mova m1, m0 |
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95 | mova m3, m2 |
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96 | punpcklbw m0, m7 |
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97 | punpckhbw m1, m7 |
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98 | punpcklbw m2, m7 |
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99 | punpckhbw m3, m7 |
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100 | psubw m0, m2 |
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101 | psubw m1, m3 |
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102 | mova [r0+r4+0], m0 |
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103 | mova [r0+r4+8], m1 |
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104 | add r1, r3 |
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105 | add r2, r3 |
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106 | add r4, 16 |
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107 | jne .loop |
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108 | REP_RET |
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109 | |||
110 | INIT_XMM sse2 |
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111 | cglobal diff_pixels, 4, 5, 5 |
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112 | movsxdifnidn r3, r3d |
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113 | pxor m4, m4 |
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114 | add r0, 128 |
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115 | mov r4, -128 |
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116 | .loop: |
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117 | movh m0, [r1] |
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118 | movh m2, [r2] |
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119 | movh m1, [r1+r3] |
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120 | movh m3, [r2+r3] |
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121 | punpcklbw m0, m4 |
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122 | punpcklbw m1, m4 |
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123 | punpcklbw m2, m4 |
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124 | punpcklbw m3, m4 |
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125 | psubw m0, m2 |
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126 | psubw m1, m3 |
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127 | mova [r0+r4+0 ], m0 |
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128 | mova [r0+r4+16], m1 |
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129 | lea r1, [r1+r3*2] |
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130 | lea r2, [r2+r3*2] |
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131 | add r4, 32 |
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132 | jne .loop |
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133 | RET |