blob: b56eed51818fef9ab838272abfbecbe4db39f46a [file] [log] [blame]
/*
* Copyright (c) 2016, 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 <smmintrin.h> /* SSE4.1 */
#include "./av1_rtcd.h"
#include "./aom_config.h"
#include "av1/common/av1_fwd_txfm1d_cfg.h"
#include "av1/common/av1_txfm.h"
#include "av1/common/x86/highbd_txfm_utility_sse4.h"
#include "aom_dsp/txfm_common.h"
#include "aom_dsp/x86/txfm_common_sse2.h"
#include "aom_ports/mem.h"
static INLINE void load_buffer_4x4(const int16_t *input, __m128i *in,
int stride, int flipud, int fliplr,
int shift) {
if (!flipud) {
in[0] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride));
in[1] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride));
in[2] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride));
in[3] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride));
} else {
in[0] = _mm_loadl_epi64((const __m128i *)(input + 3 * stride));
in[1] = _mm_loadl_epi64((const __m128i *)(input + 2 * stride));
in[2] = _mm_loadl_epi64((const __m128i *)(input + 1 * stride));
in[3] = _mm_loadl_epi64((const __m128i *)(input + 0 * stride));
}
if (fliplr) {
in[0] = _mm_shufflelo_epi16(in[0], 0x1b);
in[1] = _mm_shufflelo_epi16(in[1], 0x1b);
in[2] = _mm_shufflelo_epi16(in[2], 0x1b);
in[3] = _mm_shufflelo_epi16(in[3], 0x1b);
}
in[0] = _mm_cvtepi16_epi32(in[0]);
in[1] = _mm_cvtepi16_epi32(in[1]);
in[2] = _mm_cvtepi16_epi32(in[2]);
in[3] = _mm_cvtepi16_epi32(in[3]);
in[0] = _mm_slli_epi32(in[0], shift);
in[1] = _mm_slli_epi32(in[1], shift);
in[2] = _mm_slli_epi32(in[2], shift);
in[3] = _mm_slli_epi32(in[3], shift);
}
// We only use stage-2 bit;
// shift[0] is used in load_buffer_4x4()
// shift[1] is used in txfm_func_col()
// shift[2] is used in txfm_func_row()
static void fdct4x4_sse4_1(__m128i *in, int bit) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
__m128i s0, s1, s2, s3;
__m128i u0, u1, u2, u3;
__m128i v0, v1, v2, v3;
s0 = _mm_add_epi32(in[0], in[3]);
s1 = _mm_add_epi32(in[1], in[2]);
s2 = _mm_sub_epi32(in[1], in[2]);
s3 = _mm_sub_epi32(in[0], in[3]);
// btf_32_sse4_1_type0(cospi32, cospi32, s[01], u[02], bit);
u0 = _mm_mullo_epi32(s0, cospi32);
u1 = _mm_mullo_epi32(s1, cospi32);
u2 = _mm_add_epi32(u0, u1);
v0 = _mm_sub_epi32(u0, u1);
u3 = _mm_add_epi32(u2, rnding);
v1 = _mm_add_epi32(v0, rnding);
u0 = _mm_srai_epi32(u3, bit);
u2 = _mm_srai_epi32(v1, bit);
// btf_32_sse4_1_type1(cospi48, cospi16, s[23], u[13], bit);
v0 = _mm_mullo_epi32(s2, cospi48);
v1 = _mm_mullo_epi32(s3, cospi16);
v2 = _mm_add_epi32(v0, v1);
v3 = _mm_add_epi32(v2, rnding);
u1 = _mm_srai_epi32(v3, bit);
v0 = _mm_mullo_epi32(s2, cospi16);
v1 = _mm_mullo_epi32(s3, cospi48);
v2 = _mm_sub_epi32(v1, v0);
v3 = _mm_add_epi32(v2, rnding);
u3 = _mm_srai_epi32(v3, bit);
// Note: shift[1] and shift[2] are zeros
// Transpose 4x4 32-bit
v0 = _mm_unpacklo_epi32(u0, u1);
v1 = _mm_unpackhi_epi32(u0, u1);
v2 = _mm_unpacklo_epi32(u2, u3);
v3 = _mm_unpackhi_epi32(u2, u3);
in[0] = _mm_unpacklo_epi64(v0, v2);
in[1] = _mm_unpackhi_epi64(v0, v2);
in[2] = _mm_unpacklo_epi64(v1, v3);
in[3] = _mm_unpackhi_epi64(v1, v3);
}
static INLINE void write_buffer_4x4(__m128i *res, tran_low_t *output) {
_mm_store_si128((__m128i *)(output + 0 * 4), res[0]);
_mm_store_si128((__m128i *)(output + 1 * 4), res[1]);
_mm_store_si128((__m128i *)(output + 2 * 4), res[2]);
_mm_store_si128((__m128i *)(output + 3 * 4), res[3]);
}
// Note:
// We implement av1_fwd_txfm2d_4x4(). This function is kept here since
// av1_highbd_fht4x4_c() is not removed yet
void av1_highbd_fht4x4_sse4_1(const int16_t *input, tran_low_t *output,
int stride, int tx_type) {
(void)input;
(void)output;
(void)stride;
(void)tx_type;
assert(0);
}
static void fadst4x4_sse4_1(__m128i *in, int bit) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const __m128i kZero = _mm_setzero_si128();
__m128i s0, s1, s2, s3;
__m128i u0, u1, u2, u3;
__m128i v0, v1, v2, v3;
// stage 0
// stage 1
// stage 2
u0 = _mm_mullo_epi32(in[3], cospi8);
u1 = _mm_mullo_epi32(in[0], cospi56);
u2 = _mm_add_epi32(u0, u1);
s0 = _mm_add_epi32(u2, rnding);
s0 = _mm_srai_epi32(s0, bit);
v0 = _mm_mullo_epi32(in[3], cospi56);
v1 = _mm_mullo_epi32(in[0], cospi8);
v2 = _mm_sub_epi32(v0, v1);
s1 = _mm_add_epi32(v2, rnding);
s1 = _mm_srai_epi32(s1, bit);
u0 = _mm_mullo_epi32(in[1], cospi40);
u1 = _mm_mullo_epi32(in[2], cospi24);
u2 = _mm_add_epi32(u0, u1);
s2 = _mm_add_epi32(u2, rnding);
s2 = _mm_srai_epi32(s2, bit);
v0 = _mm_mullo_epi32(in[1], cospi24);
v1 = _mm_mullo_epi32(in[2], cospi40);
v2 = _mm_sub_epi32(v0, v1);
s3 = _mm_add_epi32(v2, rnding);
s3 = _mm_srai_epi32(s3, bit);
// stage 3
u0 = _mm_add_epi32(s0, s2);
u2 = _mm_sub_epi32(s0, s2);
u1 = _mm_add_epi32(s1, s3);
u3 = _mm_sub_epi32(s1, s3);
// stage 4
v0 = _mm_mullo_epi32(u2, cospi32);
v1 = _mm_mullo_epi32(u3, cospi32);
v2 = _mm_add_epi32(v0, v1);
s2 = _mm_add_epi32(v2, rnding);
u2 = _mm_srai_epi32(s2, bit);
v2 = _mm_sub_epi32(v0, v1);
s3 = _mm_add_epi32(v2, rnding);
u3 = _mm_srai_epi32(s3, bit);
// u0, u1, u2, u3
u2 = _mm_sub_epi32(kZero, u2);
u1 = _mm_sub_epi32(kZero, u1);
// u0, u2, u3, u1
// Transpose 4x4 32-bit
v0 = _mm_unpacklo_epi32(u0, u2);
v1 = _mm_unpackhi_epi32(u0, u2);
v2 = _mm_unpacklo_epi32(u3, u1);
v3 = _mm_unpackhi_epi32(u3, u1);
in[0] = _mm_unpacklo_epi64(v0, v2);
in[1] = _mm_unpackhi_epi64(v0, v2);
in[2] = _mm_unpacklo_epi64(v1, v3);
in[3] = _mm_unpackhi_epi64(v1, v3);
}
void av1_fwd_txfm2d_4x4_sse4_1(const int16_t *input, int32_t *coeff,
int input_stride, int tx_type, int bd) {
__m128i in[4];
const TXFM_1D_CFG *row_cfg = NULL;
const TXFM_1D_CFG *col_cfg = NULL;
switch (tx_type) {
case DCT_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_4;
col_cfg = &fwd_txfm_1d_col_cfg_dct_4;
load_buffer_4x4(input, in, input_stride, 0, 0, row_cfg->shift[0]);
fdct4x4_sse4_1(in, col_cfg->cos_bit[2]);
fdct4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
case ADST_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_4;
col_cfg = &fwd_txfm_1d_col_cfg_adst_4;
load_buffer_4x4(input, in, input_stride, 0, 0, row_cfg->shift[0]);
fadst4x4_sse4_1(in, col_cfg->cos_bit[2]);
fdct4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
case DCT_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_4;
col_cfg = &fwd_txfm_1d_col_cfg_dct_4;
load_buffer_4x4(input, in, input_stride, 0, 0, row_cfg->shift[0]);
fdct4x4_sse4_1(in, col_cfg->cos_bit[2]);
fadst4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
case ADST_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_4;
col_cfg = &fwd_txfm_1d_col_cfg_adst_4;
load_buffer_4x4(input, in, input_stride, 0, 0, row_cfg->shift[0]);
fadst4x4_sse4_1(in, col_cfg->cos_bit[2]);
fadst4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
#if CONFIG_EXT_TX
case FLIPADST_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_4;
col_cfg = &fwd_txfm_1d_col_cfg_adst_4;
load_buffer_4x4(input, in, input_stride, 1, 0, row_cfg->shift[0]);
fadst4x4_sse4_1(in, col_cfg->cos_bit[2]);
fdct4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
case DCT_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_4;
col_cfg = &fwd_txfm_1d_col_cfg_dct_4;
load_buffer_4x4(input, in, input_stride, 0, 1, row_cfg->shift[0]);
fdct4x4_sse4_1(in, col_cfg->cos_bit[2]);
fadst4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
case FLIPADST_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_4;
col_cfg = &fwd_txfm_1d_col_cfg_adst_4;
load_buffer_4x4(input, in, input_stride, 1, 1, row_cfg->shift[0]);
fadst4x4_sse4_1(in, col_cfg->cos_bit[2]);
fadst4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
case ADST_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_4;
col_cfg = &fwd_txfm_1d_col_cfg_adst_4;
load_buffer_4x4(input, in, input_stride, 0, 1, row_cfg->shift[0]);
fadst4x4_sse4_1(in, col_cfg->cos_bit[2]);
fadst4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
case FLIPADST_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_4;
col_cfg = &fwd_txfm_1d_col_cfg_adst_4;
load_buffer_4x4(input, in, input_stride, 1, 0, row_cfg->shift[0]);
fadst4x4_sse4_1(in, col_cfg->cos_bit[2]);
fadst4x4_sse4_1(in, row_cfg->cos_bit[2]);
write_buffer_4x4(in, coeff);
break;
#endif
default: assert(0);
}
(void)bd;
}
static INLINE void load_buffer_8x8(const int16_t *input, __m128i *in,
int stride, int flipud, int fliplr,
int shift) {
__m128i u;
if (!flipud) {
in[0] = _mm_load_si128((const __m128i *)(input + 0 * stride));
in[1] = _mm_load_si128((const __m128i *)(input + 1 * stride));
in[2] = _mm_load_si128((const __m128i *)(input + 2 * stride));
in[3] = _mm_load_si128((const __m128i *)(input + 3 * stride));
in[4] = _mm_load_si128((const __m128i *)(input + 4 * stride));
in[5] = _mm_load_si128((const __m128i *)(input + 5 * stride));
in[6] = _mm_load_si128((const __m128i *)(input + 6 * stride));
in[7] = _mm_load_si128((const __m128i *)(input + 7 * stride));
} else {
in[0] = _mm_load_si128((const __m128i *)(input + 7 * stride));
in[1] = _mm_load_si128((const __m128i *)(input + 6 * stride));
in[2] = _mm_load_si128((const __m128i *)(input + 5 * stride));
in[3] = _mm_load_si128((const __m128i *)(input + 4 * stride));
in[4] = _mm_load_si128((const __m128i *)(input + 3 * stride));
in[5] = _mm_load_si128((const __m128i *)(input + 2 * stride));
in[6] = _mm_load_si128((const __m128i *)(input + 1 * stride));
in[7] = _mm_load_si128((const __m128i *)(input + 0 * stride));
}
if (fliplr) {
in[0] = mm_reverse_epi16(in[0]);
in[1] = mm_reverse_epi16(in[1]);
in[2] = mm_reverse_epi16(in[2]);
in[3] = mm_reverse_epi16(in[3]);
in[4] = mm_reverse_epi16(in[4]);
in[5] = mm_reverse_epi16(in[5]);
in[6] = mm_reverse_epi16(in[6]);
in[7] = mm_reverse_epi16(in[7]);
}
u = _mm_unpackhi_epi64(in[4], in[4]);
in[8] = _mm_cvtepi16_epi32(in[4]);
in[9] = _mm_cvtepi16_epi32(u);
u = _mm_unpackhi_epi64(in[5], in[5]);
in[10] = _mm_cvtepi16_epi32(in[5]);
in[11] = _mm_cvtepi16_epi32(u);
u = _mm_unpackhi_epi64(in[6], in[6]);
in[12] = _mm_cvtepi16_epi32(in[6]);
in[13] = _mm_cvtepi16_epi32(u);
u = _mm_unpackhi_epi64(in[7], in[7]);
in[14] = _mm_cvtepi16_epi32(in[7]);
in[15] = _mm_cvtepi16_epi32(u);
u = _mm_unpackhi_epi64(in[3], in[3]);
in[6] = _mm_cvtepi16_epi32(in[3]);
in[7] = _mm_cvtepi16_epi32(u);
u = _mm_unpackhi_epi64(in[2], in[2]);
in[4] = _mm_cvtepi16_epi32(in[2]);
in[5] = _mm_cvtepi16_epi32(u);
u = _mm_unpackhi_epi64(in[1], in[1]);
in[2] = _mm_cvtepi16_epi32(in[1]);
in[3] = _mm_cvtepi16_epi32(u);
u = _mm_unpackhi_epi64(in[0], in[0]);
in[0] = _mm_cvtepi16_epi32(in[0]);
in[1] = _mm_cvtepi16_epi32(u);
in[0] = _mm_slli_epi32(in[0], shift);
in[1] = _mm_slli_epi32(in[1], shift);
in[2] = _mm_slli_epi32(in[2], shift);
in[3] = _mm_slli_epi32(in[3], shift);
in[4] = _mm_slli_epi32(in[4], shift);
in[5] = _mm_slli_epi32(in[5], shift);
in[6] = _mm_slli_epi32(in[6], shift);
in[7] = _mm_slli_epi32(in[7], shift);
in[8] = _mm_slli_epi32(in[8], shift);
in[9] = _mm_slli_epi32(in[9], shift);
in[10] = _mm_slli_epi32(in[10], shift);
in[11] = _mm_slli_epi32(in[11], shift);
in[12] = _mm_slli_epi32(in[12], shift);
in[13] = _mm_slli_epi32(in[13], shift);
in[14] = _mm_slli_epi32(in[14], shift);
in[15] = _mm_slli_epi32(in[15], shift);
}
static INLINE void col_txfm_8x8_rounding(__m128i *in, int shift) {
const __m128i rounding = _mm_set1_epi32(1 << (shift - 1));
in[0] = _mm_add_epi32(in[0], rounding);
in[1] = _mm_add_epi32(in[1], rounding);
in[2] = _mm_add_epi32(in[2], rounding);
in[3] = _mm_add_epi32(in[3], rounding);
in[4] = _mm_add_epi32(in[4], rounding);
in[5] = _mm_add_epi32(in[5], rounding);
in[6] = _mm_add_epi32(in[6], rounding);
in[7] = _mm_add_epi32(in[7], rounding);
in[8] = _mm_add_epi32(in[8], rounding);
in[9] = _mm_add_epi32(in[9], rounding);
in[10] = _mm_add_epi32(in[10], rounding);
in[11] = _mm_add_epi32(in[11], rounding);
in[12] = _mm_add_epi32(in[12], rounding);
in[13] = _mm_add_epi32(in[13], rounding);
in[14] = _mm_add_epi32(in[14], rounding);
in[15] = _mm_add_epi32(in[15], rounding);
in[0] = _mm_srai_epi32(in[0], shift);
in[1] = _mm_srai_epi32(in[1], shift);
in[2] = _mm_srai_epi32(in[2], shift);
in[3] = _mm_srai_epi32(in[3], shift);
in[4] = _mm_srai_epi32(in[4], shift);
in[5] = _mm_srai_epi32(in[5], shift);
in[6] = _mm_srai_epi32(in[6], shift);
in[7] = _mm_srai_epi32(in[7], shift);
in[8] = _mm_srai_epi32(in[8], shift);
in[9] = _mm_srai_epi32(in[9], shift);
in[10] = _mm_srai_epi32(in[10], shift);
in[11] = _mm_srai_epi32(in[11], shift);
in[12] = _mm_srai_epi32(in[12], shift);
in[13] = _mm_srai_epi32(in[13], shift);
in[14] = _mm_srai_epi32(in[14], shift);
in[15] = _mm_srai_epi32(in[15], shift);
}
static INLINE void write_buffer_8x8(const __m128i *res, tran_low_t *output) {
_mm_store_si128((__m128i *)(output + 0 * 4), res[0]);
_mm_store_si128((__m128i *)(output + 1 * 4), res[1]);
_mm_store_si128((__m128i *)(output + 2 * 4), res[2]);
_mm_store_si128((__m128i *)(output + 3 * 4), res[3]);
_mm_store_si128((__m128i *)(output + 4 * 4), res[4]);
_mm_store_si128((__m128i *)(output + 5 * 4), res[5]);
_mm_store_si128((__m128i *)(output + 6 * 4), res[6]);
_mm_store_si128((__m128i *)(output + 7 * 4), res[7]);
_mm_store_si128((__m128i *)(output + 8 * 4), res[8]);
_mm_store_si128((__m128i *)(output + 9 * 4), res[9]);
_mm_store_si128((__m128i *)(output + 10 * 4), res[10]);
_mm_store_si128((__m128i *)(output + 11 * 4), res[11]);
_mm_store_si128((__m128i *)(output + 12 * 4), res[12]);
_mm_store_si128((__m128i *)(output + 13 * 4), res[13]);
_mm_store_si128((__m128i *)(output + 14 * 4), res[14]);
_mm_store_si128((__m128i *)(output + 15 * 4), res[15]);
}
static void fdct8x8_sse4_1(__m128i *in, __m128i *out, int bit) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i cospim32 = _mm_set1_epi32(-cospi[32]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
__m128i u[8], v[8];
// Even 8 points 0, 2, ..., 14
// stage 0
// stage 1
u[0] = _mm_add_epi32(in[0], in[14]);
v[7] = _mm_sub_epi32(in[0], in[14]); // v[7]
u[1] = _mm_add_epi32(in[2], in[12]);
u[6] = _mm_sub_epi32(in[2], in[12]);
u[2] = _mm_add_epi32(in[4], in[10]);
u[5] = _mm_sub_epi32(in[4], in[10]);
u[3] = _mm_add_epi32(in[6], in[8]);
v[4] = _mm_sub_epi32(in[6], in[8]); // v[4]
// stage 2
v[0] = _mm_add_epi32(u[0], u[3]);
v[3] = _mm_sub_epi32(u[0], u[3]);
v[1] = _mm_add_epi32(u[1], u[2]);
v[2] = _mm_sub_epi32(u[1], u[2]);
v[5] = _mm_mullo_epi32(u[5], cospim32);
v[6] = _mm_mullo_epi32(u[6], cospi32);
v[5] = _mm_add_epi32(v[5], v[6]);
v[5] = _mm_add_epi32(v[5], rnding);
v[5] = _mm_srai_epi32(v[5], bit);
u[0] = _mm_mullo_epi32(u[5], cospi32);
v[6] = _mm_mullo_epi32(u[6], cospim32);
v[6] = _mm_sub_epi32(u[0], v[6]);
v[6] = _mm_add_epi32(v[6], rnding);
v[6] = _mm_srai_epi32(v[6], bit);
// stage 3
// type 0
v[0] = _mm_mullo_epi32(v[0], cospi32);
v[1] = _mm_mullo_epi32(v[1], cospi32);
u[0] = _mm_add_epi32(v[0], v[1]);
u[0] = _mm_add_epi32(u[0], rnding);
u[0] = _mm_srai_epi32(u[0], bit);
u[1] = _mm_sub_epi32(v[0], v[1]);
u[1] = _mm_add_epi32(u[1], rnding);
u[1] = _mm_srai_epi32(u[1], bit);
// type 1
v[0] = _mm_mullo_epi32(v[2], cospi48);
v[1] = _mm_mullo_epi32(v[3], cospi16);
u[2] = _mm_add_epi32(v[0], v[1]);
u[2] = _mm_add_epi32(u[2], rnding);
u[2] = _mm_srai_epi32(u[2], bit);
v[0] = _mm_mullo_epi32(v[2], cospi16);
v[1] = _mm_mullo_epi32(v[3], cospi48);
u[3] = _mm_sub_epi32(v[1], v[0]);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
u[4] = _mm_add_epi32(v[4], v[5]);
u[5] = _mm_sub_epi32(v[4], v[5]);
u[6] = _mm_sub_epi32(v[7], v[6]);
u[7] = _mm_add_epi32(v[7], v[6]);
// stage 4
// stage 5
v[0] = _mm_mullo_epi32(u[4], cospi56);
v[1] = _mm_mullo_epi32(u[7], cospi8);
v[0] = _mm_add_epi32(v[0], v[1]);
v[0] = _mm_add_epi32(v[0], rnding);
out[2] = _mm_srai_epi32(v[0], bit); // buf0[4]
v[0] = _mm_mullo_epi32(u[4], cospi8);
v[1] = _mm_mullo_epi32(u[7], cospi56);
v[0] = _mm_sub_epi32(v[1], v[0]);
v[0] = _mm_add_epi32(v[0], rnding);
out[14] = _mm_srai_epi32(v[0], bit); // buf0[7]
v[0] = _mm_mullo_epi32(u[5], cospi24);
v[1] = _mm_mullo_epi32(u[6], cospi40);
v[0] = _mm_add_epi32(v[0], v[1]);
v[0] = _mm_add_epi32(v[0], rnding);
out[10] = _mm_srai_epi32(v[0], bit); // buf0[5]
v[0] = _mm_mullo_epi32(u[5], cospi40);
v[1] = _mm_mullo_epi32(u[6], cospi24);
v[0] = _mm_sub_epi32(v[1], v[0]);
v[0] = _mm_add_epi32(v[0], rnding);
out[6] = _mm_srai_epi32(v[0], bit); // buf0[6]
out[0] = u[0]; // buf0[0]
out[8] = u[1]; // buf0[1]
out[4] = u[2]; // buf0[2]
out[12] = u[3]; // buf0[3]
// Odd 8 points: 1, 3, ..., 15
// stage 0
// stage 1
u[0] = _mm_add_epi32(in[1], in[15]);
v[7] = _mm_sub_epi32(in[1], in[15]); // v[7]
u[1] = _mm_add_epi32(in[3], in[13]);
u[6] = _mm_sub_epi32(in[3], in[13]);
u[2] = _mm_add_epi32(in[5], in[11]);
u[5] = _mm_sub_epi32(in[5], in[11]);
u[3] = _mm_add_epi32(in[7], in[9]);
v[4] = _mm_sub_epi32(in[7], in[9]); // v[4]
// stage 2
v[0] = _mm_add_epi32(u[0], u[3]);
v[3] = _mm_sub_epi32(u[0], u[3]);
v[1] = _mm_add_epi32(u[1], u[2]);
v[2] = _mm_sub_epi32(u[1], u[2]);
v[5] = _mm_mullo_epi32(u[5], cospim32);
v[6] = _mm_mullo_epi32(u[6], cospi32);
v[5] = _mm_add_epi32(v[5], v[6]);
v[5] = _mm_add_epi32(v[5], rnding);
v[5] = _mm_srai_epi32(v[5], bit);
u[0] = _mm_mullo_epi32(u[5], cospi32);
v[6] = _mm_mullo_epi32(u[6], cospim32);
v[6] = _mm_sub_epi32(u[0], v[6]);
v[6] = _mm_add_epi32(v[6], rnding);
v[6] = _mm_srai_epi32(v[6], bit);
// stage 3
// type 0
v[0] = _mm_mullo_epi32(v[0], cospi32);
v[1] = _mm_mullo_epi32(v[1], cospi32);
u[0] = _mm_add_epi32(v[0], v[1]);
u[0] = _mm_add_epi32(u[0], rnding);
u[0] = _mm_srai_epi32(u[0], bit);
u[1] = _mm_sub_epi32(v[0], v[1]);
u[1] = _mm_add_epi32(u[1], rnding);
u[1] = _mm_srai_epi32(u[1], bit);
// type 1
v[0] = _mm_mullo_epi32(v[2], cospi48);
v[1] = _mm_mullo_epi32(v[3], cospi16);
u[2] = _mm_add_epi32(v[0], v[1]);
u[2] = _mm_add_epi32(u[2], rnding);
u[2] = _mm_srai_epi32(u[2], bit);
v[0] = _mm_mullo_epi32(v[2], cospi16);
v[1] = _mm_mullo_epi32(v[3], cospi48);
u[3] = _mm_sub_epi32(v[1], v[0]);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
u[4] = _mm_add_epi32(v[4], v[5]);
u[5] = _mm_sub_epi32(v[4], v[5]);
u[6] = _mm_sub_epi32(v[7], v[6]);
u[7] = _mm_add_epi32(v[7], v[6]);
// stage 4
// stage 5
v[0] = _mm_mullo_epi32(u[4], cospi56);
v[1] = _mm_mullo_epi32(u[7], cospi8);
v[0] = _mm_add_epi32(v[0], v[1]);
v[0] = _mm_add_epi32(v[0], rnding);
out[3] = _mm_srai_epi32(v[0], bit); // buf0[4]
v[0] = _mm_mullo_epi32(u[4], cospi8);
v[1] = _mm_mullo_epi32(u[7], cospi56);
v[0] = _mm_sub_epi32(v[1], v[0]);
v[0] = _mm_add_epi32(v[0], rnding);
out[15] = _mm_srai_epi32(v[0], bit); // buf0[7]
v[0] = _mm_mullo_epi32(u[5], cospi24);
v[1] = _mm_mullo_epi32(u[6], cospi40);
v[0] = _mm_add_epi32(v[0], v[1]);
v[0] = _mm_add_epi32(v[0], rnding);
out[11] = _mm_srai_epi32(v[0], bit); // buf0[5]
v[0] = _mm_mullo_epi32(u[5], cospi40);
v[1] = _mm_mullo_epi32(u[6], cospi24);
v[0] = _mm_sub_epi32(v[1], v[0]);
v[0] = _mm_add_epi32(v[0], rnding);
out[7] = _mm_srai_epi32(v[0], bit); // buf0[6]
out[1] = u[0]; // buf0[0]
out[9] = u[1]; // buf0[1]
out[5] = u[2]; // buf0[2]
out[13] = u[3]; // buf0[3]
}
static void fadst8x8_sse4_1(__m128i *in, __m128i *out, int bit) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospi20 = _mm_set1_epi32(cospi[20]);
const __m128i cospi44 = _mm_set1_epi32(cospi[44]);
const __m128i cospi36 = _mm_set1_epi32(cospi[36]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
const __m128i cospi52 = _mm_set1_epi32(cospi[52]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const __m128i kZero = _mm_setzero_si128();
__m128i u[8], v[8], x;
// Even 8 points: 0, 2, ..., 14
// stage 0
// stage 1
// stage 2
// (1)
u[0] = _mm_mullo_epi32(in[14], cospi4);
x = _mm_mullo_epi32(in[0], cospi60);
u[0] = _mm_add_epi32(u[0], x);
u[0] = _mm_add_epi32(u[0], rnding);
u[0] = _mm_srai_epi32(u[0], bit);
u[1] = _mm_mullo_epi32(in[14], cospi60);
x = _mm_mullo_epi32(in[0], cospi4);
u[1] = _mm_sub_epi32(u[1], x);
u[1] = _mm_add_epi32(u[1], rnding);
u[1] = _mm_srai_epi32(u[1], bit);
// (2)
u[2] = _mm_mullo_epi32(in[10], cospi20);
x = _mm_mullo_epi32(in[4], cospi44);
u[2] = _mm_add_epi32(u[2], x);
u[2] = _mm_add_epi32(u[2], rnding);
u[2] = _mm_srai_epi32(u[2], bit);
u[3] = _mm_mullo_epi32(in[10], cospi44);
x = _mm_mullo_epi32(in[4], cospi20);
u[3] = _mm_sub_epi32(u[3], x);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
// (3)
u[4] = _mm_mullo_epi32(in[6], cospi36);
x = _mm_mullo_epi32(in[8], cospi28);
u[4] = _mm_add_epi32(u[4], x);
u[4] = _mm_add_epi32(u[4], rnding);
u[4] = _mm_srai_epi32(u[4], bit);
u[5] = _mm_mullo_epi32(in[6], cospi28);
x = _mm_mullo_epi32(in[8], cospi36);
u[5] = _mm_sub_epi32(u[5], x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
// (4)
u[6] = _mm_mullo_epi32(in[2], cospi52);
x = _mm_mullo_epi32(in[12], cospi12);
u[6] = _mm_add_epi32(u[6], x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = _mm_mullo_epi32(in[2], cospi12);
x = _mm_mullo_epi32(in[12], cospi52);
u[7] = _mm_sub_epi32(u[7], x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
// stage 3
v[0] = _mm_add_epi32(u[0], u[4]);
v[4] = _mm_sub_epi32(u[0], u[4]);
v[1] = _mm_add_epi32(u[1], u[5]);
v[5] = _mm_sub_epi32(u[1], u[5]);
v[2] = _mm_add_epi32(u[2], u[6]);
v[6] = _mm_sub_epi32(u[2], u[6]);
v[3] = _mm_add_epi32(u[3], u[7]);
v[7] = _mm_sub_epi32(u[3], u[7]);
// stage 4
u[0] = v[0];
u[1] = v[1];
u[2] = v[2];
u[3] = v[3];
u[4] = _mm_mullo_epi32(v[4], cospi16);
x = _mm_mullo_epi32(v[5], cospi48);
u[4] = _mm_add_epi32(u[4], x);
u[4] = _mm_add_epi32(u[4], rnding);
u[4] = _mm_srai_epi32(u[4], bit);
u[5] = _mm_mullo_epi32(v[4], cospi48);
x = _mm_mullo_epi32(v[5], cospi16);
u[5] = _mm_sub_epi32(u[5], x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
u[6] = _mm_mullo_epi32(v[6], cospim48);
x = _mm_mullo_epi32(v[7], cospi16);
u[6] = _mm_add_epi32(u[6], x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = _mm_mullo_epi32(v[6], cospi16);
x = _mm_mullo_epi32(v[7], cospim48);
u[7] = _mm_sub_epi32(u[7], x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
// stage 5
v[0] = _mm_add_epi32(u[0], u[2]);
v[2] = _mm_sub_epi32(u[0], u[2]);
v[1] = _mm_add_epi32(u[1], u[3]);
v[3] = _mm_sub_epi32(u[1], u[3]);
v[4] = _mm_add_epi32(u[4], u[6]);
v[6] = _mm_sub_epi32(u[4], u[6]);
v[5] = _mm_add_epi32(u[5], u[7]);
v[7] = _mm_sub_epi32(u[5], u[7]);
// stage 6
u[0] = v[0];
u[1] = v[1];
u[4] = v[4];
u[5] = v[5];
v[0] = _mm_mullo_epi32(v[2], cospi32);
x = _mm_mullo_epi32(v[3], cospi32);
u[2] = _mm_add_epi32(v[0], x);
u[2] = _mm_add_epi32(u[2], rnding);
u[2] = _mm_srai_epi32(u[2], bit);
u[3] = _mm_sub_epi32(v[0], x);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
v[0] = _mm_mullo_epi32(v[6], cospi32);
x = _mm_mullo_epi32(v[7], cospi32);
u[6] = _mm_add_epi32(v[0], x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = _mm_sub_epi32(v[0], x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
// stage 7
out[0] = u[0];
out[2] = _mm_sub_epi32(kZero, u[4]);
out[4] = u[6];
out[6] = _mm_sub_epi32(kZero, u[2]);
out[8] = u[3];
out[10] = _mm_sub_epi32(kZero, u[7]);
out[12] = u[5];
out[14] = _mm_sub_epi32(kZero, u[1]);
// Odd 8 points: 1, 3, ..., 15
// stage 0
// stage 1
// stage 2
// (1)
u[0] = _mm_mullo_epi32(in[15], cospi4);
x = _mm_mullo_epi32(in[1], cospi60);
u[0] = _mm_add_epi32(u[0], x);
u[0] = _mm_add_epi32(u[0], rnding);
u[0] = _mm_srai_epi32(u[0], bit);
u[1] = _mm_mullo_epi32(in[15], cospi60);
x = _mm_mullo_epi32(in[1], cospi4);
u[1] = _mm_sub_epi32(u[1], x);
u[1] = _mm_add_epi32(u[1], rnding);
u[1] = _mm_srai_epi32(u[1], bit);
// (2)
u[2] = _mm_mullo_epi32(in[11], cospi20);
x = _mm_mullo_epi32(in[5], cospi44);
u[2] = _mm_add_epi32(u[2], x);
u[2] = _mm_add_epi32(u[2], rnding);
u[2] = _mm_srai_epi32(u[2], bit);
u[3] = _mm_mullo_epi32(in[11], cospi44);
x = _mm_mullo_epi32(in[5], cospi20);
u[3] = _mm_sub_epi32(u[3], x);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
// (3)
u[4] = _mm_mullo_epi32(in[7], cospi36);
x = _mm_mullo_epi32(in[9], cospi28);
u[4] = _mm_add_epi32(u[4], x);
u[4] = _mm_add_epi32(u[4], rnding);
u[4] = _mm_srai_epi32(u[4], bit);
u[5] = _mm_mullo_epi32(in[7], cospi28);
x = _mm_mullo_epi32(in[9], cospi36);
u[5] = _mm_sub_epi32(u[5], x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
// (4)
u[6] = _mm_mullo_epi32(in[3], cospi52);
x = _mm_mullo_epi32(in[13], cospi12);
u[6] = _mm_add_epi32(u[6], x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = _mm_mullo_epi32(in[3], cospi12);
x = _mm_mullo_epi32(in[13], cospi52);
u[7] = _mm_sub_epi32(u[7], x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
// stage 3
v[0] = _mm_add_epi32(u[0], u[4]);
v[4] = _mm_sub_epi32(u[0], u[4]);
v[1] = _mm_add_epi32(u[1], u[5]);
v[5] = _mm_sub_epi32(u[1], u[5]);
v[2] = _mm_add_epi32(u[2], u[6]);
v[6] = _mm_sub_epi32(u[2], u[6]);
v[3] = _mm_add_epi32(u[3], u[7]);
v[7] = _mm_sub_epi32(u[3], u[7]);
// stage 4
u[0] = v[0];
u[1] = v[1];
u[2] = v[2];
u[3] = v[3];
u[4] = _mm_mullo_epi32(v[4], cospi16);
x = _mm_mullo_epi32(v[5], cospi48);
u[4] = _mm_add_epi32(u[4], x);
u[4] = _mm_add_epi32(u[4], rnding);
u[4] = _mm_srai_epi32(u[4], bit);
u[5] = _mm_mullo_epi32(v[4], cospi48);
x = _mm_mullo_epi32(v[5], cospi16);
u[5] = _mm_sub_epi32(u[5], x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
u[6] = _mm_mullo_epi32(v[6], cospim48);
x = _mm_mullo_epi32(v[7], cospi16);
u[6] = _mm_add_epi32(u[6], x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = _mm_mullo_epi32(v[6], cospi16);
x = _mm_mullo_epi32(v[7], cospim48);
u[7] = _mm_sub_epi32(u[7], x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
// stage 5
v[0] = _mm_add_epi32(u[0], u[2]);
v[2] = _mm_sub_epi32(u[0], u[2]);
v[1] = _mm_add_epi32(u[1], u[3]);
v[3] = _mm_sub_epi32(u[1], u[3]);
v[4] = _mm_add_epi32(u[4], u[6]);
v[6] = _mm_sub_epi32(u[4], u[6]);
v[5] = _mm_add_epi32(u[5], u[7]);
v[7] = _mm_sub_epi32(u[5], u[7]);
// stage 6
u[0] = v[0];
u[1] = v[1];
u[4] = v[4];
u[5] = v[5];
v[0] = _mm_mullo_epi32(v[2], cospi32);
x = _mm_mullo_epi32(v[3], cospi32);
u[2] = _mm_add_epi32(v[0], x);
u[2] = _mm_add_epi32(u[2], rnding);
u[2] = _mm_srai_epi32(u[2], bit);
u[3] = _mm_sub_epi32(v[0], x);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
v[0] = _mm_mullo_epi32(v[6], cospi32);
x = _mm_mullo_epi32(v[7], cospi32);
u[6] = _mm_add_epi32(v[0], x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = _mm_sub_epi32(v[0], x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
// stage 7
out[1] = u[0];
out[3] = _mm_sub_epi32(kZero, u[4]);
out[5] = u[6];
out[7] = _mm_sub_epi32(kZero, u[2]);
out[9] = u[3];
out[11] = _mm_sub_epi32(kZero, u[7]);
out[13] = u[5];
out[15] = _mm_sub_epi32(kZero, u[1]);
}
void av1_fwd_txfm2d_8x8_sse4_1(const int16_t *input, int32_t *coeff, int stride,
int tx_type, int bd) {
__m128i in[16], out[16];
const TXFM_1D_CFG *row_cfg = NULL;
const TXFM_1D_CFG *col_cfg = NULL;
switch (tx_type) {
case DCT_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_8;
col_cfg = &fwd_txfm_1d_col_cfg_dct_8;
load_buffer_8x8(input, in, stride, 0, 0, row_cfg->shift[0]);
fdct8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fdct8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
case ADST_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_8;
col_cfg = &fwd_txfm_1d_col_cfg_adst_8;
load_buffer_8x8(input, in, stride, 0, 0, row_cfg->shift[0]);
fadst8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fdct8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
case DCT_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_8;
col_cfg = &fwd_txfm_1d_col_cfg_dct_8;
load_buffer_8x8(input, in, stride, 0, 0, row_cfg->shift[0]);
fdct8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fadst8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
case ADST_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_8;
col_cfg = &fwd_txfm_1d_col_cfg_adst_8;
load_buffer_8x8(input, in, stride, 0, 0, row_cfg->shift[0]);
fadst8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fadst8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
#if CONFIG_EXT_TX
case FLIPADST_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_8;
col_cfg = &fwd_txfm_1d_col_cfg_adst_8;
load_buffer_8x8(input, in, stride, 1, 0, row_cfg->shift[0]);
fadst8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fdct8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
case DCT_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_8;
col_cfg = &fwd_txfm_1d_col_cfg_dct_8;
load_buffer_8x8(input, in, stride, 0, 1, row_cfg->shift[0]);
fdct8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fadst8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
case FLIPADST_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_8;
col_cfg = &fwd_txfm_1d_col_cfg_adst_8;
load_buffer_8x8(input, in, stride, 1, 1, row_cfg->shift[0]);
fadst8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fadst8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
case ADST_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_8;
col_cfg = &fwd_txfm_1d_col_cfg_adst_8;
load_buffer_8x8(input, in, stride, 0, 1, row_cfg->shift[0]);
fadst8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fadst8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
case FLIPADST_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_8;
col_cfg = &fwd_txfm_1d_col_cfg_adst_8;
load_buffer_8x8(input, in, stride, 1, 0, row_cfg->shift[0]);
fadst8x8_sse4_1(in, out, col_cfg->cos_bit[2]);
col_txfm_8x8_rounding(out, -row_cfg->shift[1]);
transpose_8x8(out, in);
fadst8x8_sse4_1(in, out, row_cfg->cos_bit[2]);
transpose_8x8(out, in);
write_buffer_8x8(in, coeff);
break;
#endif // CONFIG_EXT_TX
default: assert(0);
}
(void)bd;
}
// Hybrid Transform 16x16
static INLINE void convert_8x8_to_16x16(const __m128i *in, __m128i *out) {
int row_index = 0;
int dst_index = 0;
int src_index = 0;
// row 0, 1, .., 7
do {
out[dst_index] = in[src_index];
out[dst_index + 1] = in[src_index + 1];
out[dst_index + 2] = in[src_index + 16];
out[dst_index + 3] = in[src_index + 17];
dst_index += 4;
src_index += 2;
row_index += 1;
} while (row_index < 8);
// row 8, 9, ..., 15
src_index += 16;
do {
out[dst_index] = in[src_index];
out[dst_index + 1] = in[src_index + 1];
out[dst_index + 2] = in[src_index + 16];
out[dst_index + 3] = in[src_index + 17];
dst_index += 4;
src_index += 2;
row_index += 1;
} while (row_index < 16);
}
static INLINE void load_buffer_16x16(const int16_t *input, __m128i *out,
int stride, int flipud, int fliplr,
int shift) {
__m128i in[64];
// Load 4 8x8 blocks
const int16_t *topL = input;
const int16_t *topR = input + 8;
const int16_t *botL = input + 8 * stride;
const int16_t *botR = input + 8 * stride + 8;
const int16_t *tmp;
if (flipud) {
// Swap left columns
tmp = topL;
topL = botL;
botL = tmp;
// Swap right columns
tmp = topR;
topR = botR;
botR = tmp;
}
if (fliplr) {
// Swap top rows
tmp = topL;
topL = topR;
topR = tmp;
// Swap bottom rows
tmp = botL;
botL = botR;
botR = tmp;
}
// load first 8 columns
load_buffer_8x8(topL, &in[0], stride, flipud, fliplr, shift);
load_buffer_8x8(botL, &in[32], stride, flipud, fliplr, shift);
// load second 8 columns
load_buffer_8x8(topR, &in[16], stride, flipud, fliplr, shift);
load_buffer_8x8(botR, &in[48], stride, flipud, fliplr, shift);
convert_8x8_to_16x16(in, out);
}
static void fdct16x16_sse4_1(__m128i *in, __m128i *out, int bit) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i cospim32 = _mm_set1_epi32(-cospi[32]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
const __m128i cospi36 = _mm_set1_epi32(cospi[36]);
const __m128i cospi44 = _mm_set1_epi32(cospi[44]);
const __m128i cospi20 = _mm_set1_epi32(cospi[20]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospi52 = _mm_set1_epi32(cospi[52]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
__m128i u[16], v[16], x;
const int col_num = 4;
int col;
// Calculate the column 0, 1, 2, 3
for (col = 0; col < col_num; ++col) {
// stage 0
// stage 1
u[0] = _mm_add_epi32(in[0 * col_num + col], in[15 * col_num + col]);
u[15] = _mm_sub_epi32(in[0 * col_num + col], in[15 * col_num + col]);
u[1] = _mm_add_epi32(in[1 * col_num + col], in[14 * col_num + col]);
u[14] = _mm_sub_epi32(in[1 * col_num + col], in[14 * col_num + col]);
u[2] = _mm_add_epi32(in[2 * col_num + col], in[13 * col_num + col]);
u[13] = _mm_sub_epi32(in[2 * col_num + col], in[13 * col_num + col]);
u[3] = _mm_add_epi32(in[3 * col_num + col], in[12 * col_num + col]);
u[12] = _mm_sub_epi32(in[3 * col_num + col], in[12 * col_num + col]);
u[4] = _mm_add_epi32(in[4 * col_num + col], in[11 * col_num + col]);
u[11] = _mm_sub_epi32(in[4 * col_num + col], in[11 * col_num + col]);
u[5] = _mm_add_epi32(in[5 * col_num + col], in[10 * col_num + col]);
u[10] = _mm_sub_epi32(in[5 * col_num + col], in[10 * col_num + col]);
u[6] = _mm_add_epi32(in[6 * col_num + col], in[9 * col_num + col]);
u[9] = _mm_sub_epi32(in[6 * col_num + col], in[9 * col_num + col]);
u[7] = _mm_add_epi32(in[7 * col_num + col], in[8 * col_num + col]);
u[8] = _mm_sub_epi32(in[7 * col_num + col], in[8 * col_num + col]);
// stage 2
v[0] = _mm_add_epi32(u[0], u[7]);
v[7] = _mm_sub_epi32(u[0], u[7]);
v[1] = _mm_add_epi32(u[1], u[6]);
v[6] = _mm_sub_epi32(u[1], u[6]);
v[2] = _mm_add_epi32(u[2], u[5]);
v[5] = _mm_sub_epi32(u[2], u[5]);
v[3] = _mm_add_epi32(u[3], u[4]);
v[4] = _mm_sub_epi32(u[3], u[4]);
v[8] = u[8];
v[9] = u[9];
v[10] = _mm_mullo_epi32(u[10], cospim32);
x = _mm_mullo_epi32(u[13], cospi32);
v[10] = _mm_add_epi32(v[10], x);
v[10] = _mm_add_epi32(v[10], rnding);
v[10] = _mm_srai_epi32(v[10], bit);
v[13] = _mm_mullo_epi32(u[10], cospi32);
x = _mm_mullo_epi32(u[13], cospim32);
v[13] = _mm_sub_epi32(v[13], x);
v[13] = _mm_add_epi32(v[13], rnding);
v[13] = _mm_srai_epi32(v[13], bit);
v[11] = _mm_mullo_epi32(u[11], cospim32);
x = _mm_mullo_epi32(u[12], cospi32);
v[11] = _mm_add_epi32(v[11], x);
v[11] = _mm_add_epi32(v[11], rnding);
v[11] = _mm_srai_epi32(v[11], bit);
v[12] = _mm_mullo_epi32(u[11], cospi32);
x = _mm_mullo_epi32(u[12], cospim32);
v[12] = _mm_sub_epi32(v[12], x);
v[12] = _mm_add_epi32(v[12], rnding);
v[12] = _mm_srai_epi32(v[12], bit);
v[14] = u[14];
v[15] = u[15];
// stage 3
u[0] = _mm_add_epi32(v[0], v[3]);
u[3] = _mm_sub_epi32(v[0], v[3]);
u[1] = _mm_add_epi32(v[1], v[2]);
u[2] = _mm_sub_epi32(v[1], v[2]);
u[4] = v[4];
u[5] = _mm_mullo_epi32(v[5], cospim32);
x = _mm_mullo_epi32(v[6], cospi32);
u[5] = _mm_add_epi32(u[5], x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
u[6] = _mm_mullo_epi32(v[5], cospi32);
x = _mm_mullo_epi32(v[6], cospim32);
u[6] = _mm_sub_epi32(u[6], x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = v[7];
u[8] = _mm_add_epi32(v[8], v[11]);
u[11] = _mm_sub_epi32(v[8], v[11]);
u[9] = _mm_add_epi32(v[9], v[10]);
u[10] = _mm_sub_epi32(v[9], v[10]);
u[12] = _mm_sub_epi32(v[15], v[12]);
u[15] = _mm_add_epi32(v[15], v[12]);
u[13] = _mm_sub_epi32(v[14], v[13]);
u[14] = _mm_add_epi32(v[14], v[13]);
// stage 4
u[0] = _mm_mullo_epi32(u[0], cospi32);
u[1] = _mm_mullo_epi32(u[1], cospi32);
v[0] = _mm_add_epi32(u[0], u[1]);
v[0] = _mm_add_epi32(v[0], rnding);
v[0] = _mm_srai_epi32(v[0], bit);
v[1] = _mm_sub_epi32(u[0], u[1]);
v[1] = _mm_add_epi32(v[1], rnding);
v[1] = _mm_srai_epi32(v[1], bit);
v[2] = _mm_mullo_epi32(u[2], cospi48);
x = _mm_mullo_epi32(u[3], cospi16);
v[2] = _mm_add_epi32(v[2], x);
v[2] = _mm_add_epi32(v[2], rnding);
v[2] = _mm_srai_epi32(v[2], bit);
v[3] = _mm_mullo_epi32(u[2], cospi16);
x = _mm_mullo_epi32(u[3], cospi48);
v[3] = _mm_sub_epi32(x, v[3]);
v[3] = _mm_add_epi32(v[3], rnding);
v[3] = _mm_srai_epi32(v[3], bit);
v[4] = _mm_add_epi32(u[4], u[5]);
v[5] = _mm_sub_epi32(u[4], u[5]);
v[6] = _mm_sub_epi32(u[7], u[6]);
v[7] = _mm_add_epi32(u[7], u[6]);
v[8] = u[8];
v[9] = _mm_mullo_epi32(u[9], cospim16);
x = _mm_mullo_epi32(u[14], cospi48);
v[9] = _mm_add_epi32(v[9], x);
v[9] = _mm_add_epi32(v[9], rnding);
v[9] = _mm_srai_epi32(v[9], bit);
v[14] = _mm_mullo_epi32(u[9], cospi48);
x = _mm_mullo_epi32(u[14], cospim16);
v[14] = _mm_sub_epi32(v[14], x);
v[14] = _mm_add_epi32(v[14], rnding);
v[14] = _mm_srai_epi32(v[14], bit);
v[10] = _mm_mullo_epi32(u[10], cospim48);
x = _mm_mullo_epi32(u[13], cospim16);
v[10] = _mm_add_epi32(v[10], x);
v[10] = _mm_add_epi32(v[10], rnding);
v[10] = _mm_srai_epi32(v[10], bit);
v[13] = _mm_mullo_epi32(u[10], cospim16);
x = _mm_mullo_epi32(u[13], cospim48);
v[13] = _mm_sub_epi32(v[13], x);
v[13] = _mm_add_epi32(v[13], rnding);
v[13] = _mm_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] = _mm_mullo_epi32(v[4], cospi56);
x = _mm_mullo_epi32(v[7], cospi8);
u[4] = _mm_add_epi32(u[4], x);
u[4] = _mm_add_epi32(u[4], rnding);
u[4] = _mm_srai_epi32(u[4], bit);
u[7] = _mm_mullo_epi32(v[4], cospi8);
x = _mm_mullo_epi32(v[7], cospi56);
u[7] = _mm_sub_epi32(x, u[7]);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
u[5] = _mm_mullo_epi32(v[5], cospi24);
x = _mm_mullo_epi32(v[6], cospi40);
u[5] = _mm_add_epi32(u[5], x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
u[6] = _mm_mullo_epi32(v[5], cospi40);
x = _mm_mullo_epi32(v[6], cospi24);
u[6] = _mm_sub_epi32(x, u[6]);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[8] = _mm_add_epi32(v[8], v[9]);
u[9] = _mm_sub_epi32(v[8], v[9]);
u[10] = _mm_sub_epi32(v[11], v[10]);
u[11] = _mm_add_epi32(v[11], v[10]);
u[12] = _mm_add_epi32(v[12], v[13]);
u[13] = _mm_sub_epi32(v[12], v[13]);
u[14] = _mm_sub_epi32(v[15], v[14]);
u[15] = _mm_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] = _mm_mullo_epi32(u[8], cospi60);
x = _mm_mullo_epi32(u[15], cospi4);
v[8] = _mm_add_epi32(v[8], x);
v[8] = _mm_add_epi32(v[8], rnding);
v[8] = _mm_srai_epi32(v[8], bit);
v[15] = _mm_mullo_epi32(u[8], cospi4);
x = _mm_mullo_epi32(u[15], cospi60);
v[15] = _mm_sub_epi32(x, v[15]);
v[15] = _mm_add_epi32(v[15], rnding);
v[15] = _mm_srai_epi32(v[15], bit);
v[9] = _mm_mullo_epi32(u[9], cospi28);
x = _mm_mullo_epi32(u[14], cospi36);
v[9] = _mm_add_epi32(v[9], x);
v[9] = _mm_add_epi32(v[9], rnding);
v[9] = _mm_srai_epi32(v[9], bit);
v[14] = _mm_mullo_epi32(u[9], cospi36);
x = _mm_mullo_epi32(u[14], cospi28);
v[14] = _mm_sub_epi32(x, v[14]);
v[14] = _mm_add_epi32(v[14], rnding);
v[14] = _mm_srai_epi32(v[14], bit);
v[10] = _mm_mullo_epi32(u[10], cospi44);
x = _mm_mullo_epi32(u[13], cospi20);
v[10] = _mm_add_epi32(v[10], x);
v[10] = _mm_add_epi32(v[10], rnding);
v[10] = _mm_srai_epi32(v[10], bit);
v[13] = _mm_mullo_epi32(u[10], cospi20);
x = _mm_mullo_epi32(u[13], cospi44);
v[13] = _mm_sub_epi32(x, v[13]);
v[13] = _mm_add_epi32(v[13], rnding);
v[13] = _mm_srai_epi32(v[13], bit);
v[11] = _mm_mullo_epi32(u[11], cospi12);
x = _mm_mullo_epi32(u[12], cospi52);
v[11] = _mm_add_epi32(v[11], x);
v[11] = _mm_add_epi32(v[11], rnding);
v[11] = _mm_srai_epi32(v[11], bit);
v[12] = _mm_mullo_epi32(u[11], cospi52);
x = _mm_mullo_epi32(u[12], cospi12);
v[12] = _mm_sub_epi32(x, v[12]);
v[12] = _mm_add_epi32(v[12], rnding);
v[12] = _mm_srai_epi32(v[12], bit);
out[0 * col_num + col] = v[0];
out[1 * col_num + col] = v[8];
out[2 * col_num + col] = v[4];
out[3 * col_num + col] = v[12];
out[4 * col_num + col] = v[2];
out[5 * col_num + col] = v[10];
out[6 * col_num + col] = v[6];
out[7 * col_num + col] = v[14];
out[8 * col_num + col] = v[1];
out[9 * col_num + col] = v[9];
out[10 * col_num + col] = v[5];
out[11 * col_num + col] = v[13];
out[12 * col_num + col] = v[3];
out[13 * col_num + col] = v[11];
out[14 * col_num + col] = v[7];
out[15 * col_num + col] = v[15];
}
}
static void fadst16x16_sse4_1(__m128i *in, __m128i *out, int bit) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi2 = _mm_set1_epi32(cospi[2]);
const __m128i cospi62 = _mm_set1_epi32(cospi[62]);
const __m128i cospi10 = _mm_set1_epi32(cospi[10]);
const __m128i cospi54 = _mm_set1_epi32(cospi[54]);
const __m128i cospi18 = _mm_set1_epi32(cospi[18]);
const __m128i cospi46 = _mm_set1_epi32(cospi[46]);
const __m128i cospi26 = _mm_set1_epi32(cospi[26]);
const __m128i cospi38 = _mm_set1_epi32(cospi[38]);
const __m128i cospi34 = _mm_set1_epi32(cospi[34]);
const __m128i cospi30 = _mm_set1_epi32(cospi[30]);
const __m128i cospi42 = _mm_set1_epi32(cospi[42]);
const __m128i cospi22 = _mm_set1_epi32(cospi[22]);
const __m128i cospi50 = _mm_set1_epi32(cospi[50]);
const __m128i cospi14 = _mm_set1_epi32(cospi[14]);
const __m128i cospi58 = _mm_set1_epi32(cospi[58]);
const __m128i cospi6 = _mm_set1_epi32(cospi[6]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospim56 = _mm_set1_epi32(-cospi[56]);
const __m128i cospim24 = _mm_set1_epi32(-cospi[24]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
__m128i u[16], v[16], x, y;
const int col_num = 4;
int col;
// Calculate the column 0, 1, 2, 3
for (col = 0; col < col_num; ++col) {
// stage 0
// stage 1
// stage 2
v[0] = _mm_mullo_epi32(in[15 * col_num + col], cospi2);
x = _mm_mullo_epi32(in[0 * col_num + col], cospi62);
v[0] = _mm_add_epi32(v[0], x);
v[0] = _mm_add_epi32(v[0], rnding);
v[0] = _mm_srai_epi32(v[0], bit);
v[1] = _mm_mullo_epi32(in[15 * col_num + col], cospi62);
x = _mm_mullo_epi32(in[0 * col_num + col], cospi2);
v[1] = _mm_sub_epi32(v[1], x);
v[1] = _mm_add_epi32(v[1], rnding);
v[1] = _mm_srai_epi32(v[1], bit);
v[2] = _mm_mullo_epi32(in[13 * col_num + col], cospi10);
x = _mm_mullo_epi32(in[2 * col_num + col], cospi54);
v[2] = _mm_add_epi32(v[2], x);
v[2] = _mm_add_epi32(v[2], rnding);
v[2] = _mm_srai_epi32(v[2], bit);
v[3] = _mm_mullo_epi32(in[13 * col_num + col], cospi54);
x = _mm_mullo_epi32(in[2 * col_num + col], cospi10);
v[3] = _mm_sub_epi32(v[3], x);
v[3] = _mm_add_epi32(v[3], rnding);
v[3] = _mm_srai_epi32(v[3], bit);
v[4] = _mm_mullo_epi32(in[11 * col_num + col], cospi18);
x = _mm_mullo_epi32(in[4 * col_num + col], cospi46);
v[4] = _mm_add_epi32(v[4], x);
v[4] = _mm_add_epi32(v[4], rnding);
v[4] = _mm_srai_epi32(v[4], bit);
v[5] = _mm_mullo_epi32(in[11 * col_num + col], cospi46);
x = _mm_mullo_epi32(in[4 * col_num + col], cospi18);
v[5] = _mm_sub_epi32(v[5], x);
v[5] = _mm_add_epi32(v[5], rnding);
v[5] = _mm_srai_epi32(v[5], bit);
v[6] = _mm_mullo_epi32(in[9 * col_num + col], cospi26);
x = _mm_mullo_epi32(in[6 * col_num + col], cospi38);
v[6] = _mm_add_epi32(v[6], x);
v[6] = _mm_add_epi32(v[6], rnding);
v[6] = _mm_srai_epi32(v[6], bit);
v[7] = _mm_mullo_epi32(in[9 * col_num + col], cospi38);
x = _mm_mullo_epi32(in[6 * col_num + col], cospi26);
v[7] = _mm_sub_epi32(v[7], x);
v[7] = _mm_add_epi32(v[7], rnding);
v[7] = _mm_srai_epi32(v[7], bit);
v[8] = _mm_mullo_epi32(in[7 * col_num + col], cospi34);
x = _mm_mullo_epi32(in[8 * col_num + col], cospi30);
v[8] = _mm_add_epi32(v[8], x);
v[8] = _mm_add_epi32(v[8], rnding);
v[8] = _mm_srai_epi32(v[8], bit);
v[9] = _mm_mullo_epi32(in[7 * col_num + col], cospi30);
x = _mm_mullo_epi32(in[8 * col_num + col], cospi34);
v[9] = _mm_sub_epi32(v[9], x);
v[9] = _mm_add_epi32(v[9], rnding);
v[9] = _mm_srai_epi32(v[9], bit);
v[10] = _mm_mullo_epi32(in[5 * col_num + col], cospi42);
x = _mm_mullo_epi32(in[10 * col_num + col], cospi22);
v[10] = _mm_add_epi32(v[10], x);
v[10] = _mm_add_epi32(v[10], rnding);
v[10] = _mm_srai_epi32(v[10], bit);
v[11] = _mm_mullo_epi32(in[5 * col_num + col], cospi22);
x = _mm_mullo_epi32(in[10 * col_num + col], cospi42);
v[11] = _mm_sub_epi32(v[11], x);
v[11] = _mm_add_epi32(v[11], rnding);
v[11] = _mm_srai_epi32(v[11], bit);
v[12] = _mm_mullo_epi32(in[3 * col_num + col], cospi50);
x = _mm_mullo_epi32(in[12 * col_num + col], cospi14);
v[12] = _mm_add_epi32(v[12], x);
v[12] = _mm_add_epi32(v[12], rnding);
v[12] = _mm_srai_epi32(v[12], bit);
v[13] = _mm_mullo_epi32(in[3 * col_num + col], cospi14);
x = _mm_mullo_epi32(in[12 * col_num + col], cospi50);
v[13] = _mm_sub_epi32(v[13], x);
v[13] = _mm_add_epi32(v[13], rnding);
v[13] = _mm_srai_epi32(v[13], bit);
v[14] = _mm_mullo_epi32(in[1 * col_num + col], cospi58);
x = _mm_mullo_epi32(in[14 * col_num + col], cospi6);
v[14] = _mm_add_epi32(v[14], x);
v[14] = _mm_add_epi32(v[14], rnding);
v[14] = _mm_srai_epi32(v[14], bit);
v[15] = _mm_mullo_epi32(in[1 * col_num + col], cospi6);
x = _mm_mullo_epi32(in[14 * col_num + col], cospi58);
v[15] = _mm_sub_epi32(v[15], x);
v[15] = _mm_add_epi32(v[15], rnding);
v[15] = _mm_srai_epi32(v[15], bit);
// stage 3
u[0] = _mm_add_epi32(v[0], v[8]);
u[8] = _mm_sub_epi32(v[0], v[8]);
u[1] = _mm_add_epi32(v[1], v[9]);
u[9] = _mm_sub_epi32(v[1], v[9]);
u[2] = _mm_add_epi32(v[2], v[10]);
u[10] = _mm_sub_epi32(v[2], v[10]);
u[3] = _mm_add_epi32(v[3], v[11]);
u[11] = _mm_sub_epi32(v[3], v[11]);
u[4] = _mm_add_epi32(v[4], v[12]);
u[12] = _mm_sub_epi32(v[4], v[12]);
u[5] = _mm_add_epi32(v[5], v[13]);
u[13] = _mm_sub_epi32(v[5], v[13]);
u[6] = _mm_add_epi32(v[6], v[14]);
u[14] = _mm_sub_epi32(v[6], v[14]);
u[7] = _mm_add_epi32(v[7], v[15]);
u[15] = _mm_sub_epi32(v[7], v[15]);
// stage 4
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] = _mm_mullo_epi32(u[8], cospi8);
x = _mm_mullo_epi32(u[9], cospi56);
v[8] = _mm_add_epi32(v[8], x);
v[8] = _mm_add_epi32(v[8], rnding);
v[8] = _mm_srai_epi32(v[8], bit);
v[9] = _mm_mullo_epi32(u[8], cospi56);
x = _mm_mullo_epi32(u[9], cospi8);
v[9] = _mm_sub_epi32(v[9], x);
v[9] = _mm_add_epi32(v[9], rnding);
v[9] = _mm_srai_epi32(v[9], bit);
v[10] = _mm_mullo_epi32(u[10], cospi40);
x = _mm_mullo_epi32(u[11], cospi24);
v[10] = _mm_add_epi32(v[10], x);
v[10] = _mm_add_epi32(v[10], rnding);
v[10] = _mm_srai_epi32(v[10], bit);
v[11] = _mm_mullo_epi32(u[10], cospi24);
x = _mm_mullo_epi32(u[11], cospi40);
v[11] = _mm_sub_epi32(v[11], x);
v[11] = _mm_add_epi32(v[11], rnding);
v[11] = _mm_srai_epi32(v[11], bit);
v[12] = _mm_mullo_epi32(u[12], cospim56);
x = _mm_mullo_epi32(u[13], cospi8);
v[12] = _mm_add_epi32(v[12], x);
v[12] = _mm_add_epi32(v[12], rnding);
v[12] = _mm_srai_epi32(v[12], bit);
v[13] = _mm_mullo_epi32(u[12], cospi8);
x = _mm_mullo_epi32(u[13], cospim56);
v[13] = _mm_sub_epi32(v[13], x);
v[13] = _mm_add_epi32(v[13], rnding);
v[13] = _mm_srai_epi32(v[13], bit);
v[14] = _mm_mullo_epi32(u[14], cospim24);
x = _mm_mullo_epi32(u[15], cospi40);
v[14] = _mm_add_epi32(v[14], x);
v[14] = _mm_add_epi32(v[14], rnding);
v[14] = _mm_srai_epi32(v[14], bit);
v[15] = _mm_mullo_epi32(u[14], cospi40);
x = _mm_mullo_epi32(u[15], cospim24);
v[15] = _mm_sub_epi32(v[15], x);
v[15] = _mm_add_epi32(v[15], rnding);
v[15] = _mm_srai_epi32(v[15], bit);
// stage 5
u[0] = _mm_add_epi32(v[0], v[4]);
u[4] = _mm_sub_epi32(v[0], v[4]);
u[1] = _mm_add_epi32(v[1], v[5]);
u[5] = _mm_sub_epi32(v[1], v[5]);
u[2] = _mm_add_epi32(v[2], v[6]);
u[6] = _mm_sub_epi32(v[2], v[6]);
u[3] = _mm_add_epi32(v[3], v[7]);
u[7] = _mm_sub_epi32(v[3], v[7]);
u[8] = _mm_add_epi32(v[8], v[12]);
u[12] = _mm_sub_epi32(v[8], v[12]);
u[9] = _mm_add_epi32(v[9], v[13]);
u[13] = _mm_sub_epi32(v[9], v[13]);
u[10] = _mm_add_epi32(v[10], v[14]);
u[14] = _mm_sub_epi32(v[10], v[14]);
u[11] = _mm_add_epi32(v[11], v[15]);
u[15] = _mm_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] = _mm_mullo_epi32(u[4], cospi16);
x = _mm_mullo_epi32(u[5], cospi48);
v[4] = _mm_add_epi32(v[4], x);
v[4] = _mm_add_epi32(v[4], rnding);
v[4] = _mm_srai_epi32(v[4], bit);
v[5] = _mm_mullo_epi32(u[4], cospi48);
x = _mm_mullo_epi32(u[5], cospi16);
v[5] = _mm_sub_epi32(v[5], x);
v[5] = _mm_add_epi32(v[5], rnding);
v[5] = _mm_srai_epi32(v[5], bit);
v[6] = _mm_mullo_epi32(u[6], cospim48);
x = _mm_mullo_epi32(u[7], cospi16);
v[6] = _mm_add_epi32(v[6], x);
v[6] = _mm_add_epi32(v[6], rnding);
v[6] = _mm_srai_epi32(v[6], bit);
v[7] = _mm_mullo_epi32(u[6], cospi16);
x = _mm_mullo_epi32(u[7], cospim48);
v[7] = _mm_sub_epi32(v[7], x);
v[7] = _mm_add_epi32(v[7], rnding);
v[7] = _mm_srai_epi32(v[7], bit);
v[8] = u[8];
v[9] = u[9];
v[10] = u[10];
v[11] = u[11];
v[12] = _mm_mullo_epi32(u[12], cospi16);
x = _mm_mullo_epi32(u[13], cospi48);
v[12] = _mm_add_epi32(v[12], x);
v[12] = _mm_add_epi32(v[12], rnding);
v[12] = _mm_srai_epi32(v[12], bit);
v[13] = _mm_mullo_epi32(u[12], cospi48);
x = _mm_mullo_epi32(u[13], cospi16);
v[13] = _mm_sub_epi32(v[13], x);
v[13] = _mm_add_epi32(v[13], rnding);
v[13] = _mm_srai_epi32(v[13], bit);
v[14] = _mm_mullo_epi32(u[14], cospim48);
x = _mm_mullo_epi32(u[15], cospi16);
v[14] = _mm_add_epi32(v[14], x);
v[14] = _mm_add_epi32(v[14], rnding);
v[14] = _mm_srai_epi32(v[14], bit);
v[15] = _mm_mullo_epi32(u[14], cospi16);
x = _mm_mullo_epi32(u[15], cospim48);
v[15] = _mm_sub_epi32(v[15], x);
v[15] = _mm_add_epi32(v[15], rnding);
v[15] = _mm_srai_epi32(v[15], bit);
// stage 7
u[0] = _mm_add_epi32(v[0], v[2]);
u[2] = _mm_sub_epi32(v[0], v[2]);
u[1] = _mm_add_epi32(v[1], v[3]);
u[3] = _mm_sub_epi32(v[1], v[3]);
u[4] = _mm_add_epi32(v[4], v[6]);
u[6] = _mm_sub_epi32(v[4], v[6]);
u[5] = _mm_add_epi32(v[5], v[7]);
u[7] = _mm_sub_epi32(v[5], v[7]);
u[8] = _mm_add_epi32(v[8], v[10]);
u[10] = _mm_sub_epi32(v[8], v[10]);
u[9] = _mm_add_epi32(v[9], v[11]);
u[11] = _mm_sub_epi32(v[9], v[11]);
u[12] = _mm_add_epi32(v[12], v[14]);
u[14] = _mm_sub_epi32(v[12], v[14]);
u[13] = _mm_add_epi32(v[13], v[15]);
u[15] = _mm_sub_epi32(v[13], v[15]);
// stage 8
v[0] = u[0];
v[1] = u[1];
y = _mm_mullo_epi32(u[2], cospi32);
x = _mm_mullo_epi32(u[3], cospi32);
v[2] = _mm_add_epi32(y, x);
v[2] = _mm_add_epi32(v[2], rnding);
v[2] = _mm_srai_epi32(v[2], bit);
v[3] = _mm_sub_epi32(y, x);
v[3] = _mm_add_epi32(v[3], rnding);
v[3] = _mm_srai_epi32(v[3], bit);
v[4] = u[4];
v[5] = u[5];
y = _mm_mullo_epi32(u[6], cospi32);
x = _mm_mullo_epi32(u[7], cospi32);
v[6] = _mm_add_epi32(y, x);
v[6] = _mm_add_epi32(v[6], rnding);
v[6] = _mm_srai_epi32(v[6], bit);
v[7] = _mm_sub_epi32(y, x);
v[7] = _mm_add_epi32(v[7], rnding);
v[7] = _mm_srai_epi32(v[7], bit);
v[8] = u[8];
v[9] = u[9];
y = _mm_mullo_epi32(u[10], cospi32);
x = _mm_mullo_epi32(u[11], cospi32);
v[10] = _mm_add_epi32(y, x);
v[10] = _mm_add_epi32(v[10], rnding);
v[10] = _mm_srai_epi32(v[10], bit);
v[11] = _mm_sub_epi32(y, x);
v[11] = _mm_add_epi32(v[11], rnding);
v[11] = _mm_srai_epi32(v[11], bit);
v[12] = u[12];
v[13] = u[13];
y = _mm_mullo_epi32(u[14], cospi32);
x = _mm_mullo_epi32(u[15], cospi32);
v[14] = _mm_add_epi32(y, x);
v[14] = _mm_add_epi32(v[14], rnding);
v[14] = _mm_srai_epi32(v[14], bit);
v[15] = _mm_sub_epi32(y, x);
v[15] = _mm_add_epi32(v[15], rnding);
v[15] = _mm_srai_epi32(v[15], bit);
// stage 9
out[0 * col_num + col] = v[0];
out[1 * col_num + col] = _mm_sub_epi32(_mm_set1_epi32(0), v[8]);
out[2 * col_num + col] = v[12];
out[3 * col_num + col] = _mm_sub_epi32(_mm_set1_epi32(0), v[4]);
out[4 * col_num + col] = v[6];
out[5 * col_num + col] = _mm_sub_epi32(_mm_set1_epi32(0), v[14]);
out[6 * col_num + col] = v[10];
out[7 * col_num + col] = _mm_sub_epi32(_mm_set1_epi32(0), v[2]);
out[8 * col_num + col] = v[3];
out[9 * col_num + col] = _mm_sub_epi32(_mm_set1_epi32(0), v[11]);
out[10 * col_num + col] = v[15];
out[11 * col_num + col] = _mm_sub_epi32(_mm_set1_epi32(0), v[7]);
out[12 * col_num + col] = v[5];
out[13 * col_num + col] = _mm_sub_epi32(_mm_set1_epi32(0), v[13]);
out[14 * col_num + col] = v[9];
out[15 * col_num + col] = _mm_sub_epi32(_mm_set1_epi32(0), v[1]);
}
}
static void col_txfm_16x16_rounding(__m128i *in, int shift) {
// Note:
// We split 16x16 rounding into 4 sections of 8x8 rounding,
// instead of 4 columns
col_txfm_8x8_rounding(&in[0], shift);
col_txfm_8x8_rounding(&in[16], shift);
col_txfm_8x8_rounding(&in[32], shift);
col_txfm_8x8_rounding(&in[48], shift);
}
static void write_buffer_16x16(const __m128i *in, tran_low_t *output) {
const int size_8x8 = 16 * 4;
write_buffer_8x8(&in[0], output);
output += size_8x8;
write_buffer_8x8(&in[16], output);
output += size_8x8;
write_buffer_8x8(&in[32], output);
output += size_8x8;
write_buffer_8x8(&in[48], output);
}
void av1_fwd_txfm2d_16x16_sse4_1(const int16_t *input, int32_t *coeff,
int stride, int tx_type, int bd) {
__m128i in[64], out[64];
const TXFM_1D_CFG *row_cfg = NULL;
const TXFM_1D_CFG *col_cfg = NULL;
switch (tx_type) {
case DCT_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_16;
col_cfg = &fwd_txfm_1d_col_cfg_dct_16;
load_buffer_16x16(input, in, stride, 0, 0, row_cfg->shift[0]);
fdct16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fdct16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
case ADST_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_16;
col_cfg = &fwd_txfm_1d_col_cfg_adst_16;
load_buffer_16x16(input, in, stride, 0, 0, row_cfg->shift[0]);
fadst16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fdct16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
case DCT_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_16;
col_cfg = &fwd_txfm_1d_col_cfg_dct_16;
load_buffer_16x16(input, in, stride, 0, 0, row_cfg->shift[0]);
fdct16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fadst16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
case ADST_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_16;
col_cfg = &fwd_txfm_1d_col_cfg_adst_16;
load_buffer_16x16(input, in, stride, 0, 0, row_cfg->shift[0]);
fadst16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fadst16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
#if CONFIG_EXT_TX
case FLIPADST_DCT:
row_cfg = &fwd_txfm_1d_row_cfg_dct_16;
col_cfg = &fwd_txfm_1d_col_cfg_adst_16;
load_buffer_16x16(input, in, stride, 1, 0, row_cfg->shift[0]);
fadst16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fdct16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
case DCT_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_16;
col_cfg = &fwd_txfm_1d_col_cfg_dct_16;
load_buffer_16x16(input, in, stride, 0, 1, row_cfg->shift[0]);
fdct16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fadst16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
case FLIPADST_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_16;
col_cfg = &fwd_txfm_1d_col_cfg_adst_16;
load_buffer_16x16(input, in, stride, 1, 1, row_cfg->shift[0]);
fadst16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fadst16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
case ADST_FLIPADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_16;
col_cfg = &fwd_txfm_1d_col_cfg_adst_16;
load_buffer_16x16(input, in, stride, 0, 1, row_cfg->shift[0]);
fadst16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fadst16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
case FLIPADST_ADST:
row_cfg = &fwd_txfm_1d_row_cfg_adst_16;
col_cfg = &fwd_txfm_1d_col_cfg_adst_16;
load_buffer_16x16(input, in, stride, 1, 0, row_cfg->shift[0]);
fadst16x16_sse4_1(in, out, col_cfg->cos_bit[0]);
col_txfm_16x16_rounding(out, -row_cfg->shift[1]);
transpose_16x16(out, in);
fadst16x16_sse4_1(in, out, row_cfg->cos_bit[0]);
transpose_16x16(out, in);
write_buffer_16x16(in, coeff);
break;
#endif // CONFIG_EXT_TX
default: assert(0);
}
(void)bd;
}