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Diffstat (limited to 'lib/rbcodec/codecs/libspeex/misc_bfin.h')
-rw-r--r-- | lib/rbcodec/codecs/libspeex/misc_bfin.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libspeex/misc_bfin.h b/lib/rbcodec/codecs/libspeex/misc_bfin.h new file mode 100644 index 0000000000..77b082c057 --- /dev/null +++ b/lib/rbcodec/codecs/libspeex/misc_bfin.h | |||
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1 | /* Copyright (C) 2005 Analog Devices */ | ||
2 | /** | ||
3 | @file misc_bfin.h | ||
4 | @author Jean-Marc Valin | ||
5 | @brief Various compatibility routines for Speex (Blackfin version) | ||
6 | */ | ||
7 | /* | ||
8 | Redistribution and use in source and binary forms, with or without | ||
9 | modification, are permitted provided that the following conditions | ||
10 | are met: | ||
11 | |||
12 | - Redistributions of source code must retain the above copyright | ||
13 | notice, this list of conditions and the following disclaimer. | ||
14 | |||
15 | - Redistributions in binary form must reproduce the above copyright | ||
16 | notice, this list of conditions and the following disclaimer in the | ||
17 | documentation and/or other materials provided with the distribution. | ||
18 | |||
19 | - Neither the name of the Xiph.org Foundation nor the names of its | ||
20 | contributors may be used to endorse or promote products derived from | ||
21 | this software without specific prior written permission. | ||
22 | |||
23 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
24 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
25 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
26 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR | ||
27 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
28 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
29 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
30 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
31 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
32 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
33 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
34 | */ | ||
35 | |||
36 | #define OVERRIDE_SPEEX_MOVE | ||
37 | void *speex_move (void *dest, void *src, int n) | ||
38 | { | ||
39 | __asm__ __volatile__ | ||
40 | ( | ||
41 | "L0 = 0;\n\t" | ||
42 | "I0 = %0;\n\t" | ||
43 | "R0 = [I0++];\n\t" | ||
44 | "LOOP move%= LC0 = %2;\n\t" | ||
45 | "LOOP_BEGIN move%=;\n\t" | ||
46 | "[%1++] = R0 || R0 = [I0++];\n\t" | ||
47 | "LOOP_END move%=;\n\t" | ||
48 | "[%1++] = R0;\n\t" | ||
49 | : "=a" (src), "=a" (dest) | ||
50 | : "a" ((n>>2)-1), "0" (src), "1" (dest) | ||
51 | : "R0", "I0", "L0", "memory" | ||
52 | ); | ||
53 | return dest; | ||
54 | } | ||