diff options
Diffstat (limited to 'lib/rbcodec/codecs/libopus/celt/arm/kiss_fft_armv4.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/celt/arm/kiss_fft_armv4.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/celt/arm/kiss_fft_armv4.h b/lib/rbcodec/codecs/libopus/celt/arm/kiss_fft_armv4.h new file mode 100644 index 0000000000..e4faad6f2b --- /dev/null +++ b/lib/rbcodec/codecs/libopus/celt/arm/kiss_fft_armv4.h | |||
@@ -0,0 +1,121 @@ | |||
1 | /*Copyright (c) 2013, Xiph.Org Foundation and contributors. | ||
2 | |||
3 | All rights reserved. | ||
4 | |||
5 | Redistribution and use in source and binary forms, with or without | ||
6 | modification, are permitted provided that the following conditions are met: | ||
7 | |||
8 | * Redistributions of source code must retain the above copyright notice, | ||
9 | this list of conditions and the following disclaimer. | ||
10 | * Redistributions in binary form must reproduce the above copyright notice, | ||
11 | this list of conditions and the following disclaimer in the | ||
12 | documentation and/or other materials provided with the distribution. | ||
13 | |||
14 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
15 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
16 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
17 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
18 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
19 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
20 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
21 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
22 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
23 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
24 | POSSIBILITY OF SUCH DAMAGE.*/ | ||
25 | |||
26 | #ifndef KISS_FFT_ARMv4_H | ||
27 | #define KISS_FFT_ARMv4_H | ||
28 | |||
29 | #if !defined(KISS_FFT_GUTS_H) | ||
30 | #error "This file should only be included from _kiss_fft_guts.h" | ||
31 | #endif | ||
32 | |||
33 | #ifdef FIXED_POINT | ||
34 | |||
35 | #undef C_MUL | ||
36 | #define C_MUL(m,a,b) \ | ||
37 | do{ \ | ||
38 | int br__; \ | ||
39 | int bi__; \ | ||
40 | int tt__; \ | ||
41 | __asm__ __volatile__( \ | ||
42 | "#C_MUL\n\t" \ | ||
43 | "ldrsh %[br], [%[bp], #0]\n\t" \ | ||
44 | "ldm %[ap], {r0,r1}\n\t" \ | ||
45 | "ldrsh %[bi], [%[bp], #2]\n\t" \ | ||
46 | "smull %[tt], %[mi], r1, %[br]\n\t" \ | ||
47 | "smlal %[tt], %[mi], r0, %[bi]\n\t" \ | ||
48 | "rsb %[bi], %[bi], #0\n\t" \ | ||
49 | "smull %[br], %[mr], r0, %[br]\n\t" \ | ||
50 | "mov %[tt], %[tt], lsr #15\n\t" \ | ||
51 | "smlal %[br], %[mr], r1, %[bi]\n\t" \ | ||
52 | "orr %[mi], %[tt], %[mi], lsl #17\n\t" \ | ||
53 | "mov %[br], %[br], lsr #15\n\t" \ | ||
54 | "orr %[mr], %[br], %[mr], lsl #17\n\t" \ | ||
55 | : [mr]"=r"((m).r), [mi]"=r"((m).i), \ | ||
56 | [br]"=&r"(br__), [bi]"=r"(bi__), [tt]"=r"(tt__) \ | ||
57 | : [ap]"r"(&(a)), [bp]"r"(&(b)) \ | ||
58 | : "r0", "r1" \ | ||
59 | ); \ | ||
60 | } \ | ||
61 | while(0) | ||
62 | |||
63 | #undef C_MUL4 | ||
64 | #define C_MUL4(m,a,b) \ | ||
65 | do{ \ | ||
66 | int br__; \ | ||
67 | int bi__; \ | ||
68 | int tt__; \ | ||
69 | __asm__ __volatile__( \ | ||
70 | "#C_MUL4\n\t" \ | ||
71 | "ldrsh %[br], [%[bp], #0]\n\t" \ | ||
72 | "ldm %[ap], {r0,r1}\n\t" \ | ||
73 | "ldrsh %[bi], [%[bp], #2]\n\t" \ | ||
74 | "smull %[tt], %[mi], r1, %[br]\n\t" \ | ||
75 | "smlal %[tt], %[mi], r0, %[bi]\n\t" \ | ||
76 | "rsb %[bi], %[bi], #0\n\t" \ | ||
77 | "smull %[br], %[mr], r0, %[br]\n\t" \ | ||
78 | "mov %[tt], %[tt], lsr #17\n\t" \ | ||
79 | "smlal %[br], %[mr], r1, %[bi]\n\t" \ | ||
80 | "orr %[mi], %[tt], %[mi], lsl #15\n\t" \ | ||
81 | "mov %[br], %[br], lsr #17\n\t" \ | ||
82 | "orr %[mr], %[br], %[mr], lsl #15\n\t" \ | ||
83 | : [mr]"=r"((m).r), [mi]"=r"((m).i), \ | ||
84 | [br]"=&r"(br__), [bi]"=r"(bi__), [tt]"=r"(tt__) \ | ||
85 | : [ap]"r"(&(a)), [bp]"r"(&(b)) \ | ||
86 | : "r0", "r1" \ | ||
87 | ); \ | ||
88 | } \ | ||
89 | while(0) | ||
90 | |||
91 | #undef C_MULC | ||
92 | #define C_MULC(m,a,b) \ | ||
93 | do{ \ | ||
94 | int br__; \ | ||
95 | int bi__; \ | ||
96 | int tt__; \ | ||
97 | __asm__ __volatile__( \ | ||
98 | "#C_MULC\n\t" \ | ||
99 | "ldrsh %[br], [%[bp], #0]\n\t" \ | ||
100 | "ldm %[ap], {r0,r1}\n\t" \ | ||
101 | "ldrsh %[bi], [%[bp], #2]\n\t" \ | ||
102 | "smull %[tt], %[mr], r0, %[br]\n\t" \ | ||
103 | "smlal %[tt], %[mr], r1, %[bi]\n\t" \ | ||
104 | "rsb %[bi], %[bi], #0\n\t" \ | ||
105 | "smull %[br], %[mi], r1, %[br]\n\t" \ | ||
106 | "mov %[tt], %[tt], lsr #15\n\t" \ | ||
107 | "smlal %[br], %[mi], r0, %[bi]\n\t" \ | ||
108 | "orr %[mr], %[tt], %[mr], lsl #17\n\t" \ | ||
109 | "mov %[br], %[br], lsr #15\n\t" \ | ||
110 | "orr %[mi], %[br], %[mi], lsl #17\n\t" \ | ||
111 | : [mr]"=r"((m).r), [mi]"=r"((m).i), \ | ||
112 | [br]"=&r"(br__), [bi]"=r"(bi__), [tt]"=r"(tt__) \ | ||
113 | : [ap]"r"(&(a)), [bp]"r"(&(b)) \ | ||
114 | : "r0", "r1" \ | ||
115 | ); \ | ||
116 | } \ | ||
117 | while(0) | ||
118 | |||
119 | #endif /* FIXED_POINT */ | ||
120 | |||
121 | #endif /* KISS_FFT_ARMv4_H */ | ||