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aomedia / aom / ef92b60689fa97effa071d60a172a64680c4d990 / . / av1 / encoder / x86 / highbd_fwd_txfm_avx2.c
blob: 1faa412b7122bb184f1de464911bad4fc2b55543 [file] [log] [blame]
/*
* 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 <assert.h>
#include <immintrin.h> /*AVX2*/
#include "config/aom_config.h"
#include "config/av1_rtcd.h"
#include "av1/common/av1_txfm.h"
#include "av1/encoder/av1_fwd_txfm1d_cfg.h"
#include "aom_dsp/txfm_common.h"
#include "aom_ports/mem.h"
#include "aom_dsp/x86/txfm_common_sse2.h"
#include "aom_dsp/x86/txfm_common_avx2.h"
static INLINE void load_buffer_8x8_avx2(const int16_t *input, __m256i *out,
int stride, int flipud, int fliplr,
int shift) {
__m128i out1[8];
if (!flipud) {
out1[0] = _mm_load_si128((const __m128i *)(input + 0 * stride));
out1[1] = _mm_load_si128((const __m128i *)(input + 1 * stride));
out1[2] = _mm_load_si128((const __m128i *)(input + 2 * stride));
out1[3] = _mm_load_si128((const __m128i *)(input + 3 * stride));
out1[4] = _mm_load_si128((const __m128i *)(input + 4 * stride));
out1[5] = _mm_load_si128((const __m128i *)(input + 5 * stride));
out1[6] = _mm_load_si128((const __m128i *)(input + 6 * stride));
out1[7] = _mm_load_si128((const __m128i *)(input + 7 * stride));
} else {
out1[7] = _mm_load_si128((const __m128i *)(input + 0 * stride));
out1[6] = _mm_load_si128((const __m128i *)(input + 1 * stride));
out1[5] = _mm_load_si128((const __m128i *)(input + 2 * stride));
out1[4] = _mm_load_si128((const __m128i *)(input + 3 * stride));
out1[3] = _mm_load_si128((const __m128i *)(input + 4 * stride));
out1[2] = _mm_load_si128((const __m128i *)(input + 5 * stride));
out1[1] = _mm_load_si128((const __m128i *)(input + 6 * stride));
out1[0] = _mm_load_si128((const __m128i *)(input + 7 * stride));
}
if (!fliplr) {
out[0] = _mm256_cvtepi16_epi32(out1[0]);
out[1] = _mm256_cvtepi16_epi32(out1[1]);
out[2] = _mm256_cvtepi16_epi32(out1[2]);
out[3] = _mm256_cvtepi16_epi32(out1[3]);
out[4] = _mm256_cvtepi16_epi32(out1[4]);
out[5] = _mm256_cvtepi16_epi32(out1[5]);
out[6] = _mm256_cvtepi16_epi32(out1[6]);
out[7] = _mm256_cvtepi16_epi32(out1[7]);
} else {
out[0] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[0]));
out[1] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[1]));
out[2] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[2]));
out[3] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[3]));
out[4] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[4]));
out[5] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[5]));
out[6] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[6]));
out[7] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[7]));
}
out[0] = _mm256_slli_epi32(out[0], shift);
out[1] = _mm256_slli_epi32(out[1], shift);
out[2] = _mm256_slli_epi32(out[2], shift);
out[3] = _mm256_slli_epi32(out[3], shift);
out[4] = _mm256_slli_epi32(out[4], shift);
out[5] = _mm256_slli_epi32(out[5], shift);
out[6] = _mm256_slli_epi32(out[6], shift);
out[7] = _mm256_slli_epi32(out[7], shift);
}
static INLINE void col_txfm_8x8_rounding(__m256i *in, int shift) {
const __m256i rounding = _mm256_set1_epi32(1 << (shift - 1));
in[0] = _mm256_add_epi32(in[0], rounding);
in[1] = _mm256_add_epi32(in[1], rounding);
in[2] = _mm256_add_epi32(in[2], rounding);
in[3] = _mm256_add_epi32(in[3], rounding);
in[4] = _mm256_add_epi32(in[4], rounding);
in[5] = _mm256_add_epi32(in[5], rounding);
in[6] = _mm256_add_epi32(in[6], rounding);
in[7] = _mm256_add_epi32(in[7], rounding);
in[0] = _mm256_srai_epi32(in[0], shift);
in[1] = _mm256_srai_epi32(in[1], shift);
in[2] = _mm256_srai_epi32(in[2], shift);
in[3] = _mm256_srai_epi32(in[3], shift);
in[4] = _mm256_srai_epi32(in[4], shift);
in[5] = _mm256_srai_epi32(in[5], shift);
in[6] = _mm256_srai_epi32(in[6], shift);
in[7] = _mm256_srai_epi32(in[7], shift);
}
static INLINE void load_buffer_8x16_avx2(const int16_t *input, __m256i *out,
int stride, int flipud, int fliplr,
int shift) {
const int16_t *topL = input;
const int16_t *botL = input + 8 * stride;
const int16_t *tmp;
if (flipud) {
tmp = topL;
topL = botL;
botL = tmp;
}
load_buffer_8x8_avx2(topL, out, stride, flipud, fliplr, shift);
load_buffer_8x8_avx2(botL, out + 8, stride, flipud, fliplr, shift);
}
static INLINE void load_buffer_16xn_avx2(const int16_t *input, __m256i *out,
int stride, int height, int outstride,
int flipud, int fliplr) {
__m256i out1[64];
if (!flipud) {
for (int i = 0; i < height; i++) {
out1[i] = _mm256_loadu_si256((const __m256i *)(input + i * stride));
}
} else {
for (int i = 0; i < height; i++) {
out1[(height - 1) - i] =
_mm256_loadu_si256((const __m256i *)(input + i * stride));
}
}
if (!fliplr) {
for (int i = 0; i < height; i++) {
out[i * outstride] =
_mm256_cvtepi16_epi32(_mm256_castsi256_si128(out1[i]));
out[i * outstride + 1] =
_mm256_cvtepi16_epi32(_mm256_extractf128_si256(out1[i], 1));
}
} else {
for (int i = 0; i < height; i++) {
out[i * outstride + 1] = _mm256_cvtepi16_epi32(
mm_reverse_epi16(_mm256_castsi256_si128(out1[i])));
out[i * outstride + 0] = _mm256_cvtepi16_epi32(
mm_reverse_epi16(_mm256_extractf128_si256(out1[i], 1)));
}
}
}
static void fwd_txfm_transpose_8x8_avx2(const __m256i *in, __m256i *out,
const int instride,
const int outstride) {
__m256i u0, u1, u2, u3, u4, u5, u6, u7;
__m256i x0, x1;
u0 = _mm256_unpacklo_epi32(in[0 * instride], in[1 * instride]);
u1 = _mm256_unpackhi_epi32(in[0 * instride], in[1 * instride]);
u2 = _mm256_unpacklo_epi32(in[2 * instride], in[3 * instride]);
u3 = _mm256_unpackhi_epi32(in[2 * instride], in[3 * instride]);
u4 = _mm256_unpacklo_epi32(in[4 * instride], in[5 * instride]);
u5 = _mm256_unpackhi_epi32(in[4 * instride], in[5 * instride]);
u6 = _mm256_unpacklo_epi32(in[6 * instride], in[7 * instride]);
u7 = _mm256_unpackhi_epi32(in[6 * instride], in[7 * instride]);
x0 = _mm256_unpacklo_epi64(u0, u2);
x1 = _mm256_unpacklo_epi64(u4, u6);
out[0 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x20);
out[4 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x31);
x0 = _mm256_unpackhi_epi64(u0, u2);
x1 = _mm256_unpackhi_epi64(u4, u6);
out[1 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x20);
out[5 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x31);
x0 = _mm256_unpacklo_epi64(u1, u3);
x1 = _mm256_unpacklo_epi64(u5, u7);
out[2 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x20);
out[6 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x31);
x0 = _mm256_unpackhi_epi64(u1, u3);
x1 = _mm256_unpackhi_epi64(u5, u7);
out[3 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x20);
out[7 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x31);
}
static INLINE void round_shift_32_8xn_avx2(__m256i *in, int size, int bit,
int stride) {
if (bit < 0) {
bit = -bit;
__m256i round = _mm256_set1_epi32(1 << (bit - 1));
for (int i = 0; i < size; ++i) {
in[stride * i] = _mm256_add_epi32(in[stride * i], round);
in[stride * i] = _mm256_srai_epi32(in[stride * i], bit);
}
} else if (bit > 0) {
for (int i = 0; i < size; ++i) {
in[stride * i] = _mm256_slli_epi32(in[stride * i], bit);
}
}
}
static INLINE void store_buffer_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), in[i]);
out += stride;
}
}
static INLINE void fwd_txfm_transpose_16x16_avx2(const __m256i *in,
__m256i *out) {
fwd_txfm_transpose_8x8_avx2(&in[0], &out[0], 2, 2);
fwd_txfm_transpose_8x8_avx2(&in[1], &out[16], 2, 2);
fwd_txfm_transpose_8x8_avx2(&in[16], &out[1], 2, 2);
fwd_txfm_transpose_8x8_avx2(&in[17], &out[17], 2, 2);
}
static INLINE __m256i av1_half_btf_avx2(const __m256i *w0, const __m256i *n0,
const __m256i *w1, const __m256i *n1,
const __m256i *rounding, int bit) {
__m256i x, y;
x = _mm256_mullo_epi32(*w0, *n0);
y = _mm256_mullo_epi32(*w1, *n1);
x = _mm256_add_epi32(x, y);
x = _mm256_add_epi32(x, *rounding);
x = _mm256_srai_epi32(x, bit);
return x;
}
#define btf_32_avx2_type0(w0, w1, in0, in1, out0, out1, bit) \
do { \
const __m256i ww0 = _mm256_set1_epi32(w0); \
const __m256i ww1 = _mm256_set1_epi32(w1); \
const __m256i in0_w0 = _mm256_mullo_epi32(in0, ww0); \
const __m256i in1_w1 = _mm256_mullo_epi32(in1, ww1); \
out0 = _mm256_add_epi32(in0_w0, in1_w1); \
round_shift_32_8xn_avx2(&out0, 1, -bit, 1); \
const __m256i in0_w1 = _mm256_mullo_epi32(in0, ww1); \
const __m256i in1_w0 = _mm256_mullo_epi32(in1, ww0); \
out1 = _mm256_sub_epi32(in0_w1, in1_w0); \
round_shift_32_8xn_avx2(&out1, 1, -bit, 1); \
} while (0)
#define btf_32_type0_avx2_new(ww0, ww1, in0, in1, out0, out1, r, bit) \
do { \
const __m256i in0_w0 = _mm256_mullo_epi32(in0, ww0); \
const __m256i in1_w1 = _mm256_mullo_epi32(in1, ww1); \
out0 = _mm256_add_epi32(in0_w0, in1_w1); \
out0 = _mm256_add_epi32(out0, r); \
out0 = _mm256_srai_epi32(out0, bit); \
const __m256i in0_w1 = _mm256_mullo_epi32(in0, ww1); \
const __m256i in1_w0 = _mm256_mullo_epi32(in1, ww0); \
out1 = _mm256_sub_epi32(in0_w1, in1_w0); \
out1 = _mm256_add_epi32(out1, r); \
out1 = _mm256_srai_epi32(out1, bit); \
} while (0)
typedef void (*transform_1d_avx2)(__m256i *in, __m256i *out,
const int8_t cos_bit, int instride,
int outstride);
static void fdct8_avx2(__m256i *in, __m256i *out, const int8_t bit,
const int col_num, const int outstride) {
const int32_t *cospi = cospi_arr(bit);
const __m256i cospi32 = _mm256_set1_epi32(cospi[32]);
const __m256i cospim32 = _mm256_set1_epi32(-cospi[32]);
const __m256i cospi48 = _mm256_set1_epi32(cospi[48]);
const __m256i cospi16 = _mm256_set1_epi32(cospi[16]);
const __m256i cospi56 = _mm256_set1_epi32(cospi[56]);
const __m256i cospi8 = _mm256_set1_epi32(cospi[8]);
const __m256i cospi24 = _mm256_set1_epi32(cospi[24]);
const __m256i cospi40 = _mm256_set1_epi32(cospi[40]);
const __m256i rnding = _mm256_set1_epi32(1 << (bit - 1));
__m256i u[8], v[8];
for (int col = 0; col < col_num; ++col) {
u[0] = _mm256_add_epi32(in[0 * col_num + col], in[7 * col_num + col]);
v[7] = _mm256_sub_epi32(in[0 * col_num + col], in[7 * col_num + col]);
u[1] = _mm256_add_epi32(in[1 * col_num + col], in[6 * col_num + col]);
u[6] = _mm256_sub_epi32(in[1 * col_num + col], in[6 * col_num + col]);
u[2] = _mm256_add_epi32(in[2 * col_num + col], in[5 * col_num + col]);
u[5] = _mm256_sub_epi32(in[2 * col_num + col], in[5 * col_num + col]);
u[3] = _mm256_add_epi32(in[3 * col_num + col], in[4 * col_num + col]);
v[4] = _mm256_sub_epi32(in[3 * col_num + col], in[4 * col_num + col]);
v[0] = _mm256_add_epi32(u[0], u[3]);
v[3] = _mm256_sub_epi32(u[0], u[3]);
v[1] = _mm256_add_epi32(u[1], u[2]);
v[2] = _mm256_sub_epi32(u[1], u[2]);
v[5] = _mm256_mullo_epi32(u[5], cospim32);
v[6] = _mm256_mullo_epi32(u[6], cospi32);
v[5] = _mm256_add_epi32(v[5], v[6]);
v[5] = _mm256_add_epi32(v[5], rnding);
v[5] = _mm256_srai_epi32(v[5], bit);
u[0] = _mm256_mullo_epi32(u[5], cospi32);
v[6] = _mm256_mullo_epi32(u[6], cospim32);
v[6] = _mm256_sub_epi32(u[0], v[6]);
v[6] = _mm256_add_epi32(v[6], rnding);
v[6] = _mm256_srai_epi32(v[6], bit);
// stage 3
// type 0
v[0] = _mm256_mullo_epi32(v[0], cospi32);
v[1] = _mm256_mullo_epi32(v[1], cospi32);
u[0] = _mm256_add_epi32(v[0], v[1]);
u[0] = _mm256_add_epi32(u[0], rnding);
u[0] = _mm256_srai_epi32(u[0], bit);
u[1] = _mm256_sub_epi32(v[0], v[1]);
u[1] = _mm256_add_epi32(u[1], rnding);
u[1] = _mm256_srai_epi32(u[1], bit);
// type 1
v[0] = _mm256_mullo_epi32(v[2], cospi48);
v[1] = _mm256_mullo_epi32(v[3], cospi16);
u[2] = _mm256_add_epi32(v[0], v[1]);
u[2] = _mm256_add_epi32(u[2], rnding);
u[2] = _mm256_srai_epi32(u[2], bit);
v[0] = _mm256_mullo_epi32(v[2], cospi16);
v[1] = _mm256_mullo_epi32(v[3], cospi48);
u[3] = _mm256_sub_epi32(v[1], v[0]);
u[3] = _mm256_add_epi32(u[3], rnding);
u[3] = _mm256_srai_epi32(u[3], bit);
u[4] = _mm256_add_epi32(v[4], v[5]);
u[5] = _mm256_sub_epi32(v[4], v[5]);
u[6] = _mm256_sub_epi32(v[7], v[6]);
u[7] = _mm256_add_epi32(v[7], v[6]);
// stage 4
// stage 5
v[0] = _mm256_mullo_epi32(u[4], cospi56);
v[1] = _mm256_mullo_epi32(u[7], cospi8);
v[0] = _mm256_add_epi32(v[0], v[1]);
v[0] = _mm256_add_epi32(v[0], rnding);
out[1 * outstride + col] = _mm256_srai_epi32(v[0], bit); // buf0[4]
v[0] = _mm256_mullo_epi32(u[4], cospi8);
v[1] = _mm256_mullo_epi32(u[7], cospi56);
v[0] = _mm256_sub_epi32(v[1], v[0]);
v[0] = _mm256_add_epi32(v[0], rnding);
out[7 * outstride + col] = _mm256_srai_epi32(v[0], bit); // buf0[7]
v[0] = _mm256_mullo_epi32(u[5], cospi24);
v[1] = _mm256_mullo_epi32(u[6], cospi40);
v[0] = _mm256_add_epi32(v[0], v[1]);
v[0] = _mm256_add_epi32(v[0], rnding);
out[5 * outstride + col] = _mm256_srai_epi32(v[0], bit); // buf0[5]
v[0] = _mm256_mullo_epi32(u[5], cospi40);
v[1] = _mm256_mullo_epi32(u[6], cospi24);
v[0] = _mm256_sub_epi32(v[1], v[0]);
v[0] = _mm256_add_epi32(v[0], rnding);
out[3 * outstride + col] = _mm256_srai_epi32(v[0], bit); // buf0[6]
out[0 * outstride + col] = u[0]; // buf0[0]
out[4 * outstride + col] = u[1]; // buf0[1]
out[2 * outstride + col] = u[2]; // buf0[2]
out[6 * outstride + col] = u[3]; // buf0[3]
}
}
static void fadst8_avx2(__m256i *in, __m256i *out, const int8_t bit,
const int col_num, const int outstirde) {
(void)col_num;
const int32_t *cospi = cospi_arr(bit);
const __m256i cospi32 = _mm256_set1_epi32(cospi[32]);
const __m256i cospi16 = _mm256_set1_epi32(cospi[16]);
const __m256i cospim16 = _mm256_set1_epi32(-cospi[16]);
const __m256i cospi48 = _mm256_set1_epi32(cospi[48]);
const __m256i cospim48 = _mm256_set1_epi32(-cospi[48]);
const __m256i cospi4 = _mm256_set1_epi32(cospi[4]);
const __m256i cospim4 = _mm256_set1_epi32(-cospi[4]);
const __m256i cospi60 = _mm256_set1_epi32(cospi[60]);
const __m256i cospi20 = _mm256_set1_epi32(cospi[20]);
const __m256i cospim20 = _mm256_set1_epi32(-cospi[20]);
const __m256i cospi44 = _mm256_set1_epi32(cospi[44]);
const __m256i cospi28 = _mm256_set1_epi32(cospi[28]);
const __m256i cospi36 = _mm256_set1_epi32(cospi[36]);
const __m256i cospim36 = _mm256_set1_epi32(-cospi[36]);
const __m256i cospi52 = _mm256_set1_epi32(cospi[52]);
const __m256i cospim52 = _mm256_set1_epi32(-cospi[52]);
const __m256i cospi12 = _mm256_set1_epi32(cospi[12]);
const __m256i rnding = _mm256_set1_epi32(1 << (bit - 1));
const __m256i zero = _mm256_setzero_si256();
__m256i u0, u1, u2, u3, u4, u5, u6, u7;
__m256i v0, v1, v2, v3, v4, v5, v6, v7;
__m256i x, y;
for (int col = 0; col < col_num; ++col) {
u0 = in[0 * col_num + col];
u1 = _mm256_sub_epi32(zero, in[7 * col_num + col]);
u2 = _mm256_sub_epi32(zero, in[3 * col_num + col]);
u3 = in[4 * col_num + col];
u4 = _mm256_sub_epi32(zero, in[1 * col_num + col]);
u5 = in[6 * col_num + col];
u6 = in[2 * col_num + col];
u7 = _mm256_sub_epi32(zero, in[5 * col_num + col]);
// stage 2
v0 = u0;
v1 = u1;
x = _mm256_mullo_epi32(u2, cospi32);
y = _mm256_mullo_epi32(u3, cospi32);
v2 = _mm256_add_epi32(x, y);
v2 = _mm256_add_epi32(v2, rnding);
v2 = _mm256_srai_epi32(v2, bit);
v3 = _mm256_sub_epi32(x, y);
v3 = _mm256_add_epi32(v3, rnding);
v3 = _mm256_srai_epi32(v3, bit);
v4 = u4;
v5 = u5;
x = _mm256_mullo_epi32(u6, cospi32);
y = _mm256_mullo_epi32(u7, cospi32);
v6 = _mm256_add_epi32(x, y);
v6 = _mm256_add_epi32(v6, rnding);
v6 = _mm256_srai_epi32(v6, bit);
v7 = _mm256_sub_epi32(x, y);
v7 = _mm256_add_epi32(v7, rnding);
v7 = _mm256_srai_epi32(v7, bit);
// stage 3
u0 = _mm256_add_epi32(v0, v2);
u1 = _mm256_add_epi32(v1, v3);
u2 = _mm256_sub_epi32(v0, v2);
u3 = _mm256_sub_epi32(v1, v3);
u4 = _mm256_add_epi32(v4, v6);
u5 = _mm256_add_epi32(v5, v7);
u6 = _mm256_sub_epi32(v4, v6);
u7 = _mm256_sub_epi32(v5, v7);
// stage 4
v0 = u0;
v1 = u1;
v2 = u2;
v3 = u3;
x = _mm256_mullo_epi32(u4, cospi16);
y = _mm256_mullo_epi32(u5, cospi48);
v4 = _mm256_add_epi32(x, y);
v4 = _mm256_add_epi32(v4, rnding);
v4 = _mm256_srai_epi32(v4, bit);
x = _mm256_mullo_epi32(u4, cospi48);
y = _mm256_mullo_epi32(u5, cospim16);
v5 = _mm256_add_epi32(x, y);
v5 = _mm256_add_epi32(v5, rnding);
v5 = _mm256_srai_epi32(v5, bit);
x = _mm256_mullo_epi32(u6, cospim48);
y = _mm256_mullo_epi32(u7, cospi16);
v6 = _mm256_add_epi32(x, y);
v6 = _mm256_add_epi32(v6, rnding);
v6 = _mm256_srai_epi32(v6, bit);
x = _mm256_mullo_epi32(u6, cospi16);
y = _mm256_mullo_epi32(u7, cospi48);
v7 = _mm256_add_epi32(x, y);
v7 = _mm256_add_epi32(v7, rnding);
v7 = _mm256_srai_epi32(v7, bit);
// stage 5
u0 = _mm256_add_epi32(v0, v4);
u1 = _mm256_add_epi32(v1, v5);
u2 = _mm256_add_epi32(v2, v6);
u3 = _mm256_add_epi32(v3, v7);
u4 = _mm256_sub_epi32(v0, v4);
u5 = _mm256_sub_epi32(v1, v5);
u6 = _mm256_sub_epi32(v2, v6);
u7 = _mm256_sub_epi32(v3, v7);
// stage 6
x = _mm256_mullo_epi32(u0, cospi4);
y = _mm256_mullo_epi32(u1, cospi60);
v0 = _mm256_add_epi32(x, y);
v0 = _mm256_add_epi32(v0, rnding);
v0 = _mm256_srai_epi32(v0, bit);
x = _mm256_mullo_epi32(u0, cospi60);
y = _mm256_mullo_epi32(u1, cospim4);
v1 = _mm256_add_epi32(x, y);
v1 = _mm256_add_epi32(v1, rnding);
v1 = _mm256_srai_epi32(v1, bit);
x = _mm256_mullo_epi32(u2, cospi20);
y = _mm256_mullo_epi32(u3, cospi44);
v2 = _mm256_add_epi32(x, y);
v2 = _mm256_add_epi32(v2, rnding);
v2 = _mm256_srai_epi32(v2, bit);
x = _mm256_mullo_epi32(u2, cospi44);
y = _mm256_mullo_epi32(u3, cospim20);
v3 = _mm256_add_epi32(x, y);
v3 = _mm256_add_epi32(v3, rnding);
v3 = _mm256_srai_epi32(v3, bit);
x = _mm256_mullo_epi32(u4, cospi36);
y = _mm256_mullo_epi32(u5, cospi28);
v4 = _mm256_add_epi32(x, y);
v4 = _mm256_add_epi32(v4, rnding);
v4 = _mm256_srai_epi32(v4, bit);
x = _mm256_mullo_epi32(u4, cospi28);
y = _mm256_mullo_epi32(u5, cospim36);
v5 = _mm256_add_epi32(x, y);
v5 = _mm256_add_epi32(v5, rnding);
v5 = _mm256_srai_epi32(v5, bit);
x = _mm256_mullo_epi32(u6, cospi52);
y = _mm256_mullo_epi32(u7, cospi12);
v6 = _mm256_add_epi32(x, y);
v6 = _mm256_add_epi32(v6, rnding);
v6 = _mm256_srai_epi32(v6, bit);
x = _mm256_mullo_epi32(u6, cospi12);
y = _mm256_mullo_epi32(u7, cospim52);
v7 = _mm256_add_epi32(x, y);
v7 = _mm256_add_epi32(v7, rnding);
v7 = _mm256_srai_epi32(v7, bit);
// stage 7
out[0 * outstirde + col] = v1;
out[1 * outstirde + col] = v6;
out[2 * outstirde + col] = v3;
out[3 * outstirde + col] = v4;
out[4 * outstirde + col] = v5;
out[5 * outstirde + col] = v2;
out[6 * outstirde + col] = v7;
out[7 * outstirde + col] = v0;
}
}
static void idtx8_avx2(__m256i *in, __m256i *out, const int8_t bit, int col_num,
int outstride) {
(void)bit;
(void)outstride;
int num_iters = 8 * col_num;
for (int i = 0; i < num_iters; i += 8) {
out[i] = _mm256_add_epi32(in[i], in[i]);
out[i + 1] = _mm256_add_epi32(in[i + 1], in[i + 1]);
out[i + 2] = _mm256_add_epi32(in[i + 2], in[i + 2]);
out[i + 3] = _mm256_add_epi32(in[i + 3], in[i + 3]);
out[i + 4] = _mm256_add_epi32(in[i + 4], in[i + 4]);
out[i + 5] = _mm256_add_epi32(in[i + 5], in[i + 5]);
out[i + 6] = _mm256_add_epi32(in[i + 6], in[i + 6]);
out[i + 7] = _mm256_add_epi32(in[i + 7], in[i + 7]);
}
}
void av1_fwd_txfm2d_8x8_avx2(const int16_t *input, int32_t *coeff, int stride,
TX_TYPE tx_type, int bd) {
__m256i in[8], out[8];
const TX_SIZE tx_size = TX_8X8;
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 width = tx_size_wide[tx_size];
const int width_div8 = (width >> 3);
switch (tx_type) {
case DCT_DCT:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fdct8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case ADST_DCT:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fdct8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case DCT_ADST:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case ADST_ADST:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case FLIPADST_DCT:
load_buffer_8x8_avx2(input, in, stride, 1, 0, shift[0]);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fdct8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case DCT_FLIPADST:
load_buffer_8x8_avx2(input, in, stride, 0, 1, shift[0]);
fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case FLIPADST_FLIPADST:
load_buffer_8x8_avx2(input, in, stride, 1, 1, shift[0]);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case ADST_FLIPADST:
load_buffer_8x8_avx2(input, in, stride, 0, 1, shift[0]);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case FLIPADST_ADST:
load_buffer_8x8_avx2(input, in, stride, 1, 0, shift[0]);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case IDTX:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
idtx8_avx2(out, in, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case V_DCT:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
idtx8_avx2(out, in, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case H_DCT:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case V_ADST:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
idtx8_avx2(out, in, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case H_ADST:
load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]);
idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case V_FLIPADST:
load_buffer_8x8_avx2(input, in, stride, 1, 0, shift[0]);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
idtx8_avx2(out, in, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
case H_FLIPADST:
load_buffer_8x8_avx2(input, in, stride, 0, 1, shift[0]);
idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
col_txfm_8x8_rounding(out, -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8);
store_buffer_avx2(in, coeff, 8, 8);
break;
default: assert(0);
}
(void)bd;
}
static void fdct16_avx2(__m256i *in, __m256i *out, const int8_t bit,
const int col_num, const int outstride) {
const int32_t *cospi = cospi_arr(bit);
const __m256i cospi32 = _mm256_set1_epi32(cospi[32]);
const __m256i cospim32 = _mm256_set1_epi32(-cospi[32]);
const __m256i cospi48 = _mm256_set1_epi32(cospi[48]);
const __m256i cospi16 = _mm256_set1_epi32(cospi[16]);
const __m256i cospim48 = _mm256_set1_epi32(-cospi[48]);
const __m256i cospim16 = _mm256_set1_epi32(-cospi[16]);
const __m256i cospi56 = _mm256_set1_epi32(cospi[56]);
const __m256i cospi8 = _mm256_set1_epi32(cospi[8]);
const __m256i cospi24 = _mm256_set1_epi32(cospi[24]);
const __m256i cospi40 = _mm256_set1_epi32(cospi[40]);
const __m256i cospi60 = _mm256_set1_epi32(cospi[60]);
const __m256i cospi4 = _mm256_set1_epi32(cospi[4]);
const __m256i cospi28 = _mm256_set1_epi32(cospi[28]);
const __m256i cospi36 = _mm256_set1_epi32(cospi[36]);
const __m256i cospi44 = _mm256_set1_epi32(cospi[44]);
const __m256i cospi20 = _mm256_set1_epi32(cospi[20]);
const __m256i cospi12 = _mm256_set1_epi32(cospi[12]);
const __m256i cospi52 = _mm256_set1_epi32(cospi[52]);
const __m256i rnding = _mm256_set1_epi32(1 << (bit - 1));
__m256i u[16], v[16], x;
int col;
// Calculate the column 0, 1, 2, 3
for (col = 0; col < col_num; ++col) {
// stage 0
// stage 1
u[0] = _mm256_add_epi32(in[0 * col_num + col], in[15 * col_num + col]);
u[15] = _mm256_sub_epi32(in[0 * col_num + col], in[15 * col_num + col]);
u[1] = _mm256_add_epi32(in[1 * col_num + col], in[14 * col_num + col]);
u[14] = _mm256_sub_epi32(in[1 * col_num + col], in[14 * col_num + col]);
u[2] = _mm256_add_epi32(in[2 * col_num + col], in[13 * col_num + col]);
u[13] = _mm256_sub_epi32(in[2 * col_num + col], in[13 * col_num + col]);
u[3] = _mm256_add_epi32(in[3 * col_num + col], in[12 * col_num + col]);
u[12] = _mm256_sub_epi32(in[3 * col_num + col], in[12 * col_num + col]);
u[4] = _mm256_add_epi32(in[4 * col_num + col], in[11 * col_num + col]);
u[11] = _mm256_sub_epi32(in[4 * col_num + col], in[11 * col_num + col]);
u[5] = _mm256_add_epi32(in[5 * col_num + col], in[10 * col_num + col]);
u[10] = _mm256_sub_epi32(in[5 * col_num + col], in[10 * col_num + col]);
u[6] = _mm256_add_epi32(in[6 * col_num + col], in[9 * col_num + col]);
u[9] = _mm256_sub_epi32(in[6 * col_num + col], in[9 * col_num + col]);
u[7] = _mm256_add_epi32(in[7 * col_num + col], in[8 * col_num + col]);
u[8] = _mm256_sub_epi32(in[7 * col_num + col], in[8 * col_num + col]);
// stage 2
v[0] = _mm256_add_epi32(u[0], u[7]);
v[7] = _mm256_sub_epi32(u[0], u[7]);
v[1] = _mm256_add_epi32(u[1], u[6]);
v[6] = _mm256_sub_epi32(u[1], u[6]);
v[2] = _mm256_add_epi32(u[2], u[5]);
v[5] = _mm256_sub_epi32(u[2], u[5]);
v[3] = _mm256_add_epi32(u[3], u[4]);
v[4] = _mm256_sub_epi32(u[3], u[4]);
v[8] = u[8];
v[9] = u[9];
v[10] = _mm256_mullo_epi32(u[10], cospim32);
x = _mm256_mullo_epi32(u[13], cospi32);
v[10] = _mm256_add_epi32(v[10], x);
v[10] = _mm256_add_epi32(v[10], rnding);
v[10] = _mm256_srai_epi32(v[10], bit);
v[13] = _mm256_mullo_epi32(u[10], cospi32);
x = _mm256_mullo_epi32(u[13], cospim32);
v[13] = _mm256_sub_epi32(v[13], x);
v[13] = _mm256_add_epi32(v[13], rnding);
v[13] = _mm256_srai_epi32(v[13], bit);
v[11] = _mm256_mullo_epi32(u[11], cospim32);
x = _mm256_mullo_epi32(u[12], cospi32);
v[11] = _mm256_add_epi32(v[11], x);
v[11] = _mm256_add_epi32(v[11], rnding);
v[11] = _mm256_srai_epi32(v[11], bit);
v[12] = _mm256_mullo_epi32(u[11], cospi32);
x = _mm256_mullo_epi32(u[12], cospim32);
v[12] = _mm256_sub_epi32(v[12], x);
v[12] = _mm256_add_epi32(v[12], rnding);
v[12] = _mm256_srai_epi32(v[12], bit);
v[14] = u[14];
v[15] = u[15];
// stage 3
u[0] = _mm256_add_epi32(v[0], v[3]);
u[3] = _mm256_sub_epi32(v[0], v[3]);
u[1] = _mm256_add_epi32(v[1], v[2]);
u[2] = _mm256_sub_epi32(v[1], v[2]);
u[4] = v[4];
u[5] = _mm256_mullo_epi32(v[5], cospim32);
x = _mm256_mullo_epi32(v[6], cospi32);
u[5] = _mm256_add_epi32(u[5], x);
u[5] = _mm256_add_epi32(u[5], rnding);
u[5] = _mm256_srai_epi32(u[5], bit);
u[6] = _mm256_mullo_epi32(v[5], cospi32);
x = _mm256_mullo_epi32(v[6], cospim32);
u[6] = _mm256_sub_epi32(u[6], x);
u[6] = _mm256_add_epi32(u[6], rnding);
u[6] = _mm256_srai_epi32(u[6], bit);
u[7] = v[7];
u[8] = _mm256_add_epi32(v[8], v[11]);
u[11] = _mm256_sub_epi32(v[8], v[11]);
u[9] = _mm256_add_epi32(v[9], v[10]);
u[10] = _mm256_sub_epi32(v[9], v[10]);
u[12] = _mm256_sub_epi32(v[15], v[12]);
u[15] = _mm256_add_epi32(v[15], v[12]);
u[13] = _mm256_sub_epi32(v[14], v[13]);
u[14] = _mm256_add_epi32(v[14], v[13]);
// stage 4
u[0] = _mm256_mullo_epi32(u[0], cospi32);
u[1] = _mm256_mullo_epi32(u[1], cospi32);
v[0] = _mm256_add_epi32(u[0], u[1]);
v[0] = _mm256_add_epi32(v[0], rnding);
v[0] = _mm256_srai_epi32(v[0], bit);
v[1] = _mm256_sub_epi32(u[0], u[1]);
v[1] = _mm256_add_epi32(v[1], rnding);
v[1] = _mm256_srai_epi32(v[1], bit);
v[2] = _mm256_mullo_epi32(u[2], cospi48);
x = _mm256_mullo_epi32(u[3], cospi16);
v[2] = _mm256_add_epi32(v[2], x);
v[2] = _mm256_add_epi32(v[2], rnding);
v[2] = _mm256_srai_epi32(v[2], bit);
v[3] = _mm256_mullo_epi32(u[2], cospi16);
x = _mm256_mullo_epi32(u[3], cospi48);
v[3] = _mm256_sub_epi32(x, v[3]);
v[3] = _mm256_add_epi32(v[3], rnding);
v[3] = _mm256_srai_epi32(v[3], bit);
v[4] = _mm256_add_epi32(u[4], u[5]);
v[5] = _mm256_sub_epi32(u[4], u[5]);
v[6] = _mm256_sub_epi32(u[7], u[6]);
v[7] = _mm256_add_epi32(u[7], u[6]);
v[8] = u[8];
v[9] = _mm256_mullo_epi32(u[9], cospim16);
x = _mm256_mullo_epi32(u[14], cospi48);
v[9] = _mm256_add_epi32(v[9], x);
v[9] = _mm256_add_epi32(v[9], rnding);
v[9] = _mm256_srai_epi32(v[9], bit);
v[14] = _mm256_mullo_epi32(u[9], cospi48);
x = _mm256_mullo_epi32(u[14], cospim16);
v[14] = _mm256_sub_epi32(v[14], x);
v[14] = _mm256_add_epi32(v[14], rnding);
v[14] = _mm256_srai_epi32(v[14], bit);
v[10] = _mm256_mullo_epi32(u[10], cospim48);
x = _mm256_mullo_epi32(u[13], cospim16);
v[10] = _mm256_add_epi32(v[10], x);
v[10] = _mm256_add_epi32(v[10], rnding);
v[10] = _mm256_srai_epi32(v[10], bit);
v[13] = _mm256_mullo_epi32(u[10], cospim16);
x = _mm256_mullo_epi32(u[13], cospim48);
v[13] = _mm256_sub_epi32(v[13], x);
v[13] = _mm256_add_epi32(v[13], rnding);
v[13] = _mm256_srai_epi32(v[13], bit);
v[11] = u[11];
v[12] = u[12];
v[15] = u[15];
// stage 5
u[0] = v[0];
u[1] = v[1];
u[2] = v[2];
u[3] = v[3];
u[4] = _mm256_mullo_epi32(v[4], cospi56);
x = _mm256_mullo_epi32(v[7], cospi8);
u[4] = _mm256_add_epi32(u[4], x);
u[4] = _mm256_add_epi32(u[4], rnding);
u[4] = _mm256_srai_epi32(u[4], bit);
u[7] = _mm256_mullo_epi32(v[4], cospi8);
x = _mm256_mullo_epi32(v[7], cospi56);
u[7] = _mm256_sub_epi32(x, u[7]);
u[7] = _mm256_add_epi32(u[7], rnding);
u[7] = _mm256_srai_epi32(u[7], bit);
u[5] = _mm256_mullo_epi32(v[5], cospi24);
x = _mm256_mullo_epi32(v[6], cospi40);
u[5] = _mm256_add_epi32(u[5], x);
u[5] = _mm256_add_epi32(u[5], rnding);
u[5] = _mm256_srai_epi32(u[5], bit);
u[6] = _mm256_mullo_epi32(v[5], cospi40);
x = _mm256_mullo_epi32(v[6], cospi24);
u[6] = _mm256_sub_epi32(x, u[6]);
u[6] = _mm256_add_epi32(u[6], rnding);
u[6] = _mm256_srai_epi32(u[6], bit);
u[8] = _mm256_add_epi32(v[8], v[9]);
u[9] = _mm256_sub_epi32(v[8], v[9]);
u[10] = _mm256_sub_epi32(v[11], v[10]);
u[11] = _mm256_add_epi32(v[11], v[10]);
u[12] = _mm256_add_epi32(v[12], v[13]);
u[13] = _mm256_sub_epi32(v[12], v[13]);
u[14] = _mm256_sub_epi32(v[15], v[14]);
u[15] = _mm256_add_epi32(v[15], v[14]);
// stage 6
v[0] = u[0];
v[1] = u[1];
v[2] = u[2];
v[3] = u[3];
v[4] = u[4];
v[5] = u[5];
v[6] = u[6];
v[7] = u[7];
v[8] = _mm256_mullo_epi32(u[8], cospi60);
x = _mm256_mullo_epi32(u[15], cospi4);
v[8] = _mm256_add_epi32(v[8], x);
v[8] = _mm256_add_epi32(v[8], rnding);
v[8] = _mm256_srai_epi32(v[8], bit);
v[15] = _mm256_mullo_epi32(u[8], cospi4);
x = _mm256_mullo_epi32(u[15], cospi60);
v[15] = _mm256_sub_epi32(x, v[15]);
v[15] = _mm256_add_epi32(v[15], rnding);
v[15] = _mm256_srai_epi32(v[15], bit);
v[9] = _mm256_mullo_epi32(u[9], cospi28);
x = _mm256_mullo_epi32(u[14], cospi36);
v[9] = _mm256_add_epi32(v[9], x);
v[9] = _mm256_add_epi32(v[9], rnding);
v[9] = _mm256_srai_epi32(v[9], bit);
v[14] = _mm256_mullo_epi32(u[9], cospi36);
x = _mm256_mullo_epi32(u[14], cospi28);
v[14] = _mm256_sub_epi32(x, v[14]);
v[14] = _mm256_add_epi32(v[14], rnding);
v[14] = _mm256_srai_epi32(v[14], bit);
v[10] = _mm256_mullo_epi32(u[10], cospi44);
x = _mm256_mullo_epi32(u[13], cospi20);
v[10] = _mm256_add_epi32(v[10], x);
v[10] = _mm256_add_epi32(v[10], rnding);
v[10] = _mm256_srai_epi32(v[10], bit);
v[13] = _mm256_mullo_epi32(u[10], cospi20);
x = _mm256_mullo_epi32(u[13], cospi44);
v[13] = _mm256_sub_epi32(x, v[13]);
v[13] = _mm256_add_epi32(v[13], rnding);
v[13] = _mm256_srai_epi32(v[13], bit);
v[11] = _mm256_mullo_epi32(u[11], cospi12);
x = _mm256_mullo_epi32(u[12], cospi52);
v[11] = _mm256_add_epi32(v[11], x);
v[11] = _mm256_add_epi32(v[11], rnding);
v[11] = _mm256_srai_epi32(v[11], bit);
v[12] = _mm256_mullo_epi32(u[11], cospi52);
x = _mm256_mullo_epi32(u[12], cospi12);
v[12] = _mm256_sub_epi32(x, v[12]);
v[12] = _mm256_add_epi32(v[12], rnding);
v[12] = _mm256_srai_epi32(v[12], bit);
out[0 * outstride + col] = v[0];
out[1 * outstride + col] = v[8];
out[2 * outstride + col] = v[4];
out[3 * outstride + col] = v[12];
out[4 * outstride + col] = v[2];
out[5 * outstride + col] = v[10];
out[6 * outstride + col] = v[6];
out[7 * outstride + col] = v[14];
out[8 * outstride + col] = v[1];
out[9 * outstride + col] = v[9];
out[10 * outstride + col] = v[5];
out[11 * outstride + col] = v[13];
out[12 * outstride + col] = v[3];
out[13 * outstride + col] = v[11];
out[14 * outstride + col] = v[7];
out[15 * outstride + col] = v[15];
}
}
static void fadst16_avx2(__m256i *in, __m256i *out, const int8_t bit,
const int num_cols, const int outstride) {
const int32_t *cospi = cospi_arr(bit);
const __m256i cospi32 = _mm256_set1_epi32(cospi[32]);
const __m256i cospi48 = _mm256_set1_epi32(cospi[48]);
const __m256i cospi16 = _mm256_set1_epi32(cospi[16]);
const __m256i cospim16 = _mm256_set1_epi32(-cospi[16]);
const __m256i cospim48 = _mm256_set1_epi32(-cospi[48]);
const __m256i cospi8 = _mm256_set1_epi32(cospi[8]);
const __m256i cospi56 = _mm256_set1_epi32(cospi[56]);
const __m256i cospim56 = _mm256_set1_epi32(-cospi[56]);
const __m256i cospim8 = _mm256_set1_epi32(-cospi[8]);
const __m256i cospi24 = _mm256_set1_epi32(cospi[24]);
const __m256i cospim24 = _mm256_set1_epi32(-cospi[24]);
const __m256i cospim40 = _mm256_set1_epi32(-cospi[40]);
const __m256i cospi40 = _mm256_set1_epi32(cospi[40]);
const __m256i cospi2 = _mm256_set1_epi32(cospi[2]);
const __m256i cospi62 = _mm256_set1_epi32(cospi[62]);
const __m256i cospim2 = _mm256_set1_epi32(-cospi[2]);
const __m256i cospi10 = _mm256_set1_epi32(cospi[10]);
const __m256i cospi54 = _mm256_set1_epi32(cospi[54]);
const __m256i cospim10 = _mm256_set1_epi32(-cospi[10]);
const __m256i cospi18 = _mm256_set1_epi32(cospi[18]);
const __m256i cospi46 = _mm256_set1_epi32(cospi[46]);
const __m256i cospim18 = _mm256_set1_epi32(-cospi[18]);
const __m256i cospi26 = _mm256_set1_epi32(cospi[26]);
const __m256i cospi38 = _mm256_set1_epi32(cospi[38]);
const __m256i cospim26 = _mm256_set1_epi32(-cospi[26]);
const __m256i cospi34 = _mm256_set1_epi32(cospi[34]);
const __m256i cospi30 = _mm256_set1_epi32(cospi[30]);
const __m256i cospim34 = _mm256_set1_epi32(-cospi[34]);
const __m256i cospi42 = _mm256_set1_epi32(cospi[42]);
const __m256i cospi22 = _mm256_set1_epi32(cospi[22]);
const __m256i cospim42 = _mm256_set1_epi32(-cospi[42]);
const __m256i cospi50 = _mm256_set1_epi32(cospi[50]);
const __m256i cospi14 = _mm256_set1_epi32(cospi[14]);
const __m256i cospim50 = _mm256_set1_epi32(-cospi[50]);
const __m256i cospi58 = _mm256_set1_epi32(cospi[58]);
const __m256i cospi6 = _mm256_set1_epi32(cospi[6]);
const __m256i cospim58 = _mm256_set1_epi32(-cospi[58]);
const __m256i rnding = _mm256_set1_epi32(1 << (bit - 1));
const __m256i zero = _mm256_setzero_si256();
__m256i u[16], v[16], x, y;
int col;
for (col = 0; col < num_cols; ++col) {
// stage 0
// stage 1
u[0] = in[0 * num_cols + col];
u[1] = _mm256_sub_epi32(zero, in[15 * num_cols + col]);
u[2] = _mm256_sub_epi32(zero, in[7 * num_cols + col]);
u[3] = in[8 * num_cols + col];
u[4] = _mm256_sub_epi32(zero, in[3 * num_cols + col]);
u[5] = in[12 * num_cols + col];
u[6] = in[4 * num_cols + col];
u[7] = _mm256_sub_epi32(zero, in[11 * num_cols + col]);
u[8] = _mm256_sub_epi32(zero, in[1 * num_cols + col]);
u[9] = in[14 * num_cols + col];
u[10] = in[6 * num_cols + col];
u[11] = _mm256_sub_epi32(zero, in[9 * num_cols + col]);
u[12] = in[2 * num_cols + col];
u[13] = _mm256_sub_epi32(zero, in[13 * num_cols + col]);
u[14] = _mm256_sub_epi32(zero, in[5 * num_cols + col]);
u[15] = in[10 * num_cols + col];
// stage 2
v[0] = u[0];
v[1] = u[1];
x = _mm256_mullo_epi32(u[2], cospi32);
y = _mm256_mullo_epi32(u[3], cospi32);
v[2] = _mm256_add_epi32(x, y);
v[2] = _mm256_add_epi32(v[2], rnding);
v[2] = _mm256_srai_epi32(v[2], bit);
v[3] = _mm256_sub_epi32(x, y);
v[3] = _mm256_add_epi32(v[3], rnding);
v[3] = _mm256_srai_epi32(v[3], bit);
v[4] = u[4];
v[5] = u[5];
x = _mm256_mullo_epi32(u[6], cospi32);
y = _mm256_mullo_epi32(u[7], cospi32);
v[6] = _mm256_add_epi32(x, y);
v[6] = _mm256_add_epi32(v[6], rnding);
v[6] = _mm256_srai_epi32(v[6], bit);
v[7] = _mm256_sub_epi32(x, y);
v[7] = _mm256_add_epi32(v[7], rnding);
v[7] = _mm256_srai_epi32(v[7], bit);
v[8] = u[8];
v[9] = u[9];
x = _mm256_mullo_epi32(u[10], cospi32);
y = _mm256_mullo_epi32(u[11], cospi32);
v[10] = _mm256_add_epi32(x, y);
v[10] = _mm256_add_epi32(v[10], rnding);
v[10] = _mm256_srai_epi32(v[10], bit);
v[11] = _mm256_sub_epi32(x, y);
v[11] = _mm256_add_epi32(v[11], rnding);
v[11] = _mm256_srai_epi32(v[11], bit);
v[12] = u[12];
v[13] = u[13];
x = _mm256_mullo_epi32(u[14], cospi32);
y = _mm256_mullo_epi32(u[15], cospi32);
v[14] = _mm256_add_epi32(x, y);
v[14] = _mm256_add_epi32(v[14], rnding);
v[14] = _mm256_srai_epi32(v[14], bit);
v[15] = _mm256_sub_epi32(x, y);
v[15] = _mm256_add_epi32(v[15], rnding);
v[15] = _mm256_srai_epi32(v[15], bit);
// stage 3
u[0] = _mm256_add_epi32(v[0], v[2]);
u[1] = _mm256_add_epi32(v[1], v[3]);
u[2] = _mm256_sub_epi32(v[0], v[2]);
u[3] = _mm256_sub_epi32(v[1], v[3]);
u[4] = _mm256_add_epi32(v[4], v[6]);
u[5] = _mm256_add_epi32(v[5], v[7]);
u[6] = _mm256_sub_epi32(v[4], v[6]);
u[7] = _mm256_sub_epi32(v[5], v[7]);
u[8] = _mm256_add_epi32(v[8], v[10]);
u[9] = _mm256_add_epi32(v[9], v[11]);
u[10] = _mm256_sub_epi32(v[8], v[10]);
u[11] = _mm256_sub_epi32(v[9], v[11]);
u[12] = _mm256_add_epi32(v[12], v[14]);
u[13] = _mm256_add_epi32(v[13], v[15]);
u[14] = _mm256_sub_epi32(v[12], v[14]);
u[15] = _mm256_sub_epi32(v[13], v[15]);
// stage 4
v[0] = u[0];
v[1] = u[1];
v[2] = u[2];
v[3] = u[3];
v[4] = av1_half_btf_avx2(&cospi16, &u[4], &cospi48, &u[5], &rnding, bit);
v[5] = av1_half_btf_avx2(&cospi48, &u[4], &cospim16, &u[5], &rnding, bit);
v[6] = av1_half_btf_avx2(&cospim48, &u[6], &cospi16, &u[7], &rnding, bit);
v[7] = av1_half_btf_avx2(&cospi16, &u[6], &cospi48, &u[7], &rnding, bit);
v[8] = u[8];
v[9] = u[9];
v[10] = u[10];
v[11] = u[11];
v[12] = av1_half_btf_avx2(&cospi16, &u[12], &cospi48, &u[13], &rnding, bit);
v[13] =
av1_half_btf_avx2(&cospi48, &u[12], &cospim16, &u[13], &rnding, bit);
v[14] =
av1_half_btf_avx2(&cospim48, &u[14], &cospi16, &u[15], &rnding, bit);
v[15] = av1_half_btf_avx2(&cospi16, &u[14], &cospi48, &u[15], &rnding, bit);
// stage 5
u[0] = _mm256_add_epi32(v[0], v[4]);
u[1] = _mm256_add_epi32(v[1], v[5]);
u[2] = _mm256_add_epi32(v[2], v[6]);
u[3] = _mm256_add_epi32(v[3], v[7]);
u[4] = _mm256_sub_epi32(v[0], v[4]);
u[5] = _mm256_sub_epi32(v[1], v[5]);
u[6] = _mm256_sub_epi32(v[2], v[6]);
u[7] = _mm256_sub_epi32(v[3], v[7]);
u[8] = _mm256_add_epi32(v[8], v[12]);
u[9] = _mm256_add_epi32(v[9], v[13]);
u[10] = _mm256_add_epi32(v[10], v[14]);
u[11] = _mm256_add_epi32(v[11], v[15]);
u[12] = _mm256_sub_epi32(v[8], v[12]);
u[13] = _mm256_sub_epi32(v[9], v[13]);
u[14] = _mm256_sub_epi32(v[10], v[14]);
u[15] = _mm256_sub_epi32(v[11], v[15]);
// stage 6
v[0] = u[0];
v[1] = u[1];
v[2] = u[2];
v[3] = u[3];
v[4] = u[4];
v[5] = u[5];
v[6] = u[6];
v[7] = u[7];
v[8] = av1_half_btf_avx2(&cospi8, &u[8], &cospi56, &u[9], &rnding, bit);
v[9] = av1_half_btf_avx2(&cospi56, &u[8], &cospim8, &u[9], &rnding, bit);
v[10] = av1_half_btf_avx2(&cospi40, &u[10], &cospi24, &u[11], &rnding, bit);
v[11] =
av1_half_btf_avx2(&cospi24, &u[10], &cospim40, &u[11], &rnding, bit);
v[12] = av1_half_btf_avx2(&cospim56, &u[12], &cospi8, &u[13], &rnding, bit);
v[13] = av1_half_btf_avx2(&cospi8, &u[12], &cospi56, &u[13], &rnding, bit);
v[14] =
av1_half_btf_avx2(&cospim24, &u[14], &cospi40, &u[15], &rnding, bit);
v[15] = av1_half_btf_avx2(&cospi40, &u[14], &cospi24, &u[15], &rnding, bit);
// stage 7
u[0] = _mm256_add_epi32(v[0], v[8]);
u[1] = _mm256_add_epi32(v[1], v[9]);
u[2] = _mm256_add_epi32(v[2], v[10]);
u[3] = _mm256_add_epi32(v[3], v[11]);
u[4] = _mm256_add_epi32(v[4], v[12]);
u[5] = _mm256_add_epi32(v[5], v[13]);
u[6] = _mm256_add_epi32(v[6], v[14]);
u[7] = _mm256_add_epi32(v[7], v[15]);
u[8] = _mm256_sub_epi32(v[0], v[8]);
u[9] = _mm256_sub_epi32(v[1], v[9]);
u[10] = _mm256_sub_epi32(v[2], v[10]);
u[11] = _mm256_sub_epi32(v[3], v[11]);
u[12] = _mm256_sub_epi32(v[4], v[12]);
u[13] = _mm256_sub_epi32(v[5], v[13]);
u[14] = _mm256_sub_epi32(v[6], v[14]);
u[15] = _mm256_sub_epi32(v[7], v[15]);
// stage 8
v[0] = av1_half_btf_avx2(&cospi2, &u[0], &cospi62, &u[1], &rnding, bit);
v[1] = av1_half_btf_avx2(&cospi62, &u[0], &cospim2, &u[1], &rnding, bit);
v[2] = av1_half_btf_avx2(&cospi10, &u[2], &cospi54, &u[3], &rnding, bit);
v[3] = av1_half_btf_avx2(&cospi54, &u[2], &cospim10, &u[3], &rnding, bit);
v[4] = av1_half_btf_avx2(&cospi18, &u[4], &cospi46, &u[5], &rnding, bit);
v[5] = av1_half_btf_avx2(&cospi46, &u[4], &cospim18, &u[5], &rnding, bit);
v[6] = av1_half_btf_avx2(&cospi26, &u[6], &cospi38, &u[7], &rnding, bit);
v[7] = av1_half_btf_avx2(&cospi38, &u[6], &cospim26, &u[7], &rnding, bit);
v[8] = av1_half_btf_avx2(&cospi34, &u[8], &cospi30, &u[9], &rnding, bit);
v[9] = av1_half_btf_avx2(&cospi30, &u[8], &cospim34, &u[9], &rnding, bit);
v[10] = av1_half_btf_avx2(&cospi42, &u[10], &cospi22, &u[11], &rnding, bit);
v[11] =
av1_half_btf_avx2(&cospi22, &u[10], &cospim42, &u[11], &rnding, bit);
v[12] = av1_half_btf_avx2(&cospi50, &u[12], &cospi14, &u[13], &rnding, bit);
v[13] =
av1_half_btf_avx2(&cospi14, &u[12], &cospim50, &u[13], &rnding, bit);
v[14] = av1_half_btf_avx2(&cospi58, &u[14], &cospi6, &u[15], &rnding, bit);
v[15] = av1_half_btf_avx2(&cospi6, &u[14], &cospim58, &u[15], &rnding, bit);
// stage 9
out[0 * outstride + col] = v[1];
out[1 * outstride + col] = v[14];
out[2 * outstride + col] = v[3];
out[3 * outstride + col] = v[12];
out[4 * outstride + col] = v[5];
out[5 * outstride + col] = v[10];
out[6 * outstride + col] = v[7];
out[7 * outstride + col] = v[8];
out[8 * outstride + col] = v[9];
out[9 * outstride + col] = v[6];
out[10 * outstride + col] = v[11];
out[11 * outstride + col] = v[4];
out[12 * outstride + col] = v[13];
out[13 * outstride + col] = v[2];
out[14 * outstride + col] = v[15];
out[15 * outstride + col] = v[0];
}
}
static void idtx16_avx2(__m256i *in, __m256i *out, const int8_t bit,
int col_num, const int outstride) {
(void)bit;
(void)outstride;
__m256i fact = _mm256_set1_epi32(2 * NewSqrt2);
__m256i offset = _mm256_set1_epi32(1 << (NewSqrt2Bits - 1));
__m256i a_low;
int num_iters = 16 * col_num;
for (int i = 0; i < num_iters; i++) {
a_low = _mm256_mullo_epi32(in[i], fact);
a_low = _mm256_add_epi32(a_low, offset);
out[i] = _mm256_srai_epi32(a_low, NewSqrt2Bits);
}
}
static const transform_1d_avx2 col_highbd_txfm8x16_arr[TX_TYPES] = {
fdct16_avx2, // DCT_DCT
fadst16_avx2, // ADST_DCT
fdct16_avx2, // DCT_ADST
fadst16_avx2, // ADST_ADST
fadst16_avx2, // FLIPADST_DCT
fdct16_avx2, // DCT_FLIPADST
fadst16_avx2, // FLIPADST_FLIPADST
fadst16_avx2, // ADST_FLIPADST
fadst16_avx2, // FLIPADST_ADST
idtx16_avx2, // IDTX
fdct16_avx2, // V_DCT
idtx16_avx2, // H_DCT
fadst16_avx2, // V_ADST
idtx16_avx2, // H_ADST
fadst16_avx2, // V_FLIPADST
idtx16_avx2 // H_FLIPADST
};
static const transform_1d_avx2 row_highbd_txfm8x8_arr[TX_TYPES] = {
fdct8_avx2, // DCT_DCT
fdct8_avx2, // ADST_DCT
fadst8_avx2, // DCT_ADST
fadst8_avx2, // ADST_ADST
fdct8_avx2, // FLIPADST_DCT
fadst8_avx2, // DCT_FLIPADST
fadst8_avx2, // FLIPADST_FLIPADST
fadst8_avx2, // ADST_FLIPADST
fadst8_avx2, // FLIPADST_ADST
idtx8_avx2, // IDTX
idtx8_avx2, // V_DCT
fdct8_avx2, // H_DCT
idtx8_avx2, // V_ADST
fadst8_avx2, // H_ADST
idtx8_avx2, // V_FLIPADST
fadst8_avx2 // H_FLIPADST
};
void av1_fwd_txfm2d_8x16_avx2(const int16_t *input, int32_t *coeff, int stride,
TX_TYPE tx_type, int bd) {
__m256i in[16], out[16];
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 transform_1d_avx2 col_txfm = col_highbd_txfm8x16_arr[tx_type];
const transform_1d_avx2 row_txfm = row_highbd_txfm8x8_arr[tx_type];
const int8_t bit = av1_fwd_cos_bit_col[txw_idx][txh_idx];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
load_buffer_8x16_avx2(input, in, stride, ud_flip, lr_flip, shift[0]);
col_txfm(in, out, bit, 1, 1);
col_txfm_8x8_rounding(out, -shift[1]);
col_txfm_8x8_rounding(&out[8], -shift[1]);
fwd_txfm_transpose_8x8_avx2(out, in, 1, 2);
fwd_txfm_transpose_8x8_avx2(&out[8], &in[1], 1, 2);
row_txfm(in, out, bit, 2, 2);
fwd_txfm_transpose_8x8_avx2(out, in, 2, 1);
fwd_txfm_transpose_8x8_avx2(&out[1], &in[8], 2, 1);
round_shift_rect_array_32_avx2(in, in, 16, -shift[2], NewSqrt2);
store_buffer_avx2(in, coeff, 8, 16);
(void)bd;
}
static const transform_1d_avx2 col_highbd_txfm8x8_arr[TX_TYPES] = {
fdct8_avx2, // DCT_DCT
fadst8_avx2, // ADST_DCT
fdct8_avx2, // DCT_ADST
fadst8_avx2, // ADST_ADST
fadst8_avx2, // FLIPADST_DCT
fdct8_avx2, // DCT_FLIPADST
fadst8_avx2, // FLIPADST_FLIPADST
fadst8_avx2, // ADST_FLIPADST
fadst8_avx2, // FLIPADST_ADST
idtx8_avx2, // IDTX
fdct8_avx2, // V_DCT
idtx8_avx2, // H_DCT
fadst8_avx2, // V_ADST
idtx8_avx2, // H_ADST
fadst8_avx2, // V_FLIPADST
idtx8_avx2 // H_FLIPADST
};
static const transform_1d_avx2 row_highbd_txfm8x16_arr[TX_TYPES] = {
fdct16_avx2, // DCT_DCT
fdct16_avx2, // ADST_DCT
fadst16_avx2, // DCT_ADST
fadst16_avx2, // ADST_ADST
fdct16_avx2, // FLIPADST_DCT
fadst16_avx2, // DCT_FLIPADST
fadst16_avx2, // FLIPADST_FLIPADST
fadst16_avx2, // ADST_FLIPADST
fadst16_avx2, // FLIPADST_ADST
idtx16_avx2, // IDTX
idtx16_avx2, // V_DCT
fdct16_avx2, // H_DCT
idtx16_avx2, // V_ADST
fadst16_avx2, // H_ADST
idtx16_avx2, // V_FLIPADST
fadst16_avx2 // H_FLIPADST
};
void av1_fwd_txfm2d_16x8_avx2(const int16_t *input, int32_t *coeff, int stride,
TX_TYPE tx_type, int bd) {
__m256i in[16], out[16];
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 transform_1d_avx2 col_txfm = col_highbd_txfm8x8_arr[tx_type];
const transform_1d_avx2 row_txfm = row_highbd_txfm8x16_arr[tx_type];
const int8_t bit = av1_fwd_cos_bit_col[txw_idx][txh_idx];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
load_buffer_16xn_avx2(input, in, stride, 8, 2, ud_flip, lr_flip);
round_shift_32_8xn_avx2(in, 16, shift[0], 1);
col_txfm(in, out, bit, 2, 2);
round_shift_32_8xn_avx2(out, 16, shift[1], 1);
fwd_txfm_transpose_8x8_avx2(out, in, 2, 1);
fwd_txfm_transpose_8x8_avx2(&out[1], &in[8], 2, 1);
row_txfm(in, out, bit, 1, 1);
fwd_txfm_transpose_8x8_avx2(out, in, 1, 2);
fwd_txfm_transpose_8x8_avx2(&out[8], &in[1], 1, 2);
round_shift_rect_array_32_avx2(in, in, 16, -shift[2], NewSqrt2);
store_buffer_avx2(in, coeff, 8, 16);
(void)bd;
}
void av1_fwd_txfm2d_16x16_avx2(const int16_t *input, int32_t *coeff, int stride,
TX_TYPE tx_type, int bd) {
__m256i in[32], out[32];
const TX_SIZE tx_size = TX_16X16;
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 width = tx_size_wide[tx_size];
const int height = tx_size_high[tx_size];
const int width_div8 = (width >> 3);
const int width_div16 = (width >> 4);
const int size = (height << 1);
switch (tx_type) {
case DCT_DCT:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fdct16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fdct16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case ADST_DCT:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fdct16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case DCT_ADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fdct16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case ADST_ADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case FLIPADST_DCT:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 1, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fdct16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case DCT_FLIPADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 1);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fdct16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case FLIPADST_FLIPADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 1, 1);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case ADST_FLIPADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 1);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case FLIPADST_ADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 1, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case IDTX:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
idtx16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
idtx16_avx2(out, in, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
store_buffer_avx2(in, coeff, 8, 32);
break;
case V_DCT:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fdct16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
idtx16_avx2(out, in, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
store_buffer_avx2(in, coeff, 8, 32);
break;
case H_DCT:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
idtx16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fdct16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case V_ADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
idtx16_avx2(out, in, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
store_buffer_avx2(in, coeff, 8, 32);
break;
case H_ADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
idtx16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
case V_FLIPADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 1, 0);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
idtx16_avx2(out, in, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
store_buffer_avx2(in, coeff, 8, 32);
break;
case H_FLIPADST:
load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 1);
round_shift_32_8xn_avx2(in, size, shift[0], width_div16);
idtx16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8,
width_div8);
round_shift_32_8xn_avx2(out, size, shift[1], width_div16);
fwd_txfm_transpose_16x16_avx2(out, in);
fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8,
width_div8);
fwd_txfm_transpose_16x16_avx2(out, in);
store_buffer_avx2(in, coeff, 8, 32);
break;
default: assert(0);
}
(void)bd;
}
static INLINE void fdct32_avx2(__m256i *input, __m256i *output,
const int8_t cos_bit, const int instride,
const int outstride) {
__m256i buf0[32];
__m256i buf1[32];
const int32_t *cospi;
int startidx = 0 * instride;
int endidx = 31 * instride;
// stage 0
// stage 1
buf1[0] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[31] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[1] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[30] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[2] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[29] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[3] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[28] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[4] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[27] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[5] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[26] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[6] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[25] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[7] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[24] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[8] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[23] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[9] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[22] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[10] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[21] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[11] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[20] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[12] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[19] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[13] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[18] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[14] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[17] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
buf1[15] = _mm256_add_epi32(input[startidx], input[endidx]);
buf1[16] = _mm256_sub_epi32(input[startidx], input[endidx]);
// stage 2
cospi = cospi_arr(cos_bit);
buf0[0] = _mm256_add_epi32(buf1[0], buf1[15]);
buf0[15] = _mm256_sub_epi32(buf1[0], buf1[15]);
buf0[1] = _mm256_add_epi32(buf1[1], buf1[14]);
buf0[14] = _mm256_sub_epi32(buf1[1], buf1[14]);
buf0[2] = _mm256_add_epi32(buf1[2], buf1[13]);
buf0[13] = _mm256_sub_epi32(buf1[2], buf1[13]);
buf0[3] = _mm256_add_epi32(buf1[3], buf1[12]);
buf0[12] = _mm256_sub_epi32(buf1[3], buf1[12]);
buf0[4] = _mm256_add_epi32(buf1[4], buf1[11]);
buf0[11] = _mm256_sub_epi32(buf1[4], buf1[11]);
buf0[5] = _mm256_add_epi32(buf1[5], buf1[10]);
buf0[10] = _mm256_sub_epi32(buf1[5], buf1[10]);
buf0[6] = _mm256_add_epi32(buf1[6], buf1[9]);
buf0[9] = _mm256_sub_epi32(buf1[6], buf1[9]);
buf0[7] = _mm256_add_epi32(buf1[7], buf1[8]);
buf0[8] = _mm256_sub_epi32(buf1[7], buf1[8]);
buf0[16] = buf1[16];
buf0[17] = buf1[17];
buf0[18] = buf1[18];
buf0[19] = buf1[19];
btf_32_avx2_type0(-cospi[32], cospi[32], buf1[20], buf1[27], buf0[20],
buf0[27], cos_bit);
btf_32_avx2_type0(-cospi[32], cospi[32], buf1[21], buf1[26], buf0[21],
buf0[26], cos_bit);
btf_32_avx2_type0(-cospi[32], cospi[32], buf1[22], buf1[25], buf0[22],
buf0[25], cos_bit);
btf_32_avx2_type0(-cospi[32], cospi[32], buf1[23], buf1[24], buf0[23],
buf0[24], cos_bit);
buf0[28] = buf1[28];
buf0[29] = buf1[29];
buf0[30] = buf1[30];
buf0[31] = buf1[31];
// stage 3
cospi = cospi_arr(cos_bit);
buf1[0] = _mm256_add_epi32(buf0[0], buf0[7]);
buf1[7] = _mm256_sub_epi32(buf0[0], buf0[7]);
buf1[1] = _mm256_add_epi32(buf0[1], buf0[6]);
buf1[6] = _mm256_sub_epi32(buf0[1], buf0[6]);
buf1[2] = _mm256_add_epi32(buf0[2], buf0[5]);
buf1[5] = _mm256_sub_epi32(buf0[2], buf0[5]);
buf1[3] = _mm256_add_epi32(buf0[3], buf0[4]);
buf1[4] = _mm256_sub_epi32(buf0[3], buf0[4]);
buf1[8] = buf0[8];
buf1[9] = buf0[9];
btf_32_avx2_type0(-cospi[32], cospi[32], buf0[10], buf0[13], buf1[10],
buf1[13], cos_bit);
btf_32_avx2_type0(-cospi[32], cospi[32], buf0[11], buf0[12], buf1[11],
buf1[12], cos_bit);
buf1[14] = buf0[14];
buf1[15] = buf0[15];
buf1[16] = _mm256_add_epi32(buf0[16], buf0[23]);
buf1[23] = _mm256_sub_epi32(buf0[16], buf0[23]);
buf1[17] = _mm256_add_epi32(buf0[17], buf0[22]);
buf1[22] = _mm256_sub_epi32(buf0[17], buf0[22]);
buf1[18] = _mm256_add_epi32(buf0[18], buf0[21]);
buf1[21] = _mm256_sub_epi32(buf0[18], buf0[21]);
buf1[19] = _mm256_add_epi32(buf0[19], buf0[20]);
buf1[20] = _mm256_sub_epi32(buf0[19], buf0[20]);
buf1[24] = _mm256_sub_epi32(buf0[31], buf0[24]);
buf1[31] = _mm256_add_epi32(buf0[31], buf0[24]);
buf1[25] = _mm256_sub_epi32(buf0[30], buf0[25]);
buf1[30] = _mm256_add_epi32(buf0[30], buf0[25]);
buf1[26] = _mm256_sub_epi32(buf0[29], buf0[26]);
buf1[29] = _mm256_add_epi32(buf0[29], buf0[26]);
buf1[27] = _mm256_sub_epi32(buf0[28], buf0[27]);
buf1[28] = _mm256_add_epi32(buf0[28], buf0[27]);
// stage 4
cospi = cospi_arr(cos_bit);
buf0[0] = _mm256_add_epi32(buf1[0], buf1[3]);
buf0[3] = _mm256_sub_epi32(buf1[0], buf1[3]);
buf0[1] = _mm256_add_epi32(buf1[1], buf1[2]);
buf0[2] = _mm256_sub_epi32(buf1[1], buf1[2]);
buf0[4] = buf1[4];
btf_32_avx2_type0(-cospi[32], cospi[32], buf1[5], buf1[6], buf0[5], buf0[6],
cos_bit);
buf0[7] = buf1[7];
buf0[8] = _mm256_add_epi32(buf1[8], buf1[11]);
buf0[11] = _mm256_sub_epi32(buf1[8], buf1[11]);
buf0[9] = _mm256_add_epi32(buf1[9], buf1[10]);
buf0[10] = _mm256_sub_epi32(buf1[9], buf1[10]);
buf0[12] = _mm256_sub_epi32(buf1[15], buf1[12]);
buf0[15] = _mm256_add_epi32(buf1[15], buf1[12]);
buf0[13] = _mm256_sub_epi32(buf1[14], buf1[13]);
buf0[14] = _mm256_add_epi32(buf1[14], buf1[13]);
buf0[16] = buf1[16];
buf0[17] = buf1[17];
btf_32_avx2_type0(-cospi[16], cospi[48], buf1[18], buf1[29], buf0[18],
buf0[29], cos_bit);
btf_32_avx2_type0(-cospi[16], cospi[48], buf1[19], buf1[28], buf0[19],
buf0[28], cos_bit);
btf_32_avx2_type0(-cospi[48], -cospi[16], buf1[20], buf1[27], buf0[20],
buf0[27], cos_bit);
btf_32_avx2_type0(-cospi[48], -cospi[16], buf1[21], buf1[26], buf0[21],
buf0[26], cos_bit);
buf0[22] = buf1[22];
buf0[23] = buf1[23];
buf0[24] = buf1[24];
buf0[25] = buf1[25];
buf0[30] = buf1[30];
buf0[31] = buf1[31];
// stage 5
cospi = cospi_arr(cos_bit);
btf_32_avx2_type0(cospi[32], cospi[32], buf0[0], buf0[1], buf1[0], buf1[1],
cos_bit);
btf_32_avx2_type0(cospi[16], cospi[48], buf0[3], buf0[2], buf1[2], buf1[3],
cos_bit);
buf1[4] = _mm256_add_epi32(buf0[4], buf0[5]);
buf1[5] = _mm256_sub_epi32(buf0[4], buf0[5]);
buf1[6] = _mm256_sub_epi32(buf0[7], buf0[6]);
buf1[7] = _mm256_add_epi32(buf0[7], buf0[6]);
buf1[8] = buf0[8];
btf_32_avx2_type0(-cospi[16], cospi[48], buf0[9], buf0[14], buf1[9], buf1[14],
cos_bit);
btf_32_avx2_type0(-cospi[48], -cospi[16], buf0[10], buf0[13], buf1[10],
buf1[13], cos_bit);
buf1[11] = buf0[11];
buf1[12] = buf0[12];
buf1[15] = buf0[15];
buf1[16] = _mm256_add_epi32(buf0[16], buf0[19]);
buf1[19] = _mm256_sub_epi32(buf0[16], buf0[19]);
buf1[17] = _mm256_add_epi32(buf0[17], buf0[18]);
buf1[18] = _mm256_sub_epi32(buf0[17], buf0[18]);
buf1[20] = _mm256_sub_epi32(buf0[23], buf0[20]);
buf1[23] = _mm256_add_epi32(buf0[23], buf0[20]);
buf1[21] = _mm256_sub_epi32(buf0[22], buf0[21]);
buf1[22] = _mm256_add_epi32(buf0[22], buf0[21]);
buf1[24] = _mm256_add_epi32(buf0[24], buf0[27]);
buf1[27] = _mm256_sub_epi32(buf0[24], buf0[27]);
buf1[25] = _mm256_add_epi32(buf0[25], buf0[26]);
buf1[26] = _mm256_sub_epi32(buf0[25], buf0[26]);
buf1[28] = _mm256_sub_epi32(buf0[31], buf0[28]);
buf1[31] = _mm256_add_epi32(buf0[31], buf0[28]);
buf1[29] = _mm256_sub_epi32(buf0[30], buf0[29]);
buf1[30] = _mm256_add_epi32(buf0[30], buf0[29]);
// stage 6
cospi = cospi_arr(cos_bit);
buf0[0] = buf1[0];
buf0[1] = buf1[1];
buf0[2] = buf1[2];
buf0[3] = buf1[3];
btf_32_avx2_type0(cospi[8], cospi[56], buf1[7], buf1[4], buf0[4], buf0[7],
cos_bit);
btf_32_avx2_type0(cospi[40], cospi[24], buf1[6], buf1[5], buf0[5], buf0[6],
cos_bit);
buf0[8] = _mm256_add_epi32(buf1[8], buf1[9]);
buf0[9] = _mm256_sub_epi32(buf1[8], buf1[9]);
buf0[10] = _mm256_sub_epi32(buf1[11], buf1[10]);
buf0[11] = _mm256_add_epi32(buf1[11], buf1[10]);
buf0[12] = _mm256_add_epi32(buf1[12], buf1[13]);
buf0[13] = _mm256_sub_epi32(buf1[12], buf1[13]);
buf0[14] = _mm256_sub_epi32(buf1[15], buf1[14]);
buf0[15] = _mm256_add_epi32(buf1[15], buf1[14]);
buf0[16] = buf1[16];
btf_32_avx2_type0(-cospi[8], cospi[56], buf1[17], buf1[30], buf0[17],
buf0[30], cos_bit);
btf_32_avx2_type0(-cospi[56], -cospi[8], buf1[18], buf1[29], buf0[18],
buf0[29], cos_bit);
buf0[19] = buf1[19];
buf0[20] = buf1[20];
btf_32_avx2_type0(-cospi[40], cospi[24], buf1[21], buf1[26], buf0[21],
buf0[26], cos_bit);
btf_32_avx2_type0(-cospi[24], -cospi[40], buf1[22], buf1[25], buf0[22],
buf0[25], cos_bit);
buf0[23] = buf1[23];
buf0[24] = buf1[24];
buf0[27] = buf1[27];
buf0[28] = buf1[28];
buf0[31] = buf1[31];
// stage 7
cospi = cospi_arr(cos_bit);
buf1[0] = buf0[0];
buf1[1] = buf0[1];
buf1[2] = buf0[2];
buf1[3] = buf0[3];
buf1[4] = buf0[4];
buf1[5] = buf0[5];
buf1[6] = buf0[6];
buf1[7] = buf0[7];
btf_32_avx2_type0(cospi[4], cospi[60], buf0[15], buf0[8], buf1[8], buf1[15],
cos_bit);
btf_32_avx2_type0(cospi[36], cospi[28], buf0[14], buf0[9], buf1[9], buf1[14],
cos_bit);
btf_32_avx2_type0(cospi[20], cospi[44], buf0[13], buf0[10], buf1[10],
buf1[13], cos_bit);
btf_32_avx2_type0(cospi[52], cospi[12], buf0[12], buf0[11], buf1[11],
buf1[12], cos_bit);
buf1[16] = _mm256_add_epi32(buf0[16], buf0[17]);
buf1[17] = _mm256_sub_epi32(buf0[16], buf0[17]);
buf1[18] = _mm256_sub_epi32(buf0[19], buf0[18]);
buf1[19] = _mm256_add_epi32(buf0[19], buf0[18]);
buf1[20] = _mm256_add_epi32(buf0[20], buf0[21]);
buf1[21] = _mm256_sub_epi32(buf0[20], buf0[21]);
buf1[22] = _mm256_sub_epi32(buf0[23], buf0[22]);
buf1[23] = _mm256_add_epi32(buf0[23], buf0[22]);
buf1[24] = _mm256_add_epi32(buf0[24], buf0[25]);
buf1[25] = _mm256_sub_epi32(buf0[24], buf0[25]);
buf1[26] = _mm256_sub_epi32(buf0[27], buf0[26]);
buf1[27] = _mm256_add_epi32(buf0[27], buf0[26]);
buf1[28] = _mm256_add_epi32(buf0[28], buf0[29]);
buf1[29] = _mm256_sub_epi32(buf0[28], buf0[29]);
buf1[30] = _mm256_sub_epi32(buf0[31], buf0[30]);
buf1[31] = _mm256_add_epi32(buf0[31], buf0[30]);
// stage 8
cospi = cospi_arr(cos_bit);
buf0[0] = buf1[0];
buf0[1] = buf1[1];
buf0[2] = buf1[2];
buf0[3] = buf1[3];
buf0[4] = buf1[4];
buf0[5] = buf1[5];
buf0[6] = buf1[6];
buf0[7] = buf1[7];
buf0[8] = buf1[8];
buf0[9] = buf1[9];
buf0[10] = buf1[10];
buf0[11] = buf1[11];
buf0[12] = buf1[12];
buf0[13] = buf1[13];
buf0[14] = buf1[14];
buf0[15] = buf1[15];
btf_32_avx2_type0(cospi[2], cospi[62], buf1[31], buf1[16], buf0[16], buf0[31],
cos_bit);
btf_32_avx2_type0(cospi[34], cospi[30], buf1[30], buf1[17], buf0[17],
buf0[30], cos_bit);
btf_32_avx2_type0(cospi[18], cospi[46], buf1[29], buf1[18], buf0[18],
buf0[29], cos_bit);
btf_32_avx2_type0(cospi[50], cospi[14], buf1[28], buf1[19], buf0[19],
buf0[28], cos_bit);
btf_32_avx2_type0(cospi[10], cospi[54], buf1[27], buf1[20], buf0[20],
buf0[27], cos_bit);
btf_32_avx2_type0(cospi[42], cospi[22], buf1[26], buf1[21], buf0[21],
buf0[26], cos_bit);
btf_32_avx2_type0(cospi[26], cospi[38], buf1[25], buf1[22], buf0[22],
buf0[25], cos_bit);
btf_32_avx2_type0(cospi[58], cospi[6], buf1[24], buf1[23], buf0[23], buf0[24],
cos_bit);
startidx = 0 * outstride;
endidx = 31 * outstride;
// stage 9
output[startidx] = buf0[0];
output[endidx] = buf0[31];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[16];
output[endidx] = buf0[15];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[8];
output[endidx] = buf0[23];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[24];
output[endidx] = buf0[7];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[4];
output[endidx] = buf0[27];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[20];
output[endidx] = buf0[11];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[12];
output[endidx] = buf0[19];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[28];
output[endidx] = buf0[3];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[2];
output[endidx] = buf0[29];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[18];
output[endidx] = buf0[13];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[10];
output[endidx] = buf0[21];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[26];
output[endidx] = buf0[5];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[6];
output[endidx] = buf0[25];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[22];
output[endidx] = buf0[9];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[14];
output[endidx] = buf0[17];
startidx += outstride;
endidx -= outstride;
output[startidx] = buf0[30];
output[endidx] = buf0[1];
}
static INLINE void idtx32x32_avx2(__m256i *input, __m256i *output,
const int8_t cos_bit, int instride,
int outstride) {
(void)cos_bit;
for (int i = 0; i < 32; i += 8) {
output[i * outstride] = _mm256_slli_epi32(input[i * instride], 2);
output[(i + 1) * outstride] =
_mm256_slli_epi32(input[(i + 1) * instride], 2);
output[(i + 2) * outstride] =
_mm256_slli_epi32(input[(i + 2) * instride], 2);
output[(i + 3) * outstride] =
_mm256_slli_epi32(input[(i + 3) * instride], 2);
output[(i + 4) * outstride] =
_mm256_slli_epi32(input[(i + 4) * instride], 2);
output[(i + 5) * outstride] =
_mm256_slli_epi32(input[(i + 5) * instride], 2);
output[(i + 6) * outstride] =
_mm256_slli_epi32(input[(i + 6) * instride], 2);
output[(i + 7) * outstride] =
_mm256_slli_epi32(input[(i + 7) * instride], 2);
}
}
static const transform_1d_avx2 col_txfm8x32_arr[TX_TYPES] = {
fdct32_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
idtx32x32_avx2, // IDTX
NULL, // V_DCT
NULL, // H_DCT
NULL, // V_ADST
NULL, // H_ADST
NULL, // V_FLIPADST
NULL // H_FLIPADST
};
static const transform_1d_avx2 row_txfm8x32_arr[TX_TYPES] = {
fdct32_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
idtx32x32_avx2, // IDTX
NULL, // V_DCT
NULL, // H_DCT
NULL, // V_ADST
NULL, // H_ADST
NULL, // V_FLIPADST
NULL // H_FLIPADST
};
void av1_fwd_txfm2d_32x32_avx2(const int16_t *input, int32_t *output,
int stride, TX_TYPE tx_type, int bd) {
(void)bd;
__m256i buf0[128], buf1[128];
const int tx_size = TX_32X32;
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_txfm8x32_arr[tx_type];
const transform_1d_avx2 row_txfm = row_txfm8x32_arr[tx_type];
int r, c;
const int width_div16 = (width >> 4);
const int width_div8 = (width >> 3);
for (int i = 0; i < width_div16; i++) {
load_buffer_16xn_avx2(input + (i << 4), &buf0[(i << 1)], stride, height,
width_div8, 0, 0);
round_shift_32_8xn_avx2(&buf0[(i << 1)], height, shift[0], width_div8);
round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], height, shift[0], width_div8);
col_txfm(&buf0[(i << 1)], &buf0[(i << 1)], cos_bit_col, width_div8,
width_div8);
col_txfm(&buf0[(i << 1) + 1], &buf0[(i << 1) + 1], cos_bit_col, width_div8,
width_div8);
round_shift_32_8xn_avx2(&buf0[(i << 1)], height, shift[1], width_div8);
round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], height, shift[1], width_div8);
}
for (r = 0; r < height; r += 8) {
for (c = 0; c < width_div8; c++) {
fwd_txfm_transpose_8x8_avx2(&buf0[r * width_div8 + c],
&buf1[c * 8 * width_div8 + (r >> 3)],
width_div8, width_div8);
}
}
for (int i = 0; i < width_div16; i++) {
row_txfm(&buf1[(i << 1)], &buf1[(i << 1)], cos_bit_row, width_div8,
width_div8);
row_txfm(&buf1[(i << 1) + 1], &buf1[(i << 1) + 1], cos_bit_row, width_div8,
width_div8);
round_shift_32_8xn_avx2(&buf1[(i << 1)], height, shift[2], width_div8);
round_shift_32_8xn_avx2(&buf1[(i << 1) + 1], height, shift[2], width_div8);
}
for (r = 0; r < height; r += 8) {
for (c = 0; c < width_div8; c++) {
fwd_txfm_transpose_8x8_avx2(&buf1[r * width_div8 + c],
&buf0[c * 8 * width_div8 + (r >> 3)],
width_div8, width_div8);
}
}
store_buffer_avx2(buf0, output, 8, 128);
}
static INLINE void fdct64_stage2_avx2(__m256i *x1, __m256i *x2,
__m256i *cospi_m32, __m256i *cospi_p32,
const __m256i *__rounding,
int8_t cos_bit) {
x2[0] = _mm256_add_epi32(x1[0], x1[31]);
x2[31] = _mm256_sub_epi32(x1[0], x1[31]);
x2[1] = _mm256_add_epi32(x1[1], x1[30]);
x2[30] = _mm256_sub_epi32(x1[1], x1[30]);
x2[2] = _mm256_add_epi32(x1[2], x1[29]);
x2[29] = _mm256_sub_epi32(x1[2], x1[29]);
x2[3] = _mm256_add_epi32(x1[3], x1[28]);
x2[28] = _mm256_sub_epi32(x1[3], x1[28]);
x2[4] = _mm256_add_epi32(x1[4], x1[27]);
x2[27] = _mm256_sub_epi32(x1[4], x1[27]);
x2[5] = _mm256_add_epi32(x1[5], x1[26]);
x2[26] = _mm256_sub_epi32(x1[5], x1[26]);
x2[6] = _mm256_add_epi32(x1[6], x1[25]);
x2[25] = _mm256_sub_epi32(x1[6], x1[25]);
x2[7] = _mm256_add_epi32(x1[7], x1[24]);
x2[24] = _mm256_sub_epi32(x1[7], x1[24]);
x2[8] = _mm256_add_epi32(x1[8], x1[23]);
x2[23] = _mm256_sub_epi32(x1[8], x1[23]);
x2[9] = _mm256_add_epi32(x1[9], x1[22]);
x2[22] = _mm256_sub_epi32(x1[9], x1[22]);
x2[10] = _mm256_add_epi32(x1[10], x1[21]);
x2[21] = _mm256_sub_epi32(x1[10], x1[21]);
x2[11] = _mm256_add_epi32(x1[11], x1[20]);
x2[20] = _mm256_sub_epi32(x1[11], x1[20]);
x2[12] = _mm256_add_epi32(x1[12], x1[19]);
x2[19] = _mm256_sub_epi32(x1[12], x1[19]);
x2[13] = _mm256_add_epi32(x1[13], x1[18]);
x2[18] = _mm256_sub_epi32(x1[13], x1[18]);
x2[14] = _mm256_add_epi32(x1[14], x1[17]);
x2[17] = _mm256_sub_epi32(x1[14], x1[17]);
x2[15] = _mm256_add_epi32(x1[15], x1[16]);
x2[16] = _mm256_sub_epi32(x1[15], x1[16]);
x2[32] = x1[32];
x2[33] = x1[33];
x2[34] = x1[34];
x2[35] = x1[35];
x2[36] = x1[36];
x2[37] = x1[37];
x2[38] = x1[38];
x2[39] = x1[39];
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[40], x1[55], x2[40], x2[55],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[41], x1[54], x2[41], x2[54],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[42], x1[53], x2[42], x2[53],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[43], x1[52], x2[43], x2[52],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[44], x1[51], x2[44], x2[51],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[45], x1[50], x2[45], x2[50],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[46], x1[49], x2[46], x2[49],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[47], x1[48], x2[47], x2[48],
*__rounding, cos_bit);
x2[56] = x1[56];
x2[57] = x1[57];
x2[58] = x1[58];
x2[59] = x1[59];
x2[60] = x1[60];
x2[61] = x1[61];
x2[62] = x1[62];
x2[63] = x1[63];
}
static INLINE void fdct64_stage3_avx2(__m256i *x2, __m256i *x3,
__m256i *cospi_m32, __m256i *cospi_p32,
const __m256i *__rounding,
int8_t cos_bit) {
x3[0] = _mm256_add_epi32(x2[0], x2[15]);
x3[15] = _mm256_sub_epi32(x2[0], x2[15]);
x3[1] = _mm256_add_epi32(x2[1], x2[14]);
x3[14] = _mm256_sub_epi32(x2[1], x2[14]);
x3[2] = _mm256_add_epi32(x2[2], x2[13]);
x3[13] = _mm256_sub_epi32(x2[2], x2[13]);
x3[3] = _mm256_add_epi32(x2[3], x2[12]);
x3[12] = _mm256_sub_epi32(x2[3], x2[12]);
x3[4] = _mm256_add_epi32(x2[4], x2[11]);
x3[11] = _mm256_sub_epi32(x2[4], x2[11]);
x3[5] = _mm256_add_epi32(x2[5], x2[10]);
x3[10] = _mm256_sub_epi32(x2[5], x2[10]);
x3[6] = _mm256_add_epi32(x2[6], x2[9]);
x3[9] = _mm256_sub_epi32(x2[6], x2[9]);
x3[7] = _mm256_add_epi32(x2[7], x2[8]);
x3[8] = _mm256_sub_epi32(x2[7], x2[8]);
x3[16] = x2[16];
x3[17] = x2[17];
x3[18] = x2[18];
x3[19] = x2[19];
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x2[20], x2[27], x3[20], x3[27],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x2[21], x2[26], x3[21], x3[26],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x2[22], x2[25], x3[22], x3[25],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x2[23], x2[24], x3[23], x3[24],
*__rounding, cos_bit);
x3[28] = x2[28];
x3[29] = x2[29];
x3[30] = x2[30];
x3[31] = x2[31];
x3[32] = _mm256_add_epi32(x2[32], x2[47]);
x3[47] = _mm256_sub_epi32(x2[32], x2[47]);
x3[33] = _mm256_add_epi32(x2[33], x2[46]);
x3[46] = _mm256_sub_epi32(x2[33], x2[46]);
x3[34] = _mm256_add_epi32(x2[34], x2[45]);
x3[45] = _mm256_sub_epi32(x2[34], x2[45]);
x3[35] = _mm256_add_epi32(x2[35], x2[44]);
x3[44] = _mm256_sub_epi32(x2[35], x2[44]);
x3[36] = _mm256_add_epi32(x2[36], x2[43]);
x3[43] = _mm256_sub_epi32(x2[36], x2[43]);
x3[37] = _mm256_add_epi32(x2[37], x2[42]);
x3[42] = _mm256_sub_epi32(x2[37], x2[42]);
x3[38] = _mm256_add_epi32(x2[38], x2[41]);
x3[41] = _mm256_sub_epi32(x2[38], x2[41]);
x3[39] = _mm256_add_epi32(x2[39], x2[40]);
x3[40] = _mm256_sub_epi32(x2[39], x2[40]);
x3[48] = _mm256_sub_epi32(x2[63], x2[48]);
x3[63] = _mm256_add_epi32(x2[63], x2[48]);
x3[49] = _mm256_sub_epi32(x2[62], x2[49]);
x3[62] = _mm256_add_epi32(x2[62], x2[49]);
x3[50] = _mm256_sub_epi32(x2[61], x2[50]);
x3[61] = _mm256_add_epi32(x2[61], x2[50]);
x3[51] = _mm256_sub_epi32(x2[60], x2[51]);
x3[60] = _mm256_add_epi32(x2[60], x2[51]);
x3[52] = _mm256_sub_epi32(x2[59], x2[52]);
x3[59] = _mm256_add_epi32(x2[59], x2[52]);
x3[53] = _mm256_sub_epi32(x2[58], x2[53]);
x3[58] = _mm256_add_epi32(x2[58], x2[53]);
x3[54] = _mm256_sub_epi32(x2[57], x2[54]);
x3[57] = _mm256_add_epi32(x2[57], x2[54]);
x3[55] = _mm256_sub_epi32(x2[56], x2[55]);
x3[56] = _mm256_add_epi32(x2[56], x2[55]);
}
static INLINE void fdct64_stage4_avx2(__m256i *x3, __m256i *x4,
__m256i *cospi_m32, __m256i *cospi_p32,
__m256i *cospi_m16, __m256i *cospi_p48,
__m256i *cospi_m48,
const __m256i *__rounding,
int8_t cos_bit) {
x4[0] = _mm256_add_epi32(x3[0], x3[7]);
x4[7] = _mm256_sub_epi32(x3[0], x3[7]);
x4[1] = _mm256_add_epi32(x3[1], x3[6]);
x4[6] = _mm256_sub_epi32(x3[1], x3[6]);
x4[2] = _mm256_add_epi32(x3[2], x3[5]);
x4[5] = _mm256_sub_epi32(x3[2], x3[5]);
x4[3] = _mm256_add_epi32(x3[3], x3[4]);
x4[4] = _mm256_sub_epi32(x3[3], x3[4]);
x4[8] = x3[8];
x4[9] = x3[9];
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x3[10], x3[13], x4[10], x4[13],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x3[11], x3[12], x4[11], x4[12],
*__rounding, cos_bit);
x4[14] = x3[14];
x4[15] = x3[15];
x4[16] = _mm256_add_epi32(x3[16], x3[23]);
x4[23] = _mm256_sub_epi32(x3[16], x3[23]);
x4[17] = _mm256_add_epi32(x3[17], x3[22]);
x4[22] = _mm256_sub_epi32(x3[17], x3[22]);
x4[18] = _mm256_add_epi32(x3[18], x3[21]);
x4[21] = _mm256_sub_epi32(x3[18], x3[21]);
x4[19] = _mm256_add_epi32(x3[19], x3[20]);
x4[20] = _mm256_sub_epi32(x3[19], x3[20]);
x4[24] = _mm256_sub_epi32(x3[31], x3[24]);
x4[31] = _mm256_add_epi32(x3[31], x3[24]);
x4[25] = _mm256_sub_epi32(x3[30], x3[25]);
x4[30] = _mm256_add_epi32(x3[30], x3[25]);
x4[26] = _mm256_sub_epi32(x3[29], x3[26]);
x4[29] = _mm256_add_epi32(x3[29], x3[26]);
x4[27] = _mm256_sub_epi32(x3[28], x3[27]);
x4[28] = _mm256_add_epi32(x3[28], x3[27]);
x4[32] = x3[32];
x4[33] = x3[33];
x4[34] = x3[34];
x4[35] = x3[35];
btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x3[36], x3[59], x4[36], x4[59],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x3[37], x3[58], x4[37], x4[58],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x3[38], x3[57], x4[38], x4[57],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x3[39], x3[56], x4[39], x4[56],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x3[40], x3[55], x4[40], x4[55],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x3[41], x3[54], x4[41], x4[54],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x3[42], x3[53], x4[42], x4[53],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x3[43], x3[52], x4[43], x4[52],
*__rounding, cos_bit);
x4[44] = x3[44];
x4[45] = x3[45];
x4[46] = x3[46];
x4[47] = x3[47];
x4[48] = x3[48];
x4[49] = x3[49];
x4[50] = x3[50];
x4[51] = x3[51];
x4[60] = x3[60];
x4[61] = x3[61];
x4[62] = x3[62];
x4[63] = x3[63];
}
static INLINE void fdct64_stage5_avx2(__m256i *x4, __m256i *x5,
__m256i *cospi_m32, __m256i *cospi_p32,
__m256i *cospi_m16, __m256i *cospi_p48,
__m256i *cospi_m48,
const __m256i *__rounding,
int8_t cos_bit) {
x5[0] = _mm256_add_epi32(x4[0], x4[3]);
x5[3] = _mm256_sub_epi32(x4[0], x4[3]);
x5[1] = _mm256_add_epi32(x4[1], x4[2]);
x5[2] = _mm256_sub_epi32(x4[1], x4[2]);
x5[4] = x4[4];
btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x4[5], x4[6], x5[5], x5[6],
*__rounding, cos_bit);
x5[7] = x4[7];
x5[8] = _mm256_add_epi32(x4[8], x4[11]);
x5[11] = _mm256_sub_epi32(x4[8], x4[11]);
x5[9] = _mm256_add_epi32(x4[9], x4[10]);
x5[10] = _mm256_sub_epi32(x4[9], x4[10]);
x5[12] = _mm256_sub_epi32(x4[15], x4[12]);
x5[15] = _mm256_add_epi32(x4[15], x4[12]);
x5[13] = _mm256_sub_epi32(x4[14], x4[13]);
x5[14] = _mm256_add_epi32(x4[14], x4[13]);
x5[16] = x4[16];
x5[17] = x4[17];
btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x4[18], x4[29], x5[18], x5[29],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x4[19], x4[28], x5[19], x5[28],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x4[20], x4[27], x5[20], x5[27],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x4[21], x4[26], x5[21], x5[26],
*__rounding, cos_bit);
x5[22] = x4[22];
x5[23] = x4[23];
x5[24] = x4[24];
x5[25] = x4[25];
x5[30] = x4[30];
x5[31] = x4[31];
x5[32] = _mm256_add_epi32(x4[32], x4[39]);
x5[39] = _mm256_sub_epi32(x4[32], x4[39]);
x5[33] = _mm256_add_epi32(x4[33], x4[38]);
x5[38] = _mm256_sub_epi32(x4[33], x4[38]);
x5[34] = _mm256_add_epi32(x4[34], x4[37]);
x5[37] = _mm256_sub_epi32(x4[34], x4[37]);
x5[35] = _mm256_add_epi32(x4[35], x4[36]);
x5[36] = _mm256_sub_epi32(x4[35], x4[36]);
x5[40] = _mm256_sub_epi32(x4[47], x4[40]);
x5[47] = _mm256_add_epi32(x4[47], x4[40]);
x5[41] = _mm256_sub_epi32(x4[46], x4[41]);
x5[46] = _mm256_add_epi32(x4[46], x4[41]);
x5[42] = _mm256_sub_epi32(x4[45], x4[42]);
x5[45] = _mm256_add_epi32(x4[45], x4[42]);
x5[43] = _mm256_sub_epi32(x4[44], x4[43]);
x5[44] = _mm256_add_epi32(x4[44], x4[43]);
x5[48] = _mm256_add_epi32(x4[48], x4[55]);
x5[55] = _mm256_sub_epi32(x4[48], x4[55]);
x5[49] = _mm256_add_epi32(x4[49], x4[54]);
x5[54] = _mm256_sub_epi32(x4[49], x4[54]);
x5[50] = _mm256_add_epi32(x4[50], x4[53]);
x5[53] = _mm256_sub_epi32(x4[50], x4[53]);
x5[51] = _mm256_add_epi32(x4[51], x4[52]);
x5[52] = _mm256_sub_epi32(x4[51], x4[52]);
x5[56] = _mm256_sub_epi32(x4[63], x4[56]);
x5[63] = _mm256_add_epi32(x4[63], x4[56]);
x5[57] = _mm256_sub_epi32(x4[62], x4[57]);
x5[62] = _mm256_add_epi32(x4[62], x4[57]);
x5[58] = _mm256_sub_epi32(x4[61], x4[58]);
x5[61] = _mm256_add_epi32(x4[61], x4[58]);
x5[59] = _mm256_sub_epi32(x4[60], x4[59]);
x5[60] = _mm256_add_epi32(x4[60], x4[59]);
}
static INLINE void fdct64_stage6_avx2(
__m256i *x5, __m256i *x6, __m256i *cospi_p16, __m256i *cospi_p32,
__m256i *cospi_m16, __m256i *cospi_p48, __m256i *cospi_m48,
__m256i *cospi_m08, __m256i *cospi_p56, __m256i *cospi_m56,
__m256i *cospi_m40, __m256i *cospi_p24, __m256i *cospi_m24,
const __m256i *__rounding, int8_t cos_bit) {
btf_32_type0_avx2_new(*cospi_p32, *cospi_p32, x5[0], x5[1], x6[0], x6[1],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_p16, *cospi_p48, x5[3], x5[2], x6[2], x6[3],
*__rounding, cos_bit);
x6[4] = _mm256_add_epi32(x5[4], x5[5]);
x6[5] = _mm256_sub_epi32(x5[4], x5[5]);
x6[6] = _mm256_sub_epi32(x5[7], x5[6]);
x6[7] = _mm256_add_epi32(x5[7], x5[6]);
x6[8] = x5[8];
btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x5[9], x5[14], x6[9], x6[14],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x5[10], x5[13], x6[10], x6[13],
*__rounding, cos_bit);
x6[11] = x5[11];
x6[12] = x5[12];
x6[15] = x5[15];
x6[16] = _mm256_add_epi32(x5[16], x5[19]);
x6[19] = _mm256_sub_epi32(x5[16], x5[19]);
x6[17] = _mm256_add_epi32(x5[17], x5[18]);
x6[18] = _mm256_sub_epi32(x5[17], x5[18]);
x6[20] = _mm256_sub_epi32(x5[23], x5[20]);
x6[23] = _mm256_add_epi32(x5[23], x5[20]);
x6[21] = _mm256_sub_epi32(x5[22], x5[21]);
x6[22] = _mm256_add_epi32(x5[22], x5[21]);
x6[24] = _mm256_add_epi32(x5[24], x5[27]);
x6[27] = _mm256_sub_epi32(x5[24], x5[27]);
x6[25] = _mm256_add_epi32(x5[25], x5[26]);
x6[26] = _mm256_sub_epi32(x5[25], x5[26]);
x6[28] = _mm256_sub_epi32(x5[31], x5[28]);
x6[31] = _mm256_add_epi32(x5[31], x5[28]);
x6[29] = _mm256_sub_epi32(x5[30], x5[29]);
x6[30] = _mm256_add_epi32(x5[30], x5[29]);
x6[32] = x5[32];
x6[33] = x5[33];
btf_32_type0_avx2_new(*cospi_m08, *cospi_p56, x5[34], x5[61], x6[34], x6[61],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m08, *cospi_p56, x5[35], x5[60], x6[35], x6[60],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m56, *cospi_m08, x5[36], x5[59], x6[36], x6[59],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m56, *cospi_m08, x5[37], x5[58], x6[37], x6[58],
*__rounding, cos_bit);
x6[38] = x5[38];
x6[39] = x5[39];
x6[40] = x5[40];
x6[41] = x5[41];
btf_32_type0_avx2_new(*cospi_m40, *cospi_p24, x5[42], x5[53], x6[42], x6[53],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m40, *cospi_p24, x5[43], x5[52], x6[43], x6[52],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m24, *cospi_m40, x5[44], x5[51], x6[44], x6[51],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m24, *cospi_m40, x5[45], x5[50], x6[45], x6[50],
*__rounding, cos_bit);
x6[46] = x5[46];
x6[47] = x5[47];
x6[48] = x5[48];
x6[49] = x5[49];
x6[54] = x5[54];
x6[55] = x5[55];
x6[56] = x5[56];
x6[57] = x5[57];
x6[62] = x5[62];
x6[63] = x5[63];
}
static INLINE void fdct64_stage7_avx2(__m256i *x6, __m256i *x7,
__m256i *cospi_p08, __m256i *cospi_p56,
__m256i *cospi_p40, __m256i *cospi_p24,
__m256i *cospi_m08, __m256i *cospi_m56,
__m256i *cospi_m40, __m256i *cospi_m24,
const __m256i *__rounding,
int8_t cos_bit) {
x7[0] = x6[0];
x7[1] = x6[1];
x7[2] = x6[2];
x7[3] = x6[3];
btf_32_type0_avx2_new(*cospi_p08, *cospi_p56, x6[7], x6[4], x7[4], x7[7],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_p40, *cospi_p24, x6[6], x6[5], x7[5], x7[6],
*__rounding, cos_bit);
x7[8] = _mm256_add_epi32(x6[8], x6[9]);
x7[9] = _mm256_sub_epi32(x6[8], x6[9]);
x7[10] = _mm256_sub_epi32(x6[11], x6[10]);
x7[11] = _mm256_add_epi32(x6[11], x6[10]);
x7[12] = _mm256_add_epi32(x6[12], x6[13]);
x7[13] = _mm256_sub_epi32(x6[12], x6[13]);
x7[14] = _mm256_sub_epi32(x6[15], x6[14]);
x7[15] = _mm256_add_epi32(x6[15], x6[14]);
x7[16] = x6[16];
btf_32_type0_avx2_new(*cospi_m08, *cospi_p56, x6[17], x6[30], x7[17], x7[30],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m56, *cospi_m08, x6[18], x6[29], x7[18], x7[29],
*__rounding, cos_bit);
x7[19] = x6[19];
x7[20] = x6[20];
btf_32_type0_avx2_new(*cospi_m40, *cospi_p24, x6[21], x6[26], x7[21], x7[26],
*__rounding, cos_bit);
btf_32_type0_avx2_new(*cospi_m24, *cospi_m40, x6[22], x6[25], x7[22], x7[25],
*__rounding, cos_bit);
x7[23] = x6[23];
x7[24] = x6[24];
x7[27] = x6[27];
x7[28] = x6[28];
x7[31] = x6[31];
x7[32] = _mm256_add_epi32(x6[32], x6[35]);
x7[35] = _mm256_sub_epi32(x6[32], x6[35]);
x7[33] = _mm256_add_epi32(x6[33], x6[34]);
x7[34] = _mm256_sub_epi32(x6[33], x6[34]);
x7[36] = _mm256_sub_epi32(x6[39], x6[36]);
x7[39] = _mm256_add_epi32(x6[39], x6[36]);
x7[37] = _mm256_sub_epi32(x6[38], x6[37]);
x7[38] = _mm256_add_epi32(x6[38], x6[37]);
x7[40] = _mm256_add_epi32(x6[40], x6[43]);
x7[43] = _mm256_sub_epi32(x6[40], x6[43]);
x7[41] = _mm256_add_epi32(x6[41], x6[42]);
x7[42] = _mm256_sub_epi32(x6[41], x6[42]);
x7[44] = _mm256_sub_epi32(x6[47], x6[44]);
x7[47] = _mm256_add_epi32(x6[47], x6[44]);
x7[45] = _mm256_sub_epi32(x6[46], x6[45]);
x7[46] = _mm256_add_epi32(x6[46], x6[45]);
x7[48] = _mm256_add_epi32(x6[48], x6[51]);
x7[51] = _mm256_sub_epi32(x6[48], x6[51]);
x7[49] = _mm256_add_epi32(x6[49], x6[50]);
x7[50] = _mm256_sub_epi32(x6[49], x6[50]);
x7[52] = _mm256_sub_epi32(x6[55], x6[52]);
x7[55] = _mm256_add_epi32(x6[55], x6[52]);
x7[53] = _mm256_sub_epi32(x6[54], x6[53]);
x7[54] = _mm256_add_epi32(x6[54], x6[53]);
x7[56] = _mm256_add_epi32(x6[56], x6[59]);
x7[59] = _mm256_sub_epi32(x6[56], x6[59]);
x7[57] = _mm256_add_epi32(x6[57], x6[58]);
x7[58] = _mm256_sub_epi32(x6[57], x6[58]);
x7[60] = _mm256_sub_epi32(x6[63], x6[60]);
x7[63] = _mm256_add_epi32(x6[63], x6[60]);
x7[61] = _mm256_sub_epi32(x6[62], x6[61]);
x7[62] = _mm256_add_epi32(x6[62], x6[61]);
}
static INLINE void fdct64_stage8_avx2(__m256i *x7, __m256i *x8,
const int32_t *cospi,
const __m256i *__rounding,
int8_t cos_bit) {
__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]);
x8[0] = x7[0];
x8[1] = x7[1];
x8[2] = x7[2];
x8[3] = x7[3];
x8[4] = x7[4];
x8[5] = x7[5];
x8[6] = x7[6];
x8[7] = x7[7];
btf_32_type0_avx2_new(cospi_p04, cospi_p60, x7[15], x7[8], x8[8], x8[15],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p36, cospi_p28, x7[14], x7[9], x8[9], x8[14],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p20, cospi_p44, x7[13], x7[10], x8[10], x8[13],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p52, cospi_p12, x7[12], x7[11], x8[11], x8[12],
*__rounding, cos_bit);
x8[16] = _mm256_add_epi32(x7[16], x7[17]);
x8[17] = _mm256_sub_epi32(x7[16], x7[17]);
x8[18] = _mm256_sub_epi32(x7[19], x7[18]);
x8[19] = _mm256_add_epi32(x7[19], x7[18]);
x8[20] = _mm256_add_epi32(x7[20], x7[21]);
x8[21] = _mm256_sub_epi32(x7[20], x7[21]);
x8[22] = _mm256_sub_epi32(x7[23], x7[22]);
x8[23] = _mm256_add_epi32(x7[23], x7[22]);
x8[24] = _mm256_add_epi32(x7[24], x7[25]);
x8[25] = _mm256_sub_epi32(x7[24], x7[25]);
x8[26] = _mm256_sub_epi32(x7[27], x7[26]);
x8[27] = _mm256_add_epi32(x7[27], x7[26]);
x8[28] = _mm256_add_epi32(x7[28], x7[29]);
x8[29] = _mm256_sub_epi32(x7[28], x7[29]);
x8[30] = _mm256_sub_epi32(x7[31], x7[30]);
x8[31] = _mm256_add_epi32(x7[31], x7[30]);
x8[32] = x7[32];
btf_32_type0_avx2_new(cospi_m04, cospi_p60, x7[33], x7[62], x8[33], x8[62],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_m60, cospi_m04, x7[34], x7[61], x8[34], x8[61],
*__rounding, cos_bit);
x8[35] = x7[35];
x8[36] = x7[36];
btf_32_type0_avx2_new(cospi_m36, cospi_p28, x7[37], x7[58], x8[37], x8[58],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_m28, cospi_m36, x7[38], x7[57], x8[38], x8[57],
*__rounding, cos_bit);
x8[39] = x7[39];
x8[40] = x7[40];
btf_32_type0_avx2_new(cospi_m20, cospi_p44, x7[41], x7[54], x8[41], x8[54],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_m44, cospi_m20, x7[42], x7[53], x8[42], x8[53],
*__rounding, cos_bit);
x8[43] = x7[43];
x8[44] = x7[44];
btf_32_type0_avx2_new(cospi_m52, cospi_p12, x7[45], x7[50], x8[45], x8[50],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_m12, cospi_m52, x7[46], x7[49], x8[46], x8[49],
*__rounding, cos_bit);
x8[47] = x7[47];
x8[48] = x7[48];
x8[51] = x7[51];
x8[52] = x7[52];
x8[55] = x7[55];
x8[56] = x7[56];
x8[59] = x7[59];
x8[60] = x7[60];
x8[63] = x7[63];
}
static INLINE void fdct64_stage9_avx2(__m256i *x8, __m256i *x9,
const int32_t *cospi,
const __m256i *__rounding,
int8_t cos_bit) {
__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]);
x9[0] = x8[0];
x9[1] = x8[1];
x9[2] = x8[2];
x9[3] = x8[3];
x9[4] = x8[4];
x9[5] = x8[5];
x9[6] = x8[6];
x9[7] = x8[7];
x9[8] = x8[8];
x9[9] = x8[9];
x9[10] = x8[10];
x9[11] = x8[11];
x9[12] = x8[12];
x9[13] = x8[13];
x9[14] = x8[14];
x9[15] = x8[15];
btf_32_type0_avx2_new(cospi_p02, cospi_p62, x8[31], x8[16], x9[16], x9[31],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p34, cospi_p30, x8[30], x8[17], x9[17], x9[30],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p18, cospi_p46, x8[29], x8[18], x9[18], x9[29],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p50, cospi_p14, x8[28], x8[19], x9[19], x9[28],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p10, cospi_p54, x8[27], x8[20], x9[20], x9[27],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p42, cospi_p22, x8[26], x8[21], x9[21], x9[26],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p26, cospi_p38, x8[25], x8[22], x9[22], x9[25],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p58, cospi_p06, x8[24], x8[23], x9[23], x9[24],
*__rounding, cos_bit);
x9[32] = _mm256_add_epi32(x8[32], x8[33]);
x9[33] = _mm256_sub_epi32(x8[32], x8[33]);
x9[34] = _mm256_sub_epi32(x8[35], x8[34]);
x9[35] = _mm256_add_epi32(x8[35], x8[34]);
x9[36] = _mm256_add_epi32(x8[36], x8[37]);
x9[37] = _mm256_sub_epi32(x8[36], x8[37]);
x9[38] = _mm256_sub_epi32(x8[39], x8[38]);
x9[39] = _mm256_add_epi32(x8[39], x8[38]);
x9[40] = _mm256_add_epi32(x8[40], x8[41]);
x9[41] = _mm256_sub_epi32(x8[40], x8[41]);
x9[42] = _mm256_sub_epi32(x8[43], x8[42]);
x9[43] = _mm256_add_epi32(x8[43], x8[42]);
x9[44] = _mm256_add_epi32(x8[44], x8[45]);
x9[45] = _mm256_sub_epi32(x8[44], x8[45]);
x9[46] = _mm256_sub_epi32(x8[47], x8[46]);
x9[47] = _mm256_add_epi32(x8[47], x8[46]);
x9[48] = _mm256_add_epi32(x8[48], x8[49]);
x9[49] = _mm256_sub_epi32(x8[48], x8[49]);
x9[50] = _mm256_sub_epi32(x8[51], x8[50]);
x9[51] = _mm256_add_epi32(x8[51], x8[50]);
x9[52] = _mm256_add_epi32(x8[52], x8[53]);
x9[53] = _mm256_sub_epi32(x8[52], x8[53]);
x9[54] = _mm256_sub_epi32(x8[55], x8[54]);
x9[55] = _mm256_add_epi32(x8[55], x8[54]);
x9[56] = _mm256_add_epi32(x8[56], x8[57]);
x9[57] = _mm256_sub_epi32(x8[56], x8[57]);
x9[58] = _mm256_sub_epi32(x8[59], x8[58]);
x9[59] = _mm256_add_epi32(x8[59], x8[58]);
x9[60] = _mm256_add_epi32(x8[60], x8[61]);
x9[61] = _mm256_sub_epi32(x8[60], x8[61]);
x9[62] = _mm256_sub_epi32(x8[63], x8[62]);
x9[63] = _mm256_add_epi32(x8[63], x8[62]);
}
static INLINE void fdct64_stage10_avx2(__m256i *x9, __m256i *x10,
const int32_t *cospi,
const __m256i *__rounding,
int8_t cos_bit) {
__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]);
x10[0] = x9[0];
x10[1] = x9[1];
x10[2] = x9[2];
x10[3] = x9[3];
x10[4] = x9[4];
x10[5] = x9[5];
x10[6] = x9[6];
x10[7] = x9[7];
x10[8] = x9[8];
x10[9] = x9[9];
x10[10] = x9[10];
x10[11] = x9[11];
x10[12] = x9[12];
x10[13] = x9[13];
x10[14] = x9[14];
x10[15] = x9[15];
x10[16] = x9[16];
x10[17] = x9[17];
x10[18] = x9[18];
x10[19] = x9[19];
x10[20] = x9[20];
x10[21] = x9[21];
x10[22] = x9[22];
x10[23] = x9[23];
x10[24] = x9[24];
x10[25] = x9[25];
x10[26] = x9[26];
x10[27] = x9[27];
x10[28] = x9[28];
x10[29] = x9[29];
x10[30] = x9[30];
x10[31] = x9[31];
btf_32_type0_avx2_new(cospi_p01, cospi_p63, x9[63], x9[32], x10[32], x10[63],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p33, cospi_p31, x9[62], x9[33], x10[33], x10[62],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p17, cospi_p47, x9[61], x9[34], x10[34], x10[61],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p49, cospi_p15, x9[60], x9[35], x10[35], x10[60],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p09, cospi_p55, x9[59], x9[36], x10[36], x10[59],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p41, cospi_p23, x9[58], x9[37], x10[37], x10[58],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p25, cospi_p39, x9[57], x9[38], x10[38], x10[57],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p57, cospi_p07, x9[56], x9[39], x10[39], x10[56],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p05, cospi_p59, x9[55], x9[40], x10[40], x10[55],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p37, cospi_p27, x9[54], x9[41], x10[41], x10[54],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p21, cospi_p43, x9[53], x9[42], x10[42], x10[53],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p53, cospi_p11, x9[52], x9[43], x10[43], x10[52],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p13, cospi_p51, x9[51], x9[44], x10[44], x10[51],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p45, cospi_p19, x9[50], x9[45], x10[45], x10[50],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p29, cospi_p35, x9[49], x9[46], x10[46], x10[49],
*__rounding, cos_bit);
btf_32_type0_avx2_new(cospi_p61, cospi_p03, x9[48], x9[47], x10[47], x10[48],
*__rounding, cos_bit);
}
static void fdct64_avx2(__m256i *input, __m256i *output, int8_t cos_bit,
const int instride, const int outstride) {
const int32_t *cospi = cospi_arr(cos_bit);
const __m256i __rounding = _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]);
int startidx = 0 * instride;
int endidx = 63 * instride;
// stage 1
__m256i x1[64];
x1[0] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[63] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[1] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[62] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[2] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[61] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[3] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[60] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[4] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[59] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[5] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[58] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[6] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[57] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[7] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[56] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[8] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[55] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[9] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[54] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[10] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[53] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[11] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[52] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[12] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[51] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[13] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[50] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[14] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[49] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[15] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[48] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[16] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[47] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[17] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[46] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[18] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[45] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[19] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[44] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[20] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[43] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[21] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[42] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[22] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[41] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[23] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[40] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[24] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[39] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[25] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[38] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[26] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[37] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[27] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[36] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[28] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[35] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[29] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[34] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[30] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[33] = _mm256_sub_epi32(input[startidx], input[endidx]);
startidx += instride;
endidx -= instride;
x1[31] = _mm256_add_epi32(input[startidx], input[endidx]);
x1[32] = _mm256_sub_epi32(input[startidx], input[endidx]);
// stage 2
__m256i x2[64];
fdct64_stage2_avx2(x1, x2, &cospi_m32, &cospi_p32, &__rounding, cos_bit);
// stage 3
fdct64_stage3_avx2(x2, x1, &cospi_m32, &cospi_p32, &__rounding, cos_bit);
// stage 4
fdct64_stage4_avx2(x1, x2, &cospi_m32, &cospi_p32, &cospi_m16, &cospi_p48,
&cospi_m48, &__rounding, cos_bit);
// stage 5
fdct64_stage5_avx2(x2, x1, &cospi_m32, &cospi_p32, &cospi_m16, &cospi_p48,
&cospi_m48, &__rounding, cos_bit);
// stage 6
fdct64_stage6_avx2(x1, x2, &cospi_p16, &cospi_p32, &cospi_m16, &cospi_p48,
&cospi_m48, &cospi_m08, &cospi_p56, &cospi_m56, &cospi_m40,
&cospi_p24, &cospi_m24, &__rounding, cos_bit);
// stage 7
fdct64_stage7_avx2(x2, x1, &cospi_p08, &cospi_p56, &cospi_p40, &cospi_p24,
&cospi_m08, &cospi_m56, &cospi_m40, &cospi_m24,
&__rounding, cos_bit);
// stage 8
fdct64_stage8_avx2(x1, x2, cospi, &__rounding, cos_bit);
// stage 9
fdct64_stage9_avx2(x2, x1, cospi, &__rounding, cos_bit);
// stage 10
fdct64_stage10_avx2(x1, x2, cospi, &__rounding, cos_bit);
startidx = 0 * outstride;
endidx = 63 * outstride;
// stage 11
output[startidx] = x2[0];
output[endidx] = x2[63];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[32];
output[endidx] = x2[31];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[16];
output[endidx] = x2[47];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[48];
output[endidx] = x2[15];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[8];
output[endidx] = x2[55];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[40];
output[endidx] = x2[23];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[24];
output[endidx] = x2[39];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[56];
output[endidx] = x2[7];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[4];
output[endidx] = x2[59];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[36];
output[endidx] = x2[27];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[20];
output[endidx] = x2[43];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[52];
output[endidx] = x2[11];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[12];
output[endidx] = x2[51];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[44];
output[endidx] = x2[19];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[28];
output[endidx] = x2[35];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[60];
output[endidx] = x2[3];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[2];
output[endidx] = x2[61];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[34];
output[endidx] = x2[29];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[18];
output[endidx] = x2[45];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[50];
output[endidx] = x2[13];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[10];
output[endidx] = x2[53];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[42];
output[endidx] = x2[21];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[26];
output[endidx] = x2[37];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[58];
output[endidx] = x2[5];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[6];
output[endidx] = x2[57];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[38];
output[endidx] = x2[25];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[22];
output[endidx] = x2[41];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[54];
output[endidx] = x2[9];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[14];
output[endidx] = x2[49];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[46];
output[endidx] = x2[17];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[30];
output[endidx] = x2[33];
startidx += outstride;
endidx -= outstride;
output[startidx] = x2[62];
output[endidx] = x2[1];
}
void av1_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[512], buf1[512];
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 = fdct64_avx2;
const transform_1d_avx2 row_txfm = fdct64_avx2;
const int width_div16 = (width >> 4);
const int width_div8 = (width >> 3);
int r, c;
for (int i = 0; i < width_div16; i++) {
load_buffer_16xn_avx2(input + (i << 4), &buf0[i << 1], stride, height,
width_div8, 0, 0);
round_shift_32_8xn_avx2(&buf0[i << 1], height, shift[0], width_div8);
round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], height, shift[0], width_div8);
col_txfm(&buf0[i << 1], &buf0[i << 1], cos_bit_col, width_div8, width_div8);
col_txfm(&buf0[(i << 1) + 1], &buf0[(i << 1) + 1], cos_bit_col, width_div8,
width_div8);
round_shift_32_8xn_avx2(&buf0[i << 1], height, shift[1], width_div8);
round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], height, shift[1], width_div8);
}
for (r = 0; r < height; r += 8) {
for (c = 0; c < width_div8; c++) {
fwd_txfm_transpose_8x8_avx2(&buf0[r * width_div8 + c],
&buf1[c * 8 * width_div8 + (r >> 3)],
width_div8, width_div8);
}
}
for (int i = 0; i < 2; i++) {
row_txfm(&buf1[i << 1], &buf0[i << 1], cos_bit_row, width_div8,
width_div16);
row_txfm(&buf1[(i << 1) + 1], &buf0[(i << 1) + 1], cos_bit_row, width_div8,
width_div16);
round_shift_32_8xn_avx2(&buf0[i << 1], (height >> 1), shift[2],
width_div16);
round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], (height >> 1), shift[2],
width_div16);
}
for (r = 0; r < (height >> 1); r += 8) {
for (c = 0; c < width_div16; c++) {
fwd_txfm_transpose_8x8_avx2(&buf0[r * width_div16 + c],
&buf1[c * 8 * width_div16 + (r >> 3)],
width_div16, width_div16);
}
}
store_buffer_avx2(buf1, output, 8, 128);
}