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/*
* Copyright (c) 2018, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include "config/av1_rtcd.h"
#include "av1/common/enums.h"
#include "av1/common/av1_txfm.h"
#include "av1/encoder/x86/av1_fwd_txfm_avx2.h"
#include "av1/common/x86/av1_txfm_sse2.h"
#include "av1/encoder/av1_fwd_txfm1d_cfg.h"
#include "av1/encoder/x86/av1_txfm1d_sse4.h"
#include "av1/encoder/x86/av1_fwd_txfm_sse2.h"
#include "aom_dsp/x86/txfm_common_avx2.h"
static inline void fdct16x16_new_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i _r = _mm256_set1_epi32(1 << (cos_bit - 1));
__m256i cospi_m32_p32 = pair_set_w16_epi16(-cospi[32], cospi[32]);
__m256i cospi_p32_p32 = pair_set_w16_epi16(cospi[32], cospi[32]);
__m256i cospi_p32_m32 = pair_set_w16_epi16(cospi[32], -cospi[32]);
__m256i cospi_p48_p16 = pair_set_w16_epi16(cospi[48], cospi[16]);
__m256i cospi_m16_p48 = pair_set_w16_epi16(-cospi[16], cospi[48]);
__m256i cospi_m48_m16 = pair_set_w16_epi16(-cospi[48], -cospi[16]);
__m256i cospi_p56_p08 = pair_set_w16_epi16(cospi[56], cospi[8]);
__m256i cospi_m08_p56 = pair_set_w16_epi16(-cospi[8], cospi[56]);
__m256i cospi_p24_p40 = pair_set_w16_epi16(cospi[24], cospi[40]);
__m256i cospi_m40_p24 = pair_set_w16_epi16(-cospi[40], cospi[24]);
__m256i cospi_p60_p04 = pair_set_w16_epi16(cospi[60], cospi[4]);
__m256i cospi_m04_p60 = pair_set_w16_epi16(-cospi[4], cospi[60]);
__m256i cospi_p28_p36 = pair_set_w16_epi16(cospi[28], cospi[36]);
__m256i cospi_m36_p28 = pair_set_w16_epi16(-cospi[36], cospi[28]);
__m256i cospi_p44_p20 = pair_set_w16_epi16(cospi[44], cospi[20]);
__m256i cospi_m20_p44 = pair_set_w16_epi16(-cospi[20], cospi[44]);
__m256i cospi_p12_p52 = pair_set_w16_epi16(cospi[12], cospi[52]);
__m256i cospi_m52_p12 = pair_set_w16_epi16(-cospi[52], cospi[12]);
// stage 1
__m256i x1[16];
btf_16_adds_subs_out_avx2(&x1[0], &x1[15], input[0], input[15]);
btf_16_adds_subs_out_avx2(&x1[1], &x1[14], input[1], input[14]);
btf_16_adds_subs_out_avx2(&x1[2], &x1[13], input[2], input[13]);
btf_16_adds_subs_out_avx2(&x1[3], &x1[12], input[3], input[12]);
btf_16_adds_subs_out_avx2(&x1[4], &x1[11], input[4], input[11]);
btf_16_adds_subs_out_avx2(&x1[5], &x1[10], input[5], input[10]);
btf_16_adds_subs_out_avx2(&x1[6], &x1[9], input[6], input[9]);
btf_16_adds_subs_out_avx2(&x1[7], &x1[8], input[7], input[8]);
// stage 2
btf_16_adds_subs_avx2(&x1[0], &x1[7]);
btf_16_adds_subs_avx2(&x1[1], &x1[6]);
btf_16_adds_subs_avx2(&x1[2], &x1[5]);
btf_16_adds_subs_avx2(&x1[3], &x1[4]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[10], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[11], &x1[12], _r, cos_bit);
// stage 3
btf_16_adds_subs_avx2(&x1[0], &x1[3]);
btf_16_adds_subs_avx2(&x1[1], &x1[2]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[5], &x1[6], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[8], &x1[11]);
btf_16_adds_subs_avx2(&x1[9], &x1[10]);
btf_16_adds_subs_avx2(&x1[15], &x1[12]);
btf_16_adds_subs_avx2(&x1[14], &x1[13]);
// stage 4
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[0], &x1[1], _r, cos_bit);
btf_16_w16_avx2(cospi_p48_p16, cospi_m16_p48, &x1[2], &x1[3], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[4], &x1[5]);
btf_16_adds_subs_avx2(&x1[7], &x1[6]);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[9], &x1[14], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[10], &x1[13], _r, cos_bit);
// stage 5
btf_16_w16_avx2(cospi_p56_p08, cospi_m08_p56, &x1[4], &x1[7], _r, cos_bit);
btf_16_w16_avx2(cospi_p24_p40, cospi_m40_p24, &x1[5], &x1[6], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[8], &x1[9]);
btf_16_adds_subs_avx2(&x1[11], &x1[10]);
btf_16_adds_subs_avx2(&x1[12], &x1[13]);
btf_16_adds_subs_avx2(&x1[15], &x1[14]);
// stage 6
btf_16_w16_avx2(cospi_p60_p04, cospi_m04_p60, &x1[8], &x1[15], _r, cos_bit);
btf_16_w16_avx2(cospi_p28_p36, cospi_m36_p28, &x1[9], &x1[14], _r, cos_bit);
btf_16_w16_avx2(cospi_p44_p20, cospi_m20_p44, &x1[10], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_p12_p52, cospi_m52_p12, &x1[11], &x1[12], _r, cos_bit);
// stage 7
output[0] = x1[0];
output[1] = x1[8];
output[2] = x1[4];
output[3] = x1[12];
output[4] = x1[2];
output[5] = x1[10];
output[6] = x1[6];
output[7] = x1[14];
output[8] = x1[1];
output[9] = x1[9];
output[10] = x1[5];
output[11] = x1[13];
output[12] = x1[3];
output[13] = x1[11];
output[14] = x1[7];
output[15] = x1[15];
}
static inline void fdct16x32_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i _r = _mm256_set1_epi32(1 << (cos_bit - 1));
__m256i cospi_m32_p32 = pair_set_w16_epi16(-cospi[32], cospi[32]);
__m256i cospi_p32_p32 = pair_set_w16_epi16(cospi[32], cospi[32]);
__m256i cospi_m16_p48 = pair_set_w16_epi16(-cospi[16], cospi[48]);
__m256i cospi_p48_p16 = pair_set_w16_epi16(cospi[48], cospi[16]);
__m256i cospi_m48_m16 = pair_set_w16_epi16(-cospi[48], -cospi[16]);
__m256i cospi_p32_m32 = pair_set_w16_epi16(cospi[32], -cospi[32]);
__m256i cospi_p56_p08 = pair_set_w16_epi16(cospi[56], cospi[8]);
__m256i cospi_m08_p56 = pair_set_w16_epi16(-cospi[8], cospi[56]);
__m256i cospi_p24_p40 = pair_set_w16_epi16(cospi[24], cospi[40]);
__m256i cospi_m40_p24 = pair_set_w16_epi16(-cospi[40], cospi[24]);
__m256i cospi_m56_m08 = pair_set_w16_epi16(-cospi[56], -cospi[8]);
__m256i cospi_m24_m40 = pair_set_w16_epi16(-cospi[24], -cospi[40]);
__m256i cospi_p60_p04 = pair_set_w16_epi16(cospi[60], cospi[4]);
__m256i cospi_m04_p60 = pair_set_w16_epi16(-cospi[4], cospi[60]);
__m256i cospi_p28_p36 = pair_set_w16_epi16(cospi[28], cospi[36]);
__m256i cospi_m36_p28 = pair_set_w16_epi16(-cospi[36], cospi[28]);
__m256i cospi_p44_p20 = pair_set_w16_epi16(cospi[44], cospi[20]);
__m256i cospi_m20_p44 = pair_set_w16_epi16(-cospi[20], cospi[44]);
__m256i cospi_p12_p52 = pair_set_w16_epi16(cospi[12], cospi[52]);
__m256i cospi_m52_p12 = pair_set_w16_epi16(-cospi[52], cospi[12]);
__m256i cospi_p62_p02 = pair_set_w16_epi16(cospi[62], cospi[2]);
__m256i cospi_m02_p62 = pair_set_w16_epi16(-cospi[2], cospi[62]);
__m256i cospi_p30_p34 = pair_set_w16_epi16(cospi[30], cospi[34]);
__m256i cospi_m34_p30 = pair_set_w16_epi16(-cospi[34], cospi[30]);
__m256i cospi_p46_p18 = pair_set_w16_epi16(cospi[46], cospi[18]);
__m256i cospi_m18_p46 = pair_set_w16_epi16(-cospi[18], cospi[46]);
__m256i cospi_p14_p50 = pair_set_w16_epi16(cospi[14], cospi[50]);
__m256i cospi_m50_p14 = pair_set_w16_epi16(-cospi[50], cospi[14]);
__m256i cospi_p54_p10 = pair_set_w16_epi16(cospi[54], cospi[10]);
__m256i cospi_m10_p54 = pair_set_w16_epi16(-cospi[10], cospi[54]);
__m256i cospi_p22_p42 = pair_set_w16_epi16(cospi[22], cospi[42]);
__m256i cospi_m42_p22 = pair_set_w16_epi16(-cospi[42], cospi[22]);
__m256i cospi_p38_p26 = pair_set_w16_epi16(cospi[38], cospi[26]);
__m256i cospi_m26_p38 = pair_set_w16_epi16(-cospi[26], cospi[38]);
__m256i cospi_p06_p58 = pair_set_w16_epi16(cospi[6], cospi[58]);
__m256i cospi_m58_p06 = pair_set_w16_epi16(-cospi[58], cospi[6]);
// stage 1
__m256i x1[32];
btf_16_adds_subs_out_avx2(&x1[0], &x1[31], input[0], input[31]);
btf_16_adds_subs_out_avx2(&x1[1], &x1[30], input[1], input[30]);
btf_16_adds_subs_out_avx2(&x1[2], &x1[29], input[2], input[29]);
btf_16_adds_subs_out_avx2(&x1[3], &x1[28], input[3], input[28]);
btf_16_adds_subs_out_avx2(&x1[4], &x1[27], input[4], input[27]);
btf_16_adds_subs_out_avx2(&x1[5], &x1[26], input[5], input[26]);
btf_16_adds_subs_out_avx2(&x1[6], &x1[25], input[6], input[25]);
btf_16_adds_subs_out_avx2(&x1[7], &x1[24], input[7], input[24]);
btf_16_adds_subs_out_avx2(&x1[8], &x1[23], input[8], input[23]);
btf_16_adds_subs_out_avx2(&x1[9], &x1[22], input[9], input[22]);
btf_16_adds_subs_out_avx2(&x1[10], &x1[21], input[10], input[21]);
btf_16_adds_subs_out_avx2(&x1[11], &x1[20], input[11], input[20]);
btf_16_adds_subs_out_avx2(&x1[12], &x1[19], input[12], input[19]);
btf_16_adds_subs_out_avx2(&x1[13], &x1[18], input[13], input[18]);
btf_16_adds_subs_out_avx2(&x1[14], &x1[17], input[14], input[17]);
btf_16_adds_subs_out_avx2(&x1[15], &x1[16], input[15], input[16]);
// stage 2
btf_16_adds_subs_avx2(&x1[0], &x1[15]);
btf_16_adds_subs_avx2(&x1[1], &x1[14]);
btf_16_adds_subs_avx2(&x1[2], &x1[13]);
btf_16_adds_subs_avx2(&x1[3], &x1[12]);
btf_16_adds_subs_avx2(&x1[4], &x1[11]);
btf_16_adds_subs_avx2(&x1[5], &x1[10]);
btf_16_adds_subs_avx2(&x1[6], &x1[9]);
btf_16_adds_subs_avx2(&x1[7], &x1[8]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[20], &x1[27], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[21], &x1[26], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[22], &x1[25], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[23], &x1[24], _r, cos_bit);
// stage 3
btf_16_adds_subs_avx2(&x1[0], &x1[7]);
btf_16_adds_subs_avx2(&x1[1], &x1[6]);
btf_16_adds_subs_avx2(&x1[2], &x1[5]);
btf_16_adds_subs_avx2(&x1[3], &x1[4]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[10], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[11], &x1[12], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[16], &x1[23]);
btf_16_adds_subs_avx2(&x1[17], &x1[22]);
btf_16_adds_subs_avx2(&x1[18], &x1[21]);
btf_16_adds_subs_avx2(&x1[19], &x1[20]);
btf_16_adds_subs_avx2(&x1[31], &x1[24]);
btf_16_adds_subs_avx2(&x1[30], &x1[25]);
btf_16_adds_subs_avx2(&x1[29], &x1[26]);
btf_16_adds_subs_avx2(&x1[28], &x1[27]);
// stage 4
btf_16_adds_subs_avx2(&x1[0], &x1[3]);
btf_16_adds_subs_avx2(&x1[1], &x1[2]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[5], &x1[6], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[8], &x1[11]);
btf_16_adds_subs_avx2(&x1[9], &x1[10]);
btf_16_adds_subs_avx2(&x1[15], &x1[12]);
btf_16_adds_subs_avx2(&x1[14], &x1[13]);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[18], &x1[29], _r, cos_bit);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[19], &x1[28], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[20], &x1[27], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[21], &x1[26], _r, cos_bit);
// stage 5
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[0], &x1[1], _r, cos_bit);
btf_16_w16_avx2(cospi_p48_p16, cospi_m16_p48, &x1[2], &x1[3], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[4], &x1[5]);
btf_16_adds_subs_avx2(&x1[7], &x1[6]);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[9], &x1[14], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[10], &x1[13], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[16], &x1[19]);
btf_16_adds_subs_avx2(&x1[17], &x1[18]);
btf_16_adds_subs_avx2(&x1[23], &x1[20]);
btf_16_adds_subs_avx2(&x1[22], &x1[21]);
btf_16_adds_subs_avx2(&x1[24], &x1[27]);
btf_16_adds_subs_avx2(&x1[25], &x1[26]);
btf_16_adds_subs_avx2(&x1[31], &x1[28]);
btf_16_adds_subs_avx2(&x1[30], &x1[29]);
// stage 6
btf_16_w16_avx2(cospi_p56_p08, cospi_m08_p56, &x1[4], &x1[7], _r, cos_bit);
btf_16_w16_avx2(cospi_p24_p40, cospi_m40_p24, &x1[5], &x1[6], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[8], &x1[9]);
btf_16_adds_subs_avx2(&x1[11], &x1[10]);
btf_16_adds_subs_avx2(&x1[12], &x1[13]);
btf_16_adds_subs_avx2(&x1[15], &x1[14]);
btf_16_w16_avx2(cospi_m08_p56, cospi_p56_p08, &x1[17], &x1[30], _r, cos_bit);
btf_16_w16_avx2(cospi_m56_m08, cospi_m08_p56, &x1[18], &x1[29], _r, cos_bit);
btf_16_w16_avx2(cospi_m40_p24, cospi_p24_p40, &x1[21], &x1[26], _r, cos_bit);
btf_16_w16_avx2(cospi_m24_m40, cospi_m40_p24, &x1[22], &x1[25], _r, cos_bit);
// stage 7
btf_16_w16_avx2(cospi_p60_p04, cospi_m04_p60, &x1[8], &x1[15], _r, cos_bit);
btf_16_w16_avx2(cospi_p28_p36, cospi_m36_p28, &x1[9], &x1[14], _r, cos_bit);
btf_16_w16_avx2(cospi_p44_p20, cospi_m20_p44, &x1[10], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_p12_p52, cospi_m52_p12, &x1[11], &x1[12], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[16], &x1[17]);
btf_16_adds_subs_avx2(&x1[19], &x1[18]);
btf_16_adds_subs_avx2(&x1[20], &x1[21]);
btf_16_adds_subs_avx2(&x1[23], &x1[22]);
btf_16_adds_subs_avx2(&x1[24], &x1[25]);
btf_16_adds_subs_avx2(&x1[27], &x1[26]);
btf_16_adds_subs_avx2(&x1[28], &x1[29]);
btf_16_adds_subs_avx2(&x1[31], &x1[30]);
// stage 8
btf_16_w16_avx2(cospi_p62_p02, cospi_m02_p62, &x1[16], &x1[31], _r, cos_bit);
btf_16_w16_avx2(cospi_p30_p34, cospi_m34_p30, &x1[17], &x1[30], _r, cos_bit);
btf_16_w16_avx2(cospi_p46_p18, cospi_m18_p46, &x1[18], &x1[29], _r, cos_bit);
btf_16_w16_avx2(cospi_p14_p50, cospi_m50_p14, &x1[19], &x1[28], _r, cos_bit);
btf_16_w16_avx2(cospi_p54_p10, cospi_m10_p54, &x1[20], &x1[27], _r, cos_bit);
btf_16_w16_avx2(cospi_p22_p42, cospi_m42_p22, &x1[21], &x1[26], _r, cos_bit);
btf_16_w16_avx2(cospi_p38_p26, cospi_m26_p38, &x1[22], &x1[25], _r, cos_bit);
btf_16_w16_avx2(cospi_p06_p58, cospi_m58_p06, &x1[23], &x1[24], _r, cos_bit);
// stage 9
output[0] = x1[0];
output[1] = x1[16];
output[2] = x1[8];
output[3] = x1[24];
output[4] = x1[4];
output[5] = x1[20];
output[6] = x1[12];
output[7] = x1[28];
output[8] = x1[2];
output[9] = x1[18];
output[10] = x1[10];
output[11] = x1[26];
output[12] = x1[6];
output[13] = x1[22];
output[14] = x1[14];
output[15] = x1[30];
output[16] = x1[1];
output[17] = x1[17];
output[18] = x1[9];
output[19] = x1[25];
output[20] = x1[5];
output[21] = x1[21];
output[22] = x1[13];
output[23] = x1[29];
output[24] = x1[3];
output[25] = x1[19];
output[26] = x1[11];
output[27] = x1[27];
output[28] = x1[7];
output[29] = x1[23];
output[30] = x1[15];
output[31] = x1[31];
}
static inline void fdct16x64_new_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i _r = _mm256_set1_epi32(1 << (cos_bit - 1));
__m256i cospi_m32_p32 = pair_set_w16_epi16(-cospi[32], cospi[32]);
__m256i cospi_p32_p32 = pair_set_w16_epi16(cospi[32], cospi[32]);
__m256i cospi_m16_p48 = pair_set_w16_epi16(-cospi[16], cospi[48]);
__m256i cospi_p48_p16 = pair_set_w16_epi16(cospi[48], cospi[16]);
__m256i cospi_m48_m16 = pair_set_w16_epi16(-cospi[48], -cospi[16]);
__m256i cospi_p32_m32 = pair_set_w16_epi16(cospi[32], -cospi[32]);
__m256i cospi_m08_p56 = pair_set_w16_epi16(-cospi[8], cospi[56]);
__m256i cospi_p56_p08 = pair_set_w16_epi16(cospi[56], cospi[8]);
__m256i cospi_m56_m08 = pair_set_w16_epi16(-cospi[56], -cospi[8]);
__m256i cospi_m40_p24 = pair_set_w16_epi16(-cospi[40], cospi[24]);
__m256i cospi_p24_p40 = pair_set_w16_epi16(cospi[24], cospi[40]);
__m256i cospi_m24_m40 = pair_set_w16_epi16(-cospi[24], -cospi[40]);
__m256i cospi_p60_p04 = pair_set_w16_epi16(cospi[60], cospi[4]);
__m256i cospi_m04_p60 = pair_set_w16_epi16(-cospi[4], cospi[60]);
__m256i cospi_p28_p36 = pair_set_w16_epi16(cospi[28], cospi[36]);
__m256i cospi_m36_p28 = pair_set_w16_epi16(-cospi[36], cospi[28]);
__m256i cospi_p44_p20 = pair_set_w16_epi16(cospi[44], cospi[20]);
__m256i cospi_m20_p44 = pair_set_w16_epi16(-cospi[20], cospi[44]);
__m256i cospi_p12_p52 = pair_set_w16_epi16(cospi[12], cospi[52]);
__m256i cospi_m52_p12 = pair_set_w16_epi16(-cospi[52], cospi[12]);
__m256i cospi_m60_m04 = pair_set_w16_epi16(-cospi[60], -cospi[4]);
__m256i cospi_m28_m36 = pair_set_w16_epi16(-cospi[28], -cospi[36]);
__m256i cospi_m44_m20 = pair_set_w16_epi16(-cospi[44], -cospi[20]);
__m256i cospi_m12_m52 = pair_set_w16_epi16(-cospi[12], -cospi[52]);
__m256i cospi_p62_p02 = pair_set_w16_epi16(cospi[62], cospi[2]);
__m256i cospi_m02_p62 = pair_set_w16_epi16(-cospi[2], cospi[62]);
__m256i cospi_p30_p34 = pair_set_w16_epi16(cospi[30], cospi[34]);
__m256i cospi_m34_p30 = pair_set_w16_epi16(-cospi[34], cospi[30]);
__m256i cospi_p46_p18 = pair_set_w16_epi16(cospi[46], cospi[18]);
__m256i cospi_m18_p46 = pair_set_w16_epi16(-cospi[18], cospi[46]);
__m256i cospi_p14_p50 = pair_set_w16_epi16(cospi[14], cospi[50]);
__m256i cospi_m50_p14 = pair_set_w16_epi16(-cospi[50], cospi[14]);
__m256i cospi_p54_p10 = pair_set_w16_epi16(cospi[54], cospi[10]);
__m256i cospi_m10_p54 = pair_set_w16_epi16(-cospi[10], cospi[54]);
__m256i cospi_p22_p42 = pair_set_w16_epi16(cospi[22], cospi[42]);
__m256i cospi_m42_p22 = pair_set_w16_epi16(-cospi[42], cospi[22]);
__m256i cospi_p38_p26 = pair_set_w16_epi16(cospi[38], cospi[26]);
__m256i cospi_m26_p38 = pair_set_w16_epi16(-cospi[26], cospi[38]);
__m256i cospi_p06_p58 = pair_set_w16_epi16(cospi[6], cospi[58]);
__m256i cospi_m58_p06 = pair_set_w16_epi16(-cospi[58], cospi[6]);
__m256i cospi_p63_p01 = pair_set_w16_epi16(cospi[63], cospi[1]);
__m256i cospi_m01_p63 = pair_set_w16_epi16(-cospi[1], cospi[63]);
__m256i cospi_p31_p33 = pair_set_w16_epi16(cospi[31], cospi[33]);
__m256i cospi_m33_p31 = pair_set_w16_epi16(-cospi[33], cospi[31]);
__m256i cospi_p47_p17 = pair_set_w16_epi16(cospi[47], cospi[17]);
__m256i cospi_m17_p47 = pair_set_w16_epi16(-cospi[17], cospi[47]);
__m256i cospi_p15_p49 = pair_set_w16_epi16(cospi[15], cospi[49]);
__m256i cospi_m49_p15 = pair_set_w16_epi16(-cospi[49], cospi[15]);
__m256i cospi_p55_p09 = pair_set_w16_epi16(cospi[55], cospi[9]);
__m256i cospi_m09_p55 = pair_set_w16_epi16(-cospi[9], cospi[55]);
__m256i cospi_p23_p41 = pair_set_w16_epi16(cospi[23], cospi[41]);
__m256i cospi_m41_p23 = pair_set_w16_epi16(-cospi[41], cospi[23]);
__m256i cospi_p39_p25 = pair_set_w16_epi16(cospi[39], cospi[25]);
__m256i cospi_m25_p39 = pair_set_w16_epi16(-cospi[25], cospi[39]);
__m256i cospi_p07_p57 = pair_set_w16_epi16(cospi[7], cospi[57]);
__m256i cospi_m57_p07 = pair_set_w16_epi16(-cospi[57], cospi[7]);
__m256i cospi_p59_p05 = pair_set_w16_epi16(cospi[59], cospi[5]);
__m256i cospi_m05_p59 = pair_set_w16_epi16(-cospi[5], cospi[59]);
__m256i cospi_p27_p37 = pair_set_w16_epi16(cospi[27], cospi[37]);
__m256i cospi_m37_p27 = pair_set_w16_epi16(-cospi[37], cospi[27]);
__m256i cospi_p43_p21 = pair_set_w16_epi16(cospi[43], cospi[21]);
__m256i cospi_m21_p43 = pair_set_w16_epi16(-cospi[21], cospi[43]);
__m256i cospi_p11_p53 = pair_set_w16_epi16(cospi[11], cospi[53]);
__m256i cospi_m53_p11 = pair_set_w16_epi16(-cospi[53], cospi[11]);
__m256i cospi_p51_p13 = pair_set_w16_epi16(cospi[51], cospi[13]);
__m256i cospi_m13_p51 = pair_set_w16_epi16(-cospi[13], cospi[51]);
__m256i cospi_p19_p45 = pair_set_w16_epi16(cospi[19], cospi[45]);
__m256i cospi_m45_p19 = pair_set_w16_epi16(-cospi[45], cospi[19]);
__m256i cospi_p35_p29 = pair_set_w16_epi16(cospi[35], cospi[29]);
__m256i cospi_m29_p35 = pair_set_w16_epi16(-cospi[29], cospi[35]);
__m256i cospi_p03_p61 = pair_set_w16_epi16(cospi[3], cospi[61]);
__m256i cospi_m61_p03 = pair_set_w16_epi16(-cospi[61], cospi[3]);
// stage 1
__m256i x1[64];
btf_16_adds_subs_out_avx2(&x1[0], &x1[63], input[0], input[63]);
btf_16_adds_subs_out_avx2(&x1[1], &x1[62], input[1], input[62]);
btf_16_adds_subs_out_avx2(&x1[2], &x1[61], input[2], input[61]);
btf_16_adds_subs_out_avx2(&x1[3], &x1[60], input[3], input[60]);
btf_16_adds_subs_out_avx2(&x1[4], &x1[59], input[4], input[59]);
btf_16_adds_subs_out_avx2(&x1[5], &x1[58], input[5], input[58]);
btf_16_adds_subs_out_avx2(&x1[6], &x1[57], input[6], input[57]);
btf_16_adds_subs_out_avx2(&x1[7], &x1[56], input[7], input[56]);
btf_16_adds_subs_out_avx2(&x1[8], &x1[55], input[8], input[55]);
btf_16_adds_subs_out_avx2(&x1[9], &x1[54], input[9], input[54]);
btf_16_adds_subs_out_avx2(&x1[10], &x1[53], input[10], input[53]);
btf_16_adds_subs_out_avx2(&x1[11], &x1[52], input[11], input[52]);
btf_16_adds_subs_out_avx2(&x1[12], &x1[51], input[12], input[51]);
btf_16_adds_subs_out_avx2(&x1[13], &x1[50], input[13], input[50]);
btf_16_adds_subs_out_avx2(&x1[14], &x1[49], input[14], input[49]);
btf_16_adds_subs_out_avx2(&x1[15], &x1[48], input[15], input[48]);
btf_16_adds_subs_out_avx2(&x1[16], &x1[47], input[16], input[47]);
btf_16_adds_subs_out_avx2(&x1[17], &x1[46], input[17], input[46]);
btf_16_adds_subs_out_avx2(&x1[18], &x1[45], input[18], input[45]);
btf_16_adds_subs_out_avx2(&x1[19], &x1[44], input[19], input[44]);
btf_16_adds_subs_out_avx2(&x1[20], &x1[43], input[20], input[43]);
btf_16_adds_subs_out_avx2(&x1[21], &x1[42], input[21], input[42]);
btf_16_adds_subs_out_avx2(&x1[22], &x1[41], input[22], input[41]);
btf_16_adds_subs_out_avx2(&x1[23], &x1[40], input[23], input[40]);
btf_16_adds_subs_out_avx2(&x1[24], &x1[39], input[24], input[39]);
btf_16_adds_subs_out_avx2(&x1[25], &x1[38], input[25], input[38]);
btf_16_adds_subs_out_avx2(&x1[26], &x1[37], input[26], input[37]);
btf_16_adds_subs_out_avx2(&x1[27], &x1[36], input[27], input[36]);
btf_16_adds_subs_out_avx2(&x1[28], &x1[35], input[28], input[35]);
btf_16_adds_subs_out_avx2(&x1[29], &x1[34], input[29], input[34]);
btf_16_adds_subs_out_avx2(&x1[30], &x1[33], input[30], input[33]);
btf_16_adds_subs_out_avx2(&x1[31], &x1[32], input[31], input[32]);
// stage 2
btf_16_adds_subs_avx2(&x1[0], &x1[31]);
btf_16_adds_subs_avx2(&x1[1], &x1[30]);
btf_16_adds_subs_avx2(&x1[2], &x1[29]);
btf_16_adds_subs_avx2(&x1[3], &x1[28]);
btf_16_adds_subs_avx2(&x1[4], &x1[27]);
btf_16_adds_subs_avx2(&x1[5], &x1[26]);
btf_16_adds_subs_avx2(&x1[6], &x1[25]);
btf_16_adds_subs_avx2(&x1[7], &x1[24]);
btf_16_adds_subs_avx2(&x1[8], &x1[23]);
btf_16_adds_subs_avx2(&x1[9], &x1[22]);
btf_16_adds_subs_avx2(&x1[10], &x1[21]);
btf_16_adds_subs_avx2(&x1[11], &x1[20]);
btf_16_adds_subs_avx2(&x1[12], &x1[19]);
btf_16_adds_subs_avx2(&x1[13], &x1[18]);
btf_16_adds_subs_avx2(&x1[14], &x1[17]);
btf_16_adds_subs_avx2(&x1[15], &x1[16]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[40], &x1[55], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[41], &x1[54], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[42], &x1[53], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[43], &x1[52], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[44], &x1[51], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[45], &x1[50], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[46], &x1[49], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[47], &x1[48], _r, cos_bit);
// stage 3
btf_16_adds_subs_avx2(&x1[0], &x1[15]);
btf_16_adds_subs_avx2(&x1[1], &x1[14]);
btf_16_adds_subs_avx2(&x1[2], &x1[13]);
btf_16_adds_subs_avx2(&x1[3], &x1[12]);
btf_16_adds_subs_avx2(&x1[4], &x1[11]);
btf_16_adds_subs_avx2(&x1[5], &x1[10]);
btf_16_adds_subs_avx2(&x1[6], &x1[9]);
btf_16_adds_subs_avx2(&x1[7], &x1[8]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[20], &x1[27], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[21], &x1[26], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[22], &x1[25], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[23], &x1[24], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[32], &x1[47]);
btf_16_adds_subs_avx2(&x1[33], &x1[46]);
btf_16_adds_subs_avx2(&x1[34], &x1[45]);
btf_16_adds_subs_avx2(&x1[35], &x1[44]);
btf_16_adds_subs_avx2(&x1[36], &x1[43]);
btf_16_adds_subs_avx2(&x1[37], &x1[42]);
btf_16_adds_subs_avx2(&x1[38], &x1[41]);
btf_16_adds_subs_avx2(&x1[39], &x1[40]);
btf_16_adds_subs_avx2(&x1[63], &x1[48]);
btf_16_adds_subs_avx2(&x1[62], &x1[49]);
btf_16_adds_subs_avx2(&x1[61], &x1[50]);
btf_16_adds_subs_avx2(&x1[60], &x1[51]);
btf_16_adds_subs_avx2(&x1[59], &x1[52]);
btf_16_adds_subs_avx2(&x1[58], &x1[53]);
btf_16_adds_subs_avx2(&x1[57], &x1[54]);
btf_16_adds_subs_avx2(&x1[56], &x1[55]);
// stage 4
btf_16_adds_subs_avx2(&x1[0], &x1[7]);
btf_16_adds_subs_avx2(&x1[1], &x1[6]);
btf_16_adds_subs_avx2(&x1[2], &x1[5]);
btf_16_adds_subs_avx2(&x1[3], &x1[4]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[10], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[11], &x1[12], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[16], &x1[23]);
btf_16_adds_subs_avx2(&x1[17], &x1[22]);
btf_16_adds_subs_avx2(&x1[18], &x1[21]);
btf_16_adds_subs_avx2(&x1[19], &x1[20]);
btf_16_adds_subs_avx2(&x1[31], &x1[24]);
btf_16_adds_subs_avx2(&x1[30], &x1[25]);
btf_16_adds_subs_avx2(&x1[29], &x1[26]);
btf_16_adds_subs_avx2(&x1[28], &x1[27]);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[36], &x1[59], _r, cos_bit);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[37], &x1[58], _r, cos_bit);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[38], &x1[57], _r, cos_bit);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[39], &x1[56], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[40], &x1[55], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[41], &x1[54], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[42], &x1[53], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[43], &x1[52], _r, cos_bit);
// stage 5
btf_16_adds_subs_avx2(&x1[0], &x1[3]);
btf_16_adds_subs_avx2(&x1[1], &x1[2]);
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[5], &x1[6], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[8], &x1[11]);
btf_16_adds_subs_avx2(&x1[9], &x1[10]);
btf_16_adds_subs_avx2(&x1[15], &x1[12]);
btf_16_adds_subs_avx2(&x1[14], &x1[13]);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[18], &x1[29], _r, cos_bit);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[19], &x1[28], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[20], &x1[27], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[21], &x1[26], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[32], &x1[39]);
btf_16_adds_subs_avx2(&x1[33], &x1[38]);
btf_16_adds_subs_avx2(&x1[34], &x1[37]);
btf_16_adds_subs_avx2(&x1[35], &x1[36]);
btf_16_adds_subs_avx2(&x1[47], &x1[40]);
btf_16_adds_subs_avx2(&x1[46], &x1[41]);
btf_16_adds_subs_avx2(&x1[45], &x1[42]);
btf_16_adds_subs_avx2(&x1[44], &x1[43]);
btf_16_adds_subs_avx2(&x1[48], &x1[55]);
btf_16_adds_subs_avx2(&x1[49], &x1[54]);
btf_16_adds_subs_avx2(&x1[50], &x1[53]);
btf_16_adds_subs_avx2(&x1[51], &x1[52]);
btf_16_adds_subs_avx2(&x1[63], &x1[56]);
btf_16_adds_subs_avx2(&x1[62], &x1[57]);
btf_16_adds_subs_avx2(&x1[61], &x1[58]);
btf_16_adds_subs_avx2(&x1[60], &x1[59]);
// stage 6
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[0], &x1[1], _r, cos_bit);
btf_16_w16_avx2(cospi_p48_p16, cospi_m16_p48, &x1[2], &x1[3], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[4], &x1[5]);
btf_16_adds_subs_avx2(&x1[7], &x1[6]);
btf_16_w16_avx2(cospi_m16_p48, cospi_p48_p16, &x1[9], &x1[14], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_m16, cospi_m16_p48, &x1[10], &x1[13], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[16], &x1[19]);
btf_16_adds_subs_avx2(&x1[17], &x1[18]);
btf_16_adds_subs_avx2(&x1[23], &x1[20]);
btf_16_adds_subs_avx2(&x1[22], &x1[21]);
btf_16_adds_subs_avx2(&x1[24], &x1[27]);
btf_16_adds_subs_avx2(&x1[25], &x1[26]);
btf_16_adds_subs_avx2(&x1[31], &x1[28]);
btf_16_adds_subs_avx2(&x1[30], &x1[29]);
btf_16_w16_avx2(cospi_m08_p56, cospi_p56_p08, &x1[34], &x1[61], _r, cos_bit);
btf_16_w16_avx2(cospi_m08_p56, cospi_p56_p08, &x1[35], &x1[60], _r, cos_bit);
btf_16_w16_avx2(cospi_m56_m08, cospi_m08_p56, &x1[36], &x1[59], _r, cos_bit);
btf_16_w16_avx2(cospi_m56_m08, cospi_m08_p56, &x1[37], &x1[58], _r, cos_bit);
btf_16_w16_avx2(cospi_m40_p24, cospi_p24_p40, &x1[42], &x1[53], _r, cos_bit);
btf_16_w16_avx2(cospi_m40_p24, cospi_p24_p40, &x1[43], &x1[52], _r, cos_bit);
btf_16_w16_avx2(cospi_m24_m40, cospi_m40_p24, &x1[44], &x1[51], _r, cos_bit);
btf_16_w16_avx2(cospi_m24_m40, cospi_m40_p24, &x1[45], &x1[50], _r, cos_bit);
// stage 7
btf_16_w16_avx2(cospi_p56_p08, cospi_m08_p56, &x1[4], &x1[7], _r, cos_bit);
btf_16_w16_avx2(cospi_p24_p40, cospi_m40_p24, &x1[5], &x1[6], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[8], &x1[9]);
btf_16_adds_subs_avx2(&x1[11], &x1[10]);
btf_16_adds_subs_avx2(&x1[12], &x1[13]);
btf_16_adds_subs_avx2(&x1[15], &x1[14]);
btf_16_w16_avx2(cospi_m08_p56, cospi_p56_p08, &x1[17], &x1[30], _r, cos_bit);
btf_16_w16_avx2(cospi_m56_m08, cospi_m08_p56, &x1[18], &x1[29], _r, cos_bit);
btf_16_w16_avx2(cospi_m40_p24, cospi_p24_p40, &x1[21], &x1[26], _r, cos_bit);
btf_16_w16_avx2(cospi_m24_m40, cospi_m40_p24, &x1[22], &x1[25], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[32], &x1[35]);
btf_16_adds_subs_avx2(&x1[33], &x1[34]);
btf_16_adds_subs_avx2(&x1[39], &x1[36]);
btf_16_adds_subs_avx2(&x1[38], &x1[37]);
btf_16_adds_subs_avx2(&x1[40], &x1[43]);
btf_16_adds_subs_avx2(&x1[41], &x1[42]);
btf_16_adds_subs_avx2(&x1[47], &x1[44]);
btf_16_adds_subs_avx2(&x1[46], &x1[45]);
btf_16_adds_subs_avx2(&x1[48], &x1[51]);
btf_16_adds_subs_avx2(&x1[49], &x1[50]);
btf_16_adds_subs_avx2(&x1[55], &x1[52]);
btf_16_adds_subs_avx2(&x1[54], &x1[53]);
btf_16_adds_subs_avx2(&x1[56], &x1[59]);
btf_16_adds_subs_avx2(&x1[57], &x1[58]);
btf_16_adds_subs_avx2(&x1[63], &x1[60]);
btf_16_adds_subs_avx2(&x1[62], &x1[61]);
// stage 8
btf_16_w16_avx2(cospi_p60_p04, cospi_m04_p60, &x1[8], &x1[15], _r, cos_bit);
btf_16_w16_avx2(cospi_p28_p36, cospi_m36_p28, &x1[9], &x1[14], _r, cos_bit);
btf_16_w16_avx2(cospi_p44_p20, cospi_m20_p44, &x1[10], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_p12_p52, cospi_m52_p12, &x1[11], &x1[12], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[16], &x1[17]);
btf_16_adds_subs_avx2(&x1[19], &x1[18]);
btf_16_adds_subs_avx2(&x1[20], &x1[21]);
btf_16_adds_subs_avx2(&x1[23], &x1[22]);
btf_16_adds_subs_avx2(&x1[24], &x1[25]);
btf_16_adds_subs_avx2(&x1[27], &x1[26]);
btf_16_adds_subs_avx2(&x1[28], &x1[29]);
btf_16_adds_subs_avx2(&x1[31], &x1[30]);
btf_16_w16_avx2(cospi_m04_p60, cospi_p60_p04, &x1[33], &x1[62], _r, cos_bit);
btf_16_w16_avx2(cospi_m60_m04, cospi_m04_p60, &x1[34], &x1[61], _r, cos_bit);
btf_16_w16_avx2(cospi_m36_p28, cospi_p28_p36, &x1[37], &x1[58], _r, cos_bit);
btf_16_w16_avx2(cospi_m28_m36, cospi_m36_p28, &x1[38], &x1[57], _r, cos_bit);
btf_16_w16_avx2(cospi_m20_p44, cospi_p44_p20, &x1[41], &x1[54], _r, cos_bit);
btf_16_w16_avx2(cospi_m44_m20, cospi_m20_p44, &x1[42], &x1[53], _r, cos_bit);
btf_16_w16_avx2(cospi_m52_p12, cospi_p12_p52, &x1[45], &x1[50], _r, cos_bit);
btf_16_w16_avx2(cospi_m12_m52, cospi_m52_p12, &x1[46], &x1[49], _r, cos_bit);
// stage 9
btf_16_w16_avx2(cospi_p62_p02, cospi_m02_p62, &x1[16], &x1[31], _r, cos_bit);
btf_16_w16_avx2(cospi_p30_p34, cospi_m34_p30, &x1[17], &x1[30], _r, cos_bit);
btf_16_w16_avx2(cospi_p46_p18, cospi_m18_p46, &x1[18], &x1[29], _r, cos_bit);
btf_16_w16_avx2(cospi_p14_p50, cospi_m50_p14, &x1[19], &x1[28], _r, cos_bit);
btf_16_w16_avx2(cospi_p54_p10, cospi_m10_p54, &x1[20], &x1[27], _r, cos_bit);
btf_16_w16_avx2(cospi_p22_p42, cospi_m42_p22, &x1[21], &x1[26], _r, cos_bit);
btf_16_w16_avx2(cospi_p38_p26, cospi_m26_p38, &x1[22], &x1[25], _r, cos_bit);
btf_16_w16_avx2(cospi_p06_p58, cospi_m58_p06, &x1[23], &x1[24], _r, cos_bit);
btf_16_adds_subs_avx2(&x1[32], &x1[33]);
btf_16_adds_subs_avx2(&x1[35], &x1[34]);
btf_16_adds_subs_avx2(&x1[36], &x1[37]);
btf_16_adds_subs_avx2(&x1[39], &x1[38]);
btf_16_adds_subs_avx2(&x1[40], &x1[41]);
btf_16_adds_subs_avx2(&x1[43], &x1[42]);
btf_16_adds_subs_avx2(&x1[44], &x1[45]);
btf_16_adds_subs_avx2(&x1[47], &x1[46]);
btf_16_adds_subs_avx2(&x1[48], &x1[49]);
btf_16_adds_subs_avx2(&x1[51], &x1[50]);
btf_16_adds_subs_avx2(&x1[52], &x1[53]);
btf_16_adds_subs_avx2(&x1[55], &x1[54]);
btf_16_adds_subs_avx2(&x1[56], &x1[57]);
btf_16_adds_subs_avx2(&x1[59], &x1[58]);
btf_16_adds_subs_avx2(&x1[60], &x1[61]);
btf_16_adds_subs_avx2(&x1[63], &x1[62]);
// stage 10
btf_16_w16_avx2(cospi_p63_p01, cospi_m01_p63, &x1[32], &x1[63], _r, cos_bit);
btf_16_w16_avx2(cospi_p31_p33, cospi_m33_p31, &x1[33], &x1[62], _r, cos_bit);
btf_16_w16_avx2(cospi_p47_p17, cospi_m17_p47, &x1[34], &x1[61], _r, cos_bit);
btf_16_w16_avx2(cospi_p15_p49, cospi_m49_p15, &x1[35], &x1[60], _r, cos_bit);
btf_16_w16_avx2(cospi_p55_p09, cospi_m09_p55, &x1[36], &x1[59], _r, cos_bit);
btf_16_w16_avx2(cospi_p23_p41, cospi_m41_p23, &x1[37], &x1[58], _r, cos_bit);
btf_16_w16_avx2(cospi_p39_p25, cospi_m25_p39, &x1[38], &x1[57], _r, cos_bit);
btf_16_w16_avx2(cospi_p07_p57, cospi_m57_p07, &x1[39], &x1[56], _r, cos_bit);
btf_16_w16_avx2(cospi_p59_p05, cospi_m05_p59, &x1[40], &x1[55], _r, cos_bit);
btf_16_w16_avx2(cospi_p27_p37, cospi_m37_p27, &x1[41], &x1[54], _r, cos_bit);
btf_16_w16_avx2(cospi_p43_p21, cospi_m21_p43, &x1[42], &x1[53], _r, cos_bit);
btf_16_w16_avx2(cospi_p11_p53, cospi_m53_p11, &x1[43], &x1[52], _r, cos_bit);
btf_16_w16_avx2(cospi_p51_p13, cospi_m13_p51, &x1[44], &x1[51], _r, cos_bit);
btf_16_w16_avx2(cospi_p19_p45, cospi_m45_p19, &x1[45], &x1[50], _r, cos_bit);
btf_16_w16_avx2(cospi_p35_p29, cospi_m29_p35, &x1[46], &x1[49], _r, cos_bit);
btf_16_w16_avx2(cospi_p03_p61, cospi_m61_p03, &x1[47], &x1[48], _r, cos_bit);
// stage 11
output[0] = x1[0];
output[1] = x1[32];
output[2] = x1[16];
output[3] = x1[48];
output[4] = x1[8];
output[5] = x1[40];
output[6] = x1[24];
output[7] = x1[56];
output[8] = x1[4];
output[9] = x1[36];
output[10] = x1[20];
output[11] = x1[52];
output[12] = x1[12];
output[13] = x1[44];
output[14] = x1[28];
output[15] = x1[60];
output[16] = x1[2];
output[17] = x1[34];
output[18] = x1[18];
output[19] = x1[50];
output[20] = x1[10];
output[21] = x1[42];
output[22] = x1[26];
output[23] = x1[58];
output[24] = x1[6];
output[25] = x1[38];
output[26] = x1[22];
output[27] = x1[54];
output[28] = x1[14];
output[29] = x1[46];
output[30] = x1[30];
output[31] = x1[62];
output[32] = x1[1];
output[33] = x1[33];
output[34] = x1[17];
output[35] = x1[49];
output[36] = x1[9];
output[37] = x1[41];
output[38] = x1[25];
output[39] = x1[57];
output[40] = x1[5];
output[41] = x1[37];
output[42] = x1[21];
output[43] = x1[53];
output[44] = x1[13];
output[45] = x1[45];
output[46] = x1[29];
output[47] = x1[61];
output[48] = x1[3];
output[49] = x1[35];
output[50] = x1[19];
output[51] = x1[51];
output[52] = x1[11];
output[53] = x1[43];
output[54] = x1[27];
output[55] = x1[59];
output[56] = x1[7];
output[57] = x1[39];
output[58] = x1[23];
output[59] = x1[55];
output[60] = x1[15];
output[61] = x1[47];
output[62] = x1[31];
output[63] = x1[63];
}
static inline void fdct32_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
__m256i x1[32];
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i _r = _mm256_set1_epi32(1 << (cos_bit - 1));
// stage 0
// stage 1
btf_32_add_sub_out_avx2(&x1[0], &x1[31], input[0], input[31]);
btf_32_add_sub_out_avx2(&x1[1], &x1[30], input[1], input[30]);
btf_32_add_sub_out_avx2(&x1[2], &x1[29], input[2], input[29]);
btf_32_add_sub_out_avx2(&x1[3], &x1[28], input[3], input[28]);
btf_32_add_sub_out_avx2(&x1[4], &x1[27], input[4], input[27]);
btf_32_add_sub_out_avx2(&x1[5], &x1[26], input[5], input[26]);
btf_32_add_sub_out_avx2(&x1[6], &x1[25], input[6], input[25]);
btf_32_add_sub_out_avx2(&x1[7], &x1[24], input[7], input[24]);
btf_32_add_sub_out_avx2(&x1[8], &x1[23], input[8], input[23]);
btf_32_add_sub_out_avx2(&x1[9], &x1[22], input[9], input[22]);
btf_32_add_sub_out_avx2(&x1[10], &x1[21], input[10], input[21]);
btf_32_add_sub_out_avx2(&x1[11], &x1[20], input[11], input[20]);
btf_32_add_sub_out_avx2(&x1[12], &x1[19], input[12], input[19]);
btf_32_add_sub_out_avx2(&x1[13], &x1[18], input[13], input[18]);
btf_32_add_sub_out_avx2(&x1[14], &x1[17], input[14], input[17]);
btf_32_add_sub_out_avx2(&x1[15], &x1[16], input[15], input[16]);
// stage 2
btf_32_add_sub_avx2(&x1[0], &x1[15]);
btf_32_add_sub_avx2(&x1[1], &x1[14]);
btf_32_add_sub_avx2(&x1[2], &x1[13]);
btf_32_add_sub_avx2(&x1[3], &x1[12]);
btf_32_add_sub_avx2(&x1[4], &x1[11]);
btf_32_add_sub_avx2(&x1[5], &x1[10]);
btf_32_add_sub_avx2(&x1[6], &x1[9]);
btf_32_add_sub_avx2(&x1[7], &x1[8]);
btf_32_avx2_type0(-cospi[32], cospi[32], &x1[20], &x1[27], _r, cos_bit);
btf_32_avx2_type0(-cospi[32], cospi[32], &x1[21], &x1[26], _r, cos_bit);
btf_32_avx2_type0(-cospi[32], cospi[32], &x1[22], &x1[25], _r, cos_bit);
btf_32_avx2_type0(-cospi[32], cospi[32], &x1[23], &x1[24], _r, cos_bit);
// stage 3
btf_32_add_sub_avx2(&x1[0], &x1[7]);
btf_32_add_sub_avx2(&x1[1], &x1[6]);
btf_32_add_sub_avx2(&x1[2], &x1[5]);
btf_32_add_sub_avx2(&x1[3], &x1[4]);
btf_32_avx2_type0(-cospi[32], cospi[32], &x1[10], &x1[13], _r, cos_bit);
btf_32_avx2_type0(-cospi[32], cospi[32], &x1[11], &x1[12], _r, cos_bit);
btf_32_add_sub_avx2(&x1[16], &x1[23]);
btf_32_add_sub_avx2(&x1[17], &x1[22]);
btf_32_add_sub_avx2(&x1[18], &x1[21]);
btf_32_add_sub_avx2(&x1[19], &x1[20]);
btf_32_add_sub_avx2(&x1[31], &x1[24]);
btf_32_add_sub_avx2(&x1[30], &x1[25]);
btf_32_add_sub_avx2(&x1[29], &x1[26]);
btf_32_add_sub_avx2(&x1[28], &x1[27]);
// stage 4
btf_32_add_sub_avx2(&x1[0], &x1[3]);
btf_32_add_sub_avx2(&x1[1], &x1[2]);
btf_32_avx2_type0(-cospi[32], cospi[32], &x1[5], &x1[6], _r, cos_bit);
btf_32_add_sub_avx2(&x1[8], &x1[11]);
btf_32_add_sub_avx2(&x1[9], &x1[10]);
btf_32_add_sub_avx2(&x1[15], &x1[12]);
btf_32_add_sub_avx2(&x1[14], &x1[13]);
btf_32_avx2_type0(-cospi[16], cospi[48], &x1[18], &x1[29], _r, cos_bit);
btf_32_avx2_type0(-cospi[16], cospi[48], &x1[19], &x1[28], _r, cos_bit);
btf_32_avx2_type0(-cospi[48], -cospi[16], &x1[20], &x1[27], _r, cos_bit);
btf_32_avx2_type0(-cospi[48], -cospi[16], &x1[21], &x1[26], _r, cos_bit);
// stage 5
btf_32_avx2_type0(cospi[32], cospi[32], &x1[0], &x1[1], _r, cos_bit);
btf_32_avx2_type1(cospi[48], cospi[16], &x1[2], &x1[3], _r, cos_bit);
btf_32_add_sub_avx2(&x1[4], &x1[5]);
btf_32_add_sub_avx2(&x1[7], &x1[6]);
btf_32_avx2_type0(-cospi[16], cospi[48], &x1[9], &x1[14], _r, cos_bit);
btf_32_avx2_type0(-cospi[48], -cospi[16], &x1[10], &x1[13], _r, cos_bit);
btf_32_add_sub_avx2(&x1[16], &x1[19]);
btf_32_add_sub_avx2(&x1[17], &x1[18]);
btf_32_add_sub_avx2(&x1[23], &x1[20]);
btf_32_add_sub_avx2(&x1[22], &x1[21]);
btf_32_add_sub_avx2(&x1[24], &x1[27]);
btf_32_add_sub_avx2(&x1[25], &x1[26]);
btf_32_add_sub_avx2(&x1[31], &x1[28]);
btf_32_add_sub_avx2(&x1[30], &x1[29]);
// stage 6
btf_32_avx2_type1(cospi[56], cospi[8], &x1[4], &x1[7], _r, cos_bit);
btf_32_avx2_type1(cospi[24], cospi[40], &x1[5], &x1[6], _r, cos_bit);
btf_32_add_sub_avx2(&x1[8], &x1[9]);
btf_32_add_sub_avx2(&x1[11], &x1[10]);
btf_32_add_sub_avx2(&x1[12], &x1[13]);
btf_32_add_sub_avx2(&x1[15], &x1[14]);
btf_32_avx2_type0(-cospi[8], cospi[56], &x1[17], &x1[30], _r, cos_bit);
btf_32_avx2_type0(-cospi[56], -cospi[8], &x1[18], &x1[29], _r, cos_bit);
btf_32_avx2_type0(-cospi[40], cospi[24], &x1[21], &x1[26], _r, cos_bit);
btf_32_avx2_type0(-cospi[24], -cospi[40], &x1[22], &x1[25], _r, cos_bit);
// stage 7
btf_32_avx2_type1(cospi[60], cospi[4], &x1[8], &x1[15], _r, cos_bit);
btf_32_avx2_type1(cospi[28], cospi[36], &x1[9], &x1[14], _r, cos_bit);
btf_32_avx2_type1(cospi[44], cospi[20], &x1[10], &x1[13], _r, cos_bit);
btf_32_avx2_type1(cospi[12], cospi[52], &x1[11], &x1[12], _r, cos_bit);
btf_32_add_sub_avx2(&x1[16], &x1[17]);
btf_32_add_sub_avx2(&x1[19], &x1[18]);
btf_32_add_sub_avx2(&x1[20], &x1[21]);
btf_32_add_sub_avx2(&x1[23], &x1[22]);
btf_32_add_sub_avx2(&x1[24], &x1[25]);
btf_32_add_sub_avx2(&x1[27], &x1[26]);
btf_32_add_sub_avx2(&x1[28], &x1[29]);
btf_32_add_sub_avx2(&x1[31], &x1[30]);
// stage 8
btf_32_avx2_type1(cospi[62], cospi[2], &x1[16], &x1[31], _r, cos_bit);
btf_32_avx2_type1(cospi[30], cospi[34], &x1[17], &x1[30], _r, cos_bit);
btf_32_avx2_type1(cospi[46], cospi[18], &x1[18], &x1[29], _r, cos_bit);
btf_32_avx2_type1(cospi[14], cospi[50], &x1[19], &x1[28], _r, cos_bit);
btf_32_avx2_type1(cospi[54], cospi[10], &x1[20], &x1[27], _r, cos_bit);
btf_32_avx2_type1(cospi[22], cospi[42], &x1[21], &x1[26], _r, cos_bit);
btf_32_avx2_type1(cospi[38], cospi[26], &x1[22], &x1[25], _r, cos_bit);
btf_32_avx2_type1(cospi[6], cospi[58], &x1[23], &x1[24], _r, cos_bit);
// stage 9
output[0] = x1[0];
output[1] = x1[16];
output[2] = x1[8];
output[3] = x1[24];
output[4] = x1[4];
output[5] = x1[20];
output[6] = x1[12];
output[7] = x1[28];
output[8] = x1[2];
output[9] = x1[18];
output[10] = x1[10];
output[11] = x1[26];
output[12] = x1[6];
output[13] = x1[22];
output[14] = x1[14];
output[15] = x1[30];
output[16] = x1[1];
output[17] = x1[17];
output[18] = x1[9];
output[19] = x1[25];
output[20] = x1[5];
output[21] = x1[21];
output[22] = x1[13];
output[23] = x1[29];
output[24] = x1[3];
output[25] = x1[19];
output[26] = x1[11];
output[27] = x1[27];
output[28] = x1[7];
output[29] = x1[23];
output[30] = x1[15];
output[31] = x1[31];
}
static inline void fdct64_new_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i _r = _mm256_set1_epi32(1 << (cos_bit - 1));
__m256i cospi_m32 = _mm256_set1_epi32(-cospi[32]);
__m256i cospi_p32 = _mm256_set1_epi32(cospi[32]);
__m256i cospi_m16 = _mm256_set1_epi32(-cospi[16]);
__m256i cospi_p48 = _mm256_set1_epi32(cospi[48]);
__m256i cospi_m48 = _mm256_set1_epi32(-cospi[48]);
__m256i cospi_p16 = _mm256_set1_epi32(cospi[16]);
__m256i cospi_m08 = _mm256_set1_epi32(-cospi[8]);
__m256i cospi_p56 = _mm256_set1_epi32(cospi[56]);
__m256i cospi_m56 = _mm256_set1_epi32(-cospi[56]);
__m256i cospi_m40 = _mm256_set1_epi32(-cospi[40]);
__m256i cospi_p24 = _mm256_set1_epi32(cospi[24]);
__m256i cospi_m24 = _mm256_set1_epi32(-cospi[24]);
__m256i cospi_p08 = _mm256_set1_epi32(cospi[8]);
__m256i cospi_p40 = _mm256_set1_epi32(cospi[40]);
__m256i cospi_p60 = _mm256_set1_epi32(cospi[60]);
__m256i cospi_p04 = _mm256_set1_epi32(cospi[4]);
__m256i cospi_p28 = _mm256_set1_epi32(cospi[28]);
__m256i cospi_p36 = _mm256_set1_epi32(cospi[36]);
__m256i cospi_p44 = _mm256_set1_epi32(cospi[44]);
__m256i cospi_p20 = _mm256_set1_epi32(cospi[20]);
__m256i cospi_p12 = _mm256_set1_epi32(cospi[12]);
__m256i cospi_p52 = _mm256_set1_epi32(cospi[52]);
__m256i cospi_m04 = _mm256_set1_epi32(-cospi[4]);
__m256i cospi_m60 = _mm256_set1_epi32(-cospi[60]);
__m256i cospi_m36 = _mm256_set1_epi32(-cospi[36]);
__m256i cospi_m28 = _mm256_set1_epi32(-cospi[28]);
__m256i cospi_m20 = _mm256_set1_epi32(-cospi[20]);
__m256i cospi_m44 = _mm256_set1_epi32(-cospi[44]);
__m256i cospi_m52 = _mm256_set1_epi32(-cospi[52]);
__m256i cospi_m12 = _mm256_set1_epi32(-cospi[12]);
__m256i cospi_p62 = _mm256_set1_epi32(cospi[62]);
__m256i cospi_p02 = _mm256_set1_epi32(cospi[2]);
__m256i cospi_p30 = _mm256_set1_epi32(cospi[30]);
__m256i cospi_p34 = _mm256_set1_epi32(cospi[34]);
__m256i cospi_p46 = _mm256_set1_epi32(cospi[46]);
__m256i cospi_p18 = _mm256_set1_epi32(cospi[18]);
__m256i cospi_p14 = _mm256_set1_epi32(cospi[14]);
__m256i cospi_p50 = _mm256_set1_epi32(cospi[50]);
__m256i cospi_p54 = _mm256_set1_epi32(cospi[54]);
__m256i cospi_p10 = _mm256_set1_epi32(cospi[10]);
__m256i cospi_p22 = _mm256_set1_epi32(cospi[22]);
__m256i cospi_p42 = _mm256_set1_epi32(cospi[42]);
__m256i cospi_p38 = _mm256_set1_epi32(cospi[38]);
__m256i cospi_p26 = _mm256_set1_epi32(cospi[26]);
__m256i cospi_p06 = _mm256_set1_epi32(cospi[6]);
__m256i cospi_p58 = _mm256_set1_epi32(cospi[58]);
__m256i cospi_p63 = _mm256_set1_epi32(cospi[63]);
__m256i cospi_p01 = _mm256_set1_epi32(cospi[1]);
__m256i cospi_p31 = _mm256_set1_epi32(cospi[31]);
__m256i cospi_p33 = _mm256_set1_epi32(cospi[33]);
__m256i cospi_p47 = _mm256_set1_epi32(cospi[47]);
__m256i cospi_p17 = _mm256_set1_epi32(cospi[17]);
__m256i cospi_p15 = _mm256_set1_epi32(cospi[15]);
__m256i cospi_p49 = _mm256_set1_epi32(cospi[49]);
__m256i cospi_p55 = _mm256_set1_epi32(cospi[55]);
__m256i cospi_p09 = _mm256_set1_epi32(cospi[9]);
__m256i cospi_p23 = _mm256_set1_epi32(cospi[23]);
__m256i cospi_p41 = _mm256_set1_epi32(cospi[41]);
__m256i cospi_p39 = _mm256_set1_epi32(cospi[39]);
__m256i cospi_p25 = _mm256_set1_epi32(cospi[25]);
__m256i cospi_p07 = _mm256_set1_epi32(cospi[7]);
__m256i cospi_p57 = _mm256_set1_epi32(cospi[57]);
__m256i cospi_p59 = _mm256_set1_epi32(cospi[59]);
__m256i cospi_p05 = _mm256_set1_epi32(cospi[5]);
__m256i cospi_p27 = _mm256_set1_epi32(cospi[27]);
__m256i cospi_p37 = _mm256_set1_epi32(cospi[37]);
__m256i cospi_p43 = _mm256_set1_epi32(cospi[43]);
__m256i cospi_p21 = _mm256_set1_epi32(cospi[21]);
__m256i cospi_p11 = _mm256_set1_epi32(cospi[11]);
__m256i cospi_p53 = _mm256_set1_epi32(cospi[53]);
__m256i cospi_p51 = _mm256_set1_epi32(cospi[51]);
__m256i cospi_p13 = _mm256_set1_epi32(cospi[13]);
__m256i cospi_p19 = _mm256_set1_epi32(cospi[19]);
__m256i cospi_p45 = _mm256_set1_epi32(cospi[45]);
__m256i cospi_p35 = _mm256_set1_epi32(cospi[35]);
__m256i cospi_p29 = _mm256_set1_epi32(cospi[29]);
__m256i cospi_p03 = _mm256_set1_epi32(cospi[3]);
__m256i cospi_p61 = _mm256_set1_epi32(cospi[61]);
// stage 1
__m256i x1[64];
btf_32_add_sub_out_avx2(&x1[0], &x1[63], input[0], input[63]);
btf_32_add_sub_out_avx2(&x1[1], &x1[62], input[1], input[62]);
btf_32_add_sub_out_avx2(&x1[2], &x1[61], input[2], input[61]);
btf_32_add_sub_out_avx2(&x1[3], &x1[60], input[3], input[60]);
btf_32_add_sub_out_avx2(&x1[4], &x1[59], input[4], input[59]);
btf_32_add_sub_out_avx2(&x1[5], &x1[58], input[5], input[58]);
btf_32_add_sub_out_avx2(&x1[6], &x1[57], input[6], input[57]);
btf_32_add_sub_out_avx2(&x1[7], &x1[56], input[7], input[56]);
btf_32_add_sub_out_avx2(&x1[8], &x1[55], input[8], input[55]);
btf_32_add_sub_out_avx2(&x1[9], &x1[54], input[9], input[54]);
btf_32_add_sub_out_avx2(&x1[10], &x1[53], input[10], input[53]);
btf_32_add_sub_out_avx2(&x1[11], &x1[52], input[11], input[52]);
btf_32_add_sub_out_avx2(&x1[12], &x1[51], input[12], input[51]);
btf_32_add_sub_out_avx2(&x1[13], &x1[50], input[13], input[50]);
btf_32_add_sub_out_avx2(&x1[14], &x1[49], input[14], input[49]);
btf_32_add_sub_out_avx2(&x1[15], &x1[48], input[15], input[48]);
btf_32_add_sub_out_avx2(&x1[16], &x1[47], input[16], input[47]);
btf_32_add_sub_out_avx2(&x1[17], &x1[46], input[17], input[46]);
btf_32_add_sub_out_avx2(&x1[18], &x1[45], input[18], input[45]);
btf_32_add_sub_out_avx2(&x1[19], &x1[44], input[19], input[44]);
btf_32_add_sub_out_avx2(&x1[20], &x1[43], input[20], input[43]);
btf_32_add_sub_out_avx2(&x1[21], &x1[42], input[21], input[42]);
btf_32_add_sub_out_avx2(&x1[22], &x1[41], input[22], input[41]);
btf_32_add_sub_out_avx2(&x1[23], &x1[40], input[23], input[40]);
btf_32_add_sub_out_avx2(&x1[24], &x1[39], input[24], input[39]);
btf_32_add_sub_out_avx2(&x1[25], &x1[38], input[25], input[38]);
btf_32_add_sub_out_avx2(&x1[26], &x1[37], input[26], input[37]);
btf_32_add_sub_out_avx2(&x1[27], &x1[36], input[27], input[36]);
btf_32_add_sub_out_avx2(&x1[28], &x1[35], input[28], input[35]);
btf_32_add_sub_out_avx2(&x1[29], &x1[34], input[29], input[34]);
btf_32_add_sub_out_avx2(&x1[30], &x1[33], input[30], input[33]);
btf_32_add_sub_out_avx2(&x1[31], &x1[32], input[31], input[32]);
// stage 2
btf_32_add_sub_avx2(&x1[0], &x1[31]);
btf_32_add_sub_avx2(&x1[1], &x1[30]);
btf_32_add_sub_avx2(&x1[2], &x1[29]);
btf_32_add_sub_avx2(&x1[3], &x1[28]);
btf_32_add_sub_avx2(&x1[4], &x1[27]);
btf_32_add_sub_avx2(&x1[5], &x1[26]);
btf_32_add_sub_avx2(&x1[6], &x1[25]);
btf_32_add_sub_avx2(&x1[7], &x1[24]);
btf_32_add_sub_avx2(&x1[8], &x1[23]);
btf_32_add_sub_avx2(&x1[9], &x1[22]);
btf_32_add_sub_avx2(&x1[10], &x1[21]);
btf_32_add_sub_avx2(&x1[11], &x1[20]);
btf_32_add_sub_avx2(&x1[12], &x1[19]);
btf_32_add_sub_avx2(&x1[13], &x1[18]);
btf_32_add_sub_avx2(&x1[14], &x1[17]);
btf_32_add_sub_avx2(&x1[15], &x1[16]);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[40], &x1[55], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[41], &x1[54], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[42], &x1[53], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[43], &x1[52], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[44], &x1[51], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[45], &x1[50], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[46], &x1[49], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[47], &x1[48], _r, cos_bit);
// stage 3
btf_32_add_sub_avx2(&x1[0], &x1[15]);
btf_32_add_sub_avx2(&x1[1], &x1[14]);
btf_32_add_sub_avx2(&x1[2], &x1[13]);
btf_32_add_sub_avx2(&x1[3], &x1[12]);
btf_32_add_sub_avx2(&x1[4], &x1[11]);
btf_32_add_sub_avx2(&x1[5], &x1[10]);
btf_32_add_sub_avx2(&x1[6], &x1[9]);
btf_32_add_sub_avx2(&x1[7], &x1[8]);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[20], &x1[27], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[21], &x1[26], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[22], &x1[25], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[23], &x1[24], _r, cos_bit);
btf_32_add_sub_avx2(&x1[32], &x1[47]);
btf_32_add_sub_avx2(&x1[33], &x1[46]);
btf_32_add_sub_avx2(&x1[34], &x1[45]);
btf_32_add_sub_avx2(&x1[35], &x1[44]);
btf_32_add_sub_avx2(&x1[36], &x1[43]);
btf_32_add_sub_avx2(&x1[37], &x1[42]);
btf_32_add_sub_avx2(&x1[38], &x1[41]);
btf_32_add_sub_avx2(&x1[39], &x1[40]);
btf_32_add_sub_avx2(&x1[63], &x1[48]);
btf_32_add_sub_avx2(&x1[62], &x1[49]);
btf_32_add_sub_avx2(&x1[61], &x1[50]);
btf_32_add_sub_avx2(&x1[60], &x1[51]);
btf_32_add_sub_avx2(&x1[59], &x1[52]);
btf_32_add_sub_avx2(&x1[58], &x1[53]);
btf_32_add_sub_avx2(&x1[57], &x1[54]);
btf_32_add_sub_avx2(&x1[56], &x1[55]);
// stage 4
btf_32_add_sub_avx2(&x1[0], &x1[7]);
btf_32_add_sub_avx2(&x1[1], &x1[6]);
btf_32_add_sub_avx2(&x1[2], &x1[5]);
btf_32_add_sub_avx2(&x1[3], &x1[4]);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[10], &x1[13], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[11], &x1[12], _r, cos_bit);
btf_32_add_sub_avx2(&x1[16], &x1[23]);
btf_32_add_sub_avx2(&x1[17], &x1[22]);
btf_32_add_sub_avx2(&x1[18], &x1[21]);
btf_32_add_sub_avx2(&x1[19], &x1[20]);
btf_32_add_sub_avx2(&x1[31], &x1[24]);
btf_32_add_sub_avx2(&x1[30], &x1[25]);
btf_32_add_sub_avx2(&x1[29], &x1[26]);
btf_32_add_sub_avx2(&x1[28], &x1[27]);
btf_32_avx2_type0_new(cospi_m16, cospi_p48, &x1[36], &x1[59], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m16, cospi_p48, &x1[37], &x1[58], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m16, cospi_p48, &x1[38], &x1[57], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m16, cospi_p48, &x1[39], &x1[56], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m48, cospi_m16, &x1[40], &x1[55], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m48, cospi_m16, &x1[41], &x1[54], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m48, cospi_m16, &x1[42], &x1[53], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m48, cospi_m16, &x1[43], &x1[52], _r, cos_bit);
// stage 5
btf_32_add_sub_avx2(&x1[0], &x1[3]);
btf_32_add_sub_avx2(&x1[1], &x1[2]);
btf_32_avx2_type0_new(cospi_m32, cospi_p32, &x1[5], &x1[6], _r, cos_bit);
btf_32_add_sub_avx2(&x1[8], &x1[11]);
btf_32_add_sub_avx2(&x1[9], &x1[10]);
btf_32_add_sub_avx2(&x1[15], &x1[12]);
btf_32_add_sub_avx2(&x1[14], &x1[13]);
btf_32_avx2_type0_new(cospi_m16, cospi_p48, &x1[18], &x1[29], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m16, cospi_p48, &x1[19], &x1[28], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m48, cospi_m16, &x1[20], &x1[27], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m48, cospi_m16, &x1[21], &x1[26], _r, cos_bit);
btf_32_add_sub_avx2(&x1[32], &x1[39]);
btf_32_add_sub_avx2(&x1[33], &x1[38]);
btf_32_add_sub_avx2(&x1[34], &x1[37]);
btf_32_add_sub_avx2(&x1[35], &x1[36]);
btf_32_add_sub_avx2(&x1[47], &x1[40]);
btf_32_add_sub_avx2(&x1[46], &x1[41]);
btf_32_add_sub_avx2(&x1[45], &x1[42]);
btf_32_add_sub_avx2(&x1[44], &x1[43]);
btf_32_add_sub_avx2(&x1[48], &x1[55]);
btf_32_add_sub_avx2(&x1[49], &x1[54]);
btf_32_add_sub_avx2(&x1[50], &x1[53]);
btf_32_add_sub_avx2(&x1[51], &x1[52]);
btf_32_add_sub_avx2(&x1[63], &x1[56]);
btf_32_add_sub_avx2(&x1[62], &x1[57]);
btf_32_add_sub_avx2(&x1[61], &x1[58]);
btf_32_add_sub_avx2(&x1[60], &x1[59]);
// stage 6
btf_32_avx2_type0_new(cospi_p32, cospi_p32, &x1[0], &x1[1], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p48, cospi_p16, &x1[2], &x1[3], _r, cos_bit);
btf_32_add_sub_avx2(&x1[4], &x1[5]);
btf_32_add_sub_avx2(&x1[7], &x1[6]);
btf_32_avx2_type0_new(cospi_m16, cospi_p48, &x1[9], &x1[14], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m48, cospi_m16, &x1[10], &x1[13], _r, cos_bit);
btf_32_add_sub_avx2(&x1[16], &x1[19]);
btf_32_add_sub_avx2(&x1[17], &x1[18]);
btf_32_add_sub_avx2(&x1[23], &x1[20]);
btf_32_add_sub_avx2(&x1[22], &x1[21]);
btf_32_add_sub_avx2(&x1[24], &x1[27]);
btf_32_add_sub_avx2(&x1[25], &x1[26]);
btf_32_add_sub_avx2(&x1[31], &x1[28]);
btf_32_add_sub_avx2(&x1[30], &x1[29]);
btf_32_avx2_type0_new(cospi_m08, cospi_p56, &x1[34], &x1[61], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m08, cospi_p56, &x1[35], &x1[60], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m56, cospi_m08, &x1[36], &x1[59], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m56, cospi_m08, &x1[37], &x1[58], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m40, cospi_p24, &x1[42], &x1[53], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m40, cospi_p24, &x1[43], &x1[52], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m24, cospi_m40, &x1[44], &x1[51], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m24, cospi_m40, &x1[45], &x1[50], _r, cos_bit);
// stage 7
btf_32_avx2_type1_new(cospi_p56, cospi_p08, &x1[4], &x1[7], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p24, cospi_p40, &x1[5], &x1[6], _r, cos_bit);
btf_32_add_sub_avx2(&x1[8], &x1[9]);
btf_32_add_sub_avx2(&x1[11], &x1[10]);
btf_32_add_sub_avx2(&x1[12], &x1[13]);
btf_32_add_sub_avx2(&x1[15], &x1[14]);
btf_32_avx2_type0_new(cospi_m08, cospi_p56, &x1[17], &x1[30], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m56, cospi_m08, &x1[18], &x1[29], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m40, cospi_p24, &x1[21], &x1[26], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m24, cospi_m40, &x1[22], &x1[25], _r, cos_bit);
btf_32_add_sub_avx2(&x1[32], &x1[35]);
btf_32_add_sub_avx2(&x1[33], &x1[34]);
btf_32_add_sub_avx2(&x1[39], &x1[36]);
btf_32_add_sub_avx2(&x1[38], &x1[37]);
btf_32_add_sub_avx2(&x1[40], &x1[43]);
btf_32_add_sub_avx2(&x1[41], &x1[42]);
btf_32_add_sub_avx2(&x1[47], &x1[44]);
btf_32_add_sub_avx2(&x1[46], &x1[45]);
btf_32_add_sub_avx2(&x1[48], &x1[51]);
btf_32_add_sub_avx2(&x1[49], &x1[50]);
btf_32_add_sub_avx2(&x1[55], &x1[52]);
btf_32_add_sub_avx2(&x1[54], &x1[53]);
btf_32_add_sub_avx2(&x1[56], &x1[59]);
btf_32_add_sub_avx2(&x1[57], &x1[58]);
btf_32_add_sub_avx2(&x1[63], &x1[60]);
btf_32_add_sub_avx2(&x1[62], &x1[61]);
// stage 8
btf_32_avx2_type1_new(cospi_p60, cospi_p04, &x1[8], &x1[15], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p28, cospi_p36, &x1[9], &x1[14], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p44, cospi_p20, &x1[10], &x1[13], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p12, cospi_p52, &x1[11], &x1[12], _r, cos_bit);
btf_32_add_sub_avx2(&x1[16], &x1[17]);
btf_32_add_sub_avx2(&x1[19], &x1[18]);
btf_32_add_sub_avx2(&x1[20], &x1[21]);
btf_32_add_sub_avx2(&x1[23], &x1[22]);
btf_32_add_sub_avx2(&x1[24], &x1[25]);
btf_32_add_sub_avx2(&x1[27], &x1[26]);
btf_32_add_sub_avx2(&x1[28], &x1[29]);
btf_32_add_sub_avx2(&x1[31], &x1[30]);
btf_32_avx2_type0_new(cospi_m04, cospi_p60, &x1[33], &x1[62], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m60, cospi_m04, &x1[34], &x1[61], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m36, cospi_p28, &x1[37], &x1[58], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m28, cospi_m36, &x1[38], &x1[57], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m20, cospi_p44, &x1[41], &x1[54], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m44, cospi_m20, &x1[42], &x1[53], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m52, cospi_p12, &x1[45], &x1[50], _r, cos_bit);
btf_32_avx2_type0_new(cospi_m12, cospi_m52, &x1[46], &x1[49], _r, cos_bit);
// stage 9
btf_32_avx2_type1_new(cospi_p62, cospi_p02, &x1[16], &x1[31], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p30, cospi_p34, &x1[17], &x1[30], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p46, cospi_p18, &x1[18], &x1[29], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p14, cospi_p50, &x1[19], &x1[28], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p54, cospi_p10, &x1[20], &x1[27], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p22, cospi_p42, &x1[21], &x1[26], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p38, cospi_p26, &x1[22], &x1[25], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p06, cospi_p58, &x1[23], &x1[24], _r, cos_bit);
btf_32_add_sub_avx2(&x1[32], &x1[33]);
btf_32_add_sub_avx2(&x1[35], &x1[34]);
btf_32_add_sub_avx2(&x1[36], &x1[37]);
btf_32_add_sub_avx2(&x1[39], &x1[38]);
btf_32_add_sub_avx2(&x1[40], &x1[41]);
btf_32_add_sub_avx2(&x1[43], &x1[42]);
btf_32_add_sub_avx2(&x1[44], &x1[45]);
btf_32_add_sub_avx2(&x1[47], &x1[46]);
btf_32_add_sub_avx2(&x1[48], &x1[49]);
btf_32_add_sub_avx2(&x1[51], &x1[50]);
btf_32_add_sub_avx2(&x1[52], &x1[53]);
btf_32_add_sub_avx2(&x1[55], &x1[54]);
btf_32_add_sub_avx2(&x1[56], &x1[57]);
btf_32_add_sub_avx2(&x1[59], &x1[58]);
btf_32_add_sub_avx2(&x1[60], &x1[61]);
btf_32_add_sub_avx2(&x1[63], &x1[62]);
// stage 10
btf_32_avx2_type1_new(cospi_p63, cospi_p01, &x1[32], &x1[63], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p31, cospi_p33, &x1[33], &x1[62], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p47, cospi_p17, &x1[34], &x1[61], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p15, cospi_p49, &x1[35], &x1[60], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p55, cospi_p09, &x1[36], &x1[59], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p23, cospi_p41, &x1[37], &x1[58], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p39, cospi_p25, &x1[38], &x1[57], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p07, cospi_p57, &x1[39], &x1[56], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p59, cospi_p05, &x1[40], &x1[55], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p27, cospi_p37, &x1[41], &x1[54], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p43, cospi_p21, &x1[42], &x1[53], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p11, cospi_p53, &x1[43], &x1[52], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p51, cospi_p13, &x1[44], &x1[51], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p19, cospi_p45, &x1[45], &x1[50], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p35, cospi_p29, &x1[46], &x1[49], _r, cos_bit);
btf_32_avx2_type1_new(cospi_p03, cospi_p61, &x1[47], &x1[48], _r, cos_bit);
// stage 11
output[0] = x1[0];
output[1] = x1[32];
output[2] = x1[16];
output[3] = x1[48];
output[4] = x1[8];
output[5] = x1[40];
output[6] = x1[24];
output[7] = x1[56];
output[8] = x1[4];
output[9] = x1[36];
output[10] = x1[20];
output[11] = x1[52];
output[12] = x1[12];
output[13] = x1[44];
output[14] = x1[28];
output[15] = x1[60];
output[16] = x1[2];
output[17] = x1[34];
output[18] = x1[18];
output[19] = x1[50];
output[20] = x1[10];
output[21] = x1[42];
output[22] = x1[26];
output[23] = x1[58];
output[24] = x1[6];
output[25] = x1[38];
output[26] = x1[22];
output[27] = x1[54];
output[28] = x1[14];
output[29] = x1[46];
output[30] = x1[30];
output[31] = x1[62];
output[32] = x1[1];
output[33] = x1[33];
output[34] = x1[17];
output[35] = x1[49];
output[36] = x1[9];
output[37] = x1[41];
output[38] = x1[25];
output[39] = x1[57];
output[40] = x1[5];
output[41] = x1[37];
output[42] = x1[21];
output[43] = x1[53];
output[44] = x1[13];
output[45] = x1[45];
output[46] = x1[29];
output[47] = x1[61];
output[48] = x1[3];
output[49] = x1[35];
output[50] = x1[19];
output[51] = x1[51];
output[52] = x1[11];
output[53] = x1[43];
output[54] = x1[27];
output[55] = x1[59];
output[56] = x1[7];
output[57] = x1[39];
output[58] = x1[23];
output[59] = x1[55];
output[60] = x1[15];
output[61] = x1[47];
output[62] = x1[31];
output[63] = x1[63];
}
static inline void fadst16x16_new_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i __zero = _mm256_setzero_si256();
const __m256i _r = _mm256_set1_epi32(1 << (cos_bit - 1));
__m256i cospi_p32_p32 = pair_set_w16_epi16(cospi[32], cospi[32]);
__m256i cospi_p32_m32 = pair_set_w16_epi16(cospi[32], -cospi[32]);
__m256i cospi_p16_p48 = pair_set_w16_epi16(cospi[16], cospi[48]);
__m256i cospi_p48_m16 = pair_set_w16_epi16(cospi[48], -cospi[16]);
__m256i cospi_m48_p16 = pair_set_w16_epi16(-cospi[48], cospi[16]);
__m256i cospi_p08_p56 = pair_set_w16_epi16(cospi[8], cospi[56]);
__m256i cospi_p56_m08 = pair_set_w16_epi16(cospi[56], -cospi[8]);
__m256i cospi_p40_p24 = pair_set_w16_epi16(cospi[40], cospi[24]);
__m256i cospi_p24_m40 = pair_set_w16_epi16(cospi[24], -cospi[40]);
__m256i cospi_m56_p08 = pair_set_w16_epi16(-cospi[56], cospi[8]);
__m256i cospi_m24_p40 = pair_set_w16_epi16(-cospi[24], cospi[40]);
__m256i cospi_p02_p62 = pair_set_w16_epi16(cospi[2], cospi[62]);
__m256i cospi_p62_m02 = pair_set_w16_epi16(cospi[62], -cospi[2]);
__m256i cospi_p10_p54 = pair_set_w16_epi16(cospi[10], cospi[54]);
__m256i cospi_p54_m10 = pair_set_w16_epi16(cospi[54], -cospi[10]);
__m256i cospi_p18_p46 = pair_set_w16_epi16(cospi[18], cospi[46]);
__m256i cospi_p46_m18 = pair_set_w16_epi16(cospi[46], -cospi[18]);
__m256i cospi_p26_p38 = pair_set_w16_epi16(cospi[26], cospi[38]);
__m256i cospi_p38_m26 = pair_set_w16_epi16(cospi[38], -cospi[26]);
__m256i cospi_p34_p30 = pair_set_w16_epi16(cospi[34], cospi[30]);
__m256i cospi_p30_m34 = pair_set_w16_epi16(cospi[30], -cospi[34]);
__m256i cospi_p42_p22 = pair_set_w16_epi16(cospi[42], cospi[22]);
__m256i cospi_p22_m42 = pair_set_w16_epi16(cospi[22], -cospi[42]);
__m256i cospi_p50_p14 = pair_set_w16_epi16(cospi[50], cospi[14]);
__m256i cospi_p14_m50 = pair_set_w16_epi16(cospi[14], -cospi[50]);
__m256i cospi_p58_p06 = pair_set_w16_epi16(cospi[58], cospi[6]);
__m256i cospi_p06_m58 = pair_set_w16_epi16(cospi[6], -cospi[58]);
// stage 1
__m256i x1[16];
x1[0] = input[0];
x1[1] = _mm256_subs_epi16(__zero, input[15]);
x1[2] = _mm256_subs_epi16(__zero, input[7]);
x1[3] = input[8];
x1[4] = _mm256_subs_epi16(__zero, input[3]);
x1[5] = input[12];
x1[6] = input[4];
x1[7] = _mm256_subs_epi16(__zero, input[11]);
x1[8] = _mm256_subs_epi16(__zero, input[1]);
x1[9] = input[14];
x1[10] = input[6];
x1[11] = _mm256_subs_epi16(__zero, input[9]);
x1[12] = input[2];
x1[13] = _mm256_subs_epi16(__zero, input[13]);
x1[14] = _mm256_subs_epi16(__zero, input[5]);
x1[15] = input[10];
// stage 2
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[2], &x1[3], _r, cos_bit);
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[6], &x1[7], _r, cos_bit);
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[10], &x1[11], _r, cos_bit);
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[14], &x1[15], _r, cos_bit);
// stage 3
btf_16_adds_subs_avx2(&x1[0], &x1[2]);
btf_16_adds_subs_avx2(&x1[1], &x1[3]);
btf_16_adds_subs_avx2(&x1[4], &x1[6]);
btf_16_adds_subs_avx2(&x1[5], &x1[7]);
btf_16_adds_subs_avx2(&x1[8], &x1[10]);
btf_16_adds_subs_avx2(&x1[9], &x1[11]);
btf_16_adds_subs_avx2(&x1[12], &x1[14]);
btf_16_adds_subs_avx2(&x1[13], &x1[15]);
// stage 4
btf_16_w16_avx2(cospi_p16_p48, cospi_p48_m16, &x1[4], &x1[5], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_p16, cospi_p16_p48, &x1[6], &x1[7], _r, cos_bit);
btf_16_w16_avx2(cospi_p16_p48, cospi_p48_m16, &x1[12], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_m48_p16, cospi_p16_p48, &x1[14], &x1[15], _r, cos_bit);
// stage 5
btf_16_adds_subs_avx2(&x1[0], &x1[4]);
btf_16_adds_subs_avx2(&x1[1], &x1[5]);
btf_16_adds_subs_avx2(&x1[2], &x1[6]);
btf_16_adds_subs_avx2(&x1[3], &x1[7]);
btf_16_adds_subs_avx2(&x1[8], &x1[12]);
btf_16_adds_subs_avx2(&x1[9], &x1[13]);
btf_16_adds_subs_avx2(&x1[10], &x1[14]);
btf_16_adds_subs_avx2(&x1[11], &x1[15]);
// stage 6
btf_16_w16_avx2(cospi_p08_p56, cospi_p56_m08, &x1[8], &x1[9], _r, cos_bit);
btf_16_w16_avx2(cospi_p40_p24, cospi_p24_m40, &x1[10], &x1[11], _r, cos_bit);
btf_16_w16_avx2(cospi_m56_p08, cospi_p08_p56, &x1[12], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_m24_p40, cospi_p40_p24, &x1[14], &x1[15], _r, cos_bit);
// stage 7
btf_16_adds_subs_avx2(&x1[0], &x1[8]);
btf_16_adds_subs_avx2(&x1[1], &x1[9]);
btf_16_adds_subs_avx2(&x1[2], &x1[10]);
btf_16_adds_subs_avx2(&x1[3], &x1[11]);
btf_16_adds_subs_avx2(&x1[4], &x1[12]);
btf_16_adds_subs_avx2(&x1[5], &x1[13]);
btf_16_adds_subs_avx2(&x1[6], &x1[14]);
btf_16_adds_subs_avx2(&x1[7], &x1[15]);
// stage 8
btf_16_w16_avx2(cospi_p02_p62, cospi_p62_m02, &x1[0], &x1[1], _r, cos_bit);
btf_16_w16_avx2(cospi_p10_p54, cospi_p54_m10, &x1[2], &x1[3], _r, cos_bit);
btf_16_w16_avx2(cospi_p18_p46, cospi_p46_m18, &x1[4], &x1[5], _r, cos_bit);
btf_16_w16_avx2(cospi_p26_p38, cospi_p38_m26, &x1[6], &x1[7], _r, cos_bit);
btf_16_w16_avx2(cospi_p34_p30, cospi_p30_m34, &x1[8], &x1[9], _r, cos_bit);
btf_16_w16_avx2(cospi_p42_p22, cospi_p22_m42, &x1[10], &x1[11], _r, cos_bit);
btf_16_w16_avx2(cospi_p50_p14, cospi_p14_m50, &x1[12], &x1[13], _r, cos_bit);
btf_16_w16_avx2(cospi_p58_p06, cospi_p06_m58, &x1[14], &x1[15], _r, cos_bit);
// stage 9
output[0] = x1[1];
output[1] = x1[14];
output[2] = x1[3];
output[3] = x1[12];
output[4] = x1[5];
output[5] = x1[10];
output[6] = x1[7];
output[7] = x1[8];
output[8] = x1[9];
output[9] = x1[6];
output[10] = x1[11];
output[11] = x1[4];
output[12] = x1[13];
output[13] = x1[2];
output[14] = x1[15];
output[15] = x1[0];
}
static inline void fidentity16x16_new_avx2(const __m256i *input,
__m256i *output, int8_t cos_bit) {
(void)cos_bit;
const __m256i one = _mm256_set1_epi16(1);
for (int i = 0; i < 16; ++i) {
const __m256i a_lo = _mm256_unpacklo_epi16(input[i], one);
const __m256i a_hi = _mm256_unpackhi_epi16(input[i], one);
const __m256i b_lo = scale_round_avx2(a_lo, 2 * NewSqrt2);
const __m256i b_hi = scale_round_avx2(a_hi, 2 * NewSqrt2);
output[i] = _mm256_packs_epi32(b_lo, b_hi);
}
}
static inline void fidentity16x32_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
(void)cos_bit;
for (int i = 0; i < 32; ++i) {
output[i] = _mm256_slli_epi16(input[i], 2);
}
}
static inline void store_output_32bit_w16(int32_t *const out,
const __m256i *const in1,
const __m256i *const in2,
const int stride,
const int out_size) {
for (int i = 0; i < out_size; ++i) {
_mm256_store_si256((__m256i *)(out + stride * i), in1[i]);
_mm256_store_si256((__m256i *)(out + stride * i + 8), in2[i]);
}
}
// Store 8 16 bit values. Sign extend the values.
static inline void store_buffer_16bit_to_32bit_w16_avx2(const __m256i *const in,
int32_t *out,
const int stride,
const int out_size) {
for (int i = 0; i < out_size; ++i) {
_mm256_store_si256((__m256i *)(out),
_mm256_cvtepi16_epi32(_mm256_castsi256_si128(in[i])));
_mm256_store_si256(
(__m256i *)(out + 8),
_mm256_cvtepi16_epi32(_mm256_extracti128_si256(in[i], 1)));
out += stride;
}
}
static inline void store_rect_16bit_to_32bit_avx2(const __m256i a,
int32_t *const b) {
const __m256i one = _mm256_set1_epi16(1);
const __m256i a_reoder = _mm256_permute4x64_epi64(a, 0xd8);
const __m256i a_lo = _mm256_unpacklo_epi16(a_reoder, one);
const __m256i a_hi = _mm256_unpackhi_epi16(a_reoder, one);
const __m256i b_lo = scale_round_avx2(a_lo, NewSqrt2);
const __m256i b_hi = scale_round_avx2(a_hi, NewSqrt2);
_mm256_store_si256((__m256i *)b, b_lo);
_mm256_store_si256((__m256i *)(b + 8), b_hi);
}
static inline void store_rect_buffer_16bit_to_32bit_w16_avx2(
const __m256i *const in, int32_t *const out, const int stride,
const int out_size) {
for (int i = 0; i < out_size; ++i) {
store_rect_16bit_to_32bit_avx2(in[i], out + i * stride);
}
}
typedef void (*transform_1d_avx2)(const __m256i *input, __m256i *output,
int8_t cos_bit);
static const transform_1d_avx2 col_txfm16x32_arr[TX_TYPES] = {
fdct16x32_avx2, // DCT_DCT
NULL, // ADST_DCT
NULL, // DCT_ADST
NULL, // ADST_ADST
NULL, // FLIPADST_DCT
NULL, // DCT_FLIPADST
NULL, // FLIPADST_FLIPADST
NULL, // ADST_FLIPADST
NULL, // FLIPADST_ADST
fidentity16x32_avx2, // IDTX
fdct16x32_avx2, // V_DCT
fidentity16x32_avx2, // H_DCT
NULL, // V_ADST
NULL, // H_ADST
NULL, // V_FLIPADST
NULL // H_FLIPADST
};
static const transform_1d_avx2 row_txfm16x32_arr[TX_TYPES] = {
fdct16x32_avx2, // DCT_DCT
NULL, // ADST_DCT
NULL, // DCT_ADST
NULL, // ADST_ADST
NULL, // FLIPADST_DCT
NULL, // DCT_FLIPADST
NULL, // FLIPADST_FLIPADST
NULL, // ADST_FLIPADST
NULL, // FLIPADST_ADST
fidentity16x32_avx2, // IDTX
fidentity16x32_avx2, // V_DCT
fdct16x32_avx2, // H_DCT
NULL, // V_ADST
NULL, // H_ADST
NULL, // V_FLIPADST
NULL // H_FLIPADST
};
static const transform_1d_avx2 col_txfm16x16_arr[TX_TYPES] = {
fdct16x16_new_avx2, // DCT_DCT
fadst16x16_new_avx2, // ADST_DCT
fdct16x16_new_avx2, // DCT_ADST
fadst16x16_new_avx2, // ADST_ADST
fadst16x16_new_avx2, // FLIPADST_DCT
fdct16x16_new_avx2, // DCT_FLIPADST
fadst16x16_new_avx2, // FLIPADST_FLIPADST
fadst16x16_new_avx2, // ADST_FLIPADST
fadst16x16_new_avx2, // FLIPADST_ADST
fidentity16x16_new_avx2, // IDTX
fdct16x16_new_avx2, // V_DCT
fidentity16x16_new_avx2, // H_DCT
fadst16x16_new_avx2, // V_ADST
fidentity16x16_new_avx2, // H_ADST
fadst16x16_new_avx2, // V_FLIPADST
fidentity16x16_new_avx2 // H_FLIPADST
};
static const transform_1d_avx2 row_txfm16x16_arr[TX_TYPES] = {
fdct16x16_new_avx2, // DCT_DCT
fdct16x16_new_avx2, // ADST_DCT
fadst16x16_new_avx2, // DCT_ADST
fadst16x16_new_avx2, // ADST_ADST
fdct16x16_new_avx2, // FLIPADST_DCT
fadst16x16_new_avx2, // DCT_FLIPADST
fadst16x16_new_avx2, // FLIPADST_FLIPADST
fadst16x16_new_avx2, // ADST_FLIPADST
fadst16x16_new_avx2, // FLIPADST_ADST
fidentity16x16_new_avx2, // IDTX
fidentity16x16_new_avx2, // V_DCT
fdct16x16_new_avx2, // H_DCT
fidentity16x16_new_avx2, // V_ADST
fadst16x16_new_avx2, // H_ADST
fidentity16x16_new_avx2, // V_FLIPADST
fadst16x16_new_avx2 // H_FLIPADST
};
static const transform_1d_sse2 col_txfm8x8_arr[TX_TYPES] = {
fdct8x8_new_sse2, // DCT_DCT
fadst8x8_new_sse2, // ADST_DCT
fdct8x8_new_sse2, // DCT_ADST
fadst8x8_new_sse2, // ADST_ADST
fadst8x8_new_sse2, // FLIPADST_DCT
fdct8x8_new_sse2, // DCT_FLIPADST
fadst8x8_new_sse2, // FLIPADST_FLIPADST
fadst8x8_new_sse2, // ADST_FLIPADST
fadst8x8_new_sse2, // FLIPADST_ADST
fidentity8x8_new_sse2, // IDTX
fdct8x8_new_sse2, // V_DCT
fidentity8x8_new_sse2, // H_DCT
fadst8x8_new_sse2, // V_ADST
fidentity8x8_new_sse2, // H_ADST
fadst8x8_new_sse2, // V_FLIPADST
fidentity8x8_new_sse2, // H_FLIPADST
};
static const transform_1d_sse2 row_txfm8x8_arr[TX_TYPES] = {
fdct8x8_new_sse2, // DCT_DCT
fdct8x8_new_sse2, // ADST_DCT
fadst8x8_new_sse2, // DCT_ADST
fadst8x8_new_sse2, // ADST_ADST
fdct8x8_new_sse2, // FLIPADST_DCT
fadst8x8_new_sse2, // DCT_FLIPADST
fadst8x8_new_sse2, // FLIPADST_FLIPADST
fadst8x8_new_sse2, // ADST_FLIPADST
fadst8x8_new_sse2, // FLIPADST_ADST
fidentity8x8_new_sse2, // IDTX
fidentity8x8_new_sse2, // V_DCT
fdct8x8_new_sse2, // H_DCT
fidentity8x8_new_sse2, // V_ADST
fadst8x8_new_sse2, // H_ADST
fidentity8x8_new_sse2, // V_FLIPADST
fadst8x8_new_sse2 // H_FLIPADST
};
static inline void load_buffer_and_round_shift(const int16_t *in, int stride,
__m128i *out, int bit) {
out[0] = _mm_load_si128((const __m128i *)(in + 0 * stride));
out[1] = _mm_load_si128((const __m128i *)(in + 1 * stride));
out[2] = _mm_load_si128((const __m128i *)(in + 2 * stride));
out[3] = _mm_load_si128((const __m128i *)(in + 3 * stride));
out[4] = _mm_load_si128((const __m128i *)(in + 4 * stride));
out[5] = _mm_load_si128((const __m128i *)(in + 5 * stride));
out[6] = _mm_load_si128((const __m128i *)(in + 6 * stride));
out[7] = _mm_load_si128((const __m128i *)(in + 7 * stride));
out[0] = _mm_slli_epi16(out[0], bit);
out[1] = _mm_slli_epi16(out[1], bit);
out[2] = _mm_slli_epi16(out[2], bit);
out[3] = _mm_slli_epi16(out[3], bit);
out[4] = _mm_slli_epi16(out[4], bit);
out[5] = _mm_slli_epi16(out[5], bit);
out[6] = _mm_slli_epi16(out[6], bit);
out[7] = _mm_slli_epi16(out[7], bit);
}
static inline void load_buffer_and_flip_round_shift(const int16_t *in,
int stride, __m128i *out,
int bit) {
out[7] = load_16bit_to_16bit(in + 0 * stride);
out[6] = load_16bit_to_16bit(in + 1 * stride);
out[5] = load_16bit_to_16bit(in + 2 * stride);
out[4] = load_16bit_to_16bit(in + 3 * stride);
out[3] = load_16bit_to_16bit(in + 4 * stride);
out[2] = load_16bit_to_16bit(in + 5 * stride);
out[1] = load_16bit_to_16bit(in + 6 * stride);
out[0] = load_16bit_to_16bit(in + 7 * stride);
out[7] = _mm_slli_epi16(out[7], bit);
out[6] = _mm_slli_epi16(out[6], bit);
out[5] = _mm_slli_epi16(out[5], bit);
out[4] = _mm_slli_epi16(out[4], bit);
out[3] = _mm_slli_epi16(out[3], bit);
out[2] = _mm_slli_epi16(out[2], bit);
out[1] = _mm_slli_epi16(out[1], bit);
out[0] = _mm_slli_epi16(out[0], bit);
}
#define TRANSPOSE_8X8_AVX2() \
{ \
/* aa0: 00 10 01 11 02 12 03 13 | 40 50 41 51 42 52 43 53*/ \
/* aa1: 04 14 05 15 06 16 07 17 | 44 54 45 55 46 56 47 57*/ \
/* aa2: 20 30 21 31 22 32 23 33 | 60 70 61 71 62 72 63 73*/ \
/* aa3: 24 34 25 35 26 36 27 37 | 64 74 65 75 66 76 67 77*/ \
const __m256i aa0 = _mm256_unpacklo_epi16(b0, b1); \
const __m256i aa1 = _mm256_unpackhi_epi16(b0, b1); \
const __m256i aa2 = _mm256_unpacklo_epi16(b2, b3); \
const __m256i aa3 = _mm256_unpackhi_epi16(b2, b3); \
/* Unpack 32 bit elements resulting in: */ \
/* bb0: 00 10 20 30 01 11 21 31 | 40 50 60 70 41 51 61 71*/ \
/* bb1: 02 12 22 32 03 13 23 33 | 42 52 62 72 43 53 63 73*/ \
/* bb2: 04 14 24 34 05 15 25 35 | 44 54 64 74 45 55 65 75*/ \
/* bb2: 06 16 26 36 07 17 27 37 | 46 56 66 76 47 57 67 77*/ \
const __m256i bb0 = _mm256_unpacklo_epi32(aa0, aa2); \
const __m256i bb1 = _mm256_unpackhi_epi32(aa0, aa2); \
const __m256i bb2 = _mm256_unpacklo_epi32(aa1, aa3); \
const __m256i bb3 = _mm256_unpackhi_epi32(aa1, aa3); \
/* bb0: 00 10 20 30 40 50 60 70| 01 11 21 31 41 51 61 71*/ \
/* bb1: 02 12 22 32 42 52 62 72| 03 13 23 33 43 53 63 73*/ \
/* bb2: 04 14 24 34 44 54 64 74| 05 15 25 35 45 55 65 75*/ \
/* bb2: 06 16 26 36 46 56 66 76| 07 17 27 37 47 57 67 77*/ \
c0 = _mm256_permute4x64_epi64(bb0, 0xd8); \
c1 = _mm256_permute4x64_epi64(bb1, 0xd8); \
c2 = _mm256_permute4x64_epi64(bb2, 0xd8); \
c3 = _mm256_permute4x64_epi64(bb3, 0xd8); \
}
static inline void transpose_round_shift_flip_8x8(__m128i *const in,
__m128i *const out, int bit) {
__m256i c0, c1, c2, c3;
bit = -bit;
const __m256i rounding = _mm256_set1_epi16(1 << (bit - 1));
const __m256i s04 =
_mm256_insertf128_si256(_mm256_castsi128_si256(in[0]), in[4], 0x1);
const __m256i s15 =
_mm256_insertf128_si256(_mm256_castsi128_si256(in[1]), in[5], 0x1);
const __m256i s26 =
_mm256_insertf128_si256(_mm256_castsi128_si256(in[2]), in[6], 0x1);
const __m256i s37 =
_mm256_insertf128_si256(_mm256_castsi128_si256(in[3]), in[7], 0x1);
const __m256i a0 = _mm256_adds_epi16(s04, rounding);
const __m256i a1 = _mm256_adds_epi16(s15, rounding);
const __m256i a2 = _mm256_adds_epi16(s26, rounding);
const __m256i a3 = _mm256_adds_epi16(s37, rounding);
// b0: 00 01 02 03 04 05 06 07 | 40 41 42 43 44 45 46 47
// b1: 10 11 12 13 14 15 16 17 | 50 51 52 53 54 55 56 57
// b2: 20 21 22 23 24 25 26 27 | 60 61 62 63 64 65 66 67
// b3: 30 31 32 33 34 35 36 37 | 70 71 72 73 74 75 76 77
const __m256i b0 = _mm256_srai_epi16(a0, bit);
const __m256i b1 = _mm256_srai_epi16(a1, bit);
const __m256i b2 = _mm256_srai_epi16(a2, bit);
const __m256i b3 = _mm256_srai_epi16(a3, bit);
TRANSPOSE_8X8_AVX2()
// Unpack 64 bit elements resulting in:
// out[7]: 00 10 20 30 40 50 60 70
// out[6]: 01 11 21 31 41 51 61 71
// out[5]: 02 12 22 32 42 52 62 72
// out[4]: 03 13 23 33 43 53 63 73
// out[3]: 04 14 24 34 44 54 64 74
// out[2]: 05 15 25 35 45 55 65 75
// out[1]: 06 16 26 36 46 56 66 76
// out[0]: 07 17 27 37 47 57 67 77
out[7] = _mm256_castsi256_si128(c0);
out[6] = _mm256_extractf128_si256(c0, 1);
out[5] = _mm256_castsi256_si128(c1);
out[4] = _mm256_extractf128_si256(c1, 1);
out[3] = _mm256_castsi256_si128(c2);
out[2] = _mm256_extractf128_si256(c2, 1);
out[1] = _mm256_castsi256_si128(c3);
out[0] = _mm256_extractf128_si256(c3, 1);
}
static inline void transpose_round_shift_8x8(__m128i *const in,
__m128i *const out, int bit) {
__m256i c0, c1, c2, c3;
bit = -bit;
const __m256i rounding = _mm256_set1_epi16(1 << (bit - 1));
const __m256i s04 =
_mm256_insertf128_si256(_mm256_castsi128_si256(in[0]), in[4], 0x1);
const __m256i s15 =
_mm256_insertf128_si256(_mm256_castsi128_si256(in[1]), in[5], 0x1);
const __m256i s26 =
_mm256_insertf128_si256(_mm256_castsi128_si256(in[2]), in[6], 0x1);
const __m256i s37 =
_mm256_insertf128_si256(_mm256_castsi128_si256(in[3]), in[7], 0x1);
const __m256i a0 = _mm256_adds_epi16(s04, rounding);
const __m256i a1 = _mm256_adds_epi16(s15, rounding);
const __m256i a2 = _mm256_adds_epi16(s26, rounding);
const __m256i a3 = _mm256_adds_epi16(s37, rounding);
// b0: 00 01 02 03 04 05 06 07 | 40 41 42 43 44 45 46 47
// b1: 10 11 12 13 14 15 16 17 | 50 51 52 53 54 55 56 57
// b2: 20 21 22 23 24 25 26 27 | 60 61 62 63 64 65 66 67
// b3: 30 31 32 33 34 35 36 37 | 70 71 72 73 74 75 76 77
const __m256i b0 = _mm256_srai_epi16(a0, bit);
const __m256i b1 = _mm256_srai_epi16(a1, bit);
const __m256i b2 = _mm256_srai_epi16(a2, bit);
const __m256i b3 = _mm256_srai_epi16(a3, bit);
TRANSPOSE_8X8_AVX2()
// Unpack 64 bit elements resulting in:
// out[7]: 00 10 20 30 40 50 60 70
// out[6]: 01 11 21 31 41 51 61 71
// out[5]: 02 12 22 32 42 52 62 72
// out[4]: 03 13 23 33 43 53 63 73
// out[3]: 04 14 24 34 44 54 64 74
// out[2]: 05 15 25 35 45 55 65 75
// out[1]: 06 16 26 36 46 56 66 76
// out[0]: 07 17 27 37 47 57 67 77
out[0] = _mm256_castsi256_si128(c0);
out[1] = _mm256_extractf128_si256(c0, 1);
out[2] = _mm256_castsi256_si128(c1);
out[3] = _mm256_extractf128_si256(c1, 1);
out[4] = _mm256_castsi256_si128(c2);
out[5] = _mm256_extractf128_si256(c2, 1);
out[6] = _mm256_castsi256_si128(c3);
out[7] = _mm256_extractf128_si256(c3, 1);
}
static inline void store_buffer_16bit_to_32bit_w8_avx2(const __m128i *const in,
int32_t *const out,
const int stride,
const int out_size) {
for (int i = 0; i < out_size; ++i) {
_mm256_store_si256((__m256i *)(out + i * stride),
_mm256_cvtepi16_epi32(in[i]));
}
}
static void av1_lowbd_fwd_txfm2d_8x8_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
__m128i buf0[8], buf1[8], *buf;
const int8_t *shift = av1_fwd_txfm_shift_ls[TX_8X8];
const int txw_idx = get_txw_idx(TX_8X8);
const int txh_idx = get_txh_idx(TX_8X8);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const transform_1d_sse2 col_txfm = col_txfm8x8_arr[tx_type];
const transform_1d_sse2 row_txfm = row_txfm8x8_arr[tx_type];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// Condition to check shift bit is avoided while round shifting, by assuming
// that shift[0] will always be positive.
assert(shift[0] > 0);
if (ud_flip)
load_buffer_and_flip_round_shift(input, stride, buf0, shift[0]);
else
load_buffer_and_round_shift(input, stride, buf0, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
// Condition to check shift bit is avoided while round shifting, by assuming
// that shift[1] will always be negative.
assert(shift[1] < 0);
if (lr_flip) {
transpose_round_shift_flip_8x8(buf0, buf1, shift[1]);
} else {
transpose_round_shift_8x8(buf0, buf1, shift[1]);
}
buf = buf1;
row_txfm(buf, buf, cos_bit_row);
// Round and shift operation is avoided here as the shift bit is assumed to be
// zero always.
assert(shift[2] == 0);
store_buffer_16bit_to_32bit_w8_avx2(buf, output, 8, 8);
}
static void lowbd_fwd_txfm2d_16x16_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
const TX_SIZE tx_size = TX_16X16;
__m256i buf0[16], buf1[16];
const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const transform_1d_avx2 col_txfm = col_txfm16x16_arr[tx_type];
const transform_1d_avx2 row_txfm = row_txfm16x16_arr[tx_type];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
const int32_t i = 0;
if (ud_flip) {
load_buffer_16bit_to_16bit_flip_avx2(input + 16 * i, stride, buf0, height);
} else {
load_buffer_16bit_to_16bit_avx2(input + 16 * i, stride, buf0, height);
}
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
transpose_16bit_16x16_avx2(buf0, buf1 + 0 * width + 16 * i);
__m256i *buf;
if (lr_flip) {
buf = buf0;
flip_buf_avx2(buf1 + width * i, buf, width);
} else {
buf = buf1 + width * i;
}
row_txfm(buf, buf, cos_bit_row);
round_shift_16bit_w16_avx2(buf, width, shift[2]);
store_buffer_16bit_to_32bit_w16_avx2(buf, output + i * 16, height, width);
}
static void lowbd_fwd_txfm2d_32x32_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
const TX_SIZE tx_size = TX_32X32;
__m256i buf0[32], buf1[128];
const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const transform_1d_avx2 col_txfm = col_txfm16x32_arr[tx_type];
const transform_1d_avx2 row_txfm = row_txfm16x32_arr[tx_type];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
for (int i = 0; i < 2; i++) {
if (ud_flip) {
load_buffer_16bit_to_16bit_flip_avx2(input + 16 * i, stride, buf0,
height);
} else {
load_buffer_16bit_to_16bit_avx2(input + 16 * i, stride, buf0, height);
}
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
transpose_16bit_16x16_avx2(buf0 + 0 * 16, buf1 + 0 * width + 16 * i);
transpose_16bit_16x16_avx2(buf0 + 1 * 16, buf1 + 1 * width + 16 * i);
}
for (int i = 0; i < 2; i++) {
__m256i *buf;
if (lr_flip) {
buf = buf0;
flip_buf_avx2(buf1 + width * i, buf, width);
} else {
buf = buf1 + width * i;
}
row_txfm(buf, buf, cos_bit_row);
round_shift_16bit_w16_avx2(buf, width, shift[2]);
store_buffer_16bit_to_32bit_w16_avx2(buf, output + i * 16, height, width);
}
}
static void lowbd_fwd_txfm2d_64x64_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
(void)tx_type;
assert(tx_type == DCT_DCT);
const TX_SIZE tx_size = TX_64X64;
__m256i buf0[64], buf1[256];
const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const transform_1d_avx2 col_txfm = fdct16x64_new_avx2;
const int width_div16 = (width >> 4);
const int height_div16 = (height >> 4);
for (int i = 0; i < width_div16; i++) {
load_buffer_16bit_to_16bit_avx2(input + 16 * i, stride, buf0, height);
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
for (int j = 0; j < AOMMIN(2, height_div16); ++j) {
transpose_16bit_16x16_avx2(buf0 + j * 16, buf1 + j * width + 16 * i);
}
}
for (int i = 0; i < AOMMIN(2, height_div16); i++) {
__m256i bufA[64];
__m256i bufB[64];
__m128i *buf = (__m128i *)(buf1 + width * i);
for (int j = 0; j < width; ++j) {
bufA[j] = _mm256_cvtepi16_epi32(buf[j * 2]);
bufB[j] = _mm256_cvtepi16_epi32(buf[j * 2 + 1]);
}
fdct64_new_avx2(bufA, bufA, cos_bit_row);
fdct64_new_avx2(bufB, bufB, cos_bit_row);
round_shift_array_32_avx2(bufA, bufA, 32, -shift[2]);
round_shift_array_32_avx2(bufB, bufB, 32, -shift[2]);
store_output_32bit_w16(output + i * 16, bufA, bufB, 32, 32);
}
}
static void lowbd_fwd_txfm2d_16x32_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
const TX_SIZE tx_size = TX_16X32;
__m256i buf0[32], buf1[32];
const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const transform_1d_avx2 col_txfm = col_txfm16x32_arr[tx_type];
const transform_1d_avx2 row_txfm = row_txfm16x16_arr[tx_type];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
if (ud_flip) {
load_buffer_16bit_to_16bit_flip_avx2(input, stride, buf0, height);
} else {
load_buffer_16bit_to_16bit_avx2(input, stride, buf0, height);
}
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
transpose_16bit_16x16_avx2(buf0, buf1);
transpose_16bit_16x16_avx2(buf0 + 16, buf1 + 16);
for (int i = 0; i < 2; i++) {
__m256i *buf;
if (lr_flip) {
buf = buf0;
flip_buf_avx2(buf1 + width * i, buf, width);
} else {
buf = buf1 + width * i;
}
row_txfm(buf, buf, cos_bit_row);
round_shift_16bit_w16_avx2(buf, width, shift[2]);
store_rect_buffer_16bit_to_32bit_w16_avx2(buf, output + i * 16, height,
width);
}
}
static void lowbd_fwd_txfm2d_32x16_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
__m256i buf0[32], buf1[64];
const int8_t *shift = av1_fwd_txfm_shift_ls[TX_32X16];
const int txw_idx = get_txw_idx(TX_32X16);
const int txh_idx = get_txh_idx(TX_32X16);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = 32;
const int height = 16;
const transform_1d_avx2 col_txfm = col_txfm16x16_arr[tx_type];
const transform_1d_avx2 row_txfm = row_txfm16x32_arr[tx_type];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
for (int i = 0; i < 2; i++) {
if (ud_flip) {
load_buffer_16bit_to_16bit_flip_avx2(input + 16 * i, stride, buf0,
height);
} else {
load_buffer_16bit_to_16bit_avx2(input + 16 * i, stride, buf0, height);
}
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
transpose_16bit_16x16_avx2(buf0, buf1 + 0 * width + 16 * i);
}
__m256i *buf;
if (lr_flip) {
buf = buf0;
flip_buf_avx2(buf1, buf, width);
} else {
buf = buf1;
}
row_txfm(buf, buf, cos_bit_row);
round_shift_16bit_w16_avx2(buf, width, shift[2]);
store_rect_buffer_16bit_to_32bit_w16_avx2(buf, output, height, width);
}
static void lowbd_fwd_txfm2d_64x32_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
const TX_SIZE tx_size = TX_64X32;
__m256i buf0[64], buf1[256];
const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const transform_1d_avx2 col_txfm = col_txfm16x32_arr[tx_type];
const int width_div16 = (width >> 4);
const int height_div16 = (height >> 4);
for (int i = 0; i < width_div16; i++) {
load_buffer_16bit_to_16bit_avx2(input + 16 * i, stride, buf0, height);
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
for (int j = 0; j < AOMMIN(4, height_div16); ++j) {
transpose_16bit_16x16_avx2(buf0 + j * 16, buf1 + j * width + 16 * i);
}
}
assert(tx_type == DCT_DCT);
for (int i = 0; i < AOMMIN(2, height_div16); i++) {
__m256i bufA[64];
__m256i bufB[64];
__m128i *buf = (__m128i *)(buf1 + width * i);
for (int j = 0; j < width; ++j) {
bufA[j] = _mm256_cvtepi16_epi32(buf[j * 2]);
bufB[j] = _mm256_cvtepi16_epi32(buf[j * 2 + 1]);
}
fdct64_new_avx2(bufA, bufA, cos_bit_row);
fdct64_new_avx2(bufB, bufB, cos_bit_row);
round_shift_rect_array_32_avx2(bufA, bufA, 32, -shift[2], NewSqrt2);
round_shift_rect_array_32_avx2(bufB, bufB, 32, -shift[2], NewSqrt2);
store_output_32bit_w16(output + i * 16, bufA, bufB, 32, 32);
}
}
static void lowbd_fwd_txfm2d_32x64_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
(void)tx_type;
assert(tx_type == DCT_DCT);
const TX_SIZE tx_size = TX_32X64;
__m256i buf0[64], buf1[256];
const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const transform_1d_avx2 col_txfm = fdct16x64_new_avx2;
const int width_div16 = (width >> 4);
const int height_div16 = (height >> 4);
for (int i = 0; i < width_div16; i++) {
load_buffer_16bit_to_16bit_avx2(input + 16 * i, stride, buf0, height);
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
for (int j = 0; j < AOMMIN(2, height_div16); ++j) {
transpose_16bit_16x16_avx2(buf0 + j * 16, buf1 + j * width + 16 * i);
}
}
for (int i = 0; i < AOMMIN(2, height_div16); i++) {
__m256i bufA[32];
__m256i bufB[32];
__m128i *buf = (__m128i *)(buf1 + width * i);
for (int j = 0; j < width; ++j) {
bufA[j] = _mm256_cvtepi16_epi32(buf[j * 2]);
bufB[j] = _mm256_cvtepi16_epi32(buf[j * 2 + 1]);
}
fdct32_avx2(bufA, bufA, cos_bit_row);
fdct32_avx2(bufB, bufB, cos_bit_row);
round_shift_rect_array_32_avx2(bufA, bufA, 32, -shift[2], NewSqrt2);
round_shift_rect_array_32_avx2(bufB, bufB, 32, -shift[2], NewSqrt2);
store_output_32bit_w16(output + i * 16, bufA, bufB, 32, 32);
}
}
static void lowbd_fwd_txfm2d_16x64_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
(void)tx_type;
assert(tx_type == DCT_DCT);
const TX_SIZE tx_size = TX_16X64;
__m256i buf0[64], buf1[64];
const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const transform_1d_avx2 col_txfm = fdct16x64_new_avx2;
const transform_1d_avx2 row_txfm = fdct16x16_new_avx2;
const int width_div16 = (width >> 4);
const int height_div16 = (height >> 4);
for (int i = 0; i < width_div16; i++) {
load_buffer_16bit_to_16bit_avx2(input + 16 * i, stride, buf0, height);
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
for (int j = 0; j < height_div16; ++j) {
transpose_16bit_16x16_avx2(buf0 + j * 16, buf1 + j * width + 16 * i);
}
}
for (int i = 0; i < AOMMIN(2, height_div16); i++) {
__m256i *buf = buf1 + width * i;
row_txfm(buf, buf, cos_bit_row);
round_shift_16bit_w16_avx2(buf, width, shift[2]);
store_buffer_16bit_to_32bit_w16_avx2(buf, output + width * i, 32, width);
}
}
static void lowbd_fwd_txfm2d_64x16_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
(void)tx_type;
assert(tx_type == DCT_DCT);
const TX_SIZE tx_size = TX_64X16;
__m256i buf0[64], buf1[64];
const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size];
const int txw_idx = get_txw_idx(tx_size);
const int txh_idx = get_txh_idx(tx_size);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const transform_1d_avx2 col_txfm = fdct16x16_new_avx2;
const transform_1d_avx2 row_txfm = fdct16x64_new_avx2;
const int width_div16 = (width >> 4);
const int height_div16 = (height >> 4);
for (int i = 0; i < width_div16; i++) {
load_buffer_16bit_to_16bit_avx2(input + 16 * i, stride, buf0, height);
round_shift_16bit_w16_avx2(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit_w16_avx2(buf0, height, shift[1]);
for (int j = 0; j < height_div16; ++j) {
transpose_16bit_16x16_avx2(buf0 + j * 16, buf1 + j * width + 16 * i);
}
}
for (int i = 0; i < height_div16; i++) {
__m256i *buf = buf1 + width * i;
row_txfm(buf, buf, cos_bit_row);
round_shift_16bit_w16_avx2(buf, width, shift[2]);
store_buffer_16bit_to_32bit_w16_avx2(buf, output + 16 * i, 16, 32);
}
// Zero out the bottom 16x32 area.
memset(output + 16 * 32, 0, 16 * 32 * sizeof(*output));
}
static inline void btf_16_avx2(__m256i *w0, __m256i *w1, __m256i *in0,
__m256i *in1, __m128i *out0, __m128i *out1,
__m128i *out2, __m128i *out3,
const __m256i *__rounding, int8_t *cos_bit) {
__m256i t0 = _mm256_unpacklo_epi16(*in0, *in1);
__m256i t1 = _mm256_unpackhi_epi16(*in0, *in1);
__m256i u0 = _mm256_madd_epi16(t0, *w0);
__m256i u1 = _mm256_madd_epi16(t1, *w0);
__m256i v0 = _mm256_madd_epi16(t0, *w1);
__m256i v1 = _mm256_madd_epi16(t1, *w1);
__m256i a0 = _mm256_add_epi32(u0, *__rounding);
__m256i a1 = _mm256_add_epi32(u1, *__rounding);
__m256i b0 = _mm256_add_epi32(v0, *__rounding);
__m256i b1 = _mm256_add_epi32(v1, *__rounding);
__m256i c0 = _mm256_srai_epi32(a0, *cos_bit);
__m256i c1 = _mm256_srai_epi32(a1, *cos_bit);
__m256i d0 = _mm256_srai_epi32(b0, *cos_bit);
__m256i d1 = _mm256_srai_epi32(b1, *cos_bit);
__m256i temp0 = _mm256_packs_epi32(c0, c1);
__m256i temp1 = _mm256_packs_epi32(d0, d1);
*out0 = _mm256_castsi256_si128(temp0);
*out1 = _mm256_castsi256_si128(temp1);
*out2 = _mm256_extracti128_si256(temp0, 0x01);
*out3 = _mm256_extracti128_si256(temp1, 0x01);
}
static inline void fdct8x8_new_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i __rounding = _mm256_set1_epi32(1 << (cos_bit - 1));
__m256i cospi_m32_p32 = pair_set_w16_epi16(-cospi[32], cospi[32]);
__m256i cospi_p32_p32 = pair_set_w16_epi16(cospi[32], cospi[32]);
__m256i cospi_p32_m32 = pair_set_w16_epi16(cospi[32], -cospi[32]);
__m256i cospi_p48_p16 = pair_set_w16_epi16(cospi[48], cospi[16]);
__m256i cospi_m16_p48 = pair_set_w16_epi16(-cospi[16], cospi[48]);
__m256i cospi_p56_p08 = pair_set_w16_epi16(cospi[56], cospi[8]);
__m256i cospi_m08_p56 = pair_set_w16_epi16(-cospi[8], cospi[56]);
__m256i cospi_p24_p40 = pair_set_w16_epi16(cospi[24], cospi[40]);
__m256i cospi_m40_p24 = pair_set_w16_epi16(-cospi[40], cospi[24]);
// stage 1
__m256i x1[8];
x1[0] = _mm256_adds_epi16(input[0], input[7]);
x1[7] = _mm256_subs_epi16(input[0], input[7]);
x1[1] = _mm256_adds_epi16(input[1], input[6]);
x1[6] = _mm256_subs_epi16(input[1], input[6]);
x1[2] = _mm256_adds_epi16(input[2], input[5]);
x1[5] = _mm256_subs_epi16(input[2], input[5]);
x1[3] = _mm256_adds_epi16(input[3], input[4]);
x1[4] = _mm256_subs_epi16(input[3], input[4]);
// stage 2
__m256i x2[8];
x2[0] = _mm256_adds_epi16(x1[0], x1[3]);
x2[3] = _mm256_subs_epi16(x1[0], x1[3]);
x2[1] = _mm256_adds_epi16(x1[1], x1[2]);
x2[2] = _mm256_subs_epi16(x1[1], x1[2]);
x2[4] = x1[4];
btf_16_w16_avx2(cospi_m32_p32, cospi_p32_p32, &x1[5], &x1[6], __rounding,
cos_bit);
x2[5] = x1[5];
x2[6] = x1[6];
x2[7] = x1[7];
// stage 3
__m256i x3[8];
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x2[0], &x2[1], __rounding,
cos_bit);
x3[0] = x2[0];
x3[1] = x2[1];
btf_16_w16_avx2(cospi_p48_p16, cospi_m16_p48, &x2[2], &x2[3], __rounding,
cos_bit);
x3[2] = x2[2];
x3[3] = x2[3];
x3[4] = _mm256_adds_epi16(x2[4], x2[5]);
x3[5] = _mm256_subs_epi16(x2[4], x2[5]);
x3[6] = _mm256_subs_epi16(x2[7], x2[6]);
x3[7] = _mm256_adds_epi16(x2[7], x2[6]);
// stage 4
__m256i x4[8];
x4[0] = x3[0];
x4[1] = x3[1];
x4[2] = x3[2];
x4[3] = x3[3];
btf_16_w16_avx2(cospi_p56_p08, cospi_m08_p56, &x3[4], &x3[7], __rounding,
cos_bit);
x4[4] = x3[4];
x4[7] = x3[7];
btf_16_w16_avx2(cospi_p24_p40, cospi_m40_p24, &x3[5], &x3[6], __rounding,
cos_bit);
x4[5] = x3[5];
x4[6] = x3[6];
// stage 5
output[0] = x4[0];
output[1] = x4[4];
output[2] = x4[2];
output[3] = x4[6];
output[4] = x4[1];
output[5] = x4[5];
output[6] = x4[3];
output[7] = x4[7];
}
static inline void fadst8x8_new_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i __zero = _mm256_setzero_si256();
const __m256i __rounding = _mm256_set1_epi32(1 << (cos_bit - 1));
__m256i cospi_p32_p32 = pair_set_w16_epi16(cospi[32], cospi[32]);
__m256i cospi_p32_m32 = pair_set_w16_epi16(cospi[32], -cospi[32]);
__m256i cospi_p16_p48 = pair_set_w16_epi16(cospi[16], cospi[48]);
__m256i cospi_p48_m16 = pair_set_w16_epi16(cospi[48], -cospi[16]);
__m256i cospi_m48_p16 = pair_set_w16_epi16(-cospi[48], cospi[16]);
__m256i cospi_p04_p60 = pair_set_w16_epi16(cospi[4], cospi[60]);
__m256i cospi_p60_m04 = pair_set_w16_epi16(cospi[60], -cospi[4]);
__m256i cospi_p20_p44 = pair_set_w16_epi16(cospi[20], cospi[44]);
__m256i cospi_p44_m20 = pair_set_w16_epi16(cospi[44], -cospi[20]);
__m256i cospi_p36_p28 = pair_set_w16_epi16(cospi[36], cospi[28]);
__m256i cospi_p28_m36 = pair_set_w16_epi16(cospi[28], -cospi[36]);
__m256i cospi_p52_p12 = pair_set_w16_epi16(cospi[52], cospi[12]);
__m256i cospi_p12_m52 = pair_set_w16_epi16(cospi[12], -cospi[52]);
// stage 1
__m256i x1[8];
x1[0] = input[0];
x1[1] = _mm256_subs_epi16(__zero, input[7]);
x1[2] = _mm256_subs_epi16(__zero, input[3]);
x1[3] = input[4];
x1[4] = _mm256_subs_epi16(__zero, input[1]);
x1[5] = input[6];
x1[6] = input[2];
x1[7] = _mm256_subs_epi16(__zero, input[5]);
// stage 2
__m256i x2[8];
x2[0] = x1[0];
x2[1] = x1[1];
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[2], &x1[3], __rounding,
cos_bit);
x2[2] = x1[2];
x2[3] = x1[3];
x2[4] = x1[4];
x2[5] = x1[5];
btf_16_w16_avx2(cospi_p32_p32, cospi_p32_m32, &x1[6], &x1[7], __rounding,
cos_bit);
x2[6] = x1[6];
x2[7] = x1[7];
// stage 3
__m256i x3[8];
x3[0] = _mm256_adds_epi16(x2[0], x2[2]);
x3[2] = _mm256_subs_epi16(x2[0], x2[2]);
x3[1] = _mm256_adds_epi16(x2[1], x2[3]);
x3[3] = _mm256_subs_epi16(x2[1], x2[3]);
x3[4] = _mm256_adds_epi16(x2[4], x2[6]);
x3[6] = _mm256_subs_epi16(x2[4], x2[6]);
x3[5] = _mm256_adds_epi16(x2[5], x2[7]);
x3[7] = _mm256_subs_epi16(x2[5], x2[7]);
// stage 4
__m256i x4[8];
x4[0] = x3[0];
x4[1] = x3[1];
x4[2] = x3[2];
x4[3] = x3[3];
btf_16_w16_avx2(cospi_p16_p48, cospi_p48_m16, &x3[4], &x3[5], __rounding,
cos_bit);
x4[4] = x3[4];
x4[5] = x3[5];
btf_16_w16_avx2(cospi_m48_p16, cospi_p16_p48, &x3[6], &x3[7], __rounding,
cos_bit);
x4[6] = x3[6];
x4[7] = x3[7];
// stage 5
__m256i x5[8];
x5[0] = _mm256_adds_epi16(x4[0], x4[4]);
x5[4] = _mm256_subs_epi16(x4[0], x4[4]);
x5[1] = _mm256_adds_epi16(x4[1], x4[5]);
x5[5] = _mm256_subs_epi16(x4[1], x4[5]);
x5[2] = _mm256_adds_epi16(x4[2], x4[6]);
x5[6] = _mm256_subs_epi16(x4[2], x4[6]);
x5[3] = _mm256_adds_epi16(x4[3], x4[7]);
x5[7] = _mm256_subs_epi16(x4[3], x4[7]);
// stage 6
__m256i x6[8];
btf_16_w16_avx2(cospi_p04_p60, cospi_p60_m04, &x5[0], &x5[1], __rounding,
cos_bit);
x6[0] = x5[0];
x6[1] = x5[1];
btf_16_w16_avx2(cospi_p20_p44, cospi_p44_m20, &x5[2], &x5[3], __rounding,
cos_bit);
x6[2] = x5[2];
x6[3] = x5[3];
btf_16_w16_avx2(cospi_p36_p28, cospi_p28_m36, &x5[4], &x5[5], __rounding,
cos_bit);
x6[4] = x5[4];
x6[5] = x5[5];
btf_16_w16_avx2(cospi_p52_p12, cospi_p12_m52, &x5[6], &x5[7], __rounding,
cos_bit);
x6[6] = x5[6];
x6[7] = x5[7];
// stage 7
output[0] = x6[1];
output[1] = x6[6];
output[2] = x6[3];
output[3] = x6[4];
output[4] = x6[5];
output[5] = x6[2];
output[6] = x6[7];
output[7] = x6[0];
}
static inline void fidentity8x8_new_avx2(const __m256i *input, __m256i *output,
int8_t cos_bit) {
(void)cos_bit;
output[0] = _mm256_adds_epi16(input[0], input[0]);
output[1] = _mm256_adds_epi16(input[1], input[1]);
output[2] = _mm256_adds_epi16(input[2], input[2]);
output[3] = _mm256_adds_epi16(input[3], input[3]);
output[4] = _mm256_adds_epi16(input[4], input[4]);
output[5] = _mm256_adds_epi16(input[5], input[5]);
output[6] = _mm256_adds_epi16(input[6], input[6]);
output[7] = _mm256_adds_epi16(input[7], input[7]);
}
static inline void fdct8x16_new_avx2(const __m128i *input, __m128i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i __rounding_256 = _mm256_set1_epi32(1 << (cos_bit - 1));
const __m128i __rounding = _mm_set1_epi32(1 << (cos_bit - 1));
__m128i temp0, temp1, temp2, temp3;
__m256i in0, in1;
__m128i cospi_m32_p32 = pair_set_epi16(-cospi[32], cospi[32]);
__m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]);
__m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]);
__m128i cospi_p48_p16 = pair_set_epi16(cospi[48], cospi[16]);
__m128i cospi_m16_p48 = pair_set_epi16(-cospi[16], cospi[48]);
__m128i cospi_m48_m16 = pair_set_epi16(-cospi[48], -cospi[16]);
__m128i cospi_p56_p08 = pair_set_epi16(cospi[56], cospi[8]);
__m128i cospi_m08_p56 = pair_set_epi16(-cospi[8], cospi[56]);
__m128i cospi_p24_p40 = pair_set_epi16(cospi[24], cospi[40]);
__m128i cospi_m40_p24 = pair_set_epi16(-cospi[40], cospi[24]);
__m128i cospi_p60_p04 = pair_set_epi16(cospi[60], cospi[4]);
__m128i cospi_m04_p60 = pair_set_epi16(-cospi[4], cospi[60]);
__m128i cospi_p28_p36 = pair_set_epi16(cospi[28], cospi[36]);
__m128i cospi_m36_p28 = pair_set_epi16(-cospi[36], cospi[28]);
__m128i cospi_p44_p20 = pair_set_epi16(cospi[44], cospi[20]);
__m128i cospi_m20_p44 = pair_set_epi16(-cospi[20], cospi[44]);
__m128i cospi_p12_p52 = pair_set_epi16(cospi[12], cospi[52]);
__m128i cospi_m52_p12 = pair_set_epi16(-cospi[52], cospi[12]);
__m256i cospi_arr[12];
cospi_arr[0] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_m32_p32),
cospi_m32_p32, 0x1);
cospi_arr[1] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p32_p32),
cospi_p32_p32, 0x1);
cospi_arr[2] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p32_p32),
cospi_p48_p16, 0x1);
cospi_arr[3] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p32_m32),
cospi_m16_p48, 0x1);
cospi_arr[4] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_m16_p48),
cospi_m48_m16, 0x1);
cospi_arr[5] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p48_p16),
cospi_m16_p48, 0x1);
cospi_arr[6] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p56_p08),
cospi_p24_p40, 0x1);
cospi_arr[7] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_m08_p56),
cospi_m40_p24, 0x1);
cospi_arr[8] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p60_p04),
cospi_p28_p36, 0x1);
cospi_arr[9] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_m04_p60),
cospi_m36_p28, 0x1);
cospi_arr[10] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p44_p20),
cospi_p12_p52, 0x1);
cospi_arr[11] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_m20_p44),
cospi_m52_p12, 0x1);
__m256i x[8];
x[0] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[0]), input[1], 0x1);
x[1] = _mm256_insertf128_si256(_mm256_castsi128_si256(input[15]), input[14],
0x1);
x[2] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[2]), input[3], 0x1);
x[3] = _mm256_insertf128_si256(_mm256_castsi128_si256(input[13]), input[12],
0x1);
x[4] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[5]), input[4], 0x1);
x[5] = _mm256_insertf128_si256(_mm256_castsi128_si256(input[10]), input[11],
0x1);
x[6] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[7]), input[6], 0x1);
x[7] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[8]), input[9], 0x1);
// stage 1
__m256i x1[8];
x1[0] = _mm256_adds_epi16(x[0], x[1]);
x1[7] = _mm256_subs_epi16(x[0], x[1]);
x1[1] = _mm256_adds_epi16(x[2], x[3]);
x1[6] = _mm256_subs_epi16(x[2], x[3]);
x1[2] = _mm256_adds_epi16(x[4], x[5]);
x1[5] = _mm256_subs_epi16(x[4], x[5]);
x1[3] = _mm256_adds_epi16(x[6], x[7]);
x1[4] = _mm256_subs_epi16(x[6], x[7]);
// stage 2
__m256i x2[8];
x2[0] = _mm256_adds_epi16(x1[0], x1[3]);
x2[7] = _mm256_subs_epi16(x1[0], x1[3]);
x2[1] = _mm256_adds_epi16(x1[1], x1[2]);
x2[6] = _mm256_subs_epi16(x1[1], x1[2]);
x2[2] = x1[4];
x2[3] = x1[7];
btf_16_avx2(&cospi_arr[0], &cospi_arr[1], &x1[5], &x1[6], &temp0, &temp1,
&temp2, &temp3, &__rounding_256, &cos_bit);
x2[4] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp2), temp0, 0x1);
x2[5] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp3), temp1, 0x1);
// stage 3
__m256i x3[8];
x2[1] = _mm256_permute4x64_epi64(x2[1], 0x4e);
x3[0] = _mm256_adds_epi16(x2[0], x2[1]);
x3[1] = _mm256_subs_epi16(x2[0], x2[1]);
x3[2] = _mm256_blend_epi32(x2[7], x2[6], 0xf0);
btf_16_sse2(cospi_m32_p32, cospi_p32_p32, _mm256_castsi256_si128(x2[6]),
_mm256_extractf128_si256(x2[7], 0x01), temp0, temp1);
x3[7] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp1), temp0, 0x1);
x3[3] = _mm256_adds_epi16(x2[2], x2[4]);
x3[4] = _mm256_subs_epi16(x2[2], x2[4]);
x3[5] = _mm256_adds_epi16(x2[3], x2[5]);
x3[6] = _mm256_subs_epi16(x2[3], x2[5]);
// stage 4
__m256i x4[8];
x4[0] = _mm256_blend_epi32(x3[0], x3[1], 0xf0);
x4[1] = _mm256_permute2f128_si256(x3[0], x3[1], 0x21);
btf_16_avx2(&cospi_arr[2], &cospi_arr[3], &x4[0], &x4[1], &output[0],
&output[8], &output[4], &output[12], &__rounding_256, &cos_bit);
x4[2] = _mm256_adds_epi16(x3[2], x3[7]);
x4[3] = _mm256_subs_epi16(x3[2], x3[7]);
x4[4] = _mm256_permute2f128_si256(x3[3], x3[4], 0x20);
x4[5] = _mm256_permute2f128_si256(x3[6], x3[5], 0x20);
in0 = _mm256_permute2f128_si256(x3[3], x3[4], 0x31);
in1 = _mm256_permute2f128_si256(x3[5], x3[6], 0x31);
btf_16_avx2(&cospi_arr[4], &cospi_arr[5], &in0, &in1, &temp0, &temp1, &temp2,
&temp3, &__rounding_256, &cos_bit);
x4[6] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp0), temp2, 0x1);
x4[7] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp3), temp1, 0x1);
// stage 5
__m256i x5[4];
in0 = _mm256_permute2f128_si256(x4[2], x4[3], 0x31);
in1 = _mm256_permute2f128_si256(x4[2], x4[3], 0x20);
btf_16_avx2(&cospi_arr[6], &cospi_arr[7], &in0, &in1, &output[2], &output[14],
&output[10], &output[6], &__rounding_256, &cos_bit);
x5[0] = _mm256_adds_epi16(x4[4], x4[6]);
x5[1] = _mm256_subs_epi16(x4[4], x4[6]);
x5[2] = _mm256_adds_epi16(x4[5], x4[7]);
x5[3] = _mm256_subs_epi16(x4[5], x4[7]);
// stage 6
in0 = _mm256_permute2f128_si256(x5[0], x5[1], 0x20);
in1 = _mm256_permute2f128_si256(x5[2], x5[3], 0x31);
btf_16_avx2(&cospi_arr[8], &cospi_arr[9], &in0, &in1, &output[1], &output[15],
&output[9], &output[7], &__rounding_256, &cos_bit);
in0 = _mm256_permute2f128_si256(x5[1], x5[0], 0x31);
in1 = _mm256_permute2f128_si256(x5[3], x5[2], 0x20);
btf_16_avx2(&cospi_arr[10], &cospi_arr[11], &in0, &in1, &output[5],
&output[11], &output[13], &output[3], &__rounding_256, &cos_bit);
}
static inline void fadst8x16_new_avx2(const __m128i *input, __m128i *output,
int8_t cos_bit) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i __zero = _mm256_setzero_si256();
const __m256i __rounding_256 = _mm256_set1_epi32(1 << (cos_bit - 1));
__m256i in0, in1;
__m128i temp0, temp1, temp2, temp3;
__m128i cospi_p32_p32 = pair_set_epi16(cospi[32], cospi[32]);
__m128i cospi_p32_m32 = pair_set_epi16(cospi[32], -cospi[32]);
__m128i cospi_p16_p48 = pair_set_epi16(cospi[16], cospi[48]);
__m128i cospi_p48_m16 = pair_set_epi16(cospi[48], -cospi[16]);
__m128i cospi_m48_p16 = pair_set_epi16(-cospi[48], cospi[16]);
__m128i cospi_p08_p56 = pair_set_epi16(cospi[8], cospi[56]);
__m128i cospi_p56_m08 = pair_set_epi16(cospi[56], -cospi[8]);
__m128i cospi_p40_p24 = pair_set_epi16(cospi[40], cospi[24]);
__m128i cospi_p24_m40 = pair_set_epi16(cospi[24], -cospi[40]);
__m128i cospi_m56_p08 = pair_set_epi16(-cospi[56], cospi[8]);
__m128i cospi_m24_p40 = pair_set_epi16(-cospi[24], cospi[40]);
__m128i cospi_p02_p62 = pair_set_epi16(cospi[2], cospi[62]);
__m128i cospi_p62_m02 = pair_set_epi16(cospi[62], -cospi[2]);
__m128i cospi_p10_p54 = pair_set_epi16(cospi[10], cospi[54]);
__m128i cospi_p54_m10 = pair_set_epi16(cospi[54], -cospi[10]);
__m128i cospi_p18_p46 = pair_set_epi16(cospi[18], cospi[46]);
__m128i cospi_p46_m18 = pair_set_epi16(cospi[46], -cospi[18]);
__m128i cospi_p26_p38 = pair_set_epi16(cospi[26], cospi[38]);
__m128i cospi_p38_m26 = pair_set_epi16(cospi[38], -cospi[26]);
__m128i cospi_p34_p30 = pair_set_epi16(cospi[34], cospi[30]);
__m128i cospi_p30_m34 = pair_set_epi16(cospi[30], -cospi[34]);
__m128i cospi_p42_p22 = pair_set_epi16(cospi[42], cospi[22]);
__m128i cospi_p22_m42 = pair_set_epi16(cospi[22], -cospi[42]);
__m128i cospi_p50_p14 = pair_set_epi16(cospi[50], cospi[14]);
__m128i cospi_p14_m50 = pair_set_epi16(cospi[14], -cospi[50]);
__m128i cospi_p58_p06 = pair_set_epi16(cospi[58], cospi[6]);
__m128i cospi_p06_m58 = pair_set_epi16(cospi[6], -cospi[58]);
__m256i cospi_arr[20];
cospi_arr[0] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p32_p32),
cospi_p32_p32, 0x1);
cospi_arr[1] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p32_m32),
cospi_p32_m32, 0x1);
cospi_arr[2] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p32_p32),
cospi_p32_p32, 0x1);
cospi_arr[3] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p32_m32),
cospi_p32_m32, 0x1);
cospi_arr[4] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p16_p48),
cospi_m48_p16, 0x1);
cospi_arr[5] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p48_m16),
cospi_p16_p48, 0x1);
cospi_arr[6] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p16_p48),
cospi_m48_p16, 0x1);
cospi_arr[7] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p48_m16),
cospi_p16_p48, 0x1);
cospi_arr[8] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p08_p56),
cospi_p40_p24, 0x1);
cospi_arr[9] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p56_m08),
cospi_p24_m40, 0x1);
cospi_arr[10] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_m56_p08),
cospi_m24_p40, 0x1);
cospi_arr[11] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p08_p56),
cospi_p40_p24, 0x1);
cospi_arr[12] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p02_p62),
cospi_p10_p54, 0x1);
cospi_arr[13] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p62_m02),
cospi_p54_m10, 0x1);
cospi_arr[14] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p18_p46),
cospi_p26_p38, 0x1);
cospi_arr[15] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p46_m18),
cospi_p38_m26, 0x1);
cospi_arr[16] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p34_p30),
cospi_p42_p22, 0x1);
cospi_arr[17] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p30_m34),
cospi_p22_m42, 0x1);
cospi_arr[18] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p50_p14),
cospi_p58_p06, 0x1);
cospi_arr[19] = _mm256_insertf128_si256(_mm256_castsi128_si256(cospi_p14_m50),
cospi_p06_m58, 0x1);
__m256i x[8];
x[0] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[0]), input[4], 0x1);
x[1] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[2]), input[6], 0x1);
x[2] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[8]), input[12], 0x1);
x[3] = _mm256_insertf128_si256(_mm256_castsi128_si256(input[10]), input[14],
0x1);
x[4] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[1]), input[9], 0x1);
x[5] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[3]), input[11], 0x1);
x[6] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[5]), input[13], 0x1);
x[7] =
_mm256_insertf128_si256(_mm256_castsi128_si256(input[7]), input[15], 0x1);
// stage 1
__m256i x1[8];
x1[0] = x[0];
x1[1] = _mm256_subs_epi16(__zero, x[7]);
x1[2] = x[2];
x1[3] = _mm256_subs_epi16(__zero, x[5]);
x1[4] = _mm256_subs_epi16(__zero, x[4]);
x1[5] = x[3];
x1[6] = _mm256_subs_epi16(__zero, x[6]);
x1[7] = x[1];
// stage 2
__m256i x2[8];
x2[0] = _mm256_blend_epi32(x1[0], x1[1], 0xf0);
x2[3] = _mm256_blend_epi32(x1[3], x1[2], 0xf0);
x2[4] = _mm256_blend_epi32(x1[4], x1[5], 0xf0);
x2[7] = _mm256_blend_epi32(x1[7], x1[6], 0xf0);
in0 = _mm256_blend_epi32(x1[1], x1[0], 0xf0);
in1 = _mm256_blend_epi32(x1[2], x1[3], 0xf0);
btf_16_avx2(&cospi_arr[0], &cospi_arr[1], &in0, &in1, &temp0, &temp1, &temp2,
&temp3, &__rounding_256, &cos_bit);
x2[1] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp0), temp1, 0x1);
x2[2] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp2), temp3, 0x1);
in0 = _mm256_permute2f128_si256(x1[7], x1[6], 0x21);
in1 = _mm256_permute2f128_si256(x1[4], x1[5], 0x21);
btf_16_avx2(&cospi_arr[2], &cospi_arr[3], &in0, &in1, &temp0, &temp1, &temp2,
&temp3, &__rounding_256, &cos_bit);
x2[5] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp0), temp1, 0x1);
x2[6] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp2), temp3, 0x1);
// stage 3
__m256i x3[8];
x3[0] = _mm256_adds_epi16(x2[0], x2[1]);
x3[1] = _mm256_subs_epi16(x2[0], x2[1]);
x3[2] = _mm256_adds_epi16(x2[3], x2[2]);
x3[3] = _mm256_subs_epi16(x2[3], x2[2]);
x3[4] = _mm256_adds_epi16(x2[4], x2[5]);
x3[5] = _mm256_subs_epi16(x2[4], x2[5]);
x3[6] = _mm256_adds_epi16(x2[7], x2[6]);
x3[7] = _mm256_subs_epi16(x2[7], x2[6]);
// stage 4
__m256i x4[8];
x4[0] = x3[0];
x4[1] = x3[1];
x4[4] = x3[4];
x4[5] = x3[5];
in0 = _mm256_permute2f128_si256(x3[2], x3[3], 0x20);
in1 = _mm256_permute2f128_si256(x3[2], x3[3], 0x31);
btf_16_avx2(&cospi_arr[4], &cospi_arr[5], &in0, &in1, &temp0, &temp1, &temp2,
&temp3, &__rounding_256, &cos_bit);
x4[2] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp0), temp1, 0x1);
x4[3] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp2), temp3, 0x1);
in0 = _mm256_permute2f128_si256(x3[6], x3[7], 0x20);
in1 = _mm256_permute2f128_si256(x3[6], x3[7], 0x31);
btf_16_avx2(&cospi_arr[6], &cospi_arr[7], &in0, &in1, &temp0, &temp1, &temp2,
&temp3, &__rounding_256, &cos_bit);
x4[6] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp0), temp1, 0x1);
x4[7] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp2), temp3, 0x1);
// stage 5
__m256i x5[8];
x5[0] = _mm256_adds_epi16(x4[0], x4[2]);
x5[1] = _mm256_subs_epi16(x4[0], x4[2]);
x5[2] = _mm256_adds_epi16(x4[1], x4[3]);
x5[3] = _mm256_subs_epi16(x4[1], x4[3]);
x5[4] = _mm256_adds_epi16(x4[4], x4[6]);
x5[5] = _mm256_subs_epi16(x4[4], x4[6]);
x5[6] = _mm256_adds_epi16(x4[5], x4[7]);
x5[7] = _mm256_subs_epi16(x4[5], x4[7]);
// stage 6
__m256i x6[8];
x6[0] = x5[0];
x6[1] = x5[2];
x6[2] = x5[1];
x6[3] = x5[3];
in0 = _mm256_permute2f128_si256(x5[4], x5[6], 0x20);
in1 = _mm256_permute2f128_si256(x5[4], x5[6], 0x31);
btf_16_avx2(&cospi_arr[8], &cospi_arr[9], &in0, &in1, &temp0, &temp1, &temp2,
&temp3, &__rounding_256, &cos_bit);
x6[4] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp0), temp1, 0x1);
x6[5] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp2), temp3, 0x1);
in0 = _mm256_permute2f128_si256(x5[5], x5[7], 0x20);
in1 = _mm256_permute2f128_si256(x5[5], x5[7], 0x31);
btf_16_avx2(&cospi_arr[10], &cospi_arr[11], &in0, &in1, &temp0, &temp1,
&temp2, &temp3, &__rounding_256, &cos_bit);
x6[6] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp0), temp1, 0x1);
x6[7] = _mm256_insertf128_si256(_mm256_castsi128_si256(temp2), temp3, 0x1);
// stage 7
__m256i x7[8];
x7[0] = _mm256_adds_epi16(x6[0], x6[4]);
x7[1] = _mm256_subs_epi16(x6[0], x6[4]);
x7[2] = _mm256_adds_epi16(x6[1], x6[5]);
x7[3] = _mm256_subs_epi16(x6[1], x6[5]);
x7[4] = _mm256_adds_epi16(x6[2], x6[6]);
x7[5] = _mm256_subs_epi16(x6[2], x6[6]);
x7[6] = _mm256_adds_epi16(x6[3], x6[7]);
x7[7] = _mm256_subs_epi16(x6[3], x6[7]);
// stage 8
in0 = _mm256_permute2f128_si256(x7[0], x7[2], 0x20);
in1 = _mm256_permute2f128_si256(x7[0], x7[2], 0x31);
btf_16_avx2(&cospi_arr[12], &cospi_arr[13], &in0, &in1, &output[15],
&output[0], &output[13], &output[2], &__rounding_256, &cos_bit);
in0 = _mm256_permute2f128_si256(x7[4], x7[6], 0x20);
in1 = _mm256_permute2f128_si256(x7[4], x7[6], 0x31);
btf_16_avx2(&cospi_arr[14], &cospi_arr[15], &in0, &in1, &output[11],
&output[4], &output[9], &output[6], &__rounding_256, &cos_bit);
in0 = _mm256_permute2f128_si256(x7[1], x7[3], 0x20);
in1 = _mm256_permute2f128_si256(x7[1], x7[3], 0x31);
btf_16_avx2(&cospi_arr[16], &cospi_arr[17], &in0, &in1, &output[7],
&output[8], &output[5], &output[10], &__rounding_256, &cos_bit);
in0 = _mm256_permute2f128_si256(x7[5], x7[7], 0x20);
in1 = _mm256_permute2f128_si256(x7[5], x7[7], 0x31);
btf_16_avx2(&cospi_arr[18], &cospi_arr[19], &in0, &in1, &output[3],
&output[12], &output[1], &output[14], &__rounding_256, &cos_bit);
}
static inline void fidentity8x16_new_avx2(const __m128i *input, __m128i *output,
int8_t cos_bit) {
(void)cos_bit;
const __m256i one = _mm256_set1_epi16(1);
__m256i temp;
for (int i = 0; i < 16; i += 2) {
temp = _mm256_insertf128_si256(_mm256_castsi128_si256(input[i]),
input[i + 1], 0x1);
const __m256i a_lo = _mm256_unpacklo_epi16(temp, one);
const __m256i a_hi = _mm256_unpackhi_epi16(temp, one);
const __m256i b_lo = scale_round_avx2(a_lo, 2 * NewSqrt2);
const __m256i b_hi = scale_round_avx2(a_hi, 2 * NewSqrt2);
temp = _mm256_packs_epi32(b_lo, b_hi);
output[i] = _mm256_castsi256_si128(temp);
output[i + 1] = _mm256_extractf128_si256(temp, 0x1);
}
}
static const transform_1d_avx2 row_txfm8x16_arr[TX_TYPES] = {
fdct8x8_new_avx2, // DCT_DCT
fdct8x8_new_avx2, // ADST_DCT
fadst8x8_new_avx2, // DCT_ADST
fadst8x8_new_avx2, // ADST_ADST
fdct8x8_new_avx2, // FLIPADST_DCT
fadst8x8_new_avx2, // DCT_FLIPADST
fadst8x8_new_avx2, // FLIPADST_FLIPADST
fadst8x8_new_avx2, // ADST_FLIPADST
fadst8x8_new_avx2, // FLIPADST_ADST
fidentity8x8_new_avx2, // IDTX
fidentity8x8_new_avx2, // V_DCT
fdct8x8_new_avx2, // H_DCT
fidentity8x8_new_avx2, // V_ADST
fadst8x8_new_avx2, // H_ADST
fidentity8x8_new_avx2, // V_FLIPADST
fadst8x8_new_avx2 // H_FLIPADST
};
static const transform_1d_sse2 col_txfm8x16_arr[TX_TYPES] = {
fdct8x16_new_avx2, // DCT_DCT
fadst8x16_new_avx2, // ADST_DCT
fdct8x16_new_avx2, // DCT_ADST
fadst8x16_new_avx2, // ADST_ADST
fadst8x16_new_avx2, // FLIPADST_DCT
fdct8x16_new_avx2, // DCT_FLIPADST
fadst8x16_new_avx2, // FLIPADST_FLIPADST
fadst8x16_new_avx2, // ADST_FLIPADST
fadst8x16_new_avx2, // FLIPADST_ADST
fidentity8x16_new_avx2, // IDTX
fdct8x16_new_avx2, // V_DCT
fidentity8x16_new_avx2, // H_DCT
fadst8x16_new_avx2, // V_ADST
fidentity8x16_new_avx2, // H_ADST
fadst8x16_new_avx2, // V_FLIPADST
fidentity8x16_new_avx2 // H_FLIPADST
};
static const transform_1d_avx2 col_txfm16x8_arr[TX_TYPES] = {
fdct8x8_new_avx2, // DCT_DCT
fadst8x8_new_avx2, // ADST_DCT
fdct8x8_new_avx2, // DCT_ADST
fadst8x8_new_avx2, // ADST_ADST
fadst8x8_new_avx2, // FLIPADST_DCT
fdct8x8_new_avx2, // DCT_FLIPADST
fadst8x8_new_avx2, // FLIPADST_FLIPADST
fadst8x8_new_avx2, // ADST_FLIPADST
fadst8x8_new_avx2, // FLIPADST_ADST
fidentity8x8_new_avx2, // IDTX
fdct8x8_new_avx2, // V_DCT
fidentity8x8_new_avx2, // H_DCT
fadst8x8_new_avx2, // V_ADST
fidentity8x8_new_avx2, // H_ADST
fadst8x8_new_avx2, // V_FLIPADST
fidentity8x8_new_avx2, // H_FLIPADST
};
static const transform_1d_sse2 row_txfm16x8_arr[TX_TYPES] = {
fdct8x16_new_avx2, // DCT_DCT
fdct8x16_new_avx2, // ADST_DCT
fadst8x16_new_avx2, // DCT_ADST
fadst8x16_new_avx2, // ADST_ADST
fdct8x16_new_avx2, // FLIPADST_DCT
fadst8x16_new_avx2, // DCT_FLIPADST
fadst8x16_new_avx2, // FLIPADST_FLIPADST
fadst8x16_new_avx2, // ADST_FLIPADST
fadst8x16_new_avx2, // FLIPADST_ADST
fidentity8x16_new_avx2, // IDTX
fidentity8x16_new_avx2, // V_DCT
fdct8x16_new_avx2, // H_DCT
fidentity8x16_new_avx2, // V_ADST
fadst8x16_new_avx2, // H_ADST
fidentity8x16_new_avx2, // V_FLIPADST
fadst8x16_new_avx2 // H_FLIPADST
};
static void lowbd_fwd_txfm2d_8x16_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
__m128i buf0[16], buf1[16];
__m256i buf2[8];
const int8_t *shift = av1_fwd_txfm_shift_ls[TX_8X16];
const int txw_idx = get_txw_idx(TX_8X16);
const int txh_idx = get_txh_idx(TX_8X16);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = 8;
const int height = 16;
const transform_1d_sse2 col_txfm = col_txfm8x16_arr[tx_type];
const transform_1d_avx2 row_txfm = row_txfm8x16_arr[tx_type];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
if (ud_flip) {
load_buffer_16bit_to_16bit_flip(input, stride, buf0, height);
} else {
load_buffer_16bit_to_16bit(input, stride, buf0, height);
}
round_shift_16bit(buf0, height, shift[0]);
col_txfm(buf0, buf0, cos_bit_col);
round_shift_16bit(buf0, height, shift[1]);
transpose_16bit_8x8(buf0, buf1);
transpose_16bit_8x8(buf0 + 8, buf1 + 8);
__m128i *bufl, *bufu;
if (lr_flip) {
bufl = buf0;
bufu = buf0 + 8;
flip_buf_sse2(buf1 + width * 0, bufl, width);
flip_buf_sse2(buf1 + width * 1, bufu, width);
} else {
bufl = buf1 + width * 0;
bufu = buf1 + width * 1;
}
pack_reg(bufl, bufu, buf2);
row_txfm(buf2, buf2, cos_bit_row);
round_shift_16bit_w16_avx2(buf2, width, shift[2]);
store_rect_buffer_16bit_to_32bit_w16_avx2(buf2, output, height, width);
}
static void lowbd_fwd_txfm2d_16x8_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
__m128i buf0[16], buf1[16];
__m256i buf2[8];
const int8_t *shift = av1_fwd_txfm_shift_ls[TX_16X8];
const int txw_idx = get_txw_idx(TX_16X8);
const int txh_idx = get_txh_idx(TX_16X8);
const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx];
const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx];
const int width = 16;
const int height = 8;
const transform_1d_avx2 col_txfm = col_txfm16x8_arr[tx_type];
const transform_1d_sse2 row_txfm = row_txfm16x8_arr[tx_type];
__m128i *buf;
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
if (ud_flip) {
load_buffer_16bit_to_16bit_flip(input + 8 * 0, stride, buf0, height);
load_buffer_16bit_to_16bit_flip(input + 8 * 1, stride, &buf0[8], height);
} else {
load_buffer_16bit_to_16bit(input + 8 * 0, stride, buf0, height);
load_buffer_16bit_to_16bit(input + 8 * 1, stride, &buf0[8], height);
}
pack_reg(buf0, &buf0[8], buf2);
round_shift_16bit_w16_avx2(buf2, height, shift[0]);
col_txfm(buf2, buf2, cos_bit_col);
round_shift_16bit_w16_avx2(buf2, height, shift[1]);
transpose_16bit_16x8_avx2(buf2, buf2);
extract_reg(buf2, buf1);
if (lr_flip) {
buf = buf0;
flip_buf_sse2(buf1, buf, width);
} else {
buf = buf1;
}
row_txfm(buf, buf, cos_bit_row);
round_shift_16bit(buf, width, shift[2]);
store_rect_buffer_16bit_to_32bit_w8(buf, output, height, width);
}
static FwdTxfm2dFunc fwd_txfm2d_func_ls[TX_SIZES_ALL] = {
av1_lowbd_fwd_txfm2d_4x4_sse2, // 4x4 transform
av1_lowbd_fwd_txfm2d_8x8_avx2, // 8x8 transform
lowbd_fwd_txfm2d_16x16_avx2, // 16x16 transform
lowbd_fwd_txfm2d_32x32_avx2, // 32x32 transform
lowbd_fwd_txfm2d_64x64_avx2, // 64x64 transform
av1_lowbd_fwd_txfm2d_4x8_sse2, // 4x8 transform
av1_lowbd_fwd_txfm2d_8x4_sse2, // 8x4 transform
lowbd_fwd_txfm2d_8x16_avx2, // 8x16 transform
lowbd_fwd_txfm2d_16x8_avx2, // 16x8 transform
lowbd_fwd_txfm2d_16x32_avx2, // 16x32 transform
lowbd_fwd_txfm2d_32x16_avx2, // 32x16 transform
lowbd_fwd_txfm2d_32x64_avx2, // 32x64 transform
lowbd_fwd_txfm2d_64x32_avx2, // 64x32 transform
av1_lowbd_fwd_txfm2d_4x16_sse2, // 4x16 transform
av1_lowbd_fwd_txfm2d_16x4_sse2, // 16x4 transform
av1_lowbd_fwd_txfm2d_8x32_sse2, // 8x32 transform
av1_lowbd_fwd_txfm2d_32x8_sse2, // 32x8 transform
lowbd_fwd_txfm2d_16x64_avx2, // 16x64 transform
lowbd_fwd_txfm2d_64x16_avx2, // 64x16 transform
};
void av1_lowbd_fwd_txfm_avx2(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
FwdTxfm2dFunc fwd_txfm2d_func = fwd_txfm2d_func_ls[txfm_param->tx_size];
if (txfm_param->lossless && txfm_param->tx_size == TX_4X4) {
av1_lowbd_fwd_txfm_c(src_diff, coeff, diff_stride, txfm_param);
} else {
fwd_txfm2d_func(src_diff, coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
}