You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
3.0 KiB
96 lines
3.0 KiB
/* 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 <smmintrin.h> |
|
#include "celt_lpc.h" |
|
#include "stack_alloc.h" |
|
#include "mathops.h" |
|
#include "pitch.h" |
|
#include "x86cpu.h" |
|
|
|
#if defined(FIXED_POINT) |
|
|
|
void celt_fir_sse4_1(const opus_val16 *x, |
|
const opus_val16 *num, |
|
opus_val16 *y, |
|
int N, |
|
int ord, |
|
int arch) |
|
{ |
|
int i,j; |
|
VARDECL(opus_val16, rnum); |
|
|
|
__m128i vecNoA; |
|
opus_int32 noA ; |
|
SAVE_STACK; |
|
|
|
ALLOC(rnum, ord, opus_val16); |
|
for(i=0;i<ord;i++) |
|
rnum[i] = num[ord-i-1]; |
|
noA = EXTEND32(1) << SIG_SHIFT >> 1; |
|
vecNoA = _mm_set_epi32(noA, noA, noA, noA); |
|
|
|
for (i=0;i<N-3;i+=4) |
|
{ |
|
opus_val32 sums[4] = {0}; |
|
__m128i vecSum, vecX; |
|
#if defined(OPUS_CHECK_ASM) |
|
{ |
|
opus_val32 sums_c[4] = {0}; |
|
xcorr_kernel_c(rnum, x+i-ord, sums_c, ord); |
|
#endif |
|
xcorr_kernel(rnum, x+i-ord, sums, ord, arch); |
|
#if defined(OPUS_CHECK_ASM) |
|
celt_assert(memcmp(sums, sums_c, sizeof(sums)) == 0); |
|
} |
|
#endif |
|
vecSum = _mm_loadu_si128((__m128i *)(void*)sums); |
|
vecSum = _mm_add_epi32(vecSum, vecNoA); |
|
vecSum = _mm_srai_epi32(vecSum, SIG_SHIFT); |
|
vecX = OP_CVTEPI16_EPI32_M64(x + i); |
|
vecSum = _mm_add_epi32(vecSum, vecX); |
|
vecSum = _mm_packs_epi32(vecSum, vecSum); |
|
_mm_storel_epi64((__m128i *)(void *)(y + i), vecSum); |
|
} |
|
for (;i<N;i++) |
|
{ |
|
opus_val32 sum = 0; |
|
for (j=0;j<ord;j++) |
|
sum = MAC16_16(sum, rnum[j], x[i+j-ord]); |
|
y[i] = SATURATE16(ADD32(EXTEND32(x[i]), PSHR32(sum, SIG_SHIFT))); |
|
} |
|
|
|
RESTORE_STACK; |
|
} |
|
|
|
#endif
|
|
|