ref: fbfd3fdfb7fa136debada4d4fd65825c80d19db9
dir: /vp9/common/x86/vp9_highbd_iht8x8_add_sse4.c/
/*
* Copyright (c) 2018 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 "./vp9_rtcd.h"
#include "vp9/common/vp9_idct.h"
#include "vpx_dsp/x86/highbd_inv_txfm_sse4.h"
#include "vpx_dsp/x86/inv_txfm_sse2.h"
#include "vpx_dsp/x86/transpose_sse2.h"
#include "vpx_dsp/x86/txfm_common_sse2.h"
static INLINE void highbd_iadst_half_butterfly_sse4_1(const __m128i in,
const int c,
__m128i *const s) {
const __m128i pair_c = pair_set_epi32(4 * c, 0);
__m128i x[2];
extend_64bit(in, x);
s[0] = _mm_mul_epi32(pair_c, x[0]);
s[1] = _mm_mul_epi32(pair_c, x[1]);
}
static INLINE void highbd_iadst_butterfly_sse4_1(const __m128i in0,
const __m128i in1,
const int c0, const int c1,
__m128i *const s0,
__m128i *const s1) {
const __m128i pair_c0 = pair_set_epi32(4 * c0, 0);
const __m128i pair_c1 = pair_set_epi32(4 * c1, 0);
__m128i t00[2], t01[2], t10[2], t11[2];
__m128i x0[2], x1[2];
extend_64bit(in0, x0);
extend_64bit(in1, x1);
t00[0] = _mm_mul_epi32(pair_c0, x0[0]);
t00[1] = _mm_mul_epi32(pair_c0, x0[1]);
t01[0] = _mm_mul_epi32(pair_c0, x1[0]);
t01[1] = _mm_mul_epi32(pair_c0, x1[1]);
t10[0] = _mm_mul_epi32(pair_c1, x0[0]);
t10[1] = _mm_mul_epi32(pair_c1, x0[1]);
t11[0] = _mm_mul_epi32(pair_c1, x1[0]);
t11[1] = _mm_mul_epi32(pair_c1, x1[1]);
s0[0] = _mm_add_epi64(t00[0], t11[0]);
s0[1] = _mm_add_epi64(t00[1], t11[1]);
s1[0] = _mm_sub_epi64(t10[0], t01[0]);
s1[1] = _mm_sub_epi64(t10[1], t01[1]);
}
static void highbd_iadst8_sse4_1(__m128i *const io) {
__m128i s0[2], s1[2], s2[2], s3[2], s4[2], s5[2], s6[2], s7[2];
__m128i x0[2], x1[2], x2[2], x3[2], x4[2], x5[2], x6[2], x7[2];
transpose_32bit_4x4x2(io, io);
// stage 1
highbd_iadst_butterfly_sse4_1(io[7], io[0], cospi_2_64, cospi_30_64, s0, s1);
highbd_iadst_butterfly_sse4_1(io[3], io[4], cospi_18_64, cospi_14_64, s4, s5);
x0[0] = _mm_add_epi64(s0[0], s4[0]);
x0[1] = _mm_add_epi64(s0[1], s4[1]);
x1[0] = _mm_add_epi64(s1[0], s5[0]);
x1[1] = _mm_add_epi64(s1[1], s5[1]);
x4[0] = _mm_sub_epi64(s0[0], s4[0]);
x4[1] = _mm_sub_epi64(s0[1], s4[1]);
x5[0] = _mm_sub_epi64(s1[0], s5[0]);
x5[1] = _mm_sub_epi64(s1[1], s5[1]);
highbd_iadst_butterfly_sse4_1(io[5], io[2], cospi_10_64, cospi_22_64, s2, s3);
highbd_iadst_butterfly_sse4_1(io[1], io[6], cospi_26_64, cospi_6_64, s6, s7);
x2[0] = _mm_add_epi64(s2[0], s6[0]);
x2[1] = _mm_add_epi64(s2[1], s6[1]);
x3[0] = _mm_add_epi64(s3[0], s7[0]);
x3[1] = _mm_add_epi64(s3[1], s7[1]);
x6[0] = _mm_sub_epi64(s2[0], s6[0]);
x6[1] = _mm_sub_epi64(s2[1], s6[1]);
x7[0] = _mm_sub_epi64(s3[0], s7[0]);
x7[1] = _mm_sub_epi64(s3[1], s7[1]);
x0[0] = dct_const_round_shift_64bit(x0[0]);
x0[1] = dct_const_round_shift_64bit(x0[1]);
x1[0] = dct_const_round_shift_64bit(x1[0]);
x1[1] = dct_const_round_shift_64bit(x1[1]);
x2[0] = dct_const_round_shift_64bit(x2[0]);
x2[1] = dct_const_round_shift_64bit(x2[1]);
x3[0] = dct_const_round_shift_64bit(x3[0]);
x3[1] = dct_const_round_shift_64bit(x3[1]);
x4[0] = dct_const_round_shift_64bit(x4[0]);
x4[1] = dct_const_round_shift_64bit(x4[1]);
x5[0] = dct_const_round_shift_64bit(x5[0]);
x5[1] = dct_const_round_shift_64bit(x5[1]);
x6[0] = dct_const_round_shift_64bit(x6[0]);
x6[1] = dct_const_round_shift_64bit(x6[1]);
x7[0] = dct_const_round_shift_64bit(x7[0]);
x7[1] = dct_const_round_shift_64bit(x7[1]);
s0[0] = pack_4(x0[0], x0[1]); // s0 = x0;
s1[0] = pack_4(x1[0], x1[1]); // s1 = x1;
s2[0] = pack_4(x2[0], x2[1]); // s2 = x2;
s3[0] = pack_4(x3[0], x3[1]); // s3 = x3;
x4[0] = pack_4(x4[0], x4[1]);
x5[0] = pack_4(x5[0], x5[1]);
x6[0] = pack_4(x6[0], x6[1]);
x7[0] = pack_4(x7[0], x7[1]);
// stage 2
x0[0] = _mm_add_epi32(s0[0], s2[0]);
x1[0] = _mm_add_epi32(s1[0], s3[0]);
x2[0] = _mm_sub_epi32(s0[0], s2[0]);
x3[0] = _mm_sub_epi32(s1[0], s3[0]);
highbd_iadst_butterfly_sse4_1(x4[0], x5[0], cospi_8_64, cospi_24_64, s4, s5);
highbd_iadst_butterfly_sse4_1(x7[0], x6[0], cospi_24_64, cospi_8_64, s7, s6);
x4[0] = _mm_add_epi64(s4[0], s6[0]);
x4[1] = _mm_add_epi64(s4[1], s6[1]);
x5[0] = _mm_add_epi64(s5[0], s7[0]);
x5[1] = _mm_add_epi64(s5[1], s7[1]);
x6[0] = _mm_sub_epi64(s4[0], s6[0]);
x6[1] = _mm_sub_epi64(s4[1], s6[1]);
x7[0] = _mm_sub_epi64(s5[0], s7[0]);
x7[1] = _mm_sub_epi64(s5[1], s7[1]);
x4[0] = dct_const_round_shift_64bit(x4[0]);
x4[1] = dct_const_round_shift_64bit(x4[1]);
x5[0] = dct_const_round_shift_64bit(x5[0]);
x5[1] = dct_const_round_shift_64bit(x5[1]);
x6[0] = dct_const_round_shift_64bit(x6[0]);
x6[1] = dct_const_round_shift_64bit(x6[1]);
x7[0] = dct_const_round_shift_64bit(x7[0]);
x7[1] = dct_const_round_shift_64bit(x7[1]);
x4[0] = pack_4(x4[0], x4[1]);
x5[0] = pack_4(x5[0], x5[1]);
x6[0] = pack_4(x6[0], x6[1]);
x7[0] = pack_4(x7[0], x7[1]);
// stage 3
s2[0] = _mm_add_epi32(x2[0], x3[0]);
s3[0] = _mm_sub_epi32(x2[0], x3[0]);
s6[0] = _mm_add_epi32(x6[0], x7[0]);
s7[0] = _mm_sub_epi32(x6[0], x7[0]);
highbd_iadst_half_butterfly_sse4_1(s2[0], cospi_16_64, s2);
highbd_iadst_half_butterfly_sse4_1(s3[0], cospi_16_64, s3);
highbd_iadst_half_butterfly_sse4_1(s6[0], cospi_16_64, s6);
highbd_iadst_half_butterfly_sse4_1(s7[0], cospi_16_64, s7);
x2[0] = dct_const_round_shift_64bit(s2[0]);
x2[1] = dct_const_round_shift_64bit(s2[1]);
x3[0] = dct_const_round_shift_64bit(s3[0]);
x3[1] = dct_const_round_shift_64bit(s3[1]);
x6[0] = dct_const_round_shift_64bit(s6[0]);
x6[1] = dct_const_round_shift_64bit(s6[1]);
x7[0] = dct_const_round_shift_64bit(s7[0]);
x7[1] = dct_const_round_shift_64bit(s7[1]);
x2[0] = pack_4(x2[0], x2[1]);
x3[0] = pack_4(x3[0], x3[1]);
x6[0] = pack_4(x6[0], x6[1]);
x7[0] = pack_4(x7[0], x7[1]);
io[0] = x0[0];
io[1] = _mm_sub_epi32(_mm_setzero_si128(), x4[0]);
io[2] = x6[0];
io[3] = _mm_sub_epi32(_mm_setzero_si128(), x2[0]);
io[4] = x3[0];
io[5] = _mm_sub_epi32(_mm_setzero_si128(), x7[0]);
io[6] = x5[0];
io[7] = _mm_sub_epi32(_mm_setzero_si128(), x1[0]);
}
void vp9_highbd_iht8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride, int tx_type, 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));
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));
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_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]);
if (tx_type == DCT_DCT || tx_type == ADST_DCT) {
vpx_idct8_sse2(io_short);
} else {
iadst8_sse2(io_short);
}
if (tx_type == DCT_DCT || tx_type == DCT_ADST) {
vpx_idct8_sse2(io_short);
} else {
iadst8_sse2(io_short);
}
round_shift_8x8(io_short, io);
} else {
__m128i temp[4];
if (tx_type == DCT_DCT || tx_type == ADST_DCT) {
vpx_highbd_idct8x8_half1d_sse4_1(io);
vpx_highbd_idct8x8_half1d_sse4_1(&io[8]);
} else {
highbd_iadst8_sse4_1(io);
highbd_iadst8_sse4_1(&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];
if (tx_type == DCT_DCT || tx_type == DCT_ADST) {
vpx_highbd_idct8x8_half1d_sse4_1(io);
io[8] = temp[0];
io[9] = temp[1];
io[10] = temp[2];
io[11] = temp[3];
vpx_highbd_idct8x8_half1d_sse4_1(&io[8]);
} else {
highbd_iadst8_sse4_1(io);
io[8] = temp[0];
io[9] = temp[1];
io[10] = temp[2];
io[11] = temp[3];
highbd_iadst8_sse4_1(&io[8]);
}
highbd_idct8x8_final_round(io);
}
recon_and_store_8x8(io, dest, stride, bd);
}