1;*****************************************************************************
2;* const-a.asm: x86 global constants
3;*****************************************************************************
4;* Copyright (C) 2010-2021 x264 project
5;*
6;* Authors: Loren Merritt <lorenm@u.washington.edu>
7;*          Fiona Glaser <fiona@x264.com>
8;*
9;* This program is free software; you can redistribute it and/or modify
10;* it under the terms of the GNU General Public License as published by
11;* the Free Software Foundation; either version 2 of the License, or
12;* (at your option) any later version.
13;*
14;* This program is distributed in the hope that it will be useful,
15;* but WITHOUT ANY WARRANTY; without even the implied warranty of
16;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17;* GNU General Public License for more details.
18;*
19;* You should have received a copy of the GNU General Public License
20;* along with this program; if not, write to the Free Software
21;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
22;*
23;* This program is also available under a commercial proprietary license.
24;* For more information, contact us at licensing@x264.com.
25;*****************************************************************************
26
27%include "x86inc.asm"
28
29SECTION_RODATA 32
30
31const pb_1,        times 32 db 1
32const hsub_mul,    times 16 db 1, -1
33const pw_1,        times 16 dw 1
34const pw_16,       times 16 dw 16
35const pw_32,       times 16 dw 32
36const pw_512,      times 16 dw 512
37const pw_00ff,     times 16 dw 0x00ff
38const pw_pixel_max,times 16 dw ((1 << BIT_DEPTH)-1)
39const pw_0to15,    dw 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
40const pd_1,        times 8 dd 1
41const pd_0123,     dd 0,1,2,3
42const pd_4567,     dd 4,5,6,7
43const deinterleave_shufd, dd 0,4,1,5,2,6,3,7
44const pb_unpackbd1, times 2 db 0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3
45const pb_unpackbd2, times 2 db 4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7
46
47const pb_01,       times  8 db 0,1
48const pb_0,        times 16 db 0
49const pb_a1,       times 16 db 0xa1
50const pb_3,        times 16 db 3
51const pb_shuf8x8c, db 0,0,0,0,2,2,2,2,4,4,4,4,6,6,6,6
52
53const pw_2,        times 8 dw 2
54const pw_m2,       times 8 dw -2
55const pw_4,        times 8 dw 4
56const pw_8,        times 8 dw 8
57const pw_64,       times 8 dw 64
58const pw_256,      times 8 dw 256
59const pw_32_0,     times 4 dw 32
60                   times 4 dw 0
61const pw_8000,     times 8 dw 0x8000
62const pw_3fff,     times 8 dw 0x3fff
63const pw_ppppmmmm, dw 1,1,1,1,-1,-1,-1,-1
64const pw_ppmmppmm, dw 1,1,-1,-1,1,1,-1,-1
65const pw_pmpmpmpm, dw 1,-1,1,-1,1,-1,1,-1
66const pw_pmmpzzzz, dw 1,-1,-1,1,0,0,0,0
67
68const pd_8,        times 4 dd 8
69const pd_32,       times 4 dd 32
70const pd_1024,     times 4 dd 1024
71const pd_ffff,     times 4 dd 0xffff
72const pw_ff00,     times 8 dw 0xff00
73
74const popcnt_table
75%assign x 0
76%rep 256
77; population count
78db ((x>>0)&1)+((x>>1)&1)+((x>>2)&1)+((x>>3)&1)+((x>>4)&1)+((x>>5)&1)+((x>>6)&1)+((x>>7)&1)
79%assign x x+1
80%endrep
81
82const sw_64,       dd 64
83