/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* 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.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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 FOUNDATION 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 "private/cpu.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
#include "private/lpc.h"
#ifdef FLAC__AVX2_SUPPORTED
#include "FLAC/assert.h"
#include "FLAC/format.h"
#include <immintrin.h> /* AVX2 */
FLAC__SSE_TARGET("avx2")
void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
{
int i;
FLAC__int32 sum;
__m128i cnt = _mm_cvtsi32_si128(lp_quantization);
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
if(order <= 12) {
if(order > 8) {
if(order > 10) {
if(order == 12) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]);
q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]);
q10 = _mm256_set1_epi32(0xffff & qlp_coeff[10]);
q11 = _mm256_set1_epi32(0xffff & qlp_coeff[11]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q11, _mm256_loadu_si256((const __m256i*)(data+i-12)));
mull = _mm256_madd_epi16(q10, _mm256_loadu_si256((const __m256i*)(data+i-11))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(data+i-10))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 11 */
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]);
q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]);
q10 = _mm256_set1_epi32(0xffff & qlp_coeff[10]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q10, _mm256_loadu_si256((const __m256i*)(data+i-11)));
mull = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(data+i-10))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
else {
if(order == 10) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]);
q9 = _mm256_set1_epi32(0xffff & qlp_coeff[9 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(data+i-10)));
mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 9 */
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
q8 = _mm256_set1_epi32(0xffff & qlp_coeff[8 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(data+i-9 )));
mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
}
else if(order > 4) {
if(order > 6) {
if(order == 8) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(0xffff & qlp_coeff[7 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(data+i-8 )));
mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 7 */
__m256i q0, q1, q2, q3, q4, q5, q6;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(0xffff & qlp_coeff[6 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(data+i-7 )));
mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
else {
if(order == 6) {
__m256i q0, q1, q2, q3, q4, q5;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(0xffff & qlp_coeff[5 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(data+i-6 )));
mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 5 */
__m256i q0, q1, q2, q3, q4;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(0xffff & qlp_coeff[4 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(data+i-5 )));
mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
}
else {
if(order > 2) {
if(order == 4) {
__m256i q0, q1, q2, q3;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(0xffff & qlp_coeff[3 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(data+i-4 )));
mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 3 */
__m256i q0, q1, q2;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(0xffff & qlp_coeff[2 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(data+i-3 )));
mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
else {
if(order == 2) {
__m256i q0, q1;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(0xffff & qlp_coeff[1 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(data+i-2 )));
mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 1 */
__m256i q0;
q0 = _mm256_set1_epi32(0xffff & qlp_coeff[0 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ;
summ = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(data+i-1 )));
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
}
for(; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 12: sum += qlp_coeff[11] * data[i-12];
case 11: sum += qlp_coeff[10] * data[i-11];
case 10: sum += qlp_coeff[ 9] * data[i-10];
case 9: sum += qlp_coeff[ 8] * data[i- 9];
case 8: sum += qlp_coeff[ 7] * data[i- 8];
case 7: sum += qlp_coeff[ 6] * data[i- 7];
case 6: sum += qlp_coeff[ 5] * data[i- 6];
case 5: sum += qlp_coeff[ 4] * data[i- 5];
case 4: sum += qlp_coeff[ 3] * data[i- 4];
case 3: sum += qlp_coeff[ 2] * data[i- 3];
case 2: sum += qlp_coeff[ 1] * data[i- 2];
case 1: sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
else { /* order > 12 */
for(i = 0; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 32: sum += qlp_coeff[31] * data[i-32];
case 31: sum += qlp_coeff[30] * data[i-31];
case 30: sum += qlp_coeff[29] * data[i-30];
case 29: sum += qlp_coeff[28] * data[i-29];
case 28: sum += qlp_coeff[27] * data[i-28];
case 27: sum += qlp_coeff[26] * data[i-27];
case 26: sum += qlp_coeff[25] * data[i-26];
case 25: sum += qlp_coeff[24] * data[i-25];
case 24: sum += qlp_coeff[23] * data[i-24];
case 23: sum += qlp_coeff[22] * data[i-23];
case 22: sum += qlp_coeff[21] * data[i-22];
case 21: sum += qlp_coeff[20] * data[i-21];
case 20: sum += qlp_coeff[19] * data[i-20];
case 19: sum += qlp_coeff[18] * data[i-19];
case 18: sum += qlp_coeff[17] * data[i-18];
case 17: sum += qlp_coeff[16] * data[i-17];
case 16: sum += qlp_coeff[15] * data[i-16];
case 15: sum += qlp_coeff[14] * data[i-15];
case 14: sum += qlp_coeff[13] * data[i-14];
case 13: sum += qlp_coeff[12] * data[i-13];
sum += qlp_coeff[11] * data[i-12];
sum += qlp_coeff[10] * data[i-11];
sum += qlp_coeff[ 9] * data[i-10];
sum += qlp_coeff[ 8] * data[i- 9];
sum += qlp_coeff[ 7] * data[i- 8];
sum += qlp_coeff[ 6] * data[i- 7];
sum += qlp_coeff[ 5] * data[i- 6];
sum += qlp_coeff[ 4] * data[i- 5];
sum += qlp_coeff[ 3] * data[i- 4];
sum += qlp_coeff[ 2] * data[i- 3];
sum += qlp_coeff[ 1] * data[i- 2];
sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
_mm256_zeroupper();
}
FLAC__SSE_TARGET("avx2")
void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
{
int i;
FLAC__int32 sum;
__m128i cnt = _mm_cvtsi32_si128(lp_quantization);
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
if(order <= 12) {
if(order > 8) {
if(order > 10) {
if(order == 12) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
q8 = _mm256_set1_epi32(qlp_coeff[8 ]);
q9 = _mm256_set1_epi32(qlp_coeff[9 ]);
q10 = _mm256_set1_epi32(qlp_coeff[10]);
q11 = _mm256_set1_epi32(qlp_coeff[11]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q11, _mm256_loadu_si256((const __m256i*)(data+i-12)));
mull = _mm256_mullo_epi32(q10, _mm256_loadu_si256((const __m256i*)(data+i-11))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(data+i-10))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(data+i-9))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 11 */
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
q8 = _mm256_set1_epi32(qlp_coeff[8 ]);
q9 = _mm256_set1_epi32(qlp_coeff[9 ]);
q10 = _mm256_set1_epi32(qlp_coeff[10]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q10, _mm256_loadu_si256((const __m256i*)(data+i-11)));
mull = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(data+i-10))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(data+i-9))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
else {
if(order == 10) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
q8 = _mm256_set1_epi32(qlp_coeff[8 ]);
q9 = _mm256_set1_epi32(qlp_coeff[9 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(data+i-10)));
mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(data+i-9))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 9 */
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
q8 = _mm256_set1_epi32(qlp_coeff[8 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(data+i-9)));
mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
}
else if(order > 4) {
if(order > 6) {
if(order == 8) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
q7 = _mm256_set1_epi32(qlp_coeff[7 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(data+i-8)));
mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 7 */
__m256i q0, q1, q2, q3, q4, q5, q6;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
q6 = _mm256_set1_epi32(qlp_coeff[6 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(data+i-7)));
mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
else {
if(order == 6) {
__m256i q0, q1, q2, q3, q4, q5;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
q5 = _mm256_set1_epi32(qlp_coeff[5 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(data+i-6)));
mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 5 */
__m256i q0, q1, q2, q3, q4;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
q4 = _mm256_set1_epi32(qlp_coeff[4 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(data+i-5)));
mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
}
else {
if(order > 2) {
if(order == 4) {
__m256i q0, q1, q2, q3;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
q3 = _mm256_set1_epi32(qlp_coeff[3 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(data+i-4)));
mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 3 */
__m256i q0, q1, q2;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
q2 = _mm256_set1_epi32(qlp_coeff[2 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(data+i-3)));
mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2))); summ = _mm256_add_epi32(summ, mull);
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
else {
if(order == 2) {
__m256i q0, q1;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
q1 = _mm256_set1_epi32(qlp_coeff[1 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ, mull;
summ = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(data+i-2)));
mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1))); summ = _mm256_add_epi32(summ, mull);
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
else { /* order == 1 */
__m256i q0;
q0 = _mm256_set1_epi32(qlp_coeff[0 ]);
for(i = 0; i < (int)data_len-7; i+=8) {
__m256i summ;
summ = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(data+i-1)));
summ = _mm256_sra_epi32(summ, cnt);
_mm256_storeu_si256((__m256i*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(data+i)), summ));
}
}
}
}
for(; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 12: sum += qlp_coeff[11] * data[i-12];
case 11: sum += qlp_coeff[10] * data[i-11];
case 10: sum += qlp_coeff[ 9] * data[i-10];
case 9: sum += qlp_coeff[ 8] * data[i- 9];
case 8: sum += qlp_coeff[ 7] * data[i- 8];
case 7: sum += qlp_coeff[ 6] * data[i- 7];
case 6: sum += qlp_coeff[ 5] * data[i- 6];
case 5: sum += qlp_coeff[ 4] * data[i- 5];
case 4: sum += qlp_coeff[ 3] * data[i- 4];
case 3: sum += qlp_coeff[ 2] * data[i- 3];
case 2: sum += qlp_coeff[ 1] * data[i- 2];
case 1: sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
else { /* order > 12 */
for(i = 0; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 32: sum += qlp_coeff[31] * data[i-32];
case 31: sum += qlp_coeff[30] * data[i-31];
case 30: sum += qlp_coeff[29] * data[i-30];
case 29: sum += qlp_coeff[28] * data[i-29];
case 28: sum += qlp_coeff[27] * data[i-28];
case 27: sum += qlp_coeff[26] * data[i-27];
case 26: sum += qlp_coeff[25] * data[i-26];
case 25: sum += qlp_coeff[24] * data[i-25];
case 24: sum += qlp_coeff[23] * data[i-24];
case 23: sum += qlp_coeff[22] * data[i-23];
case 22: sum += qlp_coeff[21] * data[i-22];
case 21: sum += qlp_coeff[20] * data[i-21];
case 20: sum += qlp_coeff[19] * data[i-20];
case 19: sum += qlp_coeff[18] * data[i-19];
case 18: sum += qlp_coeff[17] * data[i-18];
case 17: sum += qlp_coeff[16] * data[i-17];
case 16: sum += qlp_coeff[15] * data[i-16];
case 15: sum += qlp_coeff[14] * data[i-15];
case 14: sum += qlp_coeff[13] * data[i-14];
case 13: sum += qlp_coeff[12] * data[i-13];
sum += qlp_coeff[11] * data[i-12];
sum += qlp_coeff[10] * data[i-11];
sum += qlp_coeff[ 9] * data[i-10];
sum += qlp_coeff[ 8] * data[i- 9];
sum += qlp_coeff[ 7] * data[i- 8];
sum += qlp_coeff[ 6] * data[i- 7];
sum += qlp_coeff[ 5] * data[i- 6];
sum += qlp_coeff[ 4] * data[i- 5];
sum += qlp_coeff[ 3] * data[i- 4];
sum += qlp_coeff[ 2] * data[i- 3];
sum += qlp_coeff[ 1] * data[i- 2];
sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
_mm256_zeroupper();
}
static FLAC__int32 pack_arr[8] = { 0, 2, 4, 6, 1, 3, 5, 7 };
FLAC__SSE_TARGET("avx2")
void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_avx2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
{
int i;
FLAC__int64 sum;
__m128i cnt = _mm_cvtsi32_si128(lp_quantization);
__m256i pack = _mm256_loadu_si256((const __m256i *)pack_arr);
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
FLAC__ASSERT(lp_quantization <= 32); /* there's no _mm256_sra_epi64() so we have to use _mm256_srl_epi64() */
if(order <= 12) {
if(order > 8) {
if(order > 10) {
if(order == 12) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ]));
q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ]));
q10 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[10]));
q11 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[11]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q11, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-12))));
mull = _mm256_mul_epi32(q10, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-11)))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-10)))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
else { /* order == 11 */
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ]));
q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ]));
q10 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[10]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q10, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-11))));
mull = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-10)))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
}
else {
if(order == 10) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ]));
q9 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[9 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-10))));
mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
else { /* order == 9 */
__m256i q0, q1, q2, q3, q4, q5, q6, q7, q8;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
q8 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[8 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-9 ))));
mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
}
}
else if(order > 4) {
if(order > 6) {
if(order == 8) {
__m256i q0, q1, q2, q3, q4, q5, q6, q7;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
q7 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[7 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-8 ))));
mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
else { /* order == 7 */
__m256i q0, q1, q2, q3, q4, q5, q6;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
q6 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[6 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-7 ))));
mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
}
else {
if(order == 6) {
__m256i q0, q1, q2, q3, q4, q5;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
q5 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[5 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-6 ))));
mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
else { /* order == 5 */
__m256i q0, q1, q2, q3, q4;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
q4 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[4 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-5 ))));
mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
}
}
else {
if(order > 2) {
if(order == 4) {
__m256i q0, q1, q2, q3;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
q3 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[3 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-4 ))));
mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
else { /* order == 3 */
__m256i q0, q1, q2;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
q2 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[2 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-3 ))));
mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull);
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
}
else {
if(order == 2) {
__m256i q0, q1;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
q1 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[1 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ, mull;
summ = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-2 ))));
mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull);
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
else { /* order == 1 */
__m256i q0;
q0 = _mm256_cvtepu32_epi64(_mm_set1_epi32(qlp_coeff[0 ]));
for(i = 0; i < (int)data_len-3; i+=4) {
__m256i summ;
summ = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(data+i-1 ))));
summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), _mm256_castsi256_si128(summ)));
}
}
}
}
for(; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 12: sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
case 11: sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
case 10: sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
case 9: sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
case 8: sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
case 7: sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
case 6: sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
case 5: sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
case 4: sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
case 3: sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
case 2: sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
case 1: sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
}
residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
}
}
else { /* order > 12 */
for(i = 0; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32];
case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31];
case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30];
case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29];
case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28];
case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27];
case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26];
case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25];
case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24];
case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23];
case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22];
case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21];
case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20];
case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19];
case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18];
case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17];
case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16];
case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15];
case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14];
case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13];
sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
}
residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
}
}
_mm256_zeroupper();
}
#endif /* FLAC__AVX2_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */
#endif /* FLAC__INTEGER_ONLY_LIBRARY */