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Revision 1.10 - (view) (download)
1 : | edgomez | 1.4 | ;/**************************************************************************** |
2 : | Isibaar | 1.1 | ; * |
3 : | edgomez | 1.4 | ; * XVID MPEG-4 VIDEO CODEC |
4 : | ; * - SSE2 CBP computation - | ||
5 : | Isibaar | 1.1 | ; * |
6 : | edgomez | 1.4 | ; * Copyright (C) 2002 Daniel Smith <danielsmith@astroboymail.com> |
7 : | ; * 2002 Pascal Massimino <skal@planet-d.net> | ||
8 : | edgomez | 1.3 | ; * |
9 : | edgomez | 1.4 | ; * 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 : | edgomez | 1.3 | ; * |
14 : | edgomez | 1.4 | ; * 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 : | edgomez | 1.3 | ; * |
19 : | edgomez | 1.4 | ; * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 : | Isibaar | 1.1 | ; * |
23 : | Isibaar | 1.10 | ; * $Id: cbp_sse2.asm,v 1.9 2008/11/11 20:46:24 Isibaar Exp $ |
24 : | Isibaar | 1.1 | ; * |
25 : | edgomez | 1.4 | ; ***************************************************************************/ |
26 : | edgomez | 1.3 | |
27 : | edgomez | 1.4 | ;============================================================================= |
28 : | ; Macros | ||
29 : | ;============================================================================= | ||
30 : | Isibaar | 1.1 | |
31 : | Isibaar | 1.10 | %include "nasm.inc" |
32 : | Isibaar | 1.1 | |
33 : | Isibaar | 1.10 | %macro LOOP_SSE2 2 |
34 : | movdqa xmm0, [%2+(%1)*128] | ||
35 : | edgomez | 1.4 | pand xmm0, xmm7 |
36 : | Isibaar | 1.10 | movdqa xmm1, [%2+(%1)*128+16] |
37 : | edgomez | 1.4 | |
38 : | Isibaar | 1.10 | por xmm0, [%2+(%1)*128+32] |
39 : | por xmm1, [%2+(%1)*128+48] | ||
40 : | por xmm0, [%2+(%1)*128+64] | ||
41 : | por xmm1, [%2+(%1)*128+80] | ||
42 : | por xmm0, [%2+(%1)*128+96] | ||
43 : | por xmm1, [%2+(%1)*128+112] | ||
44 : | edgomez | 1.4 | |
45 : | por xmm0, xmm1 ; xmm0 = xmm1 = 128 bits worth of info | ||
46 : | psadbw xmm0, xmm6 ; contains 2 dwords with sums | ||
47 : | movhlps xmm1, xmm0 ; move high dword from xmm0 to low xmm1 | ||
48 : | por xmm0, xmm1 ; combine | ||
49 : | movd ecx, xmm0 ; if ecx set, values were found | ||
50 : | Isibaar | 1.10 | test _ECX, _ECX |
51 : | Isibaar | 1.1 | %endmacro |
52 : | |||
53 : | edgomez | 1.4 | ;============================================================================= |
54 : | ; Data (Read Only) | ||
55 : | ;============================================================================= | ||
56 : | |||
57 : | Isibaar | 1.10 | DATA |
58 : | edgomez | 1.4 | |
59 : | Isibaar | 1.10 | ALIGN SECTION_ALIGN |
60 : | edgomez | 1.4 | ignore_dc: |
61 : | dw 0, -1, -1, -1, -1, -1, -1, -1 | ||
62 : | |||
63 : | ;============================================================================= | ||
64 : | ; Code | ||
65 : | ;============================================================================= | ||
66 : | |||
67 : | Isibaar | 1.10 | SECTION .rotext align=SECTION_ALIGN |
68 : | edgomez | 1.4 | |
69 : | ;----------------------------------------------------------------------------- | ||
70 : | ; uint32_t calc_cbp_sse2(const int16_t coeff[6*64]); | ||
71 : | ;----------------------------------------------------------------------------- | ||
72 : | Isibaar | 1.1 | |
73 : | Isibaar | 1.10 | ALIGN SECTION_ALIGN |
74 : | edgomez | 1.4 | cglobal calc_cbp_sse2 |
75 : | Isibaar | 1.1 | calc_cbp_sse2: |
76 : | Isibaar | 1.10 | mov _EDX, prm1 ; coeff[] |
77 : | xor _EAX, _EAX ; cbp = 0 | ||
78 : | Isibaar | 1.1 | |
79 : | edgomez | 1.4 | movdqu xmm7, [ignore_dc] ; mask to ignore dc value |
80 : | pxor xmm6, xmm6 ; zero | ||
81 : | Isibaar | 1.1 | |
82 : | Isibaar | 1.10 | LOOP_SSE2 0, _EDX |
83 : | edgomez | 1.4 | jz .blk2 |
84 : | Isibaar | 1.10 | or _EAX, (1<<5) |
85 : | edgomez | 1.4 | |
86 : | Isibaar | 1.9 | .blk2: |
87 : | Isibaar | 1.10 | LOOP_SSE2 1, _EDX |
88 : | edgomez | 1.4 | jz .blk3 |
89 : | Isibaar | 1.10 | or _EAX, (1<<4) |
90 : | edgomez | 1.4 | |
91 : | Isibaar | 1.9 | .blk3: |
92 : | Isibaar | 1.10 | LOOP_SSE2 2, _EDX |
93 : | edgomez | 1.4 | jz .blk4 |
94 : | Isibaar | 1.10 | or _EAX, (1<<3) |
95 : | edgomez | 1.4 | |
96 : | Isibaar | 1.9 | .blk4: |
97 : | Isibaar | 1.10 | LOOP_SSE2 3, _EDX |
98 : | edgomez | 1.4 | jz .blk5 |
99 : | Isibaar | 1.10 | or _EAX, (1<<2) |
100 : | edgomez | 1.4 | |
101 : | Isibaar | 1.9 | .blk5: |
102 : | Isibaar | 1.10 | LOOP_SSE2 4, _EDX |
103 : | edgomez | 1.4 | jz .blk6 |
104 : | Isibaar | 1.10 | or _EAX, (1<<1) |
105 : | edgomez | 1.4 | |
106 : | Isibaar | 1.9 | .blk6: |
107 : | Isibaar | 1.10 | LOOP_SSE2 5, _EDX |
108 : | edgomez | 1.4 | jz .finished |
109 : | Isibaar | 1.10 | or _EAX, (1<<0) |
110 : | edgomez | 1.4 | |
111 : | Isibaar | 1.9 | .finished: |
112 : | edgomez | 1.4 | ret |
113 : | Isibaar | 1.9 | ENDFUNC |
114 : | edgomez | 1.7 | |
115 : | Isibaar | 1.8 | |
116 : | %ifidn __OUTPUT_FORMAT__,elf | ||
117 : | section ".note.GNU-stack" noalloc noexec nowrite progbits | ||
118 : | %endif | ||
119 : |
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