/
equalizer_3dnow.S
70 lines (58 loc) · 1.34 KB
/
equalizer_3dnow.S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
/*
equalizer_3dnow: 3DNow! optimized do_equalizer()
copyright ?-2006 by the mpg123 project - free software under the terms of the LGPL 2.1
see COPYING and AUTHORS files in distribution or http://mpg123.org
initially written by KIMURA Takuhiro
*/
#include "mangle.h"
.text
ALIGN4
.globl ASM_NAME(do_equalizer_3dnow)
/* .type ASM_NAME(do_equalizer_3dnow),@function */
/* void do_equalizer(real *bandPtr,int channel, real equalizer[2][32]); */
ASM_NAME(do_equalizer_3dnow):
pushl %esi
pushl %ebx
/* bandPtr */
movl 12(%esp),%ebx
/* channel */
movl 16(%esp),%ecx
xorl %edx,%edx
/* equalizer */
movl 20(%esp),%esi
sall $7,%ecx
ALIGN4
.L9:
movq (%ebx,%edx),%mm0
pfmul (%esi,%ecx),%mm0
movq 8(%ebx,%edx),%mm1
pfmul 8(%esi,%ecx),%mm1
movq %mm0,(%ebx,%edx)
movq 16(%ebx,%edx),%mm0
pfmul 16(%esi,%ecx),%mm0
movq %mm1,8(%ebx,%edx)
movq 24(%ebx,%edx),%mm1
pfmul 24(%esi,%ecx),%mm1
movq %mm0,16(%ebx,%edx)
movq 32(%ebx,%edx),%mm0
pfmul 32(%esi,%ecx),%mm0
movq %mm1,24(%ebx,%edx)
movq 40(%ebx,%edx),%mm1
pfmul 40(%esi,%ecx),%mm1
movq %mm0,32(%ebx,%edx)
movq 48(%ebx,%edx),%mm0
pfmul 48(%esi,%ecx),%mm0
movq %mm1,40(%ebx,%edx)
movq 56(%ebx,%edx),%mm1
pfmul 56(%esi,%ecx),%mm1
movq %mm0,48(%ebx,%edx)
movq %mm1,56(%ebx,%edx)
addl $64,%edx
addl $32,%ecx
cmpl $124,%edx
jle .L9
ALIGN4
popl %ebx
popl %esi
ret
NONEXEC_STACK