1;******************************************************************************
2;* SIMD-optimized halfpel functions for VP3
3;*
4;* This file is part of FFmpeg.
5;*
6;* FFmpeg is free software; you can redistribute it and/or
7;* modify it under the terms of the GNU Lesser General Public
8;* License as published by the Free Software Foundation; either
9;* version 2.1 of the License, or (at your option) any later version.
10;*
11;* FFmpeg is distributed in the hope that it will be useful,
12;* but WITHOUT ANY WARRANTY; without even the implied warranty of
13;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14;* Lesser General Public License for more details.
15;*
16;* You should have received a copy of the GNU Lesser General Public
17;* License along with FFmpeg; if not, write to the Free Software
18;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19;******************************************************************************
20
21%include "libavutil/x86/x86util.asm"
22
23SECTION .text
24
25; void ff_put_no_rnd_pixels8_x2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
26%macro PUT_NO_RND_PIXELS8_X2_EXACT 0
27cglobal put_no_rnd_pixels8_x2_exact, 4,5
28    lea          r4, [r2*3]
29    pcmpeqb      m6, m6
30.loop:
31    mova         m0, [r1]
32    mova         m2, [r1+r2]
33    mova         m1, [r1+1]
34    mova         m3, [r1+r2+1]
35    pxor         m0, m6
36    pxor         m2, m6
37    pxor         m1, m6
38    pxor         m3, m6
39    PAVGB        m0, m1
40    PAVGB        m2, m3
41    pxor         m0, m6
42    pxor         m2, m6
43    mova       [r0], m0
44    mova    [r0+r2], m2
45    mova         m0, [r1+r2*2]
46    mova         m1, [r1+r2*2+1]
47    mova         m2, [r1+r4]
48    mova         m3, [r1+r4+1]
49    pxor         m0, m6
50    pxor         m1, m6
51    pxor         m2, m6
52    pxor         m3, m6
53    PAVGB        m0, m1
54    PAVGB        m2, m3
55    pxor         m0, m6
56    pxor         m2, m6
57    mova  [r0+r2*2], m0
58    mova    [r0+r4], m2
59    lea          r1, [r1+r2*4]
60    lea          r0, [r0+r2*4]
61    sub         r3d, 4
62    jg .loop
63    REP_RET
64%endmacro
65
66INIT_MMX mmxext
67PUT_NO_RND_PIXELS8_X2_EXACT
68INIT_MMX 3dnow
69PUT_NO_RND_PIXELS8_X2_EXACT
70
71
72; void ff_put_no_rnd_pixels8_y2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
73%macro PUT_NO_RND_PIXELS8_Y2_EXACT 0
74cglobal put_no_rnd_pixels8_y2_exact, 4,5
75    lea          r4, [r2*3]
76    mova         m0, [r1]
77    pcmpeqb      m6, m6
78    add          r1, r2
79    pxor         m0, m6
80.loop:
81    mova         m1, [r1]
82    mova         m2, [r1+r2]
83    pxor         m1, m6
84    pxor         m2, m6
85    PAVGB        m0, m1
86    PAVGB        m1, m2
87    pxor         m0, m6
88    pxor         m1, m6
89    mova       [r0], m0
90    mova    [r0+r2], m1
91    mova         m1, [r1+r2*2]
92    mova         m0, [r1+r4]
93    pxor         m1, m6
94    pxor         m0, m6
95    PAVGB        m2, m1
96    PAVGB        m1, m0
97    pxor         m2, m6
98    pxor         m1, m6
99    mova  [r0+r2*2], m2
100    mova    [r0+r4], m1
101    lea          r1, [r1+r2*4]
102    lea          r0, [r0+r2*4]
103    sub         r3d, 4
104    jg .loop
105    REP_RET
106%endmacro
107
108INIT_MMX mmxext
109PUT_NO_RND_PIXELS8_Y2_EXACT
110INIT_MMX 3dnow
111PUT_NO_RND_PIXELS8_Y2_EXACT
112