95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/* Copyright (c) 2014, Cisco Systems, INC
|
|
Written by XiangMingZhu WeiZhou MinPeng YanWang
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
- Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
- Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
|
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <xmmintrin.h>
|
|
#include <emmintrin.h>
|
|
|
|
#include "macros.h"
|
|
#include "celt_lpc.h"
|
|
#include "stack_alloc.h"
|
|
#include "mathops.h"
|
|
#include "pitch.h"
|
|
|
|
#if defined(OPUS_X86_MAY_HAVE_SSE2) && defined(FIXED_POINT)
|
|
opus_val32 celt_inner_prod_sse2(const opus_val16 *x, const opus_val16 *y,
|
|
int N)
|
|
{
|
|
opus_int i, dataSize16;
|
|
opus_int32 sum;
|
|
|
|
__m128i inVec1_76543210, inVec1_FEDCBA98, acc1;
|
|
__m128i inVec2_76543210, inVec2_FEDCBA98, acc2;
|
|
|
|
sum = 0;
|
|
dataSize16 = N & ~15;
|
|
|
|
acc1 = _mm_setzero_si128();
|
|
acc2 = _mm_setzero_si128();
|
|
|
|
for (i=0;i<dataSize16;i+=16)
|
|
{
|
|
inVec1_76543210 = _mm_loadu_si128((__m128i *)(&x[i + 0]));
|
|
inVec2_76543210 = _mm_loadu_si128((__m128i *)(&y[i + 0]));
|
|
|
|
inVec1_FEDCBA98 = _mm_loadu_si128((__m128i *)(&x[i + 8]));
|
|
inVec2_FEDCBA98 = _mm_loadu_si128((__m128i *)(&y[i + 8]));
|
|
|
|
inVec1_76543210 = _mm_madd_epi16(inVec1_76543210, inVec2_76543210);
|
|
inVec1_FEDCBA98 = _mm_madd_epi16(inVec1_FEDCBA98, inVec2_FEDCBA98);
|
|
|
|
acc1 = _mm_add_epi32(acc1, inVec1_76543210);
|
|
acc2 = _mm_add_epi32(acc2, inVec1_FEDCBA98);
|
|
}
|
|
|
|
acc1 = _mm_add_epi32( acc1, acc2 );
|
|
|
|
if (N - i >= 8)
|
|
{
|
|
inVec1_76543210 = _mm_loadu_si128((__m128i *)(&x[i + 0]));
|
|
inVec2_76543210 = _mm_loadu_si128((__m128i *)(&y[i + 0]));
|
|
|
|
inVec1_76543210 = _mm_madd_epi16(inVec1_76543210, inVec2_76543210);
|
|
|
|
acc1 = _mm_add_epi32(acc1, inVec1_76543210);
|
|
i += 8;
|
|
}
|
|
|
|
acc1 = _mm_add_epi32(acc1, _mm_unpackhi_epi64( acc1, acc1));
|
|
acc1 = _mm_add_epi32(acc1, _mm_shufflelo_epi16( acc1, 0x0E));
|
|
sum += _mm_cvtsi128_si32(acc1);
|
|
|
|
for (;i<N;i++) {
|
|
sum = silk_SMLABB(sum, x[i], y[i]);
|
|
}
|
|
|
|
return sum;
|
|
}
|
|
#endif
|