/* 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__SSE2_SUPPORTED
#include "FLAC/assert.h"
#include "FLAC/format.h"
#include <emmintrin.h> /* SSE2 */
#define RESIDUAL16_RESULT(xmmN) curr = *data++; *residual++ = curr - (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
#define DATA16_RESULT(xmmN) curr = *residual++ + (_mm_cvtsi128_si32(xmmN) >> lp_quantization); *data++ = curr;
#define RESIDUAL32_RESULT(xmmN) residual[i] = data[i] - (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
#define DATA32_RESULT(xmmN) data[i] = residual[i] + (_mm_cvtsi128_si32(xmmN) >> lp_quantization);
FLAC__SSE_TARGET("sse2")
void FLAC__lpc_compute_residual_from_qlp_coefficients_16_intrin_sse2(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) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
q10 = _mm_cvtsi32_si128(0xffff & qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
q11 = _mm_cvtsi32_si128(0xffff & qlp_coeff[11]); q11 = _mm_shuffle_epi32(q11, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q11, _mm_loadu_si128((const __m128i*)(data+i-12)));
mull = _mm_madd_epi16(q10, _mm_loadu_si128((const __m128i*)(data+i-11))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 11 */
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
q10 = _mm_cvtsi32_si128(0xffff & qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q10, _mm_loadu_si128((const __m128i*)(data+i-11)));
mull = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 10) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(0xffff & qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q9, _mm_loadu_si128((const __m128i*)(data+i-10)));
mull = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 9 */
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(0xffff & qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q8, _mm_loadu_si128((const __m128i*)(data+i-9)));
mull = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
}
else if(order > 4) {
if(order > 6) {
if(order == 8) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(0xffff & qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q7, _mm_loadu_si128((const __m128i*)(data+i-8)));
mull = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 7 */
__m128i q0, q1, q2, q3, q4, q5, q6;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(0xffff & qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q6, _mm_loadu_si128((const __m128i*)(data+i-7)));
mull = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 6) {
__m128i q0, q1, q2, q3, q4, q5;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(0xffff & qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q5, _mm_loadu_si128((const __m128i*)(data+i-6)));
mull = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 5 */
__m128i q0, q1, q2, q3, q4;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(0xffff & qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q4, _mm_loadu_si128((const __m128i*)(data+i-5)));
mull = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
}
else {
if(order > 2) {
if(order == 4) {
__m128i q0, q1, q2, q3;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(0xffff & qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q3, _mm_loadu_si128((const __m128i*)(data+i-4)));
mull = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 3 */
__m128i q0, q1, q2;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(0xffff & qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q2, _mm_loadu_si128((const __m128i*)(data+i-3)));
mull = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 2) {
__m128i q0, q1;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(0xffff & qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_madd_epi16(q1, _mm_loadu_si128((const __m128i*)(data+i-2)));
mull = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 1 */
__m128i q0;
q0 = _mm_cvtsi32_si128(0xffff & qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ;
summ = _mm_madd_epi16(q0, _mm_loadu_si128((const __m128i*)(data+i-1)));
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(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);
}
}
}
FLAC__SSE_TARGET("sse2")
void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse2(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
{
int i;
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
if(order <= 12) {
if(order > 8) { /* order == 9, 10, 11, 12 */
if(order > 10) { /* order == 11, 12 */
if(order == 12) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0)); // 0 0 q[1] q[0]
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2)); // 0 0 q[3] q[2]
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4)); // 0 0 q[5] q[4]
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6)); // 0 0 q[7] q[6]
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8)); // 0 0 q[9] q[8]
xmm5 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+10)); // 0 0 q[11] q[10]
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0]
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2]
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4]
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6]
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8]
xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10]
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[11] * data[i-12];
//sum += qlp_coeff[10] * data[i-11];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-12)); // 0 0 d[i-11] d[i-12]
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11]
xmm7 = _mm_mul_epu32(xmm7, xmm5); /* we use _unsigned_ multiplication and discard high dword of the result values */
//sum += qlp_coeff[9] * data[i-10];
//sum += qlp_coeff[8] * data[i-9];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm4);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm3);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 11 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[10] * data[i-11];
xmm7 = _mm_cvtsi32_si128(data[i-11]);
xmm7 = _mm_mul_epu32(xmm7, xmm5);
//sum += qlp_coeff[9] * data[i-10];
//sum += qlp_coeff[8] * data[i-9];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm4);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm3);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
else { /* order == 9, 10 */
if(order == 10) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[9] * data[i-10];
//sum += qlp_coeff[8] * data[i-9];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm4);
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm3);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 9 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[8] * data[i-9];
xmm7 = _mm_cvtsi32_si128(data[i-9]);
xmm7 = _mm_mul_epu32(xmm7, xmm4);
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm3);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
}
else if(order > 4) { /* order == 5, 6, 7, 8 */
if(order > 6) { /* order == 7, 8 */
if(order == 8) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[7] * data[i-8];
//sum += qlp_coeff[6] * data[i-7];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm3);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 7 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[6] * data[i-7];
xmm7 = _mm_cvtsi32_si128(data[i-7]);
xmm7 = _mm_mul_epu32(xmm7, xmm3);
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm2);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
else { /* order == 5, 6 */
if(order == 6) {
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[5] * data[i-6];
//sum += qlp_coeff[4] * data[i-5];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm2);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 5 */
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[4] * data[i-5];
xmm7 = _mm_cvtsi32_si128(data[i-5]);
xmm7 = _mm_mul_epu32(xmm7, xmm2);
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm1);
xmm7 = _mm_add_epi32(xmm7, xmm6);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
}
else { /* order == 1, 2, 3, 4 */
if(order > 2) { /* order == 3, 4 */
if(order == 4) {
__m128i xmm0, xmm1, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[3] * data[i-4];
//sum += qlp_coeff[2] * data[i-3];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm1);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 3 */
__m128i xmm0, xmm1, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[2] * data[i-3];
xmm7 = _mm_cvtsi32_si128(data[i-3]);
xmm7 = _mm_mul_epu32(xmm7, xmm1);
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epu32(xmm6, xmm0);
xmm7 = _mm_add_epi32(xmm7, xmm6);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
}
else { /* order == 1, 2 */
if(order == 2) {
__m128i xmm0, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[1] * data[i-2];
//sum += qlp_coeff[0] * data[i-1];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epu32(xmm7, xmm0);
xmm7 = _mm_add_epi32(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL32_RESULT(xmm7);
}
}
else { /* order == 1 */
for(i = 0; i < (int)data_len; i++)
residual[i] = data[i] - ((qlp_coeff[0] * data[i-1]) >> lp_quantization);
}
}
}
}
else { /* order > 12 */
FLAC__int32 sum;
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);
}
}
}
#if defined FLAC__CPU_IA32 && !defined FLAC__HAS_NASM /* unused for x64; not better than MMX asm */
FLAC__SSE_TARGET("sse2")
void FLAC__lpc_restore_signal_16_intrin_sse2(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
{
if (order < 8 || order > 12) {
FLAC__lpc_restore_signal(residual, data_len, qlp_coeff, order, lp_quantization, data);
return;
}
if (data_len == 0)
return;
FLAC__ASSERT(order >= 8);
FLAC__ASSERT(order <= 12);
if(order > 8) { /* order == 9, 10, 11, 12 */
FLAC__int32 curr;
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
xmm6 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+8)); /* read 0 to 3 uninitialized coeffs... */
switch(order) /* ...and zero them out */
{
case 9:
xmm1 = _mm_slli_si128(xmm1, 12); xmm1 = _mm_srli_si128(xmm1, 12); break;
case 10:
xmm1 = _mm_slli_si128(xmm1, 8); xmm1 = _mm_srli_si128(xmm1, 8); break;
case 11:
xmm1 = _mm_slli_si128(xmm1, 4); xmm1 = _mm_srli_si128(xmm1, 4); break;
}
xmm2 = _mm_setzero_si128();
xmm0 = _mm_packs_epi32(xmm0, xmm6);
xmm1 = _mm_packs_epi32(xmm1, xmm2);
xmm4 = _mm_loadu_si128((const __m128i*)(data-12));
xmm5 = _mm_loadu_si128((const __m128i*)(data-8));
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(0,1,2,3));
xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(0,1,2,3));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
xmm4 = _mm_packs_epi32(xmm4, xmm2);
xmm3 = _mm_packs_epi32(xmm3, xmm5);
xmm7 = _mm_slli_si128(xmm1, 2);
xmm7 = _mm_or_si128(xmm7, _mm_srli_si128(xmm0, 14));
xmm2 = _mm_slli_si128(xmm0, 2);
/* xmm0, xmm1: qlp_coeff
xmm2, xmm7: qlp_coeff << 16 bit
xmm3, xmm4: data */
xmm5 = _mm_madd_epi16(xmm4, xmm1);
xmm6 = _mm_madd_epi16(xmm3, xmm0);
xmm6 = _mm_add_epi32(xmm6, xmm5);
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
DATA16_RESULT(xmm6);
data_len--;
if(data_len % 2) {
xmm6 = _mm_srli_si128(xmm3, 14);
xmm4 = _mm_slli_si128(xmm4, 2);
xmm3 = _mm_slli_si128(xmm3, 2);
xmm4 = _mm_or_si128(xmm4, xmm6);
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
xmm5 = _mm_madd_epi16(xmm4, xmm1);
xmm6 = _mm_madd_epi16(xmm3, xmm0);
xmm6 = _mm_add_epi32(xmm6, xmm5);
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
DATA16_RESULT(xmm6);
data_len--;
}
while(data_len) { /* data_len is a multiple of 2 */
/* 1 _mm_slli_si128 per data element less but we need shifted qlp_coeff in xmm2:xmm7 */
xmm6 = _mm_srli_si128(xmm3, 12);
xmm4 = _mm_slli_si128(xmm4, 4);
xmm3 = _mm_slli_si128(xmm3, 4);
xmm4 = _mm_or_si128(xmm4, xmm6);
xmm3 = _mm_insert_epi16(xmm3, curr, 1);
xmm5 = _mm_madd_epi16(xmm4, xmm7);
xmm6 = _mm_madd_epi16(xmm3, xmm2);
xmm6 = _mm_add_epi32(xmm6, xmm5);
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
DATA16_RESULT(xmm6);
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
xmm5 = _mm_madd_epi16(xmm4, xmm1);
xmm6 = _mm_madd_epi16(xmm3, xmm0);
xmm6 = _mm_add_epi32(xmm6, xmm5);
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
DATA16_RESULT(xmm6);
data_len-=2;
}
} /* endif(order > 8) */
else
{
FLAC__int32 curr;
__m128i xmm0, xmm1, xmm3, xmm6;
xmm0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadu_si128((const __m128i*)(qlp_coeff+4));
xmm0 = _mm_packs_epi32(xmm0, xmm1);
xmm1 = _mm_loadu_si128((const __m128i*)(data-8));
xmm3 = _mm_loadu_si128((const __m128i*)(data-4));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(0,1,2,3));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(0,1,2,3));
xmm3 = _mm_packs_epi32(xmm3, xmm1);
/* xmm0: qlp_coeff
xmm3: data */
xmm6 = _mm_madd_epi16(xmm3, xmm0);
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
DATA16_RESULT(xmm6);
data_len--;
while(data_len) {
xmm3 = _mm_slli_si128(xmm3, 2);
xmm3 = _mm_insert_epi16(xmm3, curr, 0);
xmm6 = _mm_madd_epi16(xmm3, xmm0);
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 8));
xmm6 = _mm_add_epi32(xmm6, _mm_srli_si128(xmm6, 4));
DATA16_RESULT(xmm6);
data_len--;
}
}
}
#endif /* defined FLAC__CPU_IA32 && !defined FLAC__HAS_NASM */
#endif /* FLAC__SSE2_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */
#endif /* FLAC__INTEGER_ONLY_LIBRARY */