ref: e4e08556db4f964bc44f3c4fdb3af8898dcb8522
dir: /vpx_dsp/x86/highbd_idct8x8_add_sse4.c/
/*
* Copyright (c) 2017 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <smmintrin.h>
#include "./vpx_dsp_rtcd.h"
#include "vpx_dsp/x86/highbd_inv_txfm_sse2.h"
#include "vpx_dsp/x86/highbd_inv_txfm_sse4.h"
#include "vpx_dsp/x86/inv_txfm_sse2.h"
#include "vpx_dsp/x86/inv_txfm_ssse3.h"
#include "vpx_dsp/x86/transpose_sse2.h"
static void highbd_idct8x8_half1d(__m128i *const io) {
const __m128i cp_4q_4q =
_mm_setr_epi32(cospi_4_64 << 2, 0, cospi_4_64 << 2, 0);
const __m128i cp_8q_8q =
_mm_setr_epi32(cospi_8_64 << 2, 0, cospi_8_64 << 2, 0);
const __m128i cp_12q_12q =
_mm_setr_epi32(cospi_12_64 << 2, 0, cospi_12_64 << 2, 0);
const __m128i cp_16q_16q =
_mm_setr_epi32(cospi_16_64 << 2, 0, cospi_16_64 << 2, 0);
const __m128i cp_20q_20q =
_mm_setr_epi32(cospi_20_64 << 2, 0, cospi_20_64 << 2, 0);
const __m128i cp_24q_24q =
_mm_setr_epi32(cospi_24_64 << 2, 0, cospi_24_64 << 2, 0);
const __m128i cp_28q_28q =
_mm_setr_epi32(cospi_28_64 << 2, 0, cospi_28_64 << 2, 0);
__m128i temp1[4], temp2[4], step1[8], step2[8];
transpose_32bit_4x4x2(io, io);
// stage 1
step1[0] = io[0];
step1[2] = io[4];
step1[1] = io[2];
step1[3] = io[6];
multiplication_and_add_2_ssse4_1(&io[1], &io[7], &cp_28q_28q, &cp_4q_4q,
&step1[4], &step1[7]);
multiplication_and_add_2_ssse4_1(&io[5], &io[3], &cp_12q_12q, &cp_20q_20q,
&step1[5], &step1[6]);
// stage 2
temp2[0] = _mm_add_epi32(step1[0], step1[2]);
extend_64bit(temp2[0], temp1);
step2[0] = multiplication_round_shift(temp1, cp_16q_16q);
temp2[0] = _mm_sub_epi32(step1[0], step1[2]);
extend_64bit(temp2[0], temp1);
step2[1] = multiplication_round_shift(temp1, cp_16q_16q);
multiplication_and_add_2_ssse4_1(&step1[1], &step1[3], &cp_24q_24q, &cp_8q_8q,
&step2[2], &step2[3]);
step2[4] = _mm_add_epi32(step1[4], step1[5]);
step2[5] = _mm_sub_epi32(step1[4], step1[5]);
step2[6] = _mm_sub_epi32(step1[7], step1[6]);
step2[7] = _mm_add_epi32(step1[7], step1[6]);
// stage 3
step1[0] = _mm_add_epi32(step2[0], step2[3]);
step1[1] = _mm_add_epi32(step2[1], step2[2]);
step1[2] = _mm_sub_epi32(step2[1], step2[2]);
step1[3] = _mm_sub_epi32(step2[0], step2[3]);
step1[4] = step2[4];
temp2[0] = _mm_sub_epi32(step2[6], step2[5]);
extend_64bit(temp2[0], temp1);
step1[5] = multiplication_round_shift(temp1, cp_16q_16q);
temp2[0] = _mm_add_epi32(step2[6], step2[5]);
extend_64bit(temp2[0], temp1);
step1[6] = multiplication_round_shift(temp1, cp_16q_16q);
step1[7] = step2[7];
// stage 4
io[0] = _mm_add_epi32(step1[0], step1[7]);
io[1] = _mm_add_epi32(step1[1], step1[6]);
io[2] = _mm_add_epi32(step1[2], step1[5]);
io[3] = _mm_add_epi32(step1[3], step1[4]);
io[4] = _mm_sub_epi32(step1[3], step1[4]);
io[5] = _mm_sub_epi32(step1[2], step1[5]);
io[6] = _mm_sub_epi32(step1[1], step1[6]);
io[7] = _mm_sub_epi32(step1[0], step1[7]);
}
static void highbd_idct8x8_12_half1d(__m128i *const io) {
const __m128i cp_28q_28q =
_mm_setr_epi32(cospi_28_64 << 2, 0, cospi_28_64 << 2, 0);
const __m128i cp_4q_4q =
_mm_setr_epi32(cospi_4_64 << 2, 0, cospi_4_64 << 2, 0);
const __m128i cp_n20q_n20q =
_mm_setr_epi32(-cospi_20_64 * 4, 0, -cospi_20_64 * 4, 0);
const __m128i cp_12q_12q =
_mm_setr_epi32(cospi_12_64 << 2, 0, cospi_12_64 << 2, 0);
const __m128i cp_16q_16q =
_mm_setr_epi32(cospi_16_64 << 2, 0, cospi_16_64 << 2, 0);
const __m128i cp_8q_8q =
_mm_setr_epi32(cospi_8_64 << 2, 0, cospi_8_64 << 2, 0);
const __m128i cp_24q_24q =
_mm_setr_epi32(cospi_24_64 << 2, 0, cospi_24_64 << 2, 0);
__m128i temp1[4], temp2[4], step1[8], step2[8];
transpose_32bit_4x4(io, io);
// stage 1
step1[0] = io[0];
step1[1] = io[2];
extend_64bit(io[1], temp1);
step1[4] = multiplication_round_shift(temp1, cp_28q_28q);
step1[7] = multiplication_round_shift(temp1, cp_4q_4q);
extend_64bit(io[3], temp1);
step1[5] = multiplication_round_shift(temp1, cp_n20q_n20q);
step1[6] = multiplication_round_shift(temp1, cp_12q_12q);
// stage 2
extend_64bit(step1[0], temp1);
step2[0] = multiplication_round_shift(temp1, cp_16q_16q);
extend_64bit(step1[1], temp1);
step2[2] = multiplication_round_shift(temp1, cp_24q_24q);
step2[3] = multiplication_round_shift(temp1, cp_8q_8q);
step2[4] = _mm_add_epi32(step1[4], step1[5]);
step2[5] = _mm_sub_epi32(step1[4], step1[5]);
step2[6] = _mm_sub_epi32(step1[7], step1[6]);
step2[7] = _mm_add_epi32(step1[7], step1[6]);
// stage 3
step1[0] = _mm_add_epi32(step2[0], step2[3]);
step1[1] = _mm_add_epi32(step2[0], step2[2]);
step1[2] = _mm_sub_epi32(step2[0], step2[2]);
step1[3] = _mm_sub_epi32(step2[0], step2[3]);
step1[4] = step2[4];
temp2[0] = _mm_sub_epi32(step2[6], step2[5]);
extend_64bit(temp2[0], temp1);
step1[5] = multiplication_round_shift(temp1, cp_16q_16q);
temp2[0] = _mm_add_epi32(step2[6], step2[5]);
extend_64bit(temp2[0], temp1);
step1[6] = multiplication_round_shift(temp1, cp_16q_16q);
step1[7] = step2[7];
// stage 4
io[0] = _mm_add_epi32(step1[0], step1[7]);
io[1] = _mm_add_epi32(step1[1], step1[6]);
io[2] = _mm_add_epi32(step1[2], step1[5]);
io[3] = _mm_add_epi32(step1[3], step1[4]);
io[4] = _mm_sub_epi32(step1[3], step1[4]);
io[5] = _mm_sub_epi32(step1[2], step1[5]);
io[6] = _mm_sub_epi32(step1[1], step1[6]);
io[7] = _mm_sub_epi32(step1[0], step1[7]);
}
void vpx_highbd_idct8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride, int bd) {
__m128i io[16];
io[0] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 0));
io[4] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 4));
io[1] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 0));
io[5] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 4));
io[2] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 0));
io[6] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 4));
io[3] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 0));
io[7] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 4));
if (bd == 8) {
__m128i io_short[8];
io_short[0] = _mm_packs_epi32(io[0], io[4]);
io_short[1] = _mm_packs_epi32(io[1], io[5]);
io_short[2] = _mm_packs_epi32(io[2], io[6]);
io_short[3] = _mm_packs_epi32(io[3], io[7]);
io[8] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 0));
io[12] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 4));
io[9] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 0));
io[13] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 4));
io[10] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 0));
io[14] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 4));
io[11] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 0));
io[15] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 4));
io_short[4] = _mm_packs_epi32(io[8], io[12]);
io_short[5] = _mm_packs_epi32(io[9], io[13]);
io_short[6] = _mm_packs_epi32(io[10], io[14]);
io_short[7] = _mm_packs_epi32(io[11], io[15]);
idct8_sse2(io_short);
idct8_sse2(io_short);
round_shift_8x8(io_short, io);
} else {
__m128i temp[4];
highbd_idct8x8_half1d(io);
io[8] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 0));
io[12] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 4));
io[9] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 0));
io[13] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 4));
io[10] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 0));
io[14] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 4));
io[11] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 0));
io[15] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 4));
highbd_idct8x8_half1d(&io[8]);
temp[0] = io[4];
temp[1] = io[5];
temp[2] = io[6];
temp[3] = io[7];
io[4] = io[8];
io[5] = io[9];
io[6] = io[10];
io[7] = io[11];
highbd_idct8x8_half1d(io);
io[8] = temp[0];
io[9] = temp[1];
io[10] = temp[2];
io[11] = temp[3];
highbd_idct8x8_half1d(&io[8]);
io[0] = wraplow_16bit_shift5(io[0], io[8], _mm_set1_epi32(16));
io[1] = wraplow_16bit_shift5(io[1], io[9], _mm_set1_epi32(16));
io[2] = wraplow_16bit_shift5(io[2], io[10], _mm_set1_epi32(16));
io[3] = wraplow_16bit_shift5(io[3], io[11], _mm_set1_epi32(16));
io[4] = wraplow_16bit_shift5(io[4], io[12], _mm_set1_epi32(16));
io[5] = wraplow_16bit_shift5(io[5], io[13], _mm_set1_epi32(16));
io[6] = wraplow_16bit_shift5(io[6], io[14], _mm_set1_epi32(16));
io[7] = wraplow_16bit_shift5(io[7], io[15], _mm_set1_epi32(16));
}
recon_and_store_8(io, dest, stride, bd);
}
void vpx_highbd_idct8x8_12_add_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride, int bd) {
const __m128i zero = _mm_setzero_si128();
__m128i io[16];
io[0] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 0));
io[1] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 0));
io[2] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 0));
io[3] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 0));
if (bd == 8) {
__m128i io_short[8];
io_short[0] = _mm_packs_epi32(io[0], zero);
io_short[1] = _mm_packs_epi32(io[1], zero);
io_short[2] = _mm_packs_epi32(io[2], zero);
io_short[3] = _mm_packs_epi32(io[3], zero);
idct8x8_12_add_kernel_ssse3(io_short);
round_shift_8x8(io_short, io);
} else {
__m128i temp[4];
highbd_idct8x8_12_half1d(io);
temp[0] = io[4];
temp[1] = io[5];
temp[2] = io[6];
temp[3] = io[7];
highbd_idct8x8_12_half1d(io);
io[8] = temp[0];
io[9] = temp[1];
io[10] = temp[2];
io[11] = temp[3];
highbd_idct8x8_12_half1d(&io[8]);
io[0] = wraplow_16bit_shift5(io[0], io[8], _mm_set1_epi32(16));
io[1] = wraplow_16bit_shift5(io[1], io[9], _mm_set1_epi32(16));
io[2] = wraplow_16bit_shift5(io[2], io[10], _mm_set1_epi32(16));
io[3] = wraplow_16bit_shift5(io[3], io[11], _mm_set1_epi32(16));
io[4] = wraplow_16bit_shift5(io[4], io[12], _mm_set1_epi32(16));
io[5] = wraplow_16bit_shift5(io[5], io[13], _mm_set1_epi32(16));
io[6] = wraplow_16bit_shift5(io[6], io[14], _mm_set1_epi32(16));
io[7] = wraplow_16bit_shift5(io[7], io[15], _mm_set1_epi32(16));
}
recon_and_store_8(io, dest, stride, bd);
}