diff options
Diffstat (limited to 'apps/codecs/libmusepack/synth_filter_coldfire.S')
-rw-r--r-- | apps/codecs/libmusepack/synth_filter_coldfire.S | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/apps/codecs/libmusepack/synth_filter_coldfire.S b/apps/codecs/libmusepack/synth_filter_coldfire.S new file mode 100644 index 0000000000..758ab3d496 --- /dev/null +++ b/apps/codecs/libmusepack/synth_filter_coldfire.S | |||
@@ -0,0 +1,78 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2005 by Thom Johansen | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #include "config.h" | ||
23 | /* | ||
24 | * static void | ||
25 | * mpc_decoder_windowing_D(MPC_SAMPLE_FORMAT * Data, | ||
26 | * const MPC_SAMPLE_FORMAT * V, | ||
27 | * const MPC_SAMPLE_FORMAT * D) | ||
28 | */ | ||
29 | |||
30 | #if defined(USE_IRAM) | ||
31 | .section .icode | ||
32 | #else | ||
33 | .text | ||
34 | #endif | ||
35 | .align 2 | ||
36 | .global mpc_decoder_windowing_D | ||
37 | .type mpc_decoder_windowing_D, @function | ||
38 | |||
39 | mpc_decoder_windowing_D: | ||
40 | lea.l (-9*4, %sp), %sp | ||
41 | movem.l %d2-%d7/%a2-%a4, (%sp) | save some registers | ||
42 | movem.l (9*4+4, %sp), %a0-%a2 | a0 = Data, a1 = V, a2 = D | ||
43 | moveq.l #32, %d0 | loop counter | ||
44 | |||
45 | move.l (%a1), %a4 | ||
46 | 0: | loop | ||
47 | movem.l (%a2), %d1-%d7/%a3 | ||
48 | |||
49 | mac.l %d1, %a4, ( 96*4, %a1), %a4, %acc0 | ||
50 | mac.l %d2, %a4, (128*4, %a1), %a4, %acc0 | ||
51 | mac.l %d3, %a4, (224*4, %a1), %a4, %acc0 | ||
52 | mac.l %d4, %a4, (256*4, %a1), %a4, %acc0 | ||
53 | mac.l %d5, %a4, (352*4, %a1), %a4, %acc0 | ||
54 | mac.l %d6, %a4, (384*4, %a1), %a4, %acc0 | ||
55 | mac.l %d7, %a4, (480*4, %a1), %a4, %acc0 | ||
56 | mac.l %a3, %a4, (512*4, %a1), %a4, %acc0 | ||
57 | movem.l (8*4, %a2), %d1-%d7/%a3 | ||
58 | mac.l %d1, %a4, (608*4, %a1), %a4, %acc0 | ||
59 | mac.l %d2, %a4, (640*4, %a1), %a4, %acc0 | ||
60 | mac.l %d3, %a4, (736*4, %a1), %a4, %acc0 | ||
61 | mac.l %d4, %a4, (768*4, %a1), %a4, %acc0 | ||
62 | mac.l %d5, %a4, (864*4, %a1), %a4, %acc0 | ||
63 | mac.l %d6, %a4, (896*4, %a1), %a4, %acc0 | ||
64 | mac.l %d7, %a4, (992*4, %a1), %a4, %acc0 | ||
65 | mac.l %a3, %a4, ( 4, %a1), %a4, %acc0 | ||
66 | |||
67 | lea.l (16*4, %a2), %a2 | ||
68 | addq.l #4, %a1 | ||
69 | movclr.l %acc0, %d1 | ||
70 | lsl.l #1, %d1 | ||
71 | move.l %d1, (%a0)+ | ||
72 | subq.l #1, %d0 | ||
73 | bne 0b | ||
74 | |||
75 | movem.l (%sp), %d2-%d7/%a2-%a4 | restore stacked regs | ||
76 | lea.l (9*4, %sp), %sp | ||
77 | rts | ||
78 | |||