/* libFLAC - Free Lossless Audio Codec library * Copyright (C) 2000-2009 Josh Coalson * Copyright (C) 2011-2022 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, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) { int i; FLAC__int32 sum; const __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*)(const void*)(data+i-12))); mull = _mm256_madd_epi16(q10, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-11))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-11))); mull = _mm256_madd_epi16(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-10))); mull = _mm256_madd_epi16(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-9 ))); mull = _mm256_madd_epi16(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-8 ))); mull = _mm256_madd_epi16(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-7 ))); mull = _mm256_madd_epi16(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-6 ))); mull = _mm256_madd_epi16(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-5 ))); mull = _mm256_madd_epi16(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-4 ))); mull = _mm256_madd_epi16(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-3 ))); mull = _mm256_madd_epi16(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2 ))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-2 ))); mull = _mm256_madd_epi16(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1 ))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-1 ))); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); } } } } for(; i < (int)data_len; i++) { sum = 0; switch(order) { case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ 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]; /* Falls through. */ case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ 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, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) { int i; FLAC__int32 sum; const __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*)(const void*)(data+i-12))); mull = _mm256_mullo_epi32(q10, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-11))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-11))); mull = _mm256_mullo_epi32(q9, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-10))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-10))); mull = _mm256_mullo_epi32(q8, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-9))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-9))); mull = _mm256_mullo_epi32(q7, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-8))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-8))); mull = _mm256_mullo_epi32(q6, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-7))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-7))); mull = _mm256_mullo_epi32(q5, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-6))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-6))); mull = _mm256_mullo_epi32(q4, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-5))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-5))); mull = _mm256_mullo_epi32(q3, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-4))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-4))); mull = _mm256_mullo_epi32(q2, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-3))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-3))); mull = _mm256_mullo_epi32(q1, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-2))); summ = _mm256_add_epi32(summ, mull); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-2))); mull = _mm256_mullo_epi32(q0, _mm256_loadu_si256((const __m256i*)(const void*)(data+i-1))); summ = _mm256_add_epi32(summ, mull); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(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*)(const void*)(data+i-1))); summ = _mm256_sra_epi32(summ, cnt); _mm256_storeu_si256((__m256i*)(void*)(residual+i), _mm256_sub_epi32(_mm256_loadu_si256((const __m256i*)(const void*)(data+i)), summ)); } } } } for(; i < (int)data_len; i++) { sum = 0; switch(order) { case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */ case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */ case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */ case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */ case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */ case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */ case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */ case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */ case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */ case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */ case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */ 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]; /* Falls through. */ case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */ case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */ case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */ case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */ case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */ case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */ case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */ case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */ case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */ case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */ case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */ case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */ case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */ case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */ case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */ case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */ case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */ case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */ 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, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[]) { int i; FLAC__int64 sum; const __m128i cnt = _mm_cvtsi32_si128(lp_quantization); const __m256i pack = _mm256_loadu_si256((const __m256i *)(const void*)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*)(const void*)(data+i-12)))); mull = _mm256_mul_epi32(q10, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-11)))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-10)))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-11)))); mull = _mm256_mul_epi32(q9, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-10)))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-10)))); mull = _mm256_mul_epi32(q8, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-9 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-9 )))); mull = _mm256_mul_epi32(q7, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-8 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-8 )))); mull = _mm256_mul_epi32(q6, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-7 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-7 )))); mull = _mm256_mul_epi32(q5, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-6 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-6 )))); mull = _mm256_mul_epi32(q4, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-5 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-5 )))); mull = _mm256_mul_epi32(q3, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-4 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-4 )))); mull = _mm256_mul_epi32(q2, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-3 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-3 )))); mull = _mm256_mul_epi32(q1, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-2 )))); summ = _mm256_add_epi64(summ, mull); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-2 )))); mull = _mm256_mul_epi32(q0, _mm256_cvtepu32_epi64(_mm_loadu_si128((const __m128i*)(const void*)(data+i-1 )))); summ = _mm256_add_epi64(summ, mull); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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*)(const void*)(data+i-1 )))); summ = _mm256_permutevar8x32_epi32(_mm256_srl_epi64(summ, cnt), pack); _mm_storeu_si128((__m128i*)(void*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(const void*)(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]; /* Falls through. */ case 11: sum += qlp_coeff[10] * (FLAC__int64)data[i-11]; /* Falls through. */ case 10: sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10]; /* Falls through. */ case 9: sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9]; /* Falls through. */ case 8: sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8]; /* Falls through. */ case 7: sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7]; /* Falls through. */ case 6: sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6]; /* Falls through. */ case 5: sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5]; /* Falls through. */ case 4: sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4]; /* Falls through. */ case 3: sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3]; /* Falls through. */ case 2: sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2]; /* Falls through. */ 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]; /* Falls through. */ case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31]; /* Falls through. */ case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30]; /* Falls through. */ case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29]; /* Falls through. */ case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28]; /* Falls through. */ case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27]; /* Falls through. */ case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26]; /* Falls through. */ case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25]; /* Falls through. */ case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24]; /* Falls through. */ case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23]; /* Falls through. */ case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22]; /* Falls through. */ case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21]; /* Falls through. */ case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20]; /* Falls through. */ case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19]; /* Falls through. */ case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18]; /* Falls through. */ case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17]; /* Falls through. */ case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16]; /* Falls through. */ case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15]; /* Falls through. */ case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14]; /* Falls through. */ 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 */
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