diff options
Diffstat (limited to 'lib/rbcodec/codecs/libopus/silk/fixed/x86/vector_ops_FIX_sse4_1.c')
-rw-r--r-- | lib/rbcodec/codecs/libopus/silk/fixed/x86/vector_ops_FIX_sse4_1.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/silk/fixed/x86/vector_ops_FIX_sse4_1.c b/lib/rbcodec/codecs/libopus/silk/fixed/x86/vector_ops_FIX_sse4_1.c new file mode 100644 index 0000000000..c1e90564d0 --- /dev/null +++ b/lib/rbcodec/codecs/libopus/silk/fixed/x86/vector_ops_FIX_sse4_1.c | |||
@@ -0,0 +1,88 @@ | |||
1 | /* Copyright (c) 2014, Cisco Systems, INC | ||
2 | Written by XiangMingZhu WeiZhou MinPeng YanWang | ||
3 | |||
4 | Redistribution and use in source and binary forms, with or without | ||
5 | modification, are permitted provided that the following conditions | ||
6 | are met: | ||
7 | |||
8 | - Redistributions of source code must retain the above copyright | ||
9 | notice, this list of conditions and the following disclaimer. | ||
10 | |||
11 | - Redistributions in binary form must reproduce the above copyright | ||
12 | notice, this list of conditions and the following disclaimer in the | ||
13 | documentation and/or other materials provided with the distribution. | ||
14 | |||
15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
16 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
17 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
18 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | ||
19 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
20 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
21 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
22 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
23 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
24 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | */ | ||
27 | |||
28 | #ifdef HAVE_CONFIG_H | ||
29 | #include "config.h" | ||
30 | #endif | ||
31 | |||
32 | #include <xmmintrin.h> | ||
33 | #include <emmintrin.h> | ||
34 | #include <smmintrin.h> | ||
35 | #include "main.h" | ||
36 | |||
37 | #include "SigProc_FIX.h" | ||
38 | #include "pitch.h" | ||
39 | |||
40 | opus_int64 silk_inner_prod16_aligned_64_sse4_1( | ||
41 | const opus_int16 *inVec1, /* I input vector 1 */ | ||
42 | const opus_int16 *inVec2, /* I input vector 2 */ | ||
43 | const opus_int len /* I vector lengths */ | ||
44 | ) | ||
45 | { | ||
46 | opus_int i, dataSize8; | ||
47 | opus_int64 sum; | ||
48 | |||
49 | __m128i xmm_tempa; | ||
50 | __m128i inVec1_76543210, acc1; | ||
51 | __m128i inVec2_76543210, acc2; | ||
52 | |||
53 | sum = 0; | ||
54 | dataSize8 = len & ~7; | ||
55 | |||
56 | acc1 = _mm_setzero_si128(); | ||
57 | acc2 = _mm_setzero_si128(); | ||
58 | |||
59 | for( i = 0; i < dataSize8; i += 8 ) { | ||
60 | inVec1_76543210 = _mm_loadu_si128( (__m128i *)(&inVec1[i + 0] ) ); | ||
61 | inVec2_76543210 = _mm_loadu_si128( (__m128i *)(&inVec2[i + 0] ) ); | ||
62 | |||
63 | /* only when all 4 operands are -32768 (0x8000), this results in wrap around */ | ||
64 | inVec1_76543210 = _mm_madd_epi16( inVec1_76543210, inVec2_76543210 ); | ||
65 | |||
66 | xmm_tempa = _mm_cvtepi32_epi64( inVec1_76543210 ); | ||
67 | /* equal shift right 8 bytes */ | ||
68 | inVec1_76543210 = _mm_shuffle_epi32( inVec1_76543210, _MM_SHUFFLE( 0, 0, 3, 2 ) ); | ||
69 | inVec1_76543210 = _mm_cvtepi32_epi64( inVec1_76543210 ); | ||
70 | |||
71 | acc1 = _mm_add_epi64( acc1, xmm_tempa ); | ||
72 | acc2 = _mm_add_epi64( acc2, inVec1_76543210 ); | ||
73 | } | ||
74 | |||
75 | acc1 = _mm_add_epi64( acc1, acc2 ); | ||
76 | |||
77 | /* equal shift right 8 bytes */ | ||
78 | acc2 = _mm_shuffle_epi32( acc1, _MM_SHUFFLE( 0, 0, 3, 2 ) ); | ||
79 | acc1 = _mm_add_epi64( acc1, acc2 ); | ||
80 | |||
81 | _mm_storel_epi64( (__m128i *)&sum, acc1 ); | ||
82 | |||
83 | for( ; i < len; i++ ) { | ||
84 | sum = silk_SMLABB( sum, inVec1[ i ], inVec2[ i ] ); | ||
85 | } | ||
86 | |||
87 | return sum; | ||
88 | } | ||