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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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
* aomedia.org/license/patent-license/.
*/
#include <assert.h>
#include <smmintrin.h> /* SSE4.1 */
#include "config/aom_config.h"
#include "config/av1_rtcd.h"
#include "av1/common/av1_inv_txfm1d_cfg.h"
#include "av1/common/idct.h"
#include "av1/common/x86/av1_inv_txfm_ssse3.h"
#include "av1/common/x86/av1_txfm_sse2.h"
#include "av1/common/x86/av1_txfm_sse4.h"
#include "av1/common/x86/highbd_txfm_utility_sse4.h"
static INLINE __m128i highbd_clamp_epi16(__m128i u, int bd) {
const __m128i zero = _mm_setzero_si128();
const __m128i one = _mm_set1_epi16(1);
const __m128i max = _mm_sub_epi16(_mm_slli_epi16(one, bd), one);
__m128i clamped, mask;
mask = _mm_cmpgt_epi16(u, max);
clamped = _mm_andnot_si128(mask, u);
mask = _mm_and_si128(mask, max);
clamped = _mm_or_si128(mask, clamped);
mask = _mm_cmpgt_epi16(clamped, zero);
clamped = _mm_and_si128(clamped, mask);
return clamped;
}
static INLINE void round_shift_4x4(__m128i *in, int shift) {
if (shift != 0) {
__m128i rnding = _mm_set1_epi32(1 << (shift - 1));
in[0] = _mm_add_epi32(in[0], rnding);
in[1] = _mm_add_epi32(in[1], rnding);
in[2] = _mm_add_epi32(in[2], rnding);
in[3] = _mm_add_epi32(in[3], rnding);
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);
}
}
static void round_shift_8x8(__m128i *in, int shift) {
round_shift_4x4(&in[0], shift);
round_shift_4x4(&in[4], shift);
round_shift_4x4(&in[8], shift);
round_shift_4x4(&in[12], shift);
}
static void highbd_clamp_epi32_sse4_1(__m128i *in, __m128i *out,
const __m128i *clamp_lo,
const __m128i *clamp_hi, int size) {
__m128i a0, a1;
for (int i = 0; i < size; i += 4) {
a0 = _mm_max_epi32(in[i], *clamp_lo);
out[i] = _mm_min_epi32(a0, *clamp_hi);
a1 = _mm_max_epi32(in[i + 1], *clamp_lo);
out[i + 1] = _mm_min_epi32(a1, *clamp_hi);
a0 = _mm_max_epi32(in[i + 2], *clamp_lo);
out[i + 2] = _mm_min_epi32(a0, *clamp_hi);
a1 = _mm_max_epi32(in[i + 3], *clamp_lo);
out[i + 3] = _mm_min_epi32(a1, *clamp_hi);
}
}
static INLINE __m128i highbd_get_recon_8x8_sse4_1(const __m128i pred,
__m128i res0, __m128i res1,
const int bd) {
__m128i x0 = _mm_cvtepi16_epi32(pred);
__m128i x1 = _mm_cvtepi16_epi32(_mm_srli_si128(pred, 8));
__m128i min_clip_val = _mm_setzero_si128();
__m128i max_clip_val = _mm_set1_epi32((1 << bd) - 1);
x0 = _mm_add_epi32(res0, x0);
x1 = _mm_add_epi32(res1, x1);
x0 = _mm_max_epi32(x0, min_clip_val);
x0 = _mm_min_epi32(x0, max_clip_val);
x1 = _mm_max_epi32(x1, min_clip_val);
x1 = _mm_min_epi32(x1, max_clip_val);
x0 = _mm_packus_epi32(x0, x1);
return x0;
}
static INLINE __m128i highbd_get_recon_4xn_sse4_1(const __m128i pred,
__m128i res0, const int bd) {
__m128i x0 = _mm_cvtepi16_epi32(pred);
x0 = _mm_add_epi32(res0, x0);
x0 = _mm_packus_epi32(x0, x0);
x0 = highbd_clamp_epi16(x0, bd);
return x0;
}
static INLINE void highbd_write_buffer_4xn_sse4_1(__m128i *in, uint16_t *output,
int stride, int flipud,
int height, const int bd) {
int j = flipud ? (height - 1) : 0;
const int step = flipud ? -1 : 1;
for (int i = 0; i < height; ++i, j += step) {
__m128i v = _mm_loadl_epi64((__m128i const *)(output + i * stride));
__m128i u = highbd_get_recon_4xn_sse4_1(v, in[j], bd);
_mm_storel_epi64((__m128i *)(output + i * stride), u);
}
}
static INLINE void highbd_write_buffer_8xn_sse4_1(__m128i *in, uint16_t *output,
int stride, int flipud,
int height, const int bd) {
int j = flipud ? (height - 1) : 0;
const int step = flipud ? -1 : 1;
for (int i = 0; i < height; ++i, j += step) {
__m128i v = _mm_loadu_si128((__m128i const *)(output + i * stride));
__m128i u = highbd_get_recon_8x8_sse4_1(v, in[j], in[j + height], bd);
_mm_storeu_si128((__m128i *)(output + i * stride), u);
}
}
static INLINE void load_buffer_32bit_input(const int32_t *in, int stride,
__m128i *out, int out_size) {
for (int i = 0; i < out_size; ++i) {
out[i] = _mm_loadu_si128((const __m128i *)(in + i * stride));
}
}
static INLINE void load_buffer_4x4(const int32_t *coeff, __m128i *in) {
in[0] = _mm_load_si128((const __m128i *)(coeff + 0));
in[1] = _mm_load_si128((const __m128i *)(coeff + 4));
in[2] = _mm_load_si128((const __m128i *)(coeff + 8));
in[3] = _mm_load_si128((const __m128i *)(coeff + 12));
}
static void addsub_sse4_1(const __m128i in0, const __m128i in1, __m128i *out0,
__m128i *out1, const __m128i *clamp_lo,
const __m128i *clamp_hi) {
__m128i a0 = _mm_add_epi32(in0, in1);
__m128i a1 = _mm_sub_epi32(in0, in1);
a0 = _mm_max_epi32(a0, *clamp_lo);
a0 = _mm_min_epi32(a0, *clamp_hi);
a1 = _mm_max_epi32(a1, *clamp_lo);
a1 = _mm_min_epi32(a1, *clamp_hi);
*out0 = a0;
*out1 = a1;
}
static void shift_and_clamp_sse4_1(__m128i *in0, __m128i *in1,
const __m128i *clamp_lo,
const __m128i *clamp_hi, int shift) {
__m128i offset = _mm_set1_epi32((1 << shift) >> 1);
__m128i in0_w_offset = _mm_add_epi32(*in0, offset);
__m128i in1_w_offset = _mm_add_epi32(*in1, offset);
in0_w_offset = _mm_sra_epi32(in0_w_offset, _mm_cvtsi32_si128(shift));
in1_w_offset = _mm_sra_epi32(in1_w_offset, _mm_cvtsi32_si128(shift));
in0_w_offset = _mm_max_epi32(in0_w_offset, *clamp_lo);
in0_w_offset = _mm_min_epi32(in0_w_offset, *clamp_hi);
in1_w_offset = _mm_max_epi32(in1_w_offset, *clamp_lo);
in1_w_offset = _mm_min_epi32(in1_w_offset, *clamp_hi);
*in0 = in0_w_offset;
*in1 = in1_w_offset;
}
static INLINE void idct32_stage4_sse4_1(
__m128i *bf1, const __m128i *cospim8, const __m128i *cospi56,
const __m128i *cospi8, const __m128i *cospim56, const __m128i *cospim40,
const __m128i *cospi24, const __m128i *cospi40, const __m128i *cospim24,
const __m128i *rounding, int bit) {
__m128i temp1, temp2;
temp1 = half_btf_sse4_1(cospim8, &bf1[17], cospi56, &bf1[30], rounding, bit);
bf1[30] = half_btf_sse4_1(cospi56, &bf1[17], cospi8, &bf1[30], rounding, bit);
bf1[17] = temp1;
temp2 = half_btf_sse4_1(cospim56, &bf1[18], cospim8, &bf1[29], rounding, bit);
bf1[29] =
half_btf_sse4_1(cospim8, &bf1[18], cospi56, &bf1[29], rounding, bit);
bf1[18] = temp2;
temp1 = half_btf_sse4_1(cospim40, &bf1[21], cospi24, &bf1[26], rounding, bit);
bf1[26] =
half_btf_sse4_1(cospi24, &bf1[21], cospi40, &bf1[26], rounding, bit);
bf1[21] = temp1;
temp2 =
half_btf_sse4_1(cospim24, &bf1[22], cospim40, &bf1[25], rounding, bit);
bf1[25] =
half_btf_sse4_1(cospim40, &bf1[22], cospi24, &bf1[25], rounding, bit);
bf1[22] = temp2;
}
static INLINE void idct32_stage5_sse4_1(
__m128i *bf1, const __m128i *cospim16, const __m128i *cospi48,
const __m128i *cospi16, const __m128i *cospim48, const __m128i *clamp_lo,
const __m128i *clamp_hi, const __m128i *rounding, int bit) {
__m128i temp1, temp2;
temp1 = half_btf_sse4_1(cospim16, &bf1[9], cospi48, &bf1[14], rounding, bit);
bf1[14] = half_btf_sse4_1(cospi48, &bf1[9], cospi16, &bf1[14], rounding, bit);
bf1[9] = temp1;
temp2 =
half_btf_sse4_1(cospim48, &bf1[10], cospim16, &bf1[13], rounding, bit);
bf1[13] =
half_btf_sse4_1(cospim16, &bf1[10], cospi48, &bf1[13], rounding, bit);
bf1[10] = temp2;
addsub_sse4_1(bf1[16], bf1[19], bf1 + 16, bf1 + 19, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[17], bf1[18], bf1 + 17, bf1 + 18, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[23], bf1[20], bf1 + 23, bf1 + 20, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[22], bf1[21], bf1 + 22, bf1 + 21, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[24], bf1[27], bf1 + 24, bf1 + 27, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[25], bf1[26], bf1 + 25, bf1 + 26, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[31], bf1[28], bf1 + 31, bf1 + 28, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[30], bf1[29], bf1 + 30, bf1 + 29, clamp_lo, clamp_hi);
}
static INLINE void idct32_stage6_sse4_1(
__m128i *bf1, const __m128i *cospim32, const __m128i *cospi32,
const __m128i *cospim16, const __m128i *cospi48, const __m128i *cospi16,
const __m128i *cospim48, const __m128i *clamp_lo, const __m128i *clamp_hi,
const __m128i *rounding, int bit) {
__m128i temp1, temp2;
temp1 = half_btf_sse4_1(cospim32, &bf1[5], cospi32, &bf1[6], rounding, bit);
bf1[6] = half_btf_sse4_1(cospi32, &bf1[5], cospi32, &bf1[6], rounding, bit);
bf1[5] = temp1;
addsub_sse4_1(bf1[8], bf1[11], bf1 + 8, bf1 + 11, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[9], bf1[10], bf1 + 9, bf1 + 10, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[15], bf1[12], bf1 + 15, bf1 + 12, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[14], bf1[13], bf1 + 14, bf1 + 13, clamp_lo, clamp_hi);
temp1 = half_btf_sse4_1(cospim16, &bf1[18], cospi48, &bf1[29], rounding, bit);
bf1[29] =
half_btf_sse4_1(cospi48, &bf1[18], cospi16, &bf1[29], rounding, bit);
bf1[18] = temp1;
temp2 = half_btf_sse4_1(cospim16, &bf1[19], cospi48, &bf1[28], rounding, bit);
bf1[28] =
half_btf_sse4_1(cospi48, &bf1[19], cospi16, &bf1[28], rounding, bit);
bf1[19] = temp2;
temp1 =
half_btf_sse4_1(cospim48, &bf1[20], cospim16, &bf1[27], rounding, bit);
bf1[27] =
half_btf_sse4_1(cospim16, &bf1[20], cospi48, &bf1[27], rounding, bit);
bf1[20] = temp1;
temp2 =
half_btf_sse4_1(cospim48, &bf1[21], cospim16, &bf1[26], rounding, bit);
bf1[26] =
half_btf_sse4_1(cospim16, &bf1[21], cospi48, &bf1[26], rounding, bit);
bf1[21] = temp2;
}
static INLINE void idct32_stage7_sse4_1(__m128i *bf1, const __m128i *cospim32,
const __m128i *cospi32,
const __m128i *clamp_lo,
const __m128i *clamp_hi,
const __m128i *rounding, int bit) {
__m128i temp1, temp2;
addsub_sse4_1(bf1[0], bf1[7], bf1 + 0, bf1 + 7, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[1], bf1[6], bf1 + 1, bf1 + 6, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[2], bf1[5], bf1 + 2, bf1 + 5, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[3], bf1[4], bf1 + 3, bf1 + 4, clamp_lo, clamp_hi);
temp1 = half_btf_sse4_1(cospim32, &bf1[10], cospi32, &bf1[13], rounding, bit);
bf1[13] =
half_btf_sse4_1(cospi32, &bf1[10], cospi32, &bf1[13], rounding, bit);
bf1[10] = temp1;
temp2 = half_btf_sse4_1(cospim32, &bf1[11], cospi32, &bf1[12], rounding, bit);
bf1[12] =
half_btf_sse4_1(cospi32, &bf1[11], cospi32, &bf1[12], rounding, bit);
bf1[11] = temp2;
addsub_sse4_1(bf1[16], bf1[23], bf1 + 16, bf1 + 23, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[17], bf1[22], bf1 + 17, bf1 + 22, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[18], bf1[21], bf1 + 18, bf1 + 21, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[19], bf1[20], bf1 + 19, bf1 + 20, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[31], bf1[24], bf1 + 31, bf1 + 24, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[30], bf1[25], bf1 + 30, bf1 + 25, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[29], bf1[26], bf1 + 29, bf1 + 26, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[28], bf1[27], bf1 + 28, bf1 + 27, clamp_lo, clamp_hi);
}
static INLINE void idct32_stage8_sse4_1(__m128i *bf1, const __m128i *cospim32,
const __m128i *cospi32,
const __m128i *clamp_lo,
const __m128i *clamp_hi,
const __m128i *rounding, int bit) {
__m128i temp1, temp2;
addsub_sse4_1(bf1[0], bf1[15], bf1 + 0, bf1 + 15, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[1], bf1[14], bf1 + 1, bf1 + 14, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[2], bf1[13], bf1 + 2, bf1 + 13, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[3], bf1[12], bf1 + 3, bf1 + 12, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[4], bf1[11], bf1 + 4, bf1 + 11, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[5], bf1[10], bf1 + 5, bf1 + 10, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[6], bf1[9], bf1 + 6, bf1 + 9, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[7], bf1[8], bf1 + 7, bf1 + 8, clamp_lo, clamp_hi);
temp1 = half_btf_sse4_1(cospim32, &bf1[20], cospi32, &bf1[27], rounding, bit);
bf1[27] =
half_btf_sse4_1(cospi32, &bf1[20], cospi32, &bf1[27], rounding, bit);
bf1[20] = temp1;
temp2 = half_btf_sse4_1(cospim32, &bf1[21], cospi32, &bf1[26], rounding, bit);
bf1[26] =
half_btf_sse4_1(cospi32, &bf1[21], cospi32, &bf1[26], rounding, bit);
bf1[21] = temp2;
temp1 = half_btf_sse4_1(cospim32, &bf1[22], cospi32, &bf1[25], rounding, bit);
bf1[25] =
half_btf_sse4_1(cospi32, &bf1[22], cospi32, &bf1[25], rounding, bit);
bf1[22] = temp1;
temp2 = half_btf_sse4_1(cospim32, &bf1[23], cospi32, &bf1[24], rounding, bit);
bf1[24] =
half_btf_sse4_1(cospi32, &bf1[23], cospi32, &bf1[24], rounding, bit);
bf1[23] = temp2;
}
static INLINE void idct32_stage9_sse4_1(__m128i *bf1, __m128i *out,
const int do_cols, const int bd,
const int out_shift,
const __m128i *clamp_lo,
const __m128i *clamp_hi) {
addsub_sse4_1(bf1[0], bf1[31], out + 0, out + 31, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[1], bf1[30], out + 1, out + 30, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[2], bf1[29], out + 2, out + 29, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[3], bf1[28], out + 3, out + 28, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[4], bf1[27], out + 4, out + 27, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[5], bf1[26], out + 5, out + 26, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[6], bf1[25], out + 6, out + 25, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[7], bf1[24], out + 7, out + 24, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[8], bf1[23], out + 8, out + 23, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[9], bf1[22], out + 9, out + 22, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[10], bf1[21], out + 10, out + 21, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[11], bf1[20], out + 11, out + 20, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[12], bf1[19], out + 12, out + 19, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[13], bf1[18], out + 13, out + 18, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[14], bf1[17], out + 14, out + 17, clamp_lo, clamp_hi);
addsub_sse4_1(bf1[15], bf1[16], out + 15, out + 16, clamp_lo, clamp_hi);
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
for (int i = 0; i < 32; i += 8) {
round_shift_4x4(out + i, out_shift);
round_shift_4x4(out + i + 4, out_shift);
}
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo_out, &clamp_hi_out, 32);
}
}
static void neg_shift_sse4_1(const __m128i in0, const __m128i in1,
__m128i *out0, __m128i *out1,
const __m128i *clamp_lo, const __m128i *clamp_hi,
int shift) {
__m128i offset = _mm_set1_epi32((1 << shift) >> 1);
__m128i a0 = _mm_add_epi32(offset, in0);
__m128i a1 = _mm_sub_epi32(offset, in1);
a0 = _mm_sra_epi32(a0, _mm_cvtsi32_si128(shift));
a1 = _mm_sra_epi32(a1, _mm_cvtsi32_si128(shift));
a0 = _mm_max_epi32(a0, *clamp_lo);
a0 = _mm_min_epi32(a0, *clamp_hi);
a1 = _mm_max_epi32(a1, *clamp_lo);
a1 = _mm_min_epi32(a1, *clamp_hi);
*out0 = a0;
*out1 = a1;
}
static void idct4x4_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
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 cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
__m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
__m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i u0, u1, u2, u3;
__m128i v0, v1, v2, v3, x, y;
// Stage 0
// Stage 1
// Stage 2
v0 = _mm_unpacklo_epi32(in[0], in[1]);
v1 = _mm_unpackhi_epi32(in[0], in[1]);
v2 = _mm_unpacklo_epi32(in[2], in[3]);
v3 = _mm_unpackhi_epi32(in[2], in[3]);
u0 = _mm_unpacklo_epi64(v0, v2);
u1 = _mm_unpackhi_epi64(v0, v2);
u2 = _mm_unpacklo_epi64(v1, v3);
u3 = _mm_unpackhi_epi64(v1, v3);
x = _mm_mullo_epi32(u0, cospi32);
y = _mm_mullo_epi32(u2, cospi32);
v0 = _mm_add_epi32(x, y);
v0 = _mm_add_epi32(v0, rnding);
v0 = _mm_srai_epi32(v0, bit);
v1 = _mm_sub_epi32(x, y);
v1 = _mm_add_epi32(v1, rnding);
v1 = _mm_srai_epi32(v1, bit);
x = _mm_mullo_epi32(u1, cospi48);
y = _mm_mullo_epi32(u3, cospim16);
v2 = _mm_add_epi32(x, y);
v2 = _mm_add_epi32(v2, rnding);
v2 = _mm_srai_epi32(v2, bit);
x = _mm_mullo_epi32(u1, cospi16);
y = _mm_mullo_epi32(u3, cospi48);
v3 = _mm_add_epi32(x, y);
v3 = _mm_add_epi32(v3, rnding);
v3 = _mm_srai_epi32(v3, bit);
// Stage 3
addsub_sse4_1(v0, v3, out + 0, out + 3, &clamp_lo, &clamp_hi);
addsub_sse4_1(v1, v2, out + 1, out + 2, &clamp_lo, &clamp_hi);
if (!do_cols) {
log_range = AOMMAX(16, bd + 6);
clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
shift_and_clamp_sse4_1(out + 0, out + 3, &clamp_lo, &clamp_hi, out_shift);
shift_and_clamp_sse4_1(out + 1, out + 2, &clamp_lo, &clamp_hi, out_shift);
}
}
static void iadst4x4_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *sinpi = sinpi_arr(bit);
const __m128i zero = _mm_set1_epi32(0);
__m128i rnding = _mm_set1_epi32(1 << (bit + 4 - 1));
rnding = _mm_unpacklo_epi32(rnding, zero);
const __m128i mul = _mm_set1_epi32(1 << 4);
const __m128i sinpi1 = _mm_set1_epi32((int)sinpi[1]);
const __m128i sinpi2 = _mm_set1_epi32((int)sinpi[2]);
const __m128i sinpi3 = _mm_set1_epi32((int)sinpi[3]);
const __m128i sinpi4 = _mm_set1_epi32((int)sinpi[4]);
__m128i t;
__m128i s0, s1, s2, s3, s4, s5, s6, s7;
__m128i x0, x1, x2, x3;
__m128i u0, u1, u2, u3;
__m128i v0, v1, v2, v3;
__m128i u0_low, u1_low, u2_low, u3_low;
__m128i u0_high, u1_high, u2_high, u3_high;
v0 = _mm_unpacklo_epi32(in[0], in[1]);
v1 = _mm_unpackhi_epi32(in[0], in[1]);
v2 = _mm_unpacklo_epi32(in[2], in[3]);
v3 = _mm_unpackhi_epi32(in[2], in[3]);
x0 = _mm_unpacklo_epi64(v0, v2);
x1 = _mm_unpackhi_epi64(v0, v2);
x2 = _mm_unpacklo_epi64(v1, v3);
x3 = _mm_unpackhi_epi64(v1, v3);
s0 = _mm_mullo_epi32(x0, sinpi1);
s1 = _mm_mullo_epi32(x0, sinpi2);
s2 = _mm_mullo_epi32(x1, sinpi3);
s3 = _mm_mullo_epi32(x2, sinpi4);
s4 = _mm_mullo_epi32(x2, sinpi1);
s5 = _mm_mullo_epi32(x3, sinpi2);
s6 = _mm_mullo_epi32(x3, sinpi4);
t = _mm_sub_epi32(x0, x2);
s7 = _mm_add_epi32(t, x3);
t = _mm_add_epi32(s0, s3);
s0 = _mm_add_epi32(t, s5);
t = _mm_sub_epi32(s1, s4);
s1 = _mm_sub_epi32(t, s6);
s3 = s2;
s2 = _mm_mullo_epi32(s7, sinpi3);
u0 = _mm_add_epi32(s0, s3);
u1 = _mm_add_epi32(s1, s3);
u2 = s2;
t = _mm_add_epi32(s0, s1);
u3 = _mm_sub_epi32(t, s3);
// u0
u0_low = _mm_mul_epi32(u0, mul);
u0_low = _mm_add_epi64(u0_low, rnding);
u0 = _mm_srli_si128(u0, 4);
u0_high = _mm_mul_epi32(u0, mul);
u0_high = _mm_add_epi64(u0_high, rnding);
u0_low = _mm_srli_si128(u0_low, 2);
u0_high = _mm_srli_si128(u0_high, 2);
u0 = _mm_unpacklo_epi32(u0_low, u0_high);
u0_high = _mm_unpackhi_epi32(u0_low, u0_high);
u0 = _mm_unpacklo_epi64(u0, u0_high);
// u1
u1_low = _mm_mul_epi32(u1, mul);
u1_low = _mm_add_epi64(u1_low, rnding);
u1 = _mm_srli_si128(u1, 4);
u1_high = _mm_mul_epi32(u1, mul);
u1_high = _mm_add_epi64(u1_high, rnding);
u1_low = _mm_srli_si128(u1_low, 2);
u1_high = _mm_srli_si128(u1_high, 2);
u1 = _mm_unpacklo_epi32(u1_low, u1_high);
u1_high = _mm_unpackhi_epi32(u1_low, u1_high);
u1 = _mm_unpacklo_epi64(u1, u1_high);
// u2
u2_low = _mm_mul_epi32(u2, mul);
u2_low = _mm_add_epi64(u2_low, rnding);
u2 = _mm_srli_si128(u2, 4);
u2_high = _mm_mul_epi32(u2, mul);
u2_high = _mm_add_epi64(u2_high, rnding);
u2_low = _mm_srli_si128(u2_low, 2);
u2_high = _mm_srli_si128(u2_high, 2);
u2 = _mm_unpacklo_epi32(u2_low, u2_high);
u2_high = _mm_unpackhi_epi32(u2_low, u2_high);
u2 = _mm_unpacklo_epi64(u2, u2_high);
// u3
u3_low = _mm_mul_epi32(u3, mul);
u3_low = _mm_add_epi64(u3_low, rnding);
u3 = _mm_srli_si128(u3, 4);
u3_high = _mm_mul_epi32(u3, mul);
u3_high = _mm_add_epi64(u3_high, rnding);
u3_low = _mm_srli_si128(u3_low, 2);
u3_high = _mm_srli_si128(u3_high, 2);
u3 = _mm_unpacklo_epi32(u3_low, u3_high);
u3_high = _mm_unpackhi_epi32(u3_low, u3_high);
u3 = _mm_unpacklo_epi64(u3, u3_high);
out[0] = u0;
out[1] = u1;
out[2] = u2;
out[3] = u3;
if (!do_cols) {
const int log_range = AOMMAX(16, bd + 6);
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
round_shift_4x4(out, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo, &clamp_hi, 4);
}
}
static void write_buffer_4x4(__m128i *in, uint16_t *output, int stride,
int fliplr, int flipud, int shift, int bd) {
const __m128i zero = _mm_setzero_si128();
__m128i u0, u1, u2, u3;
__m128i v0, v1, v2, v3;
round_shift_4x4(in, shift);
v0 = _mm_loadl_epi64((__m128i const *)(output + 0 * stride));
v1 = _mm_loadl_epi64((__m128i const *)(output + 1 * stride));
v2 = _mm_loadl_epi64((__m128i const *)(output + 2 * stride));
v3 = _mm_loadl_epi64((__m128i const *)(output + 3 * stride));
v0 = _mm_unpacklo_epi16(v0, zero);
v1 = _mm_unpacklo_epi16(v1, zero);
v2 = _mm_unpacklo_epi16(v2, zero);
v3 = _mm_unpacklo_epi16(v3, zero);
if (fliplr) {
in[0] = _mm_shuffle_epi32(in[0], 0x1B);
in[1] = _mm_shuffle_epi32(in[1], 0x1B);
in[2] = _mm_shuffle_epi32(in[2], 0x1B);
in[3] = _mm_shuffle_epi32(in[3], 0x1B);
}
if (flipud) {
u0 = _mm_add_epi32(in[3], v0);
u1 = _mm_add_epi32(in[2], v1);
u2 = _mm_add_epi32(in[1], v2);
u3 = _mm_add_epi32(in[0], v3);
} else {
u0 = _mm_add_epi32(in[0], v0);
u1 = _mm_add_epi32(in[1], v1);
u2 = _mm_add_epi32(in[2], v2);
u3 = _mm_add_epi32(in[3], v3);
}
v0 = _mm_packus_epi32(u0, u1);
v2 = _mm_packus_epi32(u2, u3);
u0 = highbd_clamp_epi16(v0, bd);
u2 = highbd_clamp_epi16(v2, bd);
v0 = _mm_unpacklo_epi64(u0, u0);
v1 = _mm_unpackhi_epi64(u0, u0);
v2 = _mm_unpacklo_epi64(u2, u2);
v3 = _mm_unpackhi_epi64(u2, u2);
_mm_storel_epi64((__m128i *)(output + 0 * stride), v0);
_mm_storel_epi64((__m128i *)(output + 1 * stride), v1);
_mm_storel_epi64((__m128i *)(output + 2 * stride), v2);
_mm_storel_epi64((__m128i *)(output + 3 * stride), v3);
}
static void iidentity4_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
(void)bit;
__m128i v[4];
__m128i zero = _mm_set1_epi32(0);
__m128i fact = _mm_set1_epi32(NewSqrt2);
__m128i offset = _mm_set1_epi32(1 << (NewSqrt2Bits - 1));
__m128i a0_low, a1_low;
__m128i a0_high, a1_high;
offset = _mm_unpacklo_epi32(offset, zero);
for (int i = 0; i < 4; i++) {
a0_low = _mm_mul_epi32(in[i], fact);
a0_low = _mm_add_epi32(a0_low, offset);
a0_low = _mm_srli_epi64(a0_low, NewSqrt2Bits);
a0_high = _mm_srli_si128(in[i], 4);
a0_high = _mm_mul_epi32(a0_high, fact);
a0_high = _mm_add_epi32(a0_high, offset);
a0_high = _mm_srli_epi64(a0_high, NewSqrt2Bits);
a1_low = _mm_unpacklo_epi32(a0_low, a0_high);
a1_high = _mm_unpackhi_epi32(a0_low, a0_high);
out[i] = _mm_unpacklo_epi64(a1_low, a1_high);
}
if (!do_cols) {
const int log_range = AOMMAX(16, bd + 6);
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
round_shift_4x4(out, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo, &clamp_hi, 4);
}
// Transpose for 4x4
v[0] = _mm_unpacklo_epi32(out[0], out[1]);
v[1] = _mm_unpackhi_epi32(out[0], out[1]);
v[2] = _mm_unpacklo_epi32(out[2], out[3]);
v[3] = _mm_unpackhi_epi32(out[2], out[3]);
out[0] = _mm_unpacklo_epi64(v[0], v[2]);
out[1] = _mm_unpackhi_epi64(v[0], v[2]);
out[2] = _mm_unpacklo_epi64(v[1], v[3]);
out[3] = _mm_unpackhi_epi64(v[1], v[3]);
}
void av1_inv_txfm2d_add_4x4_sse4_1(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, int bd) {
__m128i in[4];
const int8_t *shift = av1_inv_txfm_shift_ls[TX_4X4];
const int txw_idx = get_txw_idx(TX_4X4);
const int txh_idx = get_txh_idx(TX_4X4);
switch (tx_type) {
case DCT_DCT:
load_buffer_4x4(input, in);
idct4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
idct4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case ADST_DCT:
load_buffer_4x4(input, in);
idct4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case DCT_ADST:
load_buffer_4x4(input, in);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
idct4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case ADST_ADST:
load_buffer_4x4(input, in);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case FLIPADST_DCT:
load_buffer_4x4(input, in);
idct4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 1, -shift[1], bd);
break;
case DCT_FLIPADST:
load_buffer_4x4(input, in);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
idct4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 1, 0, -shift[1], bd);
break;
case FLIPADST_FLIPADST:
load_buffer_4x4(input, in);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 1, 1, -shift[1], bd);
break;
case ADST_FLIPADST:
load_buffer_4x4(input, in);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 1, 0, -shift[1], bd);
break;
case FLIPADST_ADST:
load_buffer_4x4(input, in);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 1, -shift[1], bd);
break;
case IDTX:
load_buffer_4x4(input, in);
iidentity4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
0);
iidentity4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd,
0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case V_DCT:
load_buffer_4x4(input, in);
iidentity4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
0);
idct4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case H_DCT:
load_buffer_4x4(input, in);
idct4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iidentity4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd,
0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case V_ADST:
load_buffer_4x4(input, in);
iidentity4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
0);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case H_ADST:
load_buffer_4x4(input, in);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iidentity4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd,
0);
write_buffer_4x4(in, output, stride, 0, 0, -shift[1], bd);
break;
case V_FLIPADST:
load_buffer_4x4(input, in);
iidentity4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
0);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_4x4(in, output, stride, 0, 1, -shift[1], bd);
break;
case H_FLIPADST:
load_buffer_4x4(input, in);
iadst4x4_sse4_1(in, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, 0);
iidentity4_sse4_1(in, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd,
0);
write_buffer_4x4(in, output, stride, 1, 0, -shift[1], bd);
break;
default: assert(0);
}
}
// 8x8
static void load_buffer_8x8(const int32_t *coeff, __m128i *in) {
in[0] = _mm_load_si128((const __m128i *)(coeff + 0));
in[1] = _mm_load_si128((const __m128i *)(coeff + 4));
in[2] = _mm_load_si128((const __m128i *)(coeff + 8));
in[3] = _mm_load_si128((const __m128i *)(coeff + 12));
in[4] = _mm_load_si128((const __m128i *)(coeff + 16));
in[5] = _mm_load_si128((const __m128i *)(coeff + 20));
in[6] = _mm_load_si128((const __m128i *)(coeff + 24));
in[7] = _mm_load_si128((const __m128i *)(coeff + 28));
in[8] = _mm_load_si128((const __m128i *)(coeff + 32));
in[9] = _mm_load_si128((const __m128i *)(coeff + 36));
in[10] = _mm_load_si128((const __m128i *)(coeff + 40));
in[11] = _mm_load_si128((const __m128i *)(coeff + 44));
in[12] = _mm_load_si128((const __m128i *)(coeff + 48));
in[13] = _mm_load_si128((const __m128i *)(coeff + 52));
in[14] = _mm_load_si128((const __m128i *)(coeff + 56));
in[15] = _mm_load_si128((const __m128i *)(coeff + 60));
}
static void idct8x8_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i u0, u1, u2, u3, u4, u5, u6, u7;
__m128i v0, v1, v2, v3, v4, v5, v6, v7;
__m128i x, y;
int col;
// Note:
// Even column: 0, 2, ..., 14
// Odd column: 1, 3, ..., 15
// one even column plus one odd column constructs one row (8 coeffs)
// total we have 8 rows (8x8).
for (col = 0; col < 2; ++col) {
// stage 0
// stage 1
// stage 2
u0 = in[0 * 2 + col];
u1 = in[4 * 2 + col];
u2 = in[2 * 2 + col];
u3 = in[6 * 2 + col];
x = _mm_mullo_epi32(in[1 * 2 + col], cospi56);
y = _mm_mullo_epi32(in[7 * 2 + col], cospim8);
u4 = _mm_add_epi32(x, y);
u4 = _mm_add_epi32(u4, rnding);
u4 = _mm_srai_epi32(u4, bit);
x = _mm_mullo_epi32(in[1 * 2 + col], cospi8);
y = _mm_mullo_epi32(in[7 * 2 + col], cospi56);
u7 = _mm_add_epi32(x, y);
u7 = _mm_add_epi32(u7, rnding);
u7 = _mm_srai_epi32(u7, bit);
x = _mm_mullo_epi32(in[5 * 2 + col], cospi24);
y = _mm_mullo_epi32(in[3 * 2 + col], cospim40);
u5 = _mm_add_epi32(x, y);
u5 = _mm_add_epi32(u5, rnding);
u5 = _mm_srai_epi32(u5, bit);
x = _mm_mullo_epi32(in[5 * 2 + col], cospi40);
y = _mm_mullo_epi32(in[3 * 2 + col], cospi24);
u6 = _mm_add_epi32(x, y);
u6 = _mm_add_epi32(u6, rnding);
u6 = _mm_srai_epi32(u6, bit);
// stage 3
x = _mm_mullo_epi32(u0, cospi32);
y = _mm_mullo_epi32(u1, cospi32);
v0 = _mm_add_epi32(x, y);
v0 = _mm_add_epi32(v0, rnding);
v0 = _mm_srai_epi32(v0, bit);
v1 = _mm_sub_epi32(x, y);
v1 = _mm_add_epi32(v1, rnding);
v1 = _mm_srai_epi32(v1, bit);
x = _mm_mullo_epi32(u2, cospi48);
y = _mm_mullo_epi32(u3, cospim16);
v2 = _mm_add_epi32(x, y);
v2 = _mm_add_epi32(v2, rnding);
v2 = _mm_srai_epi32(v2, bit);
x = _mm_mullo_epi32(u2, cospi16);
y = _mm_mullo_epi32(u3, cospi48);
v3 = _mm_add_epi32(x, y);
v3 = _mm_add_epi32(v3, rnding);
v3 = _mm_srai_epi32(v3, bit);
addsub_sse4_1(u4, u5, &v4, &v5, &clamp_lo, &clamp_hi);
addsub_sse4_1(u7, u6, &v7, &v6, &clamp_lo, &clamp_hi);
// stage 4
addsub_sse4_1(v0, v3, &u0, &u3, &clamp_lo, &clamp_hi);
addsub_sse4_1(v1, v2, &u1, &u2, &clamp_lo, &clamp_hi);
u4 = v4;
u7 = v7;
x = _mm_mullo_epi32(v5, cospi32);
y = _mm_mullo_epi32(v6, cospi32);
u6 = _mm_add_epi32(y, x);
u6 = _mm_add_epi32(u6, rnding);
u6 = _mm_srai_epi32(u6, bit);
u5 = _mm_sub_epi32(y, x);
u5 = _mm_add_epi32(u5, rnding);
u5 = _mm_srai_epi32(u5, bit);
// stage 5
addsub_sse4_1(u0, u7, out + 0 * 2 + col, out + 7 * 2 + col, &clamp_lo,
&clamp_hi);
addsub_sse4_1(u1, u6, out + 1 * 2 + col, out + 6 * 2 + col, &clamp_lo,
&clamp_hi);
addsub_sse4_1(u2, u5, out + 2 * 2 + col, out + 5 * 2 + col, &clamp_lo,
&clamp_hi);
addsub_sse4_1(u3, u4, out + 3 * 2 + col, out + 4 * 2 + col, &clamp_lo,
&clamp_hi);
}
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo_out, &clamp_hi_out, 16);
}
}
static void iadst8x8_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
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();
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__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
addsub_sse4_1(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi);
// 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
addsub_sse4_1(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi);
// 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
if (do_cols) {
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]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
neg_shift_sse4_1(u[0], u[4], out + 0, out + 2, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[6], u[2], out + 4, out + 6, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[3], u[7], out + 8, out + 10, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(u[5], u[1], out + 12, out + 14, &clamp_lo_out,
&clamp_hi_out, out_shift);
}
// 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
addsub_sse4_1(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi);
// 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
addsub_sse4_1(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi);
// 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
if (do_cols) {
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]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
neg_shift_sse4_1(u[0], u[4], out + 1, out + 3, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[6], u[2], out + 5, out + 7, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[3], u[7], out + 9, out + 11, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(u[5], u[1], out + 13, out + 15, &clamp_lo_out,
&clamp_hi_out, out_shift);
}
}
static void iidentity8_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
(void)bit;
out[0] = _mm_add_epi32(in[0], in[0]);
out[1] = _mm_add_epi32(in[1], in[1]);
out[2] = _mm_add_epi32(in[2], in[2]);
out[3] = _mm_add_epi32(in[3], in[3]);
out[4] = _mm_add_epi32(in[4], in[4]);
out[5] = _mm_add_epi32(in[5], in[5]);
out[6] = _mm_add_epi32(in[6], in[6]);
out[7] = _mm_add_epi32(in[7], in[7]);
if (!do_cols) {
const int log_range = AOMMAX(16, bd + 6);
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
round_shift_4x4(out, out_shift);
round_shift_4x4(out + 4, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo, &clamp_hi, 8);
}
}
static __m128i get_recon_8x8(const __m128i pred, __m128i res_lo, __m128i res_hi,
int fliplr, int bd) {
__m128i x0, x1;
const __m128i zero = _mm_setzero_si128();
x0 = _mm_unpacklo_epi16(pred, zero);
x1 = _mm_unpackhi_epi16(pred, zero);
if (fliplr) {
res_lo = _mm_shuffle_epi32(res_lo, 0x1B);
res_hi = _mm_shuffle_epi32(res_hi, 0x1B);
x0 = _mm_add_epi32(res_hi, x0);
x1 = _mm_add_epi32(res_lo, x1);
} else {
x0 = _mm_add_epi32(res_lo, x0);
x1 = _mm_add_epi32(res_hi, x1);
}
x0 = _mm_packus_epi32(x0, x1);
return highbd_clamp_epi16(x0, bd);
}
static void write_buffer_8x8(__m128i *in, uint16_t *output, int stride,
int fliplr, int flipud, int shift, int bd) {
__m128i u0, u1, u2, u3, u4, u5, u6, u7;
__m128i v0, v1, v2, v3, v4, v5, v6, v7;
round_shift_8x8(in, shift);
v0 = _mm_loadu_si128((__m128i const *)(output + 0 * stride));
v1 = _mm_loadu_si128((__m128i const *)(output + 1 * stride));
v2 = _mm_loadu_si128((__m128i const *)(output + 2 * stride));
v3 = _mm_loadu_si128((__m128i const *)(output + 3 * stride));
v4 = _mm_loadu_si128((__m128i const *)(output + 4 * stride));
v5 = _mm_loadu_si128((__m128i const *)(output + 5 * stride));
v6 = _mm_loadu_si128((__m128i const *)(output + 6 * stride));
v7 = _mm_loadu_si128((__m128i const *)(output + 7 * stride));
if (flipud) {
u0 = get_recon_8x8(v0, in[14], in[15], fliplr, bd);
u1 = get_recon_8x8(v1, in[12], in[13], fliplr, bd);
u2 = get_recon_8x8(v2, in[10], in[11], fliplr, bd);
u3 = get_recon_8x8(v3, in[8], in[9], fliplr, bd);
u4 = get_recon_8x8(v4, in[6], in[7], fliplr, bd);
u5 = get_recon_8x8(v5, in[4], in[5], fliplr, bd);
u6 = get_recon_8x8(v6, in[2], in[3], fliplr, bd);
u7 = get_recon_8x8(v7, in[0], in[1], fliplr, bd);
} else {
u0 = get_recon_8x8(v0, in[0], in[1], fliplr, bd);
u1 = get_recon_8x8(v1, in[2], in[3], fliplr, bd);
u2 = get_recon_8x8(v2, in[4], in[5], fliplr, bd);
u3 = get_recon_8x8(v3, in[6], in[7], fliplr, bd);
u4 = get_recon_8x8(v4, in[8], in[9], fliplr, bd);
u5 = get_recon_8x8(v5, in[10], in[11], fliplr, bd);
u6 = get_recon_8x8(v6, in[12], in[13], fliplr, bd);
u7 = get_recon_8x8(v7, in[14], in[15], fliplr, bd);
}
_mm_storeu_si128((__m128i *)(output + 0 * stride), u0);
_mm_storeu_si128((__m128i *)(output + 1 * stride), u1);
_mm_storeu_si128((__m128i *)(output + 2 * stride), u2);
_mm_storeu_si128((__m128i *)(output + 3 * stride), u3);
_mm_storeu_si128((__m128i *)(output + 4 * stride), u4);
_mm_storeu_si128((__m128i *)(output + 5 * stride), u5);
_mm_storeu_si128((__m128i *)(output + 6 * stride), u6);
_mm_storeu_si128((__m128i *)(output + 7 * stride), u7);
}
void av1_inv_txfm2d_add_8x8_sse4_1(const int32_t *input, uint16_t *output,
int stride, TX_TYPE tx_type, int bd) {
__m128i in[16], out[16];
const int8_t *shift = av1_inv_txfm_shift_ls[TX_8X8];
const int txw_idx = get_txw_idx(TX_8X8);
const int txh_idx = get_txh_idx(TX_8X8);
switch (tx_type) {
case DCT_DCT:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
idct8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
idct8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd);
break;
case DCT_ADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
idct8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd);
break;
case ADST_DCT:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
idct8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd);
break;
case ADST_ADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 0, -shift[1], bd);
break;
case FLIPADST_DCT:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
idct8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 1, -shift[1], bd);
break;
case DCT_FLIPADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
idct8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 1, 0, -shift[1], bd);
break;
case ADST_FLIPADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 1, 0, -shift[1], bd);
break;
case FLIPADST_FLIPADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 1, 1, -shift[1], bd);
break;
case FLIPADST_ADST:
load_buffer_8x8(input, in);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
transpose_8x8(in, out);
iadst8x8_sse4_1(out, in, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
write_buffer_8x8(in, output, stride, 0, 1, -shift[1], bd);
break;
default: assert(0);
}
}
static void idct8x8_low1_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
__m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
__m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i x;
// stage 0
// stage 1
// stage 2
// stage 3
x = _mm_mullo_epi32(in[0], cospi32);
x = _mm_add_epi32(x, rnding);
x = _mm_srai_epi32(x, bit);
// stage 4
// stage 5
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
clamp_lo = _mm_set1_epi32(-(1 << (log_range_out - 1)));
clamp_hi = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
__m128i offset = _mm_set1_epi32((1 << out_shift) >> 1);
x = _mm_add_epi32(x, offset);
x = _mm_sra_epi32(x, _mm_cvtsi32_si128(out_shift));
}
x = _mm_max_epi32(x, clamp_lo);
x = _mm_min_epi32(x, clamp_hi);
out[0] = x;
out[1] = x;
out[2] = x;
out[3] = x;
out[4] = x;
out[5] = x;
out[6] = x;
out[7] = x;
}
static void idct8x8_new_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i u0, u1, u2, u3, u4, u5, u6, u7;
__m128i v0, v1, v2, v3, v4, v5, v6, v7;
__m128i x, y;
// stage 0
// stage 1
// stage 2
u0 = in[0];
u1 = in[4];
u2 = in[2];
u3 = in[6];
x = _mm_mullo_epi32(in[1], cospi56);
y = _mm_mullo_epi32(in[7], cospim8);
u4 = _mm_add_epi32(x, y);
u4 = _mm_add_epi32(u4, rnding);
u4 = _mm_srai_epi32(u4, bit);
x = _mm_mullo_epi32(in[1], cospi8);
y = _mm_mullo_epi32(in[7], cospi56);
u7 = _mm_add_epi32(x, y);
u7 = _mm_add_epi32(u7, rnding);
u7 = _mm_srai_epi32(u7, bit);
x = _mm_mullo_epi32(in[5], cospi24);
y = _mm_mullo_epi32(in[3], cospim40);
u5 = _mm_add_epi32(x, y);
u5 = _mm_add_epi32(u5, rnding);
u5 = _mm_srai_epi32(u5, bit);
x = _mm_mullo_epi32(in[5], cospi40);
y = _mm_mullo_epi32(in[3], cospi24);
u6 = _mm_add_epi32(x, y);
u6 = _mm_add_epi32(u6, rnding);
u6 = _mm_srai_epi32(u6, bit);
// stage 3
x = _mm_mullo_epi32(u0, cospi32);
y = _mm_mullo_epi32(u1, cospi32);
v0 = _mm_add_epi32(x, y);
v0 = _mm_add_epi32(v0, rnding);
v0 = _mm_srai_epi32(v0, bit);
v1 = _mm_sub_epi32(x, y);
v1 = _mm_add_epi32(v1, rnding);
v1 = _mm_srai_epi32(v1, bit);
x = _mm_mullo_epi32(u2, cospi48);
y = _mm_mullo_epi32(u3, cospim16);
v2 = _mm_add_epi32(x, y);
v2 = _mm_add_epi32(v2, rnding);
v2 = _mm_srai_epi32(v2, bit);
x = _mm_mullo_epi32(u2, cospi16);
y = _mm_mullo_epi32(u3, cospi48);
v3 = _mm_add_epi32(x, y);
v3 = _mm_add_epi32(v3, rnding);
v3 = _mm_srai_epi32(v3, bit);
addsub_sse4_1(u4, u5, &v4, &v5, &clamp_lo, &clamp_hi);
addsub_sse4_1(u7, u6, &v7, &v6, &clamp_lo, &clamp_hi);
// stage 4
addsub_sse4_1(v0, v3, &u0, &u3, &clamp_lo, &clamp_hi);
addsub_sse4_1(v1, v2, &u1, &u2, &clamp_lo, &clamp_hi);
u4 = v4;
u7 = v7;
x = _mm_mullo_epi32(v5, cospi32);
y = _mm_mullo_epi32(v6, cospi32);
u6 = _mm_add_epi32(y, x);
u6 = _mm_add_epi32(u6, rnding);
u6 = _mm_srai_epi32(u6, bit);
u5 = _mm_sub_epi32(y, x);
u5 = _mm_add_epi32(u5, rnding);
u5 = _mm_srai_epi32(u5, bit);
// stage 5
addsub_sse4_1(u0, u7, out + 0, out + 7, &clamp_lo, &clamp_hi);
addsub_sse4_1(u1, u6, out + 1, out + 6, &clamp_lo, &clamp_hi);
addsub_sse4_1(u2, u5, out + 2, out + 5, &clamp_lo, &clamp_hi);
addsub_sse4_1(u3, u4, out + 3, out + 4, &clamp_lo, &clamp_hi);
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
round_shift_4x4(out, out_shift);
round_shift_4x4(out + 4, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo_out, &clamp_hi_out, 8);
}
}
static void iadst8x8_low1_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
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 cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospi48 = _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], x;
// stage 0
// stage 1
// stage 2
x = _mm_mullo_epi32(in[0], cospi60);
u[0] = _mm_add_epi32(x, rnding);
u[0] = _mm_srai_epi32(u[0], bit);
x = _mm_mullo_epi32(in[0], cospi4);
u[1] = _mm_sub_epi32(kZero, x);
u[1] = _mm_add_epi32(u[1], rnding);
u[1] = _mm_srai_epi32(u[1], bit);
// stage 3
// stage 4
__m128i temp1, temp2;
temp1 = _mm_mullo_epi32(u[0], cospi16);
x = _mm_mullo_epi32(u[1], cospi48);
temp1 = _mm_add_epi32(temp1, x);
temp1 = _mm_add_epi32(temp1, rnding);
temp1 = _mm_srai_epi32(temp1, bit);
u[4] = temp1;
temp2 = _mm_mullo_epi32(u[0], cospi48);
x = _mm_mullo_epi32(u[1], cospi16);
u[5] = _mm_sub_epi32(temp2, x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
// stage 5
// stage 6
temp1 = _mm_mullo_epi32(u[0], cospi32);
x = _mm_mullo_epi32(u[1], cospi32);
u[2] = _mm_add_epi32(temp1, x);
u[2] = _mm_add_epi32(u[2], rnding);
u[2] = _mm_srai_epi32(u[2], bit);
u[3] = _mm_sub_epi32(temp1, x);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
temp1 = _mm_mullo_epi32(u[4], cospi32);
x = _mm_mullo_epi32(u[5], cospi32);
u[6] = _mm_add_epi32(temp1, x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = _mm_sub_epi32(temp1, x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
// stage 7
if (do_cols) {
out[0] = u[0];
out[1] = _mm_sub_epi32(kZero, u[4]);
out[2] = u[6];
out[3] = _mm_sub_epi32(kZero, u[2]);
out[4] = u[3];
out[5] = _mm_sub_epi32(kZero, u[7]);
out[6] = u[5];
out[7] = _mm_sub_epi32(kZero, u[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
neg_shift_sse4_1(u[0], u[4], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[6], u[2], out + 2, out + 3, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[3], u[7], out + 4, out + 5, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[5], u[1], out + 6, out + 7, &clamp_lo_out, &clamp_hi_out,
out_shift);
}
}
static void iadst8x8_new_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
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();
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i u[8], v[8], x;
// stage 0
// stage 1
// stage 2
u[0] = _mm_mullo_epi32(in[7], 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[7], 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[5], cospi20);
x = _mm_mullo_epi32(in[2], 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[5], cospi44);
x = _mm_mullo_epi32(in[2], 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[3], cospi36);
x = _mm_mullo_epi32(in[4], 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[3], cospi28);
x = _mm_mullo_epi32(in[4], 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[1], cospi52);
x = _mm_mullo_epi32(in[6], 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[1], cospi12);
x = _mm_mullo_epi32(in[6], 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
addsub_sse4_1(u[0], u[4], &v[0], &v[4], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[5], &v[1], &v[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[2], u[6], &v[2], &v[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[3], u[7], &v[3], &v[7], &clamp_lo, &clamp_hi);
// 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
addsub_sse4_1(u[0], u[2], &v[0], &v[2], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[3], &v[1], &v[3], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[4], u[6], &v[4], &v[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[5], u[7], &v[5], &v[7], &clamp_lo, &clamp_hi);
// 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
if (do_cols) {
out[0] = u[0];
out[1] = _mm_sub_epi32(kZero, u[4]);
out[2] = u[6];
out[3] = _mm_sub_epi32(kZero, u[2]);
out[4] = u[3];
out[5] = _mm_sub_epi32(kZero, u[7]);
out[6] = u[5];
out[7] = _mm_sub_epi32(kZero, u[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
neg_shift_sse4_1(u[0], u[4], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[6], u[2], out + 2, out + 3, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[3], u[7], out + 4, out + 5, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[5], u[1], out + 6, out + 7, &clamp_lo_out, &clamp_hi_out,
out_shift);
}
}
static void idct16x16_low1_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
__m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
__m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
// stage 0
// stage 1
// stage 2
// stage 3
// stage 4
in[0] = _mm_mullo_epi32(in[0], cospi32);
in[0] = _mm_add_epi32(in[0], rnding);
in[0] = _mm_srai_epi32(in[0], bit);
// stage 5
// stage 6
// stage 7
if (!do_cols) {
log_range = AOMMAX(16, bd + 6);
clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
if (out_shift != 0) {
__m128i offset = _mm_set1_epi32((1 << out_shift) >> 1);
in[0] = _mm_add_epi32(in[0], offset);
in[0] = _mm_sra_epi32(in[0], _mm_cvtsi32_si128(out_shift));
}
}
in[0] = _mm_max_epi32(in[0], clamp_lo);
in[0] = _mm_min_epi32(in[0], clamp_hi);
out[0] = in[0];
out[1] = in[0];
out[2] = in[0];
out[3] = in[0];
out[4] = in[0];
out[5] = in[0];
out[6] = in[0];
out[7] = in[0];
out[8] = in[0];
out[9] = in[0];
out[10] = in[0];
out[11] = in[0];
out[12] = in[0];
out[13] = in[0];
out[14] = in[0];
out[15] = in[0];
}
static void idct16x16_low8_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
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 cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
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 cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospim36 = _mm_set1_epi32(-cospi[36]);
const __m128i cospim52 = _mm_set1_epi32(-cospi[52]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i u[16], x, y;
// stage 0
// stage 1
u[0] = in[0];
u[2] = in[4];
u[4] = in[2];
u[6] = in[6];
u[8] = in[1];
u[10] = in[5];
u[12] = in[3];
u[14] = in[7];
// stage 2
u[15] = half_btf_0_sse4_1(&cospi4, &u[8], &rnding, bit);
u[8] = half_btf_0_sse4_1(&cospi60, &u[8], &rnding, bit);
u[9] = half_btf_0_sse4_1(&cospim36, &u[14], &rnding, bit);
u[14] = half_btf_0_sse4_1(&cospi28, &u[14], &rnding, bit);
u[13] = half_btf_0_sse4_1(&cospi20, &u[10], &rnding, bit);
u[10] = half_btf_0_sse4_1(&cospi44, &u[10], &rnding, bit);
u[11] = half_btf_0_sse4_1(&cospim52, &u[12], &rnding, bit);
u[12] = half_btf_0_sse4_1(&cospi12, &u[12], &rnding, bit);
// stage 3
u[7] = half_btf_0_sse4_1(&cospi8, &u[4], &rnding, bit);
u[4] = half_btf_0_sse4_1(&cospi56, &u[4], &rnding, bit);
u[5] = half_btf_0_sse4_1(&cospim40, &u[6], &rnding, bit);
u[6] = half_btf_0_sse4_1(&cospi24, &u[6], &rnding, bit);
addsub_sse4_1(u[8], u[9], &u[8], &u[9], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[11], u[10], &u[11], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[12], u[13], &u[12], &u[13], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[15], u[14], &u[15], &u[14], &clamp_lo, &clamp_hi);
// stage 4
x = _mm_mullo_epi32(u[0], cospi32);
u[0] = _mm_add_epi32(x, rnding);
u[0] = _mm_srai_epi32(u[0], bit);
u[1] = u[0];
u[3] = half_btf_0_sse4_1(&cospi16, &u[2], &rnding, bit);
u[2] = half_btf_0_sse4_1(&cospi48, &u[2], &rnding, bit);
addsub_sse4_1(u[4], u[5], &u[4], &u[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[7], u[6], &u[7], &u[6], &clamp_lo, &clamp_hi);
x = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit);
u[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit);
u[9] = x;
y = half_btf_sse4_1(&cospim48, &u[10], &cospim16, &u[13], &rnding, bit);
u[13] = half_btf_sse4_1(&cospim16, &u[10], &cospi48, &u[13], &rnding, bit);
u[10] = y;
// stage 5
addsub_sse4_1(u[0], u[3], &u[0], &u[3], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[2], &u[1], &u[2], &clamp_lo, &clamp_hi);
x = _mm_mullo_epi32(u[5], cospi32);
y = _mm_mullo_epi32(u[6], cospi32);
u[5] = _mm_sub_epi32(y, x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
u[6] = _mm_add_epi32(y, x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
addsub_sse4_1(u[8], u[11], &u[8], &u[11], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[9], u[10], &u[9], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[15], u[12], &u[15], &u[12], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[14], u[13], &u[14], &u[13], &clamp_lo, &clamp_hi);
// stage 6
addsub_sse4_1(u[0], u[7], &u[0], &u[7], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[6], &u[1], &u[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[2], u[5], &u[2], &u[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[3], u[4], &u[3], &u[4], &clamp_lo, &clamp_hi);
x = _mm_mullo_epi32(u[10], cospi32);
y = _mm_mullo_epi32(u[13], cospi32);
u[10] = _mm_sub_epi32(y, x);
u[10] = _mm_add_epi32(u[10], rnding);
u[10] = _mm_srai_epi32(u[10], bit);
u[13] = _mm_add_epi32(x, y);
u[13] = _mm_add_epi32(u[13], rnding);
u[13] = _mm_srai_epi32(u[13], bit);
x = _mm_mullo_epi32(u[11], cospi32);
y = _mm_mullo_epi32(u[12], cospi32);
u[11] = _mm_sub_epi32(y, x);
u[11] = _mm_add_epi32(u[11], rnding);
u[11] = _mm_srai_epi32(u[11], bit);
u[12] = _mm_add_epi32(x, y);
u[12] = _mm_add_epi32(u[12], rnding);
u[12] = _mm_srai_epi32(u[12], bit);
// stage 7
addsub_sse4_1(u[0], u[15], out + 0, out + 15, &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[14], out + 1, out + 14, &clamp_lo, &clamp_hi);
addsub_sse4_1(u[2], u[13], out + 2, out + 13, &clamp_lo, &clamp_hi);
addsub_sse4_1(u[3], u[12], out + 3, out + 12, &clamp_lo, &clamp_hi);
addsub_sse4_1(u[4], u[11], out + 4, out + 11, &clamp_lo, &clamp_hi);
addsub_sse4_1(u[5], u[10], out + 5, out + 10, &clamp_lo, &clamp_hi);
addsub_sse4_1(u[6], u[9], out + 6, out + 9, &clamp_lo, &clamp_hi);
addsub_sse4_1(u[7], u[8], out + 7, out + 8, &clamp_lo, &clamp_hi);
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo_out, &clamp_hi_out, 16);
}
}
static void iadst16x16_low1_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
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 cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const __m128i zero = _mm_setzero_si128();
__m128i v[16], x, y, temp1, temp2;
// stage 0
// stage 1
// stage 2
x = _mm_mullo_epi32(in[0], cospi62);
v[0] = _mm_add_epi32(x, rnding);
v[0] = _mm_srai_epi32(v[0], bit);
x = _mm_mullo_epi32(in[0], cospi2);
v[1] = _mm_sub_epi32(zero, x);
v[1] = _mm_add_epi32(v[1], rnding);
v[1] = _mm_srai_epi32(v[1], bit);
// stage 3
v[8] = v[0];
v[9] = v[1];
// stage 4
temp1 = _mm_mullo_epi32(v[8], cospi8);
x = _mm_mullo_epi32(v[9], cospi56);
temp1 = _mm_add_epi32(temp1, x);
temp1 = _mm_add_epi32(temp1, rnding);
temp1 = _mm_srai_epi32(temp1, bit);
temp2 = _mm_mullo_epi32(v[8], cospi56);
x = _mm_mullo_epi32(v[9], cospi8);
temp2 = _mm_sub_epi32(temp2, x);
temp2 = _mm_add_epi32(temp2, rnding);
temp2 = _mm_srai_epi32(temp2, bit);
v[8] = temp1;
v[9] = temp2;
// stage 5
v[4] = v[0];
v[5] = v[1];
v[12] = v[8];
v[13] = v[9];
// stage 6
temp1 = _mm_mullo_epi32(v[4], cospi16);
x = _mm_mullo_epi32(v[5], cospi48);
temp1 = _mm_add_epi32(temp1, x);
temp1 = _mm_add_epi32(temp1, rnding);
temp1 = _mm_srai_epi32(temp1, bit);
temp2 = _mm_mullo_epi32(v[4], cospi48);
x = _mm_mullo_epi32(v[5], cospi16);
temp2 = _mm_sub_epi32(temp2, x);
temp2 = _mm_add_epi32(temp2, rnding);
temp2 = _mm_srai_epi32(temp2, bit);
v[4] = temp1;
v[5] = temp2;
temp1 = _mm_mullo_epi32(v[12], cospi16);
x = _mm_mullo_epi32(v[13], cospi48);
temp1 = _mm_add_epi32(temp1, x);
temp1 = _mm_add_epi32(temp1, rnding);
temp1 = _mm_srai_epi32(temp1, bit);
temp2 = _mm_mullo_epi32(v[12], cospi48);
x = _mm_mullo_epi32(v[13], cospi16);
temp2 = _mm_sub_epi32(temp2, x);
temp2 = _mm_add_epi32(temp2, rnding);
temp2 = _mm_srai_epi32(temp2, bit);
v[12] = temp1;
v[13] = temp2;
// stage 7
v[2] = v[0];
v[3] = v[1];
v[6] = v[4];
v[7] = v[5];
v[10] = v[8];
v[11] = v[9];
v[14] = v[12];
v[15] = v[13];
// stage 8
y = _mm_mullo_epi32(v[2], cospi32);
x = _mm_mullo_epi32(v[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);
y = _mm_mullo_epi32(v[6], cospi32);
x = _mm_mullo_epi32(v[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);
y = _mm_mullo_epi32(v[10], cospi32);
x = _mm_mullo_epi32(v[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);
y = _mm_mullo_epi32(v[14], cospi32);
x = _mm_mullo_epi32(v[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
if (do_cols) {
out[0] = v[0];
out[1] = _mm_sub_epi32(zero, v[8]);
out[2] = v[12];
out[3] = _mm_sub_epi32(zero, v[4]);
out[4] = v[6];
out[5] = _mm_sub_epi32(zero, v[14]);
out[6] = v[10];
out[7] = _mm_sub_epi32(zero, v[2]);
out[8] = v[3];
out[9] = _mm_sub_epi32(zero, v[11]);
out[10] = v[15];
out[11] = _mm_sub_epi32(zero, v[7]);
out[12] = v[5];
out[13] = _mm_sub_epi32(zero, v[13]);
out[14] = v[9];
out[15] = _mm_sub_epi32(zero, v[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
neg_shift_sse4_1(v[0], v[8], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(v[12], v[4], out + 2, out + 3, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[6], v[14], out + 4, out + 5, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[10], v[2], out + 6, out + 7, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[3], v[11], out + 8, out + 9, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[15], v[7], out + 10, out + 11, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[5], v[13], out + 12, out + 13, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[9], v[1], out + 14, out + 15, &clamp_lo_out,
&clamp_hi_out, out_shift);
}
}
static void iadst16x16_low8_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
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));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i zero = _mm_setzero_si128();
__m128i u[16], x, y;
// stage 0
// stage 1
// stage 2
x = _mm_mullo_epi32(in[0], cospi62);
u[0] = _mm_add_epi32(x, rnding);
u[0] = _mm_srai_epi32(u[0], bit);
x = _mm_mullo_epi32(in[0], cospi2);
u[1] = _mm_sub_epi32(zero, x);
u[1] = _mm_add_epi32(u[1], rnding);
u[1] = _mm_srai_epi32(u[1], bit);
x = _mm_mullo_epi32(in[2], cospi54);
u[2] = _mm_add_epi32(x, rnding);
u[2] = _mm_srai_epi32(u[2], bit);
x = _mm_mullo_epi32(in[2], cospi10);
u[3] = _mm_sub_epi32(zero, x);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
x = _mm_mullo_epi32(in[4], cospi46);
u[4] = _mm_add_epi32(x, rnding);
u[4] = _mm_srai_epi32(u[4], bit);
x = _mm_mullo_epi32(in[4], cospi18);
u[5] = _mm_sub_epi32(zero, x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
x = _mm_mullo_epi32(in[6], cospi38);
u[6] = _mm_add_epi32(x, rnding);
u[6] = _mm_srai_epi32(u[6], bit);
x = _mm_mullo_epi32(in[6], cospi26);
u[7] = _mm_sub_epi32(zero, x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
u[8] = _mm_mullo_epi32(in[7], cospi34);
u[8] = _mm_add_epi32(u[8], rnding);
u[8] = _mm_srai_epi32(u[8], bit);
u[9] = _mm_mullo_epi32(in[7], cospi30);
u[9] = _mm_add_epi32(u[9], rnding);
u[9] = _mm_srai_epi32(u[9], bit);
u[10] = _mm_mullo_epi32(in[5], cospi42);
u[10] = _mm_add_epi32(u[10], rnding);
u[10] = _mm_srai_epi32(u[10], bit);
u[11] = _mm_mullo_epi32(in[5], cospi22);
u[11] = _mm_add_epi32(u[11], rnding);
u[11] = _mm_srai_epi32(u[11], bit);
u[12] = _mm_mullo_epi32(in[3], cospi50);
u[12] = _mm_add_epi32(u[12], rnding);
u[12] = _mm_srai_epi32(u[12], bit);
u[13] = _mm_mullo_epi32(in[3], cospi14);
u[13] = _mm_add_epi32(u[13], rnding);
u[13] = _mm_srai_epi32(u[13], bit);
u[14] = _mm_mullo_epi32(in[1], cospi58);
u[14] = _mm_add_epi32(u[14], rnding);
u[14] = _mm_srai_epi32(u[14], bit);
u[15] = _mm_mullo_epi32(in[1], cospi6);
u[15] = _mm_add_epi32(u[15], rnding);
u[15] = _mm_srai_epi32(u[15], bit);
// stage 3
addsub_sse4_1(u[0], u[8], &u[0], &u[8], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[9], &u[1], &u[9], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[2], u[10], &u[2], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[3], u[11], &u[3], &u[11], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[4], u[12], &u[4], &u[12], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[5], u[13], &u[5], &u[13], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[6], u[14], &u[6], &u[14], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[7], u[15], &u[7], &u[15], &clamp_lo, &clamp_hi);
// stage 4
y = _mm_mullo_epi32(u[8], cospi56);
x = _mm_mullo_epi32(u[9], cospi56);
u[8] = _mm_mullo_epi32(u[8], cospi8);
u[8] = _mm_add_epi32(u[8], x);
u[8] = _mm_add_epi32(u[8], rnding);
u[8] = _mm_srai_epi32(u[8], bit);
x = _mm_mullo_epi32(u[9], cospi8);
u[9] = _mm_sub_epi32(y, x);
u[9] = _mm_add_epi32(u[9], rnding);
u[9] = _mm_srai_epi32(u[9], bit);
x = _mm_mullo_epi32(u[11], cospi24);
y = _mm_mullo_epi32(u[10], cospi24);
u[10] = _mm_mullo_epi32(u[10], cospi40);
u[10] = _mm_add_epi32(u[10], x);
u[10] = _mm_add_epi32(u[10], rnding);
u[10] = _mm_srai_epi32(u[10], bit);
x = _mm_mullo_epi32(u[11], cospi40);
u[11] = _mm_sub_epi32(y, x);
u[11] = _mm_add_epi32(u[11], rnding);
u[11] = _mm_srai_epi32(u[11], bit);
x = _mm_mullo_epi32(u[13], cospi8);
y = _mm_mullo_epi32(u[12], cospi8);
u[12] = _mm_mullo_epi32(u[12], cospim56);
u[12] = _mm_add_epi32(u[12], x);
u[12] = _mm_add_epi32(u[12], rnding);
u[12] = _mm_srai_epi32(u[12], bit);
x = _mm_mullo_epi32(u[13], cospim56);
u[13] = _mm_sub_epi32(y, x);
u[13] = _mm_add_epi32(u[13], rnding);
u[13] = _mm_srai_epi32(u[13], bit);
x = _mm_mullo_epi32(u[15], cospi40);
y = _mm_mullo_epi32(u[14], cospi40);
u[14] = _mm_mullo_epi32(u[14], cospim24);
u[14] = _mm_add_epi32(u[14], x);
u[14] = _mm_add_epi32(u[14], rnding);
u[14] = _mm_srai_epi32(u[14], bit);
x = _mm_mullo_epi32(u[15], cospim24);
u[15] = _mm_sub_epi32(y, x);
u[15] = _mm_add_epi32(u[15], rnding);
u[15] = _mm_srai_epi32(u[15], bit);
// stage 5
addsub_sse4_1(u[0], u[4], &u[0], &u[4], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[5], &u[1], &u[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[2], u[6], &u[2], &u[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[3], u[7], &u[3], &u[7], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[8], u[12], &u[8], &u[12], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[9], u[13], &u[9], &u[13], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[10], u[14], &u[10], &u[14], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[11], u[15], &u[11], &u[15], &clamp_lo, &clamp_hi);
// stage 6
x = _mm_mullo_epi32(u[5], cospi48);
y = _mm_mullo_epi32(u[4], cospi48);
u[4] = _mm_mullo_epi32(u[4], cospi16);
u[4] = _mm_add_epi32(u[4], x);
u[4] = _mm_add_epi32(u[4], rnding);
u[4] = _mm_srai_epi32(u[4], bit);
x = _mm_mullo_epi32(u[5], cospi16);
u[5] = _mm_sub_epi32(y, x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
x = _mm_mullo_epi32(u[7], cospi16);
y = _mm_mullo_epi32(u[6], cospi16);
u[6] = _mm_mullo_epi32(u[6], cospim48);
u[6] = _mm_add_epi32(u[6], x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
x = _mm_mullo_epi32(u[7], cospim48);
u[7] = _mm_sub_epi32(y, x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
x = _mm_mullo_epi32(u[13], cospi48);
y = _mm_mullo_epi32(u[12], cospi48);
u[12] = _mm_mullo_epi32(u[12], cospi16);
u[12] = _mm_add_epi32(u[12], x);
u[12] = _mm_add_epi32(u[12], rnding);
u[12] = _mm_srai_epi32(u[12], bit);
x = _mm_mullo_epi32(u[13], cospi16);
u[13] = _mm_sub_epi32(y, x);
u[13] = _mm_add_epi32(u[13], rnding);
u[13] = _mm_srai_epi32(u[13], bit);
x = _mm_mullo_epi32(u[15], cospi16);
y = _mm_mullo_epi32(u[14], cospi16);
u[14] = _mm_mullo_epi32(u[14], cospim48);
u[14] = _mm_add_epi32(u[14], x);
u[14] = _mm_add_epi32(u[14], rnding);
u[14] = _mm_srai_epi32(u[14], bit);
x = _mm_mullo_epi32(u[15], cospim48);
u[15] = _mm_sub_epi32(y, x);
u[15] = _mm_add_epi32(u[15], rnding);
u[15] = _mm_srai_epi32(u[15], bit);
// stage 7
addsub_sse4_1(u[0], u[2], &u[0], &u[2], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[3], &u[1], &u[3], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[4], u[6], &u[4], &u[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[5], u[7], &u[5], &u[7], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[8], u[10], &u[8], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[9], u[11], &u[9], &u[11], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[12], u[14], &u[12], &u[14], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[13], u[15], &u[13], &u[15], &clamp_lo, &clamp_hi);
// stage 8
y = _mm_mullo_epi32(u[2], cospi32);
x = _mm_mullo_epi32(u[3], cospi32);
u[2] = _mm_add_epi32(y, x);
u[2] = _mm_add_epi32(u[2], rnding);
u[2] = _mm_srai_epi32(u[2], bit);
u[3] = _mm_sub_epi32(y, x);
u[3] = _mm_add_epi32(u[3], rnding);
u[3] = _mm_srai_epi32(u[3], bit);
y = _mm_mullo_epi32(u[6], cospi32);
x = _mm_mullo_epi32(u[7], cospi32);
u[6] = _mm_add_epi32(y, x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = _mm_sub_epi32(y, x);
u[7] = _mm_add_epi32(u[7], rnding);
u[7] = _mm_srai_epi32(u[7], bit);
y = _mm_mullo_epi32(u[10], cospi32);
x = _mm_mullo_epi32(u[11], cospi32);
u[10] = _mm_add_epi32(y, x);
u[10] = _mm_add_epi32(u[10], rnding);
u[10] = _mm_srai_epi32(u[10], bit);
u[11] = _mm_sub_epi32(y, x);
u[11] = _mm_add_epi32(u[11], rnding);
u[11] = _mm_srai_epi32(u[11], bit);
y = _mm_mullo_epi32(u[14], cospi32);
x = _mm_mullo_epi32(u[15], cospi32);
u[14] = _mm_add_epi32(y, x);
u[14] = _mm_add_epi32(u[14], rnding);
u[14] = _mm_srai_epi32(u[14], bit);
u[15] = _mm_sub_epi32(y, x);
u[15] = _mm_add_epi32(u[15], rnding);
u[15] = _mm_srai_epi32(u[15], bit);
// stage 9
if (do_cols) {
out[0] = u[0];
out[1] = _mm_sub_epi32(zero, u[8]);
out[2] = u[12];
out[3] = _mm_sub_epi32(zero, u[4]);
out[4] = u[6];
out[5] = _mm_sub_epi32(zero, u[14]);
out[6] = u[10];
out[7] = _mm_sub_epi32(zero, u[2]);
out[8] = u[3];
out[9] = _mm_sub_epi32(zero, u[11]);
out[10] = u[15];
out[11] = _mm_sub_epi32(zero, u[7]);
out[12] = u[5];
out[13] = _mm_sub_epi32(zero, u[13]);
out[14] = u[9];
out[15] = _mm_sub_epi32(zero, u[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
neg_shift_sse4_1(u[0], u[8], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(u[12], u[4], out + 2, out + 3, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(u[6], u[14], out + 4, out + 5, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(u[10], u[2], out + 6, out + 7, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(u[3], u[11], out + 8, out + 9, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(u[15], u[7], out + 10, out + 11, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(u[5], u[13], out + 12, out + 13, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(u[9], u[1], out + 14, out + 15, &clamp_lo_out,
&clamp_hi_out, out_shift);
}
}
static void idct16x16_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospim4 = _mm_set1_epi32(-cospi[4]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
const __m128i cospim36 = _mm_set1_epi32(-cospi[36]);
const __m128i cospi44 = _mm_set1_epi32(cospi[44]);
const __m128i cospi20 = _mm_set1_epi32(cospi[20]);
const __m128i cospim20 = _mm_set1_epi32(-cospi[20]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospim52 = _mm_set1_epi32(-cospi[52]);
const __m128i cospi52 = _mm_set1_epi32(cospi[52]);
const __m128i cospi36 = _mm_set1_epi32(cospi[36]);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
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 cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i u[16], v[16], x, y;
{
// stage 0
// stage 1
u[0] = in[0];
u[1] = in[8];
u[2] = in[4];
u[3] = in[12];
u[4] = in[2];
u[5] = in[10];
u[6] = in[6];
u[7] = in[14];
u[8] = in[1];
u[9] = in[9];
u[10] = in[5];
u[11] = in[13];
u[12] = in[3];
u[13] = in[11];
u[14] = in[7];
u[15] = in[15];
// stage 2
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] = half_btf_sse4_1(&cospi60, &u[8], &cospim4, &u[15], &rnding, bit);
v[9] = half_btf_sse4_1(&cospi28, &u[9], &cospim36, &u[14], &rnding, bit);
v[10] = half_btf_sse4_1(&cospi44, &u[10], &cospim20, &u[13], &rnding, bit);
v[11] = half_btf_sse4_1(&cospi12, &u[11], &cospim52, &u[12], &rnding, bit);
v[12] = half_btf_sse4_1(&cospi52, &u[11], &cospi12, &u[12], &rnding, bit);
v[13] = half_btf_sse4_1(&cospi20, &u[10], &cospi44, &u[13], &rnding, bit);
v[14] = half_btf_sse4_1(&cospi36, &u[9], &cospi28, &u[14], &rnding, bit);
v[15] = half_btf_sse4_1(&cospi4, &u[8], &cospi60, &u[15], &rnding, bit);
// stage 3
u[0] = v[0];
u[1] = v[1];
u[2] = v[2];
u[3] = v[3];
u[4] = half_btf_sse4_1(&cospi56, &v[4], &cospim8, &v[7], &rnding, bit);
u[5] = half_btf_sse4_1(&cospi24, &v[5], &cospim40, &v[6], &rnding, bit);
u[6] = half_btf_sse4_1(&cospi40, &v[5], &cospi24, &v[6], &rnding, bit);
u[7] = half_btf_sse4_1(&cospi8, &v[4], &cospi56, &v[7], &rnding, bit);
addsub_sse4_1(v[8], v[9], &u[8], &u[9], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[11], v[10], &u[11], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[12], v[13], &u[12], &u[13], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[15], v[14], &u[15], &u[14], &clamp_lo, &clamp_hi);
// stage 4
x = _mm_mullo_epi32(u[0], cospi32);
y = _mm_mullo_epi32(u[1], cospi32);
v[0] = _mm_add_epi32(x, y);
v[0] = _mm_add_epi32(v[0], rnding);
v[0] = _mm_srai_epi32(v[0], bit);
v[1] = _mm_sub_epi32(x, y);
v[1] = _mm_add_epi32(v[1], rnding);
v[1] = _mm_srai_epi32(v[1], bit);
v[2] = half_btf_sse4_1(&cospi48, &u[2], &cospim16, &u[3], &rnding, bit);
v[3] = half_btf_sse4_1(&cospi16, &u[2], &cospi48, &u[3], &rnding, bit);
addsub_sse4_1(u[4], u[5], &v[4], &v[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[7], u[6], &v[7], &v[6], &clamp_lo, &clamp_hi);
v[8] = u[8];
v[9] = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit);
v[10] = half_btf_sse4_1(&cospim48, &u[10], &cospim16, &u[13], &rnding, bit);
v[11] = u[11];
v[12] = u[12];
v[13] = half_btf_sse4_1(&cospim16, &u[10], &cospi48, &u[13], &rnding, bit);
v[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit);
v[15] = u[15];
// stage 5
addsub_sse4_1(v[0], v[3], &u[0], &u[3], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[1], v[2], &u[1], &u[2], &clamp_lo, &clamp_hi);
u[4] = v[4];
x = _mm_mullo_epi32(v[5], cospi32);
y = _mm_mullo_epi32(v[6], cospi32);
u[5] = _mm_sub_epi32(y, x);
u[5] = _mm_add_epi32(u[5], rnding);
u[5] = _mm_srai_epi32(u[5], bit);
u[6] = _mm_add_epi32(y, x);
u[6] = _mm_add_epi32(u[6], rnding);
u[6] = _mm_srai_epi32(u[6], bit);
u[7] = v[7];
addsub_sse4_1(v[8], v[11], &u[8], &u[11], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[9], v[10], &u[9], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[15], v[12], &u[15], &u[12], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[14], v[13], &u[14], &u[13], &clamp_lo, &clamp_hi);
// stage 6
addsub_sse4_1(u[0], u[7], &v[0], &v[7], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[1], u[6], &v[1], &v[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[2], u[5], &v[2], &v[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[3], u[4], &v[3], &v[4], &clamp_lo, &clamp_hi);
v[8] = u[8];
v[9] = u[9];
x = _mm_mullo_epi32(u[10], cospi32);
y = _mm_mullo_epi32(u[13], cospi32);
v[10] = _mm_sub_epi32(y, x);
v[10] = _mm_add_epi32(v[10], rnding);
v[10] = _mm_srai_epi32(v[10], bit);
v[13] = _mm_add_epi32(x, y);
v[13] = _mm_add_epi32(v[13], rnding);
v[13] = _mm_srai_epi32(v[13], bit);
x = _mm_mullo_epi32(u[11], cospi32);
y = _mm_mullo_epi32(u[12], cospi32);
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] = _mm_add_epi32(x, y);
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 7
addsub_sse4_1(v[0], v[15], out + 0, out + 15, &clamp_lo, &clamp_hi);
addsub_sse4_1(v[1], v[14], out + 1, out + 14, &clamp_lo, &clamp_hi);
addsub_sse4_1(v[2], v[13], out + 2, out + 13, &clamp_lo, &clamp_hi);
addsub_sse4_1(v[3], v[12], out + 3, out + 12, &clamp_lo, &clamp_hi);
addsub_sse4_1(v[4], v[11], out + 4, out + 11, &clamp_lo, &clamp_hi);
addsub_sse4_1(v[5], v[10], out + 5, out + 10, &clamp_lo, &clamp_hi);
addsub_sse4_1(v[6], v[9], out + 6, out + 9, &clamp_lo, &clamp_hi);
addsub_sse4_1(v[7], v[8], out + 7, out + 8, &clamp_lo, &clamp_hi);
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out =
_mm_set1_epi32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo_out, &clamp_hi_out, 16);
}
}
}
static void iadst16x16_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
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));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
const __m128i zero = _mm_setzero_si128();
__m128i u[16], v[16], x, y;
// Calculate the column 0, 1, 2, 3
// stage 0
// stage 1
// stage 2
v[0] = _mm_mullo_epi32(in[15], cospi2);
x = _mm_mullo_epi32(in[0], 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], cospi62);
x = _mm_mullo_epi32(in[0], 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], cospi10);
x = _mm_mullo_epi32(in[2], 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], cospi54);
x = _mm_mullo_epi32(in[2], 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], cospi18);
x = _mm_mullo_epi32(in[4], 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], cospi46);
x = _mm_mullo_epi32(in[4], 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], cospi26);
x = _mm_mullo_epi32(in[6], 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], cospi38);
x = _mm_mullo_epi32(in[6], 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], cospi34);
x = _mm_mullo_epi32(in[8], 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], cospi30);
x = _mm_mullo_epi32(in[8], 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], cospi42);
x = _mm_mullo_epi32(in[10], 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], cospi22);
x = _mm_mullo_epi32(in[10], 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], cospi50);
x = _mm_mullo_epi32(in[12], 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], cospi14);
x = _mm_mullo_epi32(in[12], 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], cospi58);
x = _mm_mullo_epi32(in[14], 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], cospi6);
x = _mm_mullo_epi32(in[14], 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
addsub_sse4_1(v[0], v[8], &u[0], &u[8], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[1], v[9], &u[1], &u[9], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[2], v[10], &u[2], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[3], v[11], &u[3], &u[11], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[4], v[12], &u[4], &u[12], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[5], v[13], &u[5], &u[13], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[6], v[14], &u[6], &u[14], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[7], v[15], &u[7], &u[15], &clamp_lo, &clamp_hi);
// 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
addsub_sse4_1(v[0], v[4], &u[0], &u[4], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[1], v[5], &u[1], &u[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[2], v[6], &u[2], &u[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[3], v[7], &u[3], &u[7], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[8], v[12], &u[8], &u[12], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[9], v[13], &u[9], &u[13], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[10], v[14], &u[10], &u[14], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[11], v[15], &u[11], &u[15], &clamp_lo, &clamp_hi);
// 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
addsub_sse4_1(v[0], v[2], &u[0], &u[2], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[1], v[3], &u[1], &u[3], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[4], v[6], &u[4], &u[6], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[5], v[7], &u[5], &u[7], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[8], v[10], &u[8], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[9], v[11], &u[9], &u[11], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[12], v[14], &u[12], &u[14], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[13], v[15], &u[13], &u[15], &clamp_lo, &clamp_hi);
// 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
if (do_cols) {
out[0] = v[0];
out[1] = _mm_sub_epi32(zero, v[8]);
out[2] = v[12];
out[3] = _mm_sub_epi32(zero, v[4]);
out[4] = v[6];
out[5] = _mm_sub_epi32(zero, v[14]);
out[6] = v[10];
out[7] = _mm_sub_epi32(zero, v[2]);
out[8] = v[3];
out[9] = _mm_sub_epi32(zero, v[11]);
out[10] = v[15];
out[11] = _mm_sub_epi32(zero, v[7]);
out[12] = v[5];
out[13] = _mm_sub_epi32(zero, v[13]);
out[14] = v[9];
out[15] = _mm_sub_epi32(zero, v[1]);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
neg_shift_sse4_1(v[0], v[8], out + 0, out + 1, &clamp_lo_out, &clamp_hi_out,
out_shift);
neg_shift_sse4_1(v[12], v[4], out + 2, out + 3, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[6], v[14], out + 4, out + 5, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[10], v[2], out + 6, out + 7, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[3], v[11], out + 8, out + 9, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[15], v[7], out + 10, out + 11, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[5], v[13], out + 12, out + 13, &clamp_lo_out,
&clamp_hi_out, out_shift);
neg_shift_sse4_1(v[9], v[1], out + 14, out + 15, &clamp_lo_out,
&clamp_hi_out, out_shift);
}
}
static void iidentity16_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
(void)bit;
__m128i fact = _mm_set1_epi32(2 * NewSqrt2);
__m128i offset = _mm_set1_epi32(1 << (NewSqrt2Bits - 1));
__m128i a0_low, a0_high, a1_low, a1_high;
__m128i zero = _mm_set1_epi32(0);
offset = _mm_unpacklo_epi32(offset, zero);
for (int i = 0; i < 16; i++) {
a0_low = _mm_mul_epi32(in[i], fact);
a0_low = _mm_add_epi32(a0_low, offset);
a0_low = _mm_srli_epi64(a0_low, NewSqrt2Bits);
a0_high = _mm_srli_si128(in[i], 4);
a0_high = _mm_mul_epi32(a0_high, fact);
a0_high = _mm_add_epi32(a0_high, offset);
a0_high = _mm_srli_epi64(a0_high, NewSqrt2Bits);
a1_low = _mm_unpacklo_epi32(a0_low, a0_high);
a1_high = _mm_unpackhi_epi32(a0_low, a0_high);
out[i] = _mm_unpacklo_epi64(a1_low, a1_high);
}
if (!do_cols) {
const int log_range = AOMMAX(16, bd + 6);
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
round_shift_8x8(out, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo, &clamp_hi, 16);
}
}
static INLINE void idct64_stage8_sse4_1(
__m128i *u, const __m128i *cospim32, const __m128i *cospi32,
const __m128i *cospim16, const __m128i *cospi48, const __m128i *cospi16,
const __m128i *cospim48, const __m128i *clamp_lo, const __m128i *clamp_hi,
const __m128i *rnding, int bit) {
int i;
__m128i temp1, temp2, temp3, temp4;
temp1 = half_btf_sse4_1(cospim32, &u[10], cospi32, &u[13], rnding, bit);
u[13] = half_btf_sse4_1(cospi32, &u[10], cospi32, &u[13], rnding, bit);
u[10] = temp1;
temp2 = half_btf_sse4_1(cospim32, &u[11], cospi32, &u[12], rnding, bit);
u[12] = half_btf_sse4_1(cospi32, &u[11], cospi32, &u[12], rnding, bit);
u[11] = temp2;
for (i = 16; i < 20; ++i) {
addsub_sse4_1(u[i], u[i ^ 7], &u[i], &u[i ^ 7], clamp_lo, clamp_hi);
addsub_sse4_1(u[i ^ 15], u[i ^ 8], &u[i ^ 15], &u[i ^ 8], clamp_lo,
clamp_hi);
}
temp1 = half_btf_sse4_1(cospim16, &u[36], cospi48, &u[59], rnding, bit);
temp2 = half_btf_sse4_1(cospim16, &u[37], cospi48, &u[58], rnding, bit);
temp3 = half_btf_sse4_1(cospim16, &u[38], cospi48, &u[57], rnding, bit);
temp4 = half_btf_sse4_1(cospim16, &u[39], cospi48, &u[56], rnding, bit);
u[56] = half_btf_sse4_1(cospi48, &u[39], cospi16, &u[56], rnding, bit);
u[57] = half_btf_sse4_1(cospi48, &u[38], cospi16, &u[57], rnding, bit);
u[58] = half_btf_sse4_1(cospi48, &u[37], cospi16, &u[58], rnding, bit);
u[59] = half_btf_sse4_1(cospi48, &u[36], cospi16, &u[59], rnding, bit);
u[36] = temp1;
u[37] = temp2;
u[38] = temp3;
u[39] = temp4;
temp1 = half_btf_sse4_1(cospim48, &u[40], cospim16, &u[55], rnding, bit);
temp2 = half_btf_sse4_1(cospim48, &u[41], cospim16, &u[54], rnding, bit);
temp3 = half_btf_sse4_1(cospim48, &u[42], cospim16, &u[53], rnding, bit);
temp4 = half_btf_sse4_1(cospim48, &u[43], cospim16, &u[52], rnding, bit);
u[52] = half_btf_sse4_1(cospim16, &u[43], cospi48, &u[52], rnding, bit);
u[53] = half_btf_sse4_1(cospim16, &u[42], cospi48, &u[53], rnding, bit);
u[54] = half_btf_sse4_1(cospim16, &u[41], cospi48, &u[54], rnding, bit);
u[55] = half_btf_sse4_1(cospim16, &u[40], cospi48, &u[55], rnding, bit);
u[40] = temp1;
u[41] = temp2;
u[42] = temp3;
u[43] = temp4;
}
static INLINE void idct64_stage9_sse4_1(__m128i *u, const __m128i *cospim32,
const __m128i *cospi32,
const __m128i *clamp_lo,
const __m128i *clamp_hi,
const __m128i *rnding, int bit) {
int i;
__m128i temp1, temp2, temp3, temp4;
for (i = 0; i < 8; ++i) {
addsub_sse4_1(u[i], u[15 - i], &u[i], &u[15 - i], clamp_lo, clamp_hi);
}
temp1 = half_btf_sse4_1(cospim32, &u[20], cospi32, &u[27], rnding, bit);
temp2 = half_btf_sse4_1(cospim32, &u[21], cospi32, &u[26], rnding, bit);
temp3 = half_btf_sse4_1(cospim32, &u[22], cospi32, &u[25], rnding, bit);
temp4 = half_btf_sse4_1(cospim32, &u[23], cospi32, &u[24], rnding, bit);
u[24] = half_btf_sse4_1(cospi32, &u[23], cospi32, &u[24], rnding, bit);
u[25] = half_btf_sse4_1(cospi32, &u[22], cospi32, &u[25], rnding, bit);
u[26] = half_btf_sse4_1(cospi32, &u[21], cospi32, &u[26], rnding, bit);
u[27] = half_btf_sse4_1(cospi32, &u[20], cospi32, &u[27], rnding, bit);
u[20] = temp1;
u[21] = temp2;
u[22] = temp3;
u[23] = temp4;
for (i = 32; i < 40; i++) {
addsub_sse4_1(u[i], u[i ^ 15], &u[i], &u[i ^ 15], clamp_lo, clamp_hi);
}
for (i = 48; i < 56; i++) {
addsub_sse4_1(u[i ^ 15], u[i], &u[i ^ 15], &u[i], clamp_lo, clamp_hi);
}
}
static INLINE void idct64_stage10_sse4_1(__m128i *u, const __m128i *cospim32,
const __m128i *cospi32,
const __m128i *clamp_lo,
const __m128i *clamp_hi,
const __m128i *rnding, int bit) {
__m128i temp1, temp2, temp3, temp4;
for (int i = 0; i < 16; i++) {
addsub_sse4_1(u[i], u[31 - i], &u[i], &u[31 - i], clamp_lo, clamp_hi);
}
temp1 = half_btf_sse4_1(cospim32, &u[40], cospi32, &u[55], rnding, bit);
temp2 = half_btf_sse4_1(cospim32, &u[41], cospi32, &u[54], rnding, bit);
temp3 = half_btf_sse4_1(cospim32, &u[42], cospi32, &u[53], rnding, bit);
temp4 = half_btf_sse4_1(cospim32, &u[43], cospi32, &u[52], rnding, bit);
u[52] = half_btf_sse4_1(cospi32, &u[43], cospi32, &u[52], rnding, bit);
u[53] = half_btf_sse4_1(cospi32, &u[42], cospi32, &u[53], rnding, bit);
u[54] = half_btf_sse4_1(cospi32, &u[41], cospi32, &u[54], rnding, bit);
u[55] = half_btf_sse4_1(cospi32, &u[40], cospi32, &u[55], rnding, bit);
u[40] = temp1;
u[41] = temp2;
u[42] = temp3;
u[43] = temp4;
temp1 = half_btf_sse4_1(cospim32, &u[44], cospi32, &u[51], rnding, bit);
temp2 = half_btf_sse4_1(cospim32, &u[45], cospi32, &u[50], rnding, bit);
temp3 = half_btf_sse4_1(cospim32, &u[46], cospi32, &u[49], rnding, bit);
temp4 = half_btf_sse4_1(cospim32, &u[47], cospi32, &u[48], rnding, bit);
u[48] = half_btf_sse4_1(cospi32, &u[47], cospi32, &u[48], rnding, bit);
u[49] = half_btf_sse4_1(cospi32, &u[46], cospi32, &u[49], rnding, bit);
u[50] = half_btf_sse4_1(cospi32, &u[45], cospi32, &u[50], rnding, bit);
u[51] = half_btf_sse4_1(cospi32, &u[44], cospi32, &u[51], rnding, bit);
u[44] = temp1;
u[45] = temp2;
u[46] = temp3;
u[47] = temp4;
}
static INLINE void idct64_stage11_sse4_1(__m128i *u, __m128i *out, int do_cols,
int bd, int out_shift,
const __m128i *clamp_lo,
const __m128i *clamp_hi) {
for (int i = 0; i < 32; i++) {
addsub_sse4_1(u[i], u[63 - i], out + i, out + 63 - i, clamp_lo, clamp_hi);
}
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
for (int i = 0; i < 64; i += 4) {
round_shift_4x4(out + i, out_shift);
highbd_clamp_epi32_sse4_1(out + i, out + i, &clamp_lo_out, &clamp_hi_out,
4);
}
}
}
static void idct64x64_low1_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
__m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
__m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
{
__m128i x;
// stage 1
// stage 2
// stage 3
// stage 4
// stage 5
// stage 6
x = half_btf_0_sse4_1(&cospi32, &in[0], &rnding, bit);
// stage 8
// stage 9
// stage 10
// stage 11
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
clamp_lo = _mm_set1_epi32(-(1 << (log_range_out - 1)));
clamp_hi = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
if (out_shift != 0) {
__m128i offset = _mm_set1_epi32((1 << out_shift) >> 1);
x = _mm_add_epi32(x, offset);
x = _mm_sra_epi32(x, _mm_cvtsi32_si128(out_shift));
}
}
x = _mm_max_epi32(x, clamp_lo);
x = _mm_min_epi32(x, clamp_hi);
out[0] = x;
out[1] = x;
out[2] = x;
out[3] = x;
out[4] = x;
out[5] = x;
out[6] = x;
out[7] = x;
out[8] = x;
out[9] = x;
out[10] = x;
out[11] = x;
out[12] = x;
out[13] = x;
out[14] = x;
out[15] = x;
out[16] = x;
out[17] = x;
out[18] = x;
out[19] = x;
out[20] = x;
out[21] = x;
out[22] = x;
out[23] = x;
out[24] = x;
out[25] = x;
out[26] = x;
out[27] = x;
out[28] = x;
out[29] = x;
out[30] = x;
out[31] = x;
out[32] = x;
out[33] = x;
out[34] = x;
out[35] = x;
out[36] = x;
out[37] = x;
out[38] = x;
out[39] = x;
out[40] = x;
out[41] = x;
out[42] = x;
out[43] = x;
out[44] = x;
out[45] = x;
out[46] = x;
out[47] = x;
out[48] = x;
out[49] = x;
out[50] = x;
out[51] = x;
out[52] = x;
out[53] = x;
out[54] = x;
out[55] = x;
out[56] = x;
out[57] = x;
out[58] = x;
out[59] = x;
out[60] = x;
out[61] = x;
out[62] = x;
out[63] = x;
}
}
static void idct64x64_low8_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
int i, j;
const int32_t *cospi = cospi_arr(bit);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
const __m128i cospi1 = _mm_set1_epi32(cospi[1]);
const __m128i cospi2 = _mm_set1_epi32(cospi[2]);
const __m128i cospi3 = _mm_set1_epi32(cospi[3]);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospi6 = _mm_set1_epi32(cospi[6]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospi20 = _mm_set1_epi32(cospi[20]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi44 = _mm_set1_epi32(cospi[44]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospim4 = _mm_set1_epi32(-cospi[4]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospim12 = _mm_set1_epi32(-cospi[12]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i cospim20 = _mm_set1_epi32(-cospi[20]);
const __m128i cospim24 = _mm_set1_epi32(-cospi[24]);
const __m128i cospim28 = _mm_set1_epi32(-cospi[28]);
const __m128i cospim32 = _mm_set1_epi32(-cospi[32]);
const __m128i cospim36 = _mm_set1_epi32(-cospi[36]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospim52 = _mm_set1_epi32(-cospi[52]);
const __m128i cospim56 = _mm_set1_epi32(-cospi[56]);
const __m128i cospi63 = _mm_set1_epi32(cospi[63]);
const __m128i cospim57 = _mm_set1_epi32(-cospi[57]);
const __m128i cospi7 = _mm_set1_epi32(cospi[7]);
const __m128i cospi5 = _mm_set1_epi32(cospi[5]);
const __m128i cospi59 = _mm_set1_epi32(cospi[59]);
const __m128i cospim61 = _mm_set1_epi32(-cospi[61]);
const __m128i cospim58 = _mm_set1_epi32(-cospi[58]);
const __m128i cospi62 = _mm_set1_epi32(cospi[62]);
{
__m128i u[64];
// stage 1
u[0] = in[0];
u[8] = in[4];
u[16] = in[2];
u[24] = in[6];
u[32] = in[1];
u[40] = in[5];
u[48] = in[3];
u[56] = in[7];
// stage 2
u[63] = half_btf_0_sse4_1(&cospi1, &u[32], &rnding, bit);
u[32] = half_btf_0_sse4_1(&cospi63, &u[32], &rnding, bit);
u[39] = half_btf_0_sse4_1(&cospim57, &u[56], &rnding, bit);
u[56] = half_btf_0_sse4_1(&cospi7, &u[56], &rnding, bit);
u[55] = half_btf_0_sse4_1(&cospi5, &u[40], &rnding, bit);
u[40] = half_btf_0_sse4_1(&cospi59, &u[40], &rnding, bit);
u[47] = half_btf_0_sse4_1(&cospim61, &u[48], &rnding, bit);
u[48] = half_btf_0_sse4_1(&cospi3, &u[48], &rnding, bit);
// stage 3
u[31] = half_btf_0_sse4_1(&cospi2, &u[16], &rnding, bit);
u[16] = half_btf_0_sse4_1(&cospi62, &u[16], &rnding, bit);
u[23] = half_btf_0_sse4_1(&cospim58, &u[24], &rnding, bit);
u[24] = half_btf_0_sse4_1(&cospi6, &u[24], &rnding, bit);
u[33] = u[32];
u[38] = u[39];
u[41] = u[40];
u[46] = u[47];
u[49] = u[48];
u[54] = u[55];
u[57] = u[56];
u[62] = u[63];
// stage 4
__m128i temp1, temp2;
u[15] = half_btf_0_sse4_1(&cospi4, &u[8], &rnding, bit);
u[8] = half_btf_0_sse4_1(&cospi60, &u[8], &rnding, bit);
u[17] = u[16];
u[22] = u[23];
u[25] = u[24];
u[30] = u[31];
temp1 = half_btf_sse4_1(&cospim4, &u[33], &cospi60, &u[62], &rnding, bit);
u[62] = half_btf_sse4_1(&cospi60, &u[33], &cospi4, &u[62], &rnding, bit);
u[33] = temp1;
temp2 = half_btf_sse4_1(&cospim36, &u[38], &cospi28, &u[57], &rnding, bit);
u[38] = half_btf_sse4_1(&cospim28, &u[38], &cospim36, &u[57], &rnding, bit);
u[57] = temp2;
temp1 = half_btf_sse4_1(&cospim20, &u[41], &cospi44, &u[54], &rnding, bit);
u[54] = half_btf_sse4_1(&cospi44, &u[41], &cospi20, &u[54], &rnding, bit);
u[41] = temp1;
temp2 = half_btf_sse4_1(&cospim12, &u[46], &cospim52, &u[49], &rnding, bit);
u[49] = half_btf_sse4_1(&cospim52, &u[46], &cospi12, &u[49], &rnding, bit);
u[46] = temp2;
// stage 5
u[9] = u[8];
u[14] = u[15];
temp1 = half_btf_sse4_1(&cospim8, &u[17], &cospi56, &u[30], &rnding, bit);
u[30] = half_btf_sse4_1(&cospi56, &u[17], &cospi8, &u[30], &rnding, bit);
u[17] = temp1;
temp2 = half_btf_sse4_1(&cospim24, &u[22], &cospim40, &u[25], &rnding, bit);
u[25] = half_btf_sse4_1(&cospim40, &u[22], &cospi24, &u[25], &rnding, bit);
u[22] = temp2;
u[35] = u[32];
u[34] = u[33];
u[36] = u[39];
u[37] = u[38];
u[43] = u[40];
u[42] = u[41];
u[44] = u[47];
u[45] = u[46];
u[51] = u[48];
u[50] = u[49];
u[52] = u[55];
u[53] = u[54];
u[59] = u[56];
u[58] = u[57];
u[60] = u[63];
u[61] = u[62];
// stage 6
temp1 = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit);
u[1] = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit);
u[0] = temp1;
temp2 = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit);
u[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit);
u[9] = temp2;
u[19] = u[16];
u[18] = u[17];
u[20] = u[23];
u[21] = u[22];
u[27] = u[24];
u[26] = u[25];
u[28] = u[31];
u[29] = u[30];
temp1 = half_btf_sse4_1(&cospim8, &u[34], &cospi56, &u[61], &rnding, bit);
u[61] = half_btf_sse4_1(&cospi56, &u[34], &cospi8, &u[61], &rnding, bit);
u[34] = temp1;
temp2 = half_btf_sse4_1(&cospim8, &u[35], &cospi56, &u[60], &rnding, bit);
u[60] = half_btf_sse4_1(&cospi56, &u[35], &cospi8, &u[60], &rnding, bit);
u[35] = temp2;
temp1 = half_btf_sse4_1(&cospim56, &u[36], &cospim8, &u[59], &rnding, bit);
u[59] = half_btf_sse4_1(&cospim8, &u[36], &cospi56, &u[59], &rnding, bit);
u[36] = temp1;
temp2 = half_btf_sse4_1(&cospim56, &u[37], &cospim8, &u[58], &rnding, bit);
u[58] = half_btf_sse4_1(&cospim8, &u[37], &cospi56, &u[58], &rnding, bit);
u[37] = temp2;
temp1 = half_btf_sse4_1(&cospim40, &u[42], &cospi24, &u[53], &rnding, bit);
u[53] = half_btf_sse4_1(&cospi24, &u[42], &cospi40, &u[53], &rnding, bit);
u[42] = temp1;
temp2 = half_btf_sse4_1(&cospim40, &u[43], &cospi24, &u[52], &rnding, bit);
u[52] = half_btf_sse4_1(&cospi24, &u[43], &cospi40, &u[52], &rnding, bit);
u[43] = temp2;
temp1 = half_btf_sse4_1(&cospim24, &u[44], &cospim40, &u[51], &rnding, bit);
u[51] = half_btf_sse4_1(&cospim40, &u[44], &cospi24, &u[51], &rnding, bit);
u[44] = temp1;
temp2 = half_btf_sse4_1(&cospim24, &u[45], &cospim40, &u[50], &rnding, bit);
u[50] = half_btf_sse4_1(&cospim40, &u[45], &cospi24, &u[50], &rnding, bit);
u[45] = temp2;
// stage 7
u[3] = u[0];
u[2] = u[1];
u[11] = u[8];
u[10] = u[9];
u[12] = u[15];
u[13] = u[14];
temp1 = half_btf_sse4_1(&cospim16, &u[18], &cospi48, &u[29], &rnding, bit);
u[29] = half_btf_sse4_1(&cospi48, &u[18], &cospi16, &u[29], &rnding, bit);
u[18] = temp1;
temp2 = half_btf_sse4_1(&cospim16, &u[19], &cospi48, &u[28], &rnding, bit);
u[28] = half_btf_sse4_1(&cospi48, &u[19], &cospi16, &u[28], &rnding, bit);
u[19] = temp2;
temp1 = half_btf_sse4_1(&cospim48, &u[20], &cospim16, &u[27], &rnding, bit);
u[27] = half_btf_sse4_1(&cospim16, &u[20], &cospi48, &u[27], &rnding, bit);
u[20] = temp1;
temp2 = half_btf_sse4_1(&cospim48, &u[21], &cospim16, &u[26], &rnding, bit);
u[26] = half_btf_sse4_1(&cospim16, &u[21], &cospi48, &u[26], &rnding, bit);
u[21] = temp2;
for (i = 32; i < 64; i += 16) {
for (j = i; j < i + 4; j++) {
addsub_sse4_1(u[j], u[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[j ^ 15], u[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo,
&clamp_hi);
}
}
// stage 8
u[7] = u[0];
u[6] = u[1];
u[5] = u[2];
u[4] = u[3];
idct64_stage8_sse4_1(u, &cospim32, &cospi32, &cospim16, &cospi48, &cospi16,
&cospim48, &clamp_lo, &clamp_hi, &rnding, bit);
// stage 9
idct64_stage9_sse4_1(u, &cospim32, &cospi32, &clamp_lo, &clamp_hi, &rnding,
bit);
// stage 10
idct64_stage10_sse4_1(u, &cospim32, &cospi32, &clamp_lo, &clamp_hi, &rnding,
bit);
// stage 11
idct64_stage11_sse4_1(u, out, do_cols, bd, out_shift, &clamp_lo, &clamp_hi);
}
}
static void idct64x64_low16_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
int i, j;
const int32_t *cospi = cospi_arr(bit);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
const __m128i cospi1 = _mm_set1_epi32(cospi[1]);
const __m128i cospi2 = _mm_set1_epi32(cospi[2]);
const __m128i cospi3 = _mm_set1_epi32(cospi[3]);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospi5 = _mm_set1_epi32(cospi[5]);
const __m128i cospi6 = _mm_set1_epi32(cospi[6]);
const __m128i cospi7 = _mm_set1_epi32(cospi[7]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi9 = _mm_set1_epi32(cospi[9]);
const __m128i cospi10 = _mm_set1_epi32(cospi[10]);
const __m128i cospi11 = _mm_set1_epi32(cospi[11]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospi13 = _mm_set1_epi32(cospi[13]);
const __m128i cospi14 = _mm_set1_epi32(cospi[14]);
const __m128i cospi15 = _mm_set1_epi32(cospi[15]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospi20 = _mm_set1_epi32(cospi[20]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i cospi36 = _mm_set1_epi32(cospi[36]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi44 = _mm_set1_epi32(cospi[44]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospi51 = _mm_set1_epi32(cospi[51]);
const __m128i cospi52 = _mm_set1_epi32(cospi[52]);
const __m128i cospi54 = _mm_set1_epi32(cospi[54]);
const __m128i cospi55 = _mm_set1_epi32(cospi[55]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi59 = _mm_set1_epi32(cospi[59]);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospi62 = _mm_set1_epi32(cospi[62]);
const __m128i cospi63 = _mm_set1_epi32(cospi[63]);
const __m128i cospim4 = _mm_set1_epi32(-cospi[4]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospim12 = _mm_set1_epi32(-cospi[12]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i cospim20 = _mm_set1_epi32(-cospi[20]);
const __m128i cospim24 = _mm_set1_epi32(-cospi[24]);
const __m128i cospim28 = _mm_set1_epi32(-cospi[28]);
const __m128i cospim32 = _mm_set1_epi32(-cospi[32]);
const __m128i cospim36 = _mm_set1_epi32(-cospi[36]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospim44 = _mm_set1_epi32(-cospi[44]);
const __m128i cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospim49 = _mm_set1_epi32(-cospi[49]);
const __m128i cospim50 = _mm_set1_epi32(-cospi[50]);
const __m128i cospim52 = _mm_set1_epi32(-cospi[52]);
const __m128i cospim53 = _mm_set1_epi32(-cospi[53]);
const __m128i cospim56 = _mm_set1_epi32(-cospi[56]);
const __m128i cospim57 = _mm_set1_epi32(-cospi[57]);
const __m128i cospim58 = _mm_set1_epi32(-cospi[58]);
const __m128i cospim60 = _mm_set1_epi32(-cospi[60]);
const __m128i cospim61 = _mm_set1_epi32(-cospi[61]);
{
__m128i u[64];
__m128i tmp1, tmp2, tmp3, tmp4;
// stage 1
u[0] = in[0];
u[32] = in[1];
u[36] = in[9];
u[40] = in[5];
u[44] = in[13];
u[48] = in[3];
u[52] = in[11];
u[56] = in[7];
u[60] = in[15];
u[16] = in[2];
u[20] = in[10];
u[24] = in[6];
u[28] = in[14];
u[4] = in[8];
u[8] = in[4];
u[12] = in[12];
// stage 2
u[63] = half_btf_0_sse4_1(&cospi1, &u[32], &rnding, bit);
u[32] = half_btf_0_sse4_1(&cospi63, &u[32], &rnding, bit);
u[35] = half_btf_0_sse4_1(&cospim49, &u[60], &rnding, bit);
u[60] = half_btf_0_sse4_1(&cospi15, &u[60], &rnding, bit);
u[59] = half_btf_0_sse4_1(&cospi9, &u[36], &rnding, bit);
u[36] = half_btf_0_sse4_1(&cospi55, &u[36], &rnding, bit);
u[39] = half_btf_0_sse4_1(&cospim57, &u[56], &rnding, bit);
u[56] = half_btf_0_sse4_1(&cospi7, &u[56], &rnding, bit);
u[55] = half_btf_0_sse4_1(&cospi5, &u[40], &rnding, bit);
u[40] = half_btf_0_sse4_1(&cospi59, &u[40], &rnding, bit);
u[43] = half_btf_0_sse4_1(&cospim53, &u[52], &rnding, bit);
u[52] = half_btf_0_sse4_1(&cospi11, &u[52], &rnding, bit);
u[47] = half_btf_0_sse4_1(&cospim61, &u[48], &rnding, bit);
u[48] = half_btf_0_sse4_1(&cospi3, &u[48], &rnding, bit);
u[51] = half_btf_0_sse4_1(&cospi13, &u[44], &rnding, bit);
u[44] = half_btf_0_sse4_1(&cospi51, &u[44], &rnding, bit);
// stage 3
u[31] = half_btf_0_sse4_1(&cospi2, &u[16], &rnding, bit);
u[16] = half_btf_0_sse4_1(&cospi62, &u[16], &rnding, bit);
u[19] = half_btf_0_sse4_1(&cospim50, &u[28], &rnding, bit);
u[28] = half_btf_0_sse4_1(&cospi14, &u[28], &rnding, bit);
u[27] = half_btf_0_sse4_1(&cospi10, &u[20], &rnding, bit);
u[20] = half_btf_0_sse4_1(&cospi54, &u[20], &rnding, bit);
u[23] = half_btf_0_sse4_1(&cospim58, &u[24], &rnding, bit);
u[24] = half_btf_0_sse4_1(&cospi6, &u[24], &rnding, bit);
u[33] = u[32];
u[34] = u[35];
u[37] = u[36];
u[38] = u[39];
u[41] = u[40];
u[42] = u[43];
u[45] = u[44];
u[46] = u[47];
u[49] = u[48];
u[50] = u[51];
u[53] = u[52];
u[54] = u[55];
u[57] = u[56];
u[58] = u[59];
u[61] = u[60];
u[62] = u[63];
// stage 4
u[15] = half_btf_0_sse4_1(&cospi4, &u[8], &rnding, bit);
u[8] = half_btf_0_sse4_1(&cospi60, &u[8], &rnding, bit);
u[11] = half_btf_0_sse4_1(&cospim52, &u[12], &rnding, bit);
u[12] = half_btf_0_sse4_1(&cospi12, &u[12], &rnding, bit);
u[17] = u[16];
u[18] = u[19];
u[21] = u[20];
u[22] = u[23];
u[25] = u[24];
u[26] = u[27];
u[29] = u[28];
u[30] = u[31];
tmp1 = half_btf_sse4_1(&cospim4, &u[33], &cospi60, &u[62], &rnding, bit);
tmp2 = half_btf_sse4_1(&cospim60, &u[34], &cospim4, &u[61], &rnding, bit);
tmp3 = half_btf_sse4_1(&cospim36, &u[37], &cospi28, &u[58], &rnding, bit);
tmp4 = half_btf_sse4_1(&cospim28, &u[38], &cospim36, &u[57], &rnding, bit);
u[57] = half_btf_sse4_1(&cospim36, &u[38], &cospi28, &u[57], &rnding, bit);
u[58] = half_btf_sse4_1(&cospi28, &u[37], &cospi36, &u[58], &rnding, bit);
u[61] = half_btf_sse4_1(&cospim4, &u[34], &cospi60, &u[61], &rnding, bit);
u[62] = half_btf_sse4_1(&cospi60, &u[33], &cospi4, &u[62], &rnding, bit);
u[33] = tmp1;
u[34] = tmp2;
u[37] = tmp3;
u[38] = tmp4;
tmp1 = half_btf_sse4_1(&cospim20, &u[41], &cospi44, &u[54], &rnding, bit);
tmp2 = half_btf_sse4_1(&cospim44, &u[42], &cospim20, &u[53], &rnding, bit);
tmp3 = half_btf_sse4_1(&cospim52, &u[45], &cospi12, &u[50], &rnding, bit);
tmp4 = half_btf_sse4_1(&cospim12, &u[46], &cospim52, &u[49], &rnding, bit);
u[49] = half_btf_sse4_1(&cospim52, &u[46], &cospi12, &u[49], &rnding, bit);
u[50] = half_btf_sse4_1(&cospi12, &u[45], &cospi52, &u[50], &rnding, bit);
u[53] = half_btf_sse4_1(&cospim20, &u[42], &cospi44, &u[53], &rnding, bit);
u[54] = half_btf_sse4_1(&cospi44, &u[41], &cospi20, &u[54], &rnding, bit);
u[41] = tmp1;
u[42] = tmp2;
u[45] = tmp3;
u[46] = tmp4;
// stage 5
u[7] = half_btf_0_sse4_1(&cospi8, &u[4], &rnding, bit);
u[4] = half_btf_0_sse4_1(&cospi56, &u[4], &rnding, bit);
u[9] = u[8];
u[10] = u[11];
u[13] = u[12];
u[14] = u[15];
tmp1 = half_btf_sse4_1(&cospim8, &u[17], &cospi56, &u[30], &rnding, bit);
tmp2 = half_btf_sse4_1(&cospim56, &u[18], &cospim8, &u[29], &rnding, bit);
tmp3 = half_btf_sse4_1(&cospim40, &u[21], &cospi24, &u[26], &rnding, bit);
tmp4 = half_btf_sse4_1(&cospim24, &u[22], &cospim40, &u[25], &rnding, bit);
u[25] = half_btf_sse4_1(&cospim40, &u[22], &cospi24, &u[25], &rnding, bit);
u[26] = half_btf_sse4_1(&cospi24, &u[21], &cospi40, &u[26], &rnding, bit);
u[29] = half_btf_sse4_1(&cospim8, &u[18], &cospi56, &u[29], &rnding, bit);
u[30] = half_btf_sse4_1(&cospi56, &u[17], &cospi8, &u[30], &rnding, bit);
u[17] = tmp1;
u[18] = tmp2;
u[21] = tmp3;
u[22] = tmp4;
for (i = 32; i < 64; i += 8) {
addsub_sse4_1(u[i + 0], u[i + 3], &u[i + 0], &u[i + 3], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 1], u[i + 2], &u[i + 1], &u[i + 2], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 7], u[i + 4], &u[i + 7], &u[i + 4], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 6], u[i + 5], &u[i + 6], &u[i + 5], &clamp_lo,
&clamp_hi);
}
// stage 6
tmp1 = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit);
u[1] = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit);
u[0] = tmp1;
u[5] = u[4];
u[6] = u[7];
tmp1 = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit);
u[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit);
u[9] = tmp1;
tmp2 = half_btf_sse4_1(&cospim48, &u[10], &cospim16, &u[13], &rnding, bit);
u[13] = half_btf_sse4_1(&cospim16, &u[10], &cospi48, &u[13], &rnding, bit);
u[10] = tmp2;
for (i = 16; i < 32; i += 8) {
addsub_sse4_1(u[i + 0], u[i + 3], &u[i + 0], &u[i + 3], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 1], u[i + 2], &u[i + 1], &u[i + 2], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 7], u[i + 4], &u[i + 7], &u[i + 4], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 6], u[i + 5], &u[i + 6], &u[i + 5], &clamp_lo,
&clamp_hi);
}
tmp1 = half_btf_sse4_1(&cospim8, &u[34], &cospi56, &u[61], &rnding, bit);
tmp2 = half_btf_sse4_1(&cospim8, &u[35], &cospi56, &u[60], &rnding, bit);
tmp3 = half_btf_sse4_1(&cospim56, &u[36], &cospim8, &u[59], &rnding, bit);
tmp4 = half_btf_sse4_1(&cospim56, &u[37], &cospim8, &u[58], &rnding, bit);
u[58] = half_btf_sse4_1(&cospim8, &u[37], &cospi56, &u[58], &rnding, bit);
u[59] = half_btf_sse4_1(&cospim8, &u[36], &cospi56, &u[59], &rnding, bit);
u[60] = half_btf_sse4_1(&cospi56, &u[35], &cospi8, &u[60], &rnding, bit);
u[61] = half_btf_sse4_1(&cospi56, &u[34], &cospi8, &u[61], &rnding, bit);
u[34] = tmp1;
u[35] = tmp2;
u[36] = tmp3;
u[37] = tmp4;
tmp1 = half_btf_sse4_1(&cospim40, &u[42], &cospi24, &u[53], &rnding, bit);
tmp2 = half_btf_sse4_1(&cospim40, &u[43], &cospi24, &u[52], &rnding, bit);
tmp3 = half_btf_sse4_1(&cospim24, &u[44], &cospim40, &u[51], &rnding, bit);
tmp4 = half_btf_sse4_1(&cospim24, &u[45], &cospim40, &u[50], &rnding, bit);
u[50] = half_btf_sse4_1(&cospim40, &u[45], &cospi24, &u[50], &rnding, bit);
u[51] = half_btf_sse4_1(&cospim40, &u[44], &cospi24, &u[51], &rnding, bit);
u[52] = half_btf_sse4_1(&cospi24, &u[43], &cospi40, &u[52], &rnding, bit);
u[53] = half_btf_sse4_1(&cospi24, &u[42], &cospi40, &u[53], &rnding, bit);
u[42] = tmp1;
u[43] = tmp2;
u[44] = tmp3;
u[45] = tmp4;
// stage 7
u[3] = u[0];
u[2] = u[1];
tmp1 = half_btf_sse4_1(&cospim32, &u[5], &cospi32, &u[6], &rnding, bit);
u[6] = half_btf_sse4_1(&cospi32, &u[5], &cospi32, &u[6], &rnding, bit);
u[5] = tmp1;
addsub_sse4_1(u[8], u[11], &u[8], &u[11], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[9], u[10], &u[9], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[15], u[12], &u[15], &u[12], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[14], u[13], &u[14], &u[13], &clamp_lo, &clamp_hi);
tmp1 = half_btf_sse4_1(&cospim16, &u[18], &cospi48, &u[29], &rnding, bit);
tmp2 = half_btf_sse4_1(&cospim16, &u[19], &cospi48, &u[28], &rnding, bit);
tmp3 = half_btf_sse4_1(&cospim48, &u[20], &cospim16, &u[27], &rnding, bit);
tmp4 = half_btf_sse4_1(&cospim48, &u[21], &cospim16, &u[26], &rnding, bit);
u[26] = half_btf_sse4_1(&cospim16, &u[21], &cospi48, &u[26], &rnding, bit);
u[27] = half_btf_sse4_1(&cospim16, &u[20], &cospi48, &u[27], &rnding, bit);
u[28] = half_btf_sse4_1(&cospi48, &u[19], &cospi16, &u[28], &rnding, bit);
u[29] = half_btf_sse4_1(&cospi48, &u[18], &cospi16, &u[29], &rnding, bit);
u[18] = tmp1;
u[19] = tmp2;
u[20] = tmp3;
u[21] = tmp4;
for (i = 32; i < 64; i += 16) {
for (j = i; j < i + 4; j++) {
addsub_sse4_1(u[j], u[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[j ^ 15], u[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo,
&clamp_hi);
}
}
// stage 8
for (i = 0; i < 4; ++i) {
addsub_sse4_1(u[i], u[7 - i], &u[i], &u[7 - i], &clamp_lo, &clamp_hi);
}
idct64_stage8_sse4_1(u, &cospim32, &cospi32, &cospim16, &cospi48, &cospi16,
&cospim48, &clamp_lo, &clamp_hi, &rnding, bit);
// stage 9
idct64_stage9_sse4_1(u, &cospim32, &cospi32, &clamp_lo, &clamp_hi, &rnding,
bit);
// stage 10
idct64_stage10_sse4_1(u, &cospim32, &cospi32, &clamp_lo, &clamp_hi, &rnding,
bit);
// stage 11
idct64_stage11_sse4_1(u, out, do_cols, bd, out_shift, &clamp_lo, &clamp_hi);
}
}
static void idct64x64_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
int i, j;
const int32_t *cospi = cospi_arr(bit);
const __m128i rnding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
const __m128i cospi1 = _mm_set1_epi32(cospi[1]);
const __m128i cospi2 = _mm_set1_epi32(cospi[2]);
const __m128i cospi3 = _mm_set1_epi32(cospi[3]);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospi5 = _mm_set1_epi32(cospi[5]);
const __m128i cospi6 = _mm_set1_epi32(cospi[6]);
const __m128i cospi7 = _mm_set1_epi32(cospi[7]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospi9 = _mm_set1_epi32(cospi[9]);
const __m128i cospi10 = _mm_set1_epi32(cospi[10]);
const __m128i cospi11 = _mm_set1_epi32(cospi[11]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospi13 = _mm_set1_epi32(cospi[13]);
const __m128i cospi14 = _mm_set1_epi32(cospi[14]);
const __m128i cospi15 = _mm_set1_epi32(cospi[15]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospi17 = _mm_set1_epi32(cospi[17]);
const __m128i cospi18 = _mm_set1_epi32(cospi[18]);
const __m128i cospi19 = _mm_set1_epi32(cospi[19]);
const __m128i cospi20 = _mm_set1_epi32(cospi[20]);
const __m128i cospi21 = _mm_set1_epi32(cospi[21]);
const __m128i cospi22 = _mm_set1_epi32(cospi[22]);
const __m128i cospi23 = _mm_set1_epi32(cospi[23]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi25 = _mm_set1_epi32(cospi[25]);
const __m128i cospi26 = _mm_set1_epi32(cospi[26]);
const __m128i cospi27 = _mm_set1_epi32(cospi[27]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
const __m128i cospi29 = _mm_set1_epi32(cospi[29]);
const __m128i cospi30 = _mm_set1_epi32(cospi[30]);
const __m128i cospi31 = _mm_set1_epi32(cospi[31]);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i cospi35 = _mm_set1_epi32(cospi[35]);
const __m128i cospi36 = _mm_set1_epi32(cospi[36]);
const __m128i cospi38 = _mm_set1_epi32(cospi[38]);
const __m128i cospi39 = _mm_set1_epi32(cospi[39]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi43 = _mm_set1_epi32(cospi[43]);
const __m128i cospi44 = _mm_set1_epi32(cospi[44]);
const __m128i cospi46 = _mm_set1_epi32(cospi[46]);
const __m128i cospi47 = _mm_set1_epi32(cospi[47]);
const __m128i cospi48 = _mm_set1_epi32(cospi[48]);
const __m128i cospi51 = _mm_set1_epi32(cospi[51]);
const __m128i cospi52 = _mm_set1_epi32(cospi[52]);
const __m128i cospi54 = _mm_set1_epi32(cospi[54]);
const __m128i cospi55 = _mm_set1_epi32(cospi[55]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi59 = _mm_set1_epi32(cospi[59]);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospi62 = _mm_set1_epi32(cospi[62]);
const __m128i cospi63 = _mm_set1_epi32(cospi[63]);
const __m128i cospim4 = _mm_set1_epi32(-cospi[4]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospim12 = _mm_set1_epi32(-cospi[12]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i cospim20 = _mm_set1_epi32(-cospi[20]);
const __m128i cospim24 = _mm_set1_epi32(-cospi[24]);
const __m128i cospim28 = _mm_set1_epi32(-cospi[28]);
const __m128i cospim32 = _mm_set1_epi32(-cospi[32]);
const __m128i cospim33 = _mm_set1_epi32(-cospi[33]);
const __m128i cospim34 = _mm_set1_epi32(-cospi[34]);
const __m128i cospim36 = _mm_set1_epi32(-cospi[36]);
const __m128i cospim37 = _mm_set1_epi32(-cospi[37]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospim41 = _mm_set1_epi32(-cospi[41]);
const __m128i cospim42 = _mm_set1_epi32(-cospi[42]);
const __m128i cospim44 = _mm_set1_epi32(-cospi[44]);
const __m128i cospim45 = _mm_set1_epi32(-cospi[45]);
const __m128i cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospim49 = _mm_set1_epi32(-cospi[49]);
const __m128i cospim50 = _mm_set1_epi32(-cospi[50]);
const __m128i cospim52 = _mm_set1_epi32(-cospi[52]);
const __m128i cospim53 = _mm_set1_epi32(-cospi[53]);
const __m128i cospim56 = _mm_set1_epi32(-cospi[56]);
const __m128i cospim57 = _mm_set1_epi32(-cospi[57]);
const __m128i cospim58 = _mm_set1_epi32(-cospi[58]);
const __m128i cospim60 = _mm_set1_epi32(-cospi[60]);
const __m128i cospim61 = _mm_set1_epi32(-cospi[61]);
{
__m128i u[64], v[64];
// stage 1
u[32] = in[1];
u[34] = in[17];
u[36] = in[9];
u[38] = in[25];
u[40] = in[5];
u[42] = in[21];
u[44] = in[13];
u[46] = in[29];
u[48] = in[3];
u[50] = in[19];
u[52] = in[11];
u[54] = in[27];
u[56] = in[7];
u[58] = in[23];
u[60] = in[15];
u[62] = in[31];
v[16] = in[2];
v[18] = in[18];
v[20] = in[10];
v[22] = in[26];
v[24] = in[6];
v[26] = in[22];
v[28] = in[14];
v[30] = in[30];
u[8] = in[4];
u[10] = in[20];
u[12] = in[12];
u[14] = in[28];
v[4] = in[8];
v[6] = in[24];
u[0] = in[0];
u[2] = in[16];
// stage 2
v[32] = half_btf_0_sse4_1(&cospi63, &u[32], &rnding, bit);
v[33] = half_btf_0_sse4_1(&cospim33, &u[62], &rnding, bit);
v[34] = half_btf_0_sse4_1(&cospi47, &u[34], &rnding, bit);
v[35] = half_btf_0_sse4_1(&cospim49, &u[60], &rnding, bit);
v[36] = half_btf_0_sse4_1(&cospi55, &u[36], &rnding, bit);
v[37] = half_btf_0_sse4_1(&cospim41, &u[58], &rnding, bit);
v[38] = half_btf_0_sse4_1(&cospi39, &u[38], &rnding, bit);
v[39] = half_btf_0_sse4_1(&cospim57, &u[56], &rnding, bit);
v[40] = half_btf_0_sse4_1(&cospi59, &u[40], &rnding, bit);
v[41] = half_btf_0_sse4_1(&cospim37, &u[54], &rnding, bit);
v[42] = half_btf_0_sse4_1(&cospi43, &u[42], &rnding, bit);
v[43] = half_btf_0_sse4_1(&cospim53, &u[52], &rnding, bit);
v[44] = half_btf_0_sse4_1(&cospi51, &u[44], &rnding, bit);
v[45] = half_btf_0_sse4_1(&cospim45, &u[50], &rnding, bit);
v[46] = half_btf_0_sse4_1(&cospi35, &u[46], &rnding, bit);
v[47] = half_btf_0_sse4_1(&cospim61, &u[48], &rnding, bit);
v[48] = half_btf_0_sse4_1(&cospi3, &u[48], &rnding, bit);
v[49] = half_btf_0_sse4_1(&cospi29, &u[46], &rnding, bit);
v[50] = half_btf_0_sse4_1(&cospi19, &u[50], &rnding, bit);
v[51] = half_btf_0_sse4_1(&cospi13, &u[44], &rnding, bit);
v[52] = half_btf_0_sse4_1(&cospi11, &u[52], &rnding, bit);
v[53] = half_btf_0_sse4_1(&cospi21, &u[42], &rnding, bit);
v[54] = half_btf_0_sse4_1(&cospi27, &u[54], &rnding, bit);
v[55] = half_btf_0_sse4_1(&cospi5, &u[40], &rnding, bit);
v[56] = half_btf_0_sse4_1(&cospi7, &u[56], &rnding, bit);
v[57] = half_btf_0_sse4_1(&cospi25, &u[38], &rnding, bit);
v[58] = half_btf_0_sse4_1(&cospi23, &u[58], &rnding, bit);
v[59] = half_btf_0_sse4_1(&cospi9, &u[36], &rnding, bit);
v[60] = half_btf_0_sse4_1(&cospi15, &u[60], &rnding, bit);
v[61] = half_btf_0_sse4_1(&cospi17, &u[34], &rnding, bit);
v[62] = half_btf_0_sse4_1(&cospi31, &u[62], &rnding, bit);
v[63] = half_btf_0_sse4_1(&cospi1, &u[32], &rnding, bit);
// stage 3
u[16] = half_btf_0_sse4_1(&cospi62, &v[16], &rnding, bit);
u[17] = half_btf_0_sse4_1(&cospim34, &v[30], &rnding, bit);
u[18] = half_btf_0_sse4_1(&cospi46, &v[18], &rnding, bit);
u[19] = half_btf_0_sse4_1(&cospim50, &v[28], &rnding, bit);
u[20] = half_btf_0_sse4_1(&cospi54, &v[20], &rnding, bit);
u[21] = half_btf_0_sse4_1(&cospim42, &v[26], &rnding, bit);
u[22] = half_btf_0_sse4_1(&cospi38, &v[22], &rnding, bit);
u[23] = half_btf_0_sse4_1(&cospim58, &v[24], &rnding, bit);
u[24] = half_btf_0_sse4_1(&cospi6, &v[24], &rnding, bit);
u[25] = half_btf_0_sse4_1(&cospi26, &v[22], &rnding, bit);
u[26] = half_btf_0_sse4_1(&cospi22, &v[26], &rnding, bit);
u[27] = half_btf_0_sse4_1(&cospi10, &v[20], &rnding, bit);
u[28] = half_btf_0_sse4_1(&cospi14, &v[28], &rnding, bit);
u[29] = half_btf_0_sse4_1(&cospi18, &v[18], &rnding, bit);
u[30] = half_btf_0_sse4_1(&cospi30, &v[30], &rnding, bit);
u[31] = half_btf_0_sse4_1(&cospi2, &v[16], &rnding, bit);
for (i = 32; i < 64; i += 4) {
addsub_sse4_1(v[i + 0], v[i + 1], &u[i + 0], &u[i + 1], &clamp_lo,
&clamp_hi);
addsub_sse4_1(v[i + 3], v[i + 2], &u[i + 3], &u[i + 2], &clamp_lo,
&clamp_hi);
}
// stage 4
v[8] = half_btf_0_sse4_1(&cospi60, &u[8], &rnding, bit);
v[9] = half_btf_0_sse4_1(&cospim36, &u[14], &rnding, bit);
v[10] = half_btf_0_sse4_1(&cospi44, &u[10], &rnding, bit);
v[11] = half_btf_0_sse4_1(&cospim52, &u[12], &rnding, bit);
v[12] = half_btf_0_sse4_1(&cospi12, &u[12], &rnding, bit);
v[13] = half_btf_0_sse4_1(&cospi20, &u[10], &rnding, bit);
v[14] = half_btf_0_sse4_1(&cospi28, &u[14], &rnding, bit);
v[15] = half_btf_0_sse4_1(&cospi4, &u[8], &rnding, bit);
for (i = 16; i < 32; i += 4) {
addsub_sse4_1(u[i + 0], u[i + 1], &v[i + 0], &v[i + 1], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 3], u[i + 2], &v[i + 3], &v[i + 2], &clamp_lo,
&clamp_hi);
}
for (i = 32; i < 64; i += 4) {
v[i + 0] = u[i + 0];
v[i + 3] = u[i + 3];
}
v[33] = half_btf_sse4_1(&cospim4, &u[33], &cospi60, &u[62], &rnding, bit);
v[34] = half_btf_sse4_1(&cospim60, &u[34], &cospim4, &u[61], &rnding, bit);
v[37] = half_btf_sse4_1(&cospim36, &u[37], &cospi28, &u[58], &rnding, bit);
v[38] = half_btf_sse4_1(&cospim28, &u[38], &cospim36, &u[57], &rnding, bit);
v[41] = half_btf_sse4_1(&cospim20, &u[41], &cospi44, &u[54], &rnding, bit);
v[42] = half_btf_sse4_1(&cospim44, &u[42], &cospim20, &u[53], &rnding, bit);
v[45] = half_btf_sse4_1(&cospim52, &u[45], &cospi12, &u[50], &rnding, bit);
v[46] = half_btf_sse4_1(&cospim12, &u[46], &cospim52, &u[49], &rnding, bit);
v[49] = half_btf_sse4_1(&cospim52, &u[46], &cospi12, &u[49], &rnding, bit);
v[50] = half_btf_sse4_1(&cospi12, &u[45], &cospi52, &u[50], &rnding, bit);
v[53] = half_btf_sse4_1(&cospim20, &u[42], &cospi44, &u[53], &rnding, bit);
v[54] = half_btf_sse4_1(&cospi44, &u[41], &cospi20, &u[54], &rnding, bit);
v[57] = half_btf_sse4_1(&cospim36, &u[38], &cospi28, &u[57], &rnding, bit);
v[58] = half_btf_sse4_1(&cospi28, &u[37], &cospi36, &u[58], &rnding, bit);
v[61] = half_btf_sse4_1(&cospim4, &u[34], &cospi60, &u[61], &rnding, bit);
v[62] = half_btf_sse4_1(&cospi60, &u[33], &cospi4, &u[62], &rnding, bit);
// stage 5
u[4] = half_btf_0_sse4_1(&cospi56, &v[4], &rnding, bit);
u[5] = half_btf_0_sse4_1(&cospim40, &v[6], &rnding, bit);
u[6] = half_btf_0_sse4_1(&cospi24, &v[6], &rnding, bit);
u[7] = half_btf_0_sse4_1(&cospi8, &v[4], &rnding, bit);
for (i = 8; i < 16; i += 4) {
addsub_sse4_1(v[i + 0], v[i + 1], &u[i + 0], &u[i + 1], &clamp_lo,
&clamp_hi);
addsub_sse4_1(v[i + 3], v[i + 2], &u[i + 3], &u[i + 2], &clamp_lo,
&clamp_hi);
}
for (i = 16; i < 32; i += 4) {
u[i + 0] = v[i + 0];
u[i + 3] = v[i + 3];
}
u[17] = half_btf_sse4_1(&cospim8, &v[17], &cospi56, &v[30], &rnding, bit);
u[18] = half_btf_sse4_1(&cospim56, &v[18], &cospim8, &v[29], &rnding, bit);
u[21] = half_btf_sse4_1(&cospim40, &v[21], &cospi24, &v[26], &rnding, bit);
u[22] = half_btf_sse4_1(&cospim24, &v[22], &cospim40, &v[25], &rnding, bit);
u[25] = half_btf_sse4_1(&cospim40, &v[22], &cospi24, &v[25], &rnding, bit);
u[26] = half_btf_sse4_1(&cospi24, &v[21], &cospi40, &v[26], &rnding, bit);
u[29] = half_btf_sse4_1(&cospim8, &v[18], &cospi56, &v[29], &rnding, bit);
u[30] = half_btf_sse4_1(&cospi56, &v[17], &cospi8, &v[30], &rnding, bit);
for (i = 32; i < 64; i += 8) {
addsub_sse4_1(v[i + 0], v[i + 3], &u[i + 0], &u[i + 3], &clamp_lo,
&clamp_hi);
addsub_sse4_1(v[i + 1], v[i + 2], &u[i + 1], &u[i + 2], &clamp_lo,
&clamp_hi);
addsub_sse4_1(v[i + 7], v[i + 4], &u[i + 7], &u[i + 4], &clamp_lo,
&clamp_hi);
addsub_sse4_1(v[i + 6], v[i + 5], &u[i + 6], &u[i + 5], &clamp_lo,
&clamp_hi);
}
// stage 6
v[0] = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit);
v[1] = half_btf_0_sse4_1(&cospi32, &u[0], &rnding, bit);
v[2] = half_btf_0_sse4_1(&cospi48, &u[2], &rnding, bit);
v[3] = half_btf_0_sse4_1(&cospi16, &u[2], &rnding, bit);
addsub_sse4_1(u[4], u[5], &v[4], &v[5], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[7], u[6], &v[7], &v[6], &clamp_lo, &clamp_hi);
for (i = 8; i < 16; i += 4) {
v[i + 0] = u[i + 0];
v[i + 3] = u[i + 3];
}
v[9] = half_btf_sse4_1(&cospim16, &u[9], &cospi48, &u[14], &rnding, bit);
v[10] = half_btf_sse4_1(&cospim48, &u[10], &cospim16, &u[13], &rnding, bit);
v[13] = half_btf_sse4_1(&cospim16, &u[10], &cospi48, &u[13], &rnding, bit);
v[14] = half_btf_sse4_1(&cospi48, &u[9], &cospi16, &u[14], &rnding, bit);
for (i = 16; i < 32; i += 8) {
addsub_sse4_1(u[i + 0], u[i + 3], &v[i + 0], &v[i + 3], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 1], u[i + 2], &v[i + 1], &v[i + 2], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 7], u[i + 4], &v[i + 7], &v[i + 4], &clamp_lo,
&clamp_hi);
addsub_sse4_1(u[i + 6], u[i + 5], &v[i + 6], &v[i + 5], &clamp_lo,
&clamp_hi);
}
for (i = 32; i < 64; i += 8) {
v[i + 0] = u[i + 0];
v[i + 1] = u[i + 1];
v[i + 6] = u[i + 6];
v[i + 7] = u[i + 7];
}
v[34] = half_btf_sse4_1(&cospim8, &u[34], &cospi56, &u[61], &rnding, bit);
v[35] = half_btf_sse4_1(&cospim8, &u[35], &cospi56, &u[60], &rnding, bit);
v[36] = half_btf_sse4_1(&cospim56, &u[36], &cospim8, &u[59], &rnding, bit);
v[37] = half_btf_sse4_1(&cospim56, &u[37], &cospim8, &u[58], &rnding, bit);
v[42] = half_btf_sse4_1(&cospim40, &u[42], &cospi24, &u[53], &rnding, bit);
v[43] = half_btf_sse4_1(&cospim40, &u[43], &cospi24, &u[52], &rnding, bit);
v[44] = half_btf_sse4_1(&cospim24, &u[44], &cospim40, &u[51], &rnding, bit);
v[45] = half_btf_sse4_1(&cospim24, &u[45], &cospim40, &u[50], &rnding, bit);
v[50] = half_btf_sse4_1(&cospim40, &u[45], &cospi24, &u[50], &rnding, bit);
v[51] = half_btf_sse4_1(&cospim40, &u[44], &cospi24, &u[51], &rnding, bit);
v[52] = half_btf_sse4_1(&cospi24, &u[43], &cospi40, &u[52], &rnding, bit);
v[53] = half_btf_sse4_1(&cospi24, &u[42], &cospi40, &u[53], &rnding, bit);
v[58] = half_btf_sse4_1(&cospim8, &u[37], &cospi56, &u[58], &rnding, bit);
v[59] = half_btf_sse4_1(&cospim8, &u[36], &cospi56, &u[59], &rnding, bit);
v[60] = half_btf_sse4_1(&cospi56, &u[35], &cospi8, &u[60], &rnding, bit);
v[61] = half_btf_sse4_1(&cospi56, &u[34], &cospi8, &u[61], &rnding, bit);
// stage 7
addsub_sse4_1(v[0], v[3], &u[0], &u[3], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[1], v[2], &u[1], &u[2], &clamp_lo, &clamp_hi);
u[4] = v[4];
u[7] = v[7];
u[5] = half_btf_sse4_1(&cospim32, &v[5], &cospi32, &v[6], &rnding, bit);
u[6] = half_btf_sse4_1(&cospi32, &v[5], &cospi32, &v[6], &rnding, bit);
addsub_sse4_1(v[8], v[11], &u[8], &u[11], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[9], v[10], &u[9], &u[10], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[15], v[12], &u[15], &u[12], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[14], v[13], &u[14], &u[13], &clamp_lo, &clamp_hi);
for (i = 16; i < 32; i += 8) {
u[i + 0] = v[i + 0];
u[i + 1] = v[i + 1];
u[i + 6] = v[i + 6];
u[i + 7] = v[i + 7];
}
u[18] = half_btf_sse4_1(&cospim16, &v[18], &cospi48, &v[29], &rnding, bit);
u[19] = half_btf_sse4_1(&cospim16, &v[19], &cospi48, &v[28], &rnding, bit);
u[20] = half_btf_sse4_1(&cospim48, &v[20], &cospim16, &v[27], &rnding, bit);
u[21] = half_btf_sse4_1(&cospim48, &v[21], &cospim16, &v[26], &rnding, bit);
u[26] = half_btf_sse4_1(&cospim16, &v[21], &cospi48, &v[26], &rnding, bit);
u[27] = half_btf_sse4_1(&cospim16, &v[20], &cospi48, &v[27], &rnding, bit);
u[28] = half_btf_sse4_1(&cospi48, &v[19], &cospi16, &v[28], &rnding, bit);
u[29] = half_btf_sse4_1(&cospi48, &v[18], &cospi16, &v[29], &rnding, bit);
for (i = 32; i < 64; i += 16) {
for (j = i; j < i + 4; j++) {
addsub_sse4_1(v[j], v[j ^ 7], &u[j], &u[j ^ 7], &clamp_lo, &clamp_hi);
addsub_sse4_1(v[j ^ 15], v[j ^ 8], &u[j ^ 15], &u[j ^ 8], &clamp_lo,
&clamp_hi);
}
}
// stage 8
for (i = 0; i < 4; ++i) {
addsub_sse4_1(u[i], u[7 - i], &v[i], &v[7 - i], &clamp_lo, &clamp_hi);
}
v[8] = u[8];
v[9] = u[9];
v[14] = u[14];
v[15] = u[15];
v[10] = half_btf_sse4_1(&cospim32, &u[10], &cospi32, &u[13], &rnding, bit);
v[11] = half_btf_sse4_1(&cospim32, &u[11], &cospi32, &u[12], &rnding, bit);
v[12] = half_btf_sse4_1(&cospi32, &u[11], &cospi32, &u[12], &rnding, bit);
v[13] = half_btf_sse4_1(&cospi32, &u[10], &cospi32, &u[13], &rnding, bit);
for (i = 16; i < 20; ++i) {
addsub_sse4_1(u[i], u[i ^ 7], &v[i], &v[i ^ 7], &clamp_lo, &clamp_hi);
addsub_sse4_1(u[i ^ 15], u[i ^ 8], &v[i ^ 15], &v[i ^ 8], &clamp_lo,
&clamp_hi);
}
for (i = 32; i < 36; ++i) {
v[i] = u[i];
v[i + 12] = u[i + 12];
v[i + 16] = u[i + 16];
v[i + 28] = u[i + 28];
}
v[36] = half_btf_sse4_1(&cospim16, &u[36], &cospi48, &u[59], &rnding, bit);
v[37] = half_btf_sse4_1(&cospim16, &u[37], &cospi48, &u[58], &rnding, bit);
v[38] = half_btf_sse4_1(&cospim16, &u[38], &cospi48, &u[57], &rnding, bit);
v[39] = half_btf_sse4_1(&cospim16, &u[39], &cospi48, &u[56], &rnding, bit);
v[40] = half_btf_sse4_1(&cospim48, &u[40], &cospim16, &u[55], &rnding, bit);
v[41] = half_btf_sse4_1(&cospim48, &u[41], &cospim16, &u[54], &rnding, bit);
v[42] = half_btf_sse4_1(&cospim48, &u[42], &cospim16, &u[53], &rnding, bit);
v[43] = half_btf_sse4_1(&cospim48, &u[43], &cospim16, &u[52], &rnding, bit);
v[52] = half_btf_sse4_1(&cospim16, &u[43], &cospi48, &u[52], &rnding, bit);
v[53] = half_btf_sse4_1(&cospim16, &u[42], &cospi48, &u[53], &rnding, bit);
v[54] = half_btf_sse4_1(&cospim16, &u[41], &cospi48, &u[54], &rnding, bit);
v[55] = half_btf_sse4_1(&cospim16, &u[40], &cospi48, &u[55], &rnding, bit);
v[56] = half_btf_sse4_1(&cospi48, &u[39], &cospi16, &u[56], &rnding, bit);
v[57] = half_btf_sse4_1(&cospi48, &u[38], &cospi16, &u[57], &rnding, bit);
v[58] = half_btf_sse4_1(&cospi48, &u[37], &cospi16, &u[58], &rnding, bit);
v[59] = half_btf_sse4_1(&cospi48, &u[36], &cospi16, &u[59], &rnding, bit);
// stage 9
for (i = 0; i < 8; ++i) {
addsub_sse4_1(v[i], v[15 - i], &u[i], &u[15 - i], &clamp_lo, &clamp_hi);
}
for (i = 16; i < 20; ++i) {
u[i] = v[i];
u[i + 12] = v[i + 12];
}
u[20] = half_btf_sse4_1(&cospim32, &v[20], &cospi32, &v[27], &rnding, bit);
u[21] = half_btf_sse4_1(&cospim32, &v[21], &cospi32, &v[26], &rnding, bit);
u[22] = half_btf_sse4_1(&cospim32, &v[22], &cospi32, &v[25], &rnding, bit);
u[23] = half_btf_sse4_1(&cospim32, &v[23], &cospi32, &v[24], &rnding, bit);
u[24] = half_btf_sse4_1(&cospi32, &v[23], &cospi32, &v[24], &rnding, bit);
u[25] = half_btf_sse4_1(&cospi32, &v[22], &cospi32, &v[25], &rnding, bit);
u[26] = half_btf_sse4_1(&cospi32, &v[21], &cospi32, &v[26], &rnding, bit);
u[27] = half_btf_sse4_1(&cospi32, &v[20], &cospi32, &v[27], &rnding, bit);
for (i = 32; i < 40; i++) {
addsub_sse4_1(v[i], v[i ^ 15], &u[i], &u[i ^ 15], &clamp_lo, &clamp_hi);
}
for (i = 48; i < 56; i++) {
addsub_sse4_1(v[i ^ 15], v[i], &u[i ^ 15], &u[i], &clamp_lo, &clamp_hi);
}
// stage 10
for (i = 0; i < 16; i++) {
addsub_sse4_1(u[i], u[31 - i], &v[i], &v[31 - i], &clamp_lo, &clamp_hi);
}
for (i = 32; i < 40; i++) v[i] = u[i];
v[40] = half_btf_sse4_1(&cospim32, &u[40], &cospi32, &u[55], &rnding, bit);
v[41] = half_btf_sse4_1(&cospim32, &u[41], &cospi32, &u[54], &rnding, bit);
v[42] = half_btf_sse4_1(&cospim32, &u[42], &cospi32, &u[53], &rnding, bit);
v[43] = half_btf_sse4_1(&cospim32, &u[43], &cospi32, &u[52], &rnding, bit);
v[44] = half_btf_sse4_1(&cospim32, &u[44], &cospi32, &u[51], &rnding, bit);
v[45] = half_btf_sse4_1(&cospim32, &u[45], &cospi32, &u[50], &rnding, bit);
v[46] = half_btf_sse4_1(&cospim32, &u[46], &cospi32, &u[49], &rnding, bit);
v[47] = half_btf_sse4_1(&cospim32, &u[47], &cospi32, &u[48], &rnding, bit);
v[48] = half_btf_sse4_1(&cospi32, &u[47], &cospi32, &u[48], &rnding, bit);
v[49] = half_btf_sse4_1(&cospi32, &u[46], &cospi32, &u[49], &rnding, bit);
v[50] = half_btf_sse4_1(&cospi32, &u[45], &cospi32, &u[50], &rnding, bit);
v[51] = half_btf_sse4_1(&cospi32, &u[44], &cospi32, &u[51], &rnding, bit);
v[52] = half_btf_sse4_1(&cospi32, &u[43], &cospi32, &u[52], &rnding, bit);
v[53] = half_btf_sse4_1(&cospi32, &u[42], &cospi32, &u[53], &rnding, bit);
v[54] = half_btf_sse4_1(&cospi32, &u[41], &cospi32, &u[54], &rnding, bit);
v[55] = half_btf_sse4_1(&cospi32, &u[40], &cospi32, &u[55], &rnding, bit);
for (i = 56; i < 64; i++) v[i] = u[i];
// stage 11
for (i = 0; i < 32; i++) {
addsub_sse4_1(v[i], v[63 - i], &out[(i)], &out[(63 - i)], &clamp_lo,
&clamp_hi);
}
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out =
_mm_set1_epi32((1 << (log_range_out - 1)) - 1);
for (i = 0; i < 64; i += 4) {
round_shift_4x4(out + i, out_shift);
highbd_clamp_epi32_sse4_1(out + i, out + i, &clamp_lo_out,
&clamp_hi_out, 4);
}
}
}
}
static void idct32x32_low1_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi32 = _mm_set1_epi32(cospi[32]);
const __m128i rounding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
__m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
__m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i bf1;
// stage 0
// stage 1
bf1 = in[0];
// stage 2
// stage 3
// stage 4
// stage 5
bf1 = half_btf_0_sse4_1(&cospi32, &bf1, &rounding, bit);
// stage 6
// stage 7
// stage 8
// stage 9
if (do_cols) {
bf1 = _mm_max_epi32(bf1, clamp_lo);
bf1 = _mm_min_epi32(bf1, clamp_hi);
} else {
const int log_range_out = AOMMAX(16, bd + 6);
clamp_lo = _mm_set1_epi32(-(1 << (log_range_out - 1)));
clamp_hi = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
if (out_shift != 0) {
__m128i offset = _mm_set1_epi32((1 << out_shift) >> 1);
bf1 = _mm_add_epi32(bf1, offset);
bf1 = _mm_sra_epi32(bf1, _mm_cvtsi32_si128(out_shift));
}
}
bf1 = _mm_max_epi32(bf1, clamp_lo);
bf1 = _mm_min_epi32(bf1, clamp_hi);
out[0] = bf1;
out[1] = bf1;
out[2] = bf1;
out[3] = bf1;
out[4] = bf1;
out[5] = bf1;
out[6] = bf1;
out[7] = bf1;
out[8] = bf1;
out[9] = bf1;
out[10] = bf1;
out[11] = bf1;
out[12] = bf1;
out[13] = bf1;
out[14] = bf1;
out[15] = bf1;
out[16] = bf1;
out[17] = bf1;
out[18] = bf1;
out[19] = bf1;
out[20] = bf1;
out[21] = bf1;
out[22] = bf1;
out[23] = bf1;
out[24] = bf1;
out[25] = bf1;
out[26] = bf1;
out[27] = bf1;
out[28] = bf1;
out[29] = bf1;
out[30] = bf1;
out[31] = bf1;
}
static void idct32x32_low8_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi62 = _mm_set1_epi32(cospi[62]);
const __m128i cospi14 = _mm_set1_epi32(cospi[14]);
const __m128i cospi54 = _mm_set1_epi32(cospi[54]);
const __m128i cospi6 = _mm_set1_epi32(cospi[6]);
const __m128i cospi10 = _mm_set1_epi32(cospi[10]);
const __m128i cospi2 = _mm_set1_epi32(cospi[2]);
const __m128i cospim58 = _mm_set1_epi32(-cospi[58]);
const __m128i cospim50 = _mm_set1_epi32(-cospi[50]);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospim52 = _mm_set1_epi32(-cospi[52]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospim56 = _mm_set1_epi32(-cospi[56]);
const __m128i cospim24 = _mm_set1_epi32(-cospi[24]);
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 cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i rounding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i bf1[32];
// stage 0
// stage 1
bf1[0] = in[0];
bf1[4] = in[4];
bf1[8] = in[2];
bf1[12] = in[6];
bf1[16] = in[1];
bf1[20] = in[5];
bf1[24] = in[3];
bf1[28] = in[7];
// stage 2
bf1[31] = half_btf_0_sse4_1(&cospi2, &bf1[16], &rounding, bit);
bf1[16] = half_btf_0_sse4_1(&cospi62, &bf1[16], &rounding, bit);
bf1[19] = half_btf_0_sse4_1(&cospim50, &bf1[28], &rounding, bit);
bf1[28] = half_btf_0_sse4_1(&cospi14, &bf1[28], &rounding, bit);
bf1[27] = half_btf_0_sse4_1(&cospi10, &bf1[20], &rounding, bit);
bf1[20] = half_btf_0_sse4_1(&cospi54, &bf1[20], &rounding, bit);
bf1[23] = half_btf_0_sse4_1(&cospim58, &bf1[24], &rounding, bit);
bf1[24] = half_btf_0_sse4_1(&cospi6, &bf1[24], &rounding, bit);
// stage 3
bf1[15] = half_btf_0_sse4_1(&cospi4, &bf1[8], &rounding, bit);
bf1[8] = half_btf_0_sse4_1(&cospi60, &bf1[8], &rounding, bit);
bf1[11] = half_btf_0_sse4_1(&cospim52, &bf1[12], &rounding, bit);
bf1[12] = half_btf_0_sse4_1(&cospi12, &bf1[12], &rounding, bit);
bf1[17] = bf1[16];
bf1[18] = bf1[19];
bf1[21] = bf1[20];
bf1[22] = bf1[23];
bf1[25] = bf1[24];
bf1[26] = bf1[27];
bf1[29] = bf1[28];
bf1[30] = bf1[31];
// stage 4 :
bf1[7] = half_btf_0_sse4_1(&cospi8, &bf1[4], &rounding, bit);
bf1[4] = half_btf_0_sse4_1(&cospi56, &bf1[4], &rounding, bit);
bf1[9] = bf1[8];
bf1[10] = bf1[11];
bf1[13] = bf1[12];
bf1[14] = bf1[15];
idct32_stage4_sse4_1(bf1, &cospim8, &cospi56, &cospi8, &cospim56, &cospim40,
&cospi24, &cospi40, &cospim24, &rounding, bit);
// stage 5
bf1[0] = half_btf_0_sse4_1(&cospi32, &bf1[0], &rounding, bit);
bf1[1] = bf1[0];
bf1[5] = bf1[4];
bf1[6] = bf1[7];
idct32_stage5_sse4_1(bf1, &cospim16, &cospi48, &cospi16, &cospim48, &clamp_lo,
&clamp_hi, &rounding, bit);
// stage 6
bf1[3] = bf1[0];
bf1[2] = bf1[1];
idct32_stage6_sse4_1(bf1, &cospim32, &cospi32, &cospim16, &cospi48, &cospi16,
&cospim48, &clamp_lo, &clamp_hi, &rounding, bit);
// stage 7
idct32_stage7_sse4_1(bf1, &cospim32, &cospi32, &clamp_lo, &clamp_hi,
&rounding, bit);
// stage 8
idct32_stage8_sse4_1(bf1, &cospim32, &cospi32, &clamp_lo, &clamp_hi,
&rounding, bit);
// stage 9
idct32_stage9_sse4_1(bf1, out, do_cols, bd, out_shift, &clamp_lo, &clamp_hi);
}
static void idct32x32_low16_sse4_1(__m128i *in, __m128i *out, int bit,
int do_cols, int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi62 = _mm_set1_epi32(cospi[62]);
const __m128i cospi30 = _mm_set1_epi32(cospi[30]);
const __m128i cospi46 = _mm_set1_epi32(cospi[46]);
const __m128i cospi14 = _mm_set1_epi32(cospi[14]);
const __m128i cospi54 = _mm_set1_epi32(cospi[54]);
const __m128i cospi22 = _mm_set1_epi32(cospi[22]);
const __m128i cospi38 = _mm_set1_epi32(cospi[38]);
const __m128i cospi6 = _mm_set1_epi32(cospi[6]);
const __m128i cospi26 = _mm_set1_epi32(cospi[26]);
const __m128i cospi10 = _mm_set1_epi32(cospi[10]);
const __m128i cospi18 = _mm_set1_epi32(cospi[18]);
const __m128i cospi2 = _mm_set1_epi32(cospi[2]);
const __m128i cospim58 = _mm_set1_epi32(-cospi[58]);
const __m128i cospim42 = _mm_set1_epi32(-cospi[42]);
const __m128i cospim50 = _mm_set1_epi32(-cospi[50]);
const __m128i cospim34 = _mm_set1_epi32(-cospi[34]);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
const __m128i cospi44 = _mm_set1_epi32(cospi[44]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospi20 = _mm_set1_epi32(cospi[20]);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospim52 = _mm_set1_epi32(-cospi[52]);
const __m128i cospim36 = _mm_set1_epi32(-cospi[36]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospim56 = _mm_set1_epi32(-cospi[56]);
const __m128i cospim24 = _mm_set1_epi32(-cospi[24]);
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 cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i rounding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i bf1[32];
// stage 0
// stage 1
bf1[0] = in[0];
bf1[2] = in[8];
bf1[4] = in[4];
bf1[6] = in[12];
bf1[8] = in[2];
bf1[10] = in[10];
bf1[12] = in[6];
bf1[14] = in[14];
bf1[16] = in[1];
bf1[18] = in[9];
bf1[20] = in[5];
bf1[22] = in[13];
bf1[24] = in[3];
bf1[26] = in[11];
bf1[28] = in[7];
bf1[30] = in[15];
// stage 2
bf1[31] = half_btf_0_sse4_1(&cospi2, &bf1[16], &rounding, bit);
bf1[16] = half_btf_0_sse4_1(&cospi62, &bf1[16], &rounding, bit);
bf1[17] = half_btf_0_sse4_1(&cospim34, &bf1[30], &rounding, bit);
bf1[30] = half_btf_0_sse4_1(&cospi30, &bf1[30], &rounding, bit);
bf1[29] = half_btf_0_sse4_1(&cospi18, &bf1[18], &rounding, bit);
bf1[18] = half_btf_0_sse4_1(&cospi46, &bf1[18], &rounding, bit);
bf1[19] = half_btf_0_sse4_1(&cospim50, &bf1[28], &rounding, bit);
bf1[28] = half_btf_0_sse4_1(&cospi14, &bf1[28], &rounding, bit);
bf1[27] = half_btf_0_sse4_1(&cospi10, &bf1[20], &rounding, bit);
bf1[20] = half_btf_0_sse4_1(&cospi54, &bf1[20], &rounding, bit);
bf1[21] = half_btf_0_sse4_1(&cospim42, &bf1[26], &rounding, bit);
bf1[26] = half_btf_0_sse4_1(&cospi22, &bf1[26], &rounding, bit);
bf1[25] = half_btf_0_sse4_1(&cospi26, &bf1[22], &rounding, bit);
bf1[22] = half_btf_0_sse4_1(&cospi38, &bf1[22], &rounding, bit);
bf1[23] = half_btf_0_sse4_1(&cospim58, &bf1[24], &rounding, bit);
bf1[24] = half_btf_0_sse4_1(&cospi6, &bf1[24], &rounding, bit);
// stage 3
bf1[15] = half_btf_0_sse4_1(&cospi4, &bf1[8], &rounding, bit);
bf1[8] = half_btf_0_sse4_1(&cospi60, &bf1[8], &rounding, bit);
bf1[9] = half_btf_0_sse4_1(&cospim36, &bf1[14], &rounding, bit);
bf1[14] = half_btf_0_sse4_1(&cospi28, &bf1[14], &rounding, bit);
bf1[13] = half_btf_0_sse4_1(&cospi20, &bf1[10], &rounding, bit);
bf1[10] = half_btf_0_sse4_1(&cospi44, &bf1[10], &rounding, bit);
bf1[11] = half_btf_0_sse4_1(&cospim52, &bf1[12], &rounding, bit);
bf1[12] = half_btf_0_sse4_1(&cospi12, &bf1[12], &rounding, bit);
addsub_sse4_1(bf1[16], bf1[17], bf1 + 16, bf1 + 17, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[19], bf1[18], bf1 + 19, bf1 + 18, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[20], bf1[21], bf1 + 20, bf1 + 21, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[23], bf1[22], bf1 + 23, bf1 + 22, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[24], bf1[25], bf1 + 24, bf1 + 25, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[27], bf1[26], bf1 + 27, bf1 + 26, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[28], bf1[29], bf1 + 28, bf1 + 29, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[31], bf1[30], bf1 + 31, bf1 + 30, &clamp_lo, &clamp_hi);
// stage 4
bf1[7] = half_btf_0_sse4_1(&cospi8, &bf1[4], &rounding, bit);
bf1[4] = half_btf_0_sse4_1(&cospi56, &bf1[4], &rounding, bit);
bf1[5] = half_btf_0_sse4_1(&cospim40, &bf1[6], &rounding, bit);
bf1[6] = half_btf_0_sse4_1(&cospi24, &bf1[6], &rounding, bit);
addsub_sse4_1(bf1[8], bf1[9], bf1 + 8, bf1 + 9, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[11], bf1[10], bf1 + 11, bf1 + 10, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[12], bf1[13], bf1 + 12, bf1 + 13, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[15], bf1[14], bf1 + 15, bf1 + 14, &clamp_lo, &clamp_hi);
idct32_stage4_sse4_1(bf1, &cospim8, &cospi56, &cospi8, &cospim56, &cospim40,
&cospi24, &cospi40, &cospim24, &rounding, bit);
// stage 5
bf1[0] = half_btf_0_sse4_1(&cospi32, &bf1[0], &rounding, bit);
bf1[1] = bf1[0];
bf1[3] = half_btf_0_sse4_1(&cospi16, &bf1[2], &rounding, bit);
bf1[2] = half_btf_0_sse4_1(&cospi48, &bf1[2], &rounding, bit);
addsub_sse4_1(bf1[4], bf1[5], bf1 + 4, bf1 + 5, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[7], bf1[6], bf1 + 7, bf1 + 6, &clamp_lo, &clamp_hi);
idct32_stage5_sse4_1(bf1, &cospim16, &cospi48, &cospi16, &cospim48, &clamp_lo,
&clamp_hi, &rounding, bit);
// stage 6
addsub_sse4_1(bf1[0], bf1[3], bf1 + 0, bf1 + 3, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[1], bf1[2], bf1 + 1, bf1 + 2, &clamp_lo, &clamp_hi);
idct32_stage6_sse4_1(bf1, &cospim32, &cospi32, &cospim16, &cospi48, &cospi16,
&cospim48, &clamp_lo, &clamp_hi, &rounding, bit);
// stage 7
idct32_stage7_sse4_1(bf1, &cospim32, &cospi32, &clamp_lo, &clamp_hi,
&rounding, bit);
// stage 8
idct32_stage8_sse4_1(bf1, &cospim32, &cospi32, &clamp_lo, &clamp_hi,
&rounding, bit);
// stage 9
idct32_stage9_sse4_1(bf1, out, do_cols, bd, out_shift, &clamp_lo, &clamp_hi);
}
static void idct32x32_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
const int32_t *cospi = cospi_arr(bit);
const __m128i cospi62 = _mm_set1_epi32(cospi[62]);
const __m128i cospi30 = _mm_set1_epi32(cospi[30]);
const __m128i cospi46 = _mm_set1_epi32(cospi[46]);
const __m128i cospi14 = _mm_set1_epi32(cospi[14]);
const __m128i cospi54 = _mm_set1_epi32(cospi[54]);
const __m128i cospi22 = _mm_set1_epi32(cospi[22]);
const __m128i cospi38 = _mm_set1_epi32(cospi[38]);
const __m128i cospi6 = _mm_set1_epi32(cospi[6]);
const __m128i cospi58 = _mm_set1_epi32(cospi[58]);
const __m128i cospi26 = _mm_set1_epi32(cospi[26]);
const __m128i cospi42 = _mm_set1_epi32(cospi[42]);
const __m128i cospi10 = _mm_set1_epi32(cospi[10]);
const __m128i cospi50 = _mm_set1_epi32(cospi[50]);
const __m128i cospi18 = _mm_set1_epi32(cospi[18]);
const __m128i cospi34 = _mm_set1_epi32(cospi[34]);
const __m128i cospi2 = _mm_set1_epi32(cospi[2]);
const __m128i cospim58 = _mm_set1_epi32(-cospi[58]);
const __m128i cospim26 = _mm_set1_epi32(-cospi[26]);
const __m128i cospim42 = _mm_set1_epi32(-cospi[42]);
const __m128i cospim10 = _mm_set1_epi32(-cospi[10]);
const __m128i cospim50 = _mm_set1_epi32(-cospi[50]);
const __m128i cospim18 = _mm_set1_epi32(-cospi[18]);
const __m128i cospim34 = _mm_set1_epi32(-cospi[34]);
const __m128i cospim2 = _mm_set1_epi32(-cospi[2]);
const __m128i cospi60 = _mm_set1_epi32(cospi[60]);
const __m128i cospi28 = _mm_set1_epi32(cospi[28]);
const __m128i cospi44 = _mm_set1_epi32(cospi[44]);
const __m128i cospi12 = _mm_set1_epi32(cospi[12]);
const __m128i cospi52 = _mm_set1_epi32(cospi[52]);
const __m128i cospi20 = _mm_set1_epi32(cospi[20]);
const __m128i cospi36 = _mm_set1_epi32(cospi[36]);
const __m128i cospi4 = _mm_set1_epi32(cospi[4]);
const __m128i cospim52 = _mm_set1_epi32(-cospi[52]);
const __m128i cospim20 = _mm_set1_epi32(-cospi[20]);
const __m128i cospim36 = _mm_set1_epi32(-cospi[36]);
const __m128i cospim4 = _mm_set1_epi32(-cospi[4]);
const __m128i cospi56 = _mm_set1_epi32(cospi[56]);
const __m128i cospi24 = _mm_set1_epi32(cospi[24]);
const __m128i cospi40 = _mm_set1_epi32(cospi[40]);
const __m128i cospi8 = _mm_set1_epi32(cospi[8]);
const __m128i cospim40 = _mm_set1_epi32(-cospi[40]);
const __m128i cospim8 = _mm_set1_epi32(-cospi[8]);
const __m128i cospim56 = _mm_set1_epi32(-cospi[56]);
const __m128i cospim24 = _mm_set1_epi32(-cospi[24]);
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 cospim48 = _mm_set1_epi32(-cospi[48]);
const __m128i cospi16 = _mm_set1_epi32(cospi[16]);
const __m128i cospim16 = _mm_set1_epi32(-cospi[16]);
const __m128i rounding = _mm_set1_epi32(1 << (bit - 1));
const int log_range = AOMMAX(16, bd + (do_cols ? 6 : 8));
const __m128i clamp_lo = _mm_set1_epi32(-(1 << (log_range - 1)));
const __m128i clamp_hi = _mm_set1_epi32((1 << (log_range - 1)) - 1);
__m128i bf1[32], bf0[32];
// stage 0
// stage 1
bf1[0] = in[0];
bf1[1] = in[16];
bf1[2] = in[8];
bf1[3] = in[24];
bf1[4] = in[4];
bf1[5] = in[20];
bf1[6] = in[12];
bf1[7] = in[28];
bf1[8] = in[2];
bf1[9] = in[18];
bf1[10] = in[10];
bf1[11] = in[26];
bf1[12] = in[6];
bf1[13] = in[22];
bf1[14] = in[14];
bf1[15] = in[30];
bf1[16] = in[1];
bf1[17] = in[17];
bf1[18] = in[9];
bf1[19] = in[25];
bf1[20] = in[5];
bf1[21] = in[21];
bf1[22] = in[13];
bf1[23] = in[29];
bf1[24] = in[3];
bf1[25] = in[19];
bf1[26] = in[11];
bf1[27] = in[27];
bf1[28] = in[7];
bf1[29] = in[23];
bf1[30] = in[15];
bf1[31] = in[31];
// stage 2
bf0[0] = bf1[0];
bf0[1] = bf1[1];
bf0[2] = bf1[2];
bf0[3] = bf1[3];
bf0[4] = bf1[4];
bf0[5] = bf1[5];
bf0[6] = bf1[6];
bf0[7] = bf1[7];
bf0[8] = bf1[8];
bf0[9] = bf1[9];
bf0[10] = bf1[10];
bf0[11] = bf1[11];
bf0[12] = bf1[12];
bf0[13] = bf1[13];
bf0[14] = bf1[14];
bf0[15] = bf1[15];
bf0[16] =
half_btf_sse4_1(&cospi62, &bf1[16], &cospim2, &bf1[31], &rounding, bit);
bf0[17] =
half_btf_sse4_1(&cospi30, &bf1[17], &cospim34, &bf1[30], &rounding, bit);
bf0[18] =
half_btf_sse4_1(&cospi46, &bf1[18], &cospim18, &bf1[29], &rounding, bit);
bf0[19] =
half_btf_sse4_1(&cospi14, &bf1[19], &cospim50, &bf1[28], &rounding, bit);
bf0[20] =
half_btf_sse4_1(&cospi54, &bf1[20], &cospim10, &bf1[27], &rounding, bit);
bf0[21] =
half_btf_sse4_1(&cospi22, &bf1[21], &cospim42, &bf1[26], &rounding, bit);
bf0[22] =
half_btf_sse4_1(&cospi38, &bf1[22], &cospim26, &bf1[25], &rounding, bit);
bf0[23] =
half_btf_sse4_1(&cospi6, &bf1[23], &cospim58, &bf1[24], &rounding, bit);
bf0[24] =
half_btf_sse4_1(&cospi58, &bf1[23], &cospi6, &bf1[24], &rounding, bit);
bf0[25] =
half_btf_sse4_1(&cospi26, &bf1[22], &cospi38, &bf1[25], &rounding, bit);
bf0[26] =
half_btf_sse4_1(&cospi42, &bf1[21], &cospi22, &bf1[26], &rounding, bit);
bf0[27] =
half_btf_sse4_1(&cospi10, &bf1[20], &cospi54, &bf1[27], &rounding, bit);
bf0[28] =
half_btf_sse4_1(&cospi50, &bf1[19], &cospi14, &bf1[28], &rounding, bit);
bf0[29] =
half_btf_sse4_1(&cospi18, &bf1[18], &cospi46, &bf1[29], &rounding, bit);
bf0[30] =
half_btf_sse4_1(&cospi34, &bf1[17], &cospi30, &bf1[30], &rounding, bit);
bf0[31] =
half_btf_sse4_1(&cospi2, &bf1[16], &cospi62, &bf1[31], &rounding, bit);
// stage 3
bf1[0] = bf0[0];
bf1[1] = bf0[1];
bf1[2] = bf0[2];
bf1[3] = bf0[3];
bf1[4] = bf0[4];
bf1[5] = bf0[5];
bf1[6] = bf0[6];
bf1[7] = bf0[7];
bf1[8] =
half_btf_sse4_1(&cospi60, &bf0[8], &cospim4, &bf0[15], &rounding, bit);
bf1[9] =
half_btf_sse4_1(&cospi28, &bf0[9], &cospim36, &bf0[14], &rounding, bit);
bf1[10] =
half_btf_sse4_1(&cospi44, &bf0[10], &cospim20, &bf0[13], &rounding, bit);
bf1[11] =
half_btf_sse4_1(&cospi12, &bf0[11], &cospim52, &bf0[12], &rounding, bit);
bf1[12] =
half_btf_sse4_1(&cospi52, &bf0[11], &cospi12, &bf0[12], &rounding, bit);
bf1[13] =
half_btf_sse4_1(&cospi20, &bf0[10], &cospi44, &bf0[13], &rounding, bit);
bf1[14] =
half_btf_sse4_1(&cospi36, &bf0[9], &cospi28, &bf0[14], &rounding, bit);
bf1[15] =
half_btf_sse4_1(&cospi4, &bf0[8], &cospi60, &bf0[15], &rounding, bit);
addsub_sse4_1(bf0[16], bf0[17], bf1 + 16, bf1 + 17, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[19], bf0[18], bf1 + 19, bf1 + 18, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[20], bf0[21], bf1 + 20, bf1 + 21, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[23], bf0[22], bf1 + 23, bf1 + 22, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[24], bf0[25], bf1 + 24, bf1 + 25, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[27], bf0[26], bf1 + 27, bf1 + 26, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[28], bf0[29], bf1 + 28, bf1 + 29, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[31], bf0[30], bf1 + 31, bf1 + 30, &clamp_lo, &clamp_hi);
// stage 4
bf0[0] = bf1[0];
bf0[1] = bf1[1];
bf0[2] = bf1[2];
bf0[3] = bf1[3];
bf0[4] =
half_btf_sse4_1(&cospi56, &bf1[4], &cospim8, &bf1[7], &rounding, bit);
bf0[5] =
half_btf_sse4_1(&cospi24, &bf1[5], &cospim40, &bf1[6], &rounding, bit);
bf0[6] =
half_btf_sse4_1(&cospi40, &bf1[5], &cospi24, &bf1[6], &rounding, bit);
bf0[7] = half_btf_sse4_1(&cospi8, &bf1[4], &cospi56, &bf1[7], &rounding, bit);
addsub_sse4_1(bf1[8], bf1[9], bf0 + 8, bf0 + 9, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[11], bf1[10], bf0 + 11, bf0 + 10, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[12], bf1[13], bf0 + 12, bf0 + 13, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[15], bf1[14], bf0 + 15, bf0 + 14, &clamp_lo, &clamp_hi);
bf0[16] = bf1[16];
bf0[17] =
half_btf_sse4_1(&cospim8, &bf1[17], &cospi56, &bf1[30], &rounding, bit);
bf0[18] =
half_btf_sse4_1(&cospim56, &bf1[18], &cospim8, &bf1[29], &rounding, bit);
bf0[19] = bf1[19];
bf0[20] = bf1[20];
bf0[21] =
half_btf_sse4_1(&cospim40, &bf1[21], &cospi24, &bf1[26], &rounding, bit);
bf0[22] =
half_btf_sse4_1(&cospim24, &bf1[22], &cospim40, &bf1[25], &rounding, bit);
bf0[23] = bf1[23];
bf0[24] = bf1[24];
bf0[25] =
half_btf_sse4_1(&cospim40, &bf1[22], &cospi24, &bf1[25], &rounding, bit);
bf0[26] =
half_btf_sse4_1(&cospi24, &bf1[21], &cospi40, &bf1[26], &rounding, bit);
bf0[27] = bf1[27];
bf0[28] = bf1[28];
bf0[29] =
half_btf_sse4_1(&cospim8, &bf1[18], &cospi56, &bf1[29], &rounding, bit);
bf0[30] =
half_btf_sse4_1(&cospi56, &bf1[17], &cospi8, &bf1[30], &rounding, bit);
bf0[31] = bf1[31];
// stage 5
bf1[0] =
half_btf_sse4_1(&cospi32, &bf0[0], &cospi32, &bf0[1], &rounding, bit);
bf1[1] =
half_btf_sse4_1(&cospi32, &bf0[0], &cospim32, &bf0[1], &rounding, bit);
bf1[2] =
half_btf_sse4_1(&cospi48, &bf0[2], &cospim16, &bf0[3], &rounding, bit);
bf1[3] =
half_btf_sse4_1(&cospi16, &bf0[2], &cospi48, &bf0[3], &rounding, bit);
addsub_sse4_1(bf0[4], bf0[5], bf1 + 4, bf1 + 5, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[7], bf0[6], bf1 + 7, bf1 + 6, &clamp_lo, &clamp_hi);
bf1[8] = bf0[8];
bf1[9] =
half_btf_sse4_1(&cospim16, &bf0[9], &cospi48, &bf0[14], &rounding, bit);
bf1[10] =
half_btf_sse4_1(&cospim48, &bf0[10], &cospim16, &bf0[13], &rounding, bit);
bf1[11] = bf0[11];
bf1[12] = bf0[12];
bf1[13] =
half_btf_sse4_1(&cospim16, &bf0[10], &cospi48, &bf0[13], &rounding, bit);
bf1[14] =
half_btf_sse4_1(&cospi48, &bf0[9], &cospi16, &bf0[14], &rounding, bit);
bf1[15] = bf0[15];
addsub_sse4_1(bf0[16], bf0[19], bf1 + 16, bf1 + 19, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[17], bf0[18], bf1 + 17, bf1 + 18, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[23], bf0[20], bf1 + 23, bf1 + 20, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[22], bf0[21], bf1 + 22, bf1 + 21, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[24], bf0[27], bf1 + 24, bf1 + 27, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[25], bf0[26], bf1 + 25, bf1 + 26, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[31], bf0[28], bf1 + 31, bf1 + 28, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[30], bf0[29], bf1 + 30, bf1 + 29, &clamp_lo, &clamp_hi);
// stage 6
addsub_sse4_1(bf1[0], bf1[3], bf0 + 0, bf0 + 3, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[1], bf1[2], bf0 + 1, bf0 + 2, &clamp_lo, &clamp_hi);
bf0[4] = bf1[4];
bf0[5] =
half_btf_sse4_1(&cospim32, &bf1[5], &cospi32, &bf1[6], &rounding, bit);
bf0[6] =
half_btf_sse4_1(&cospi32, &bf1[5], &cospi32, &bf1[6], &rounding, bit);
bf0[7] = bf1[7];
addsub_sse4_1(bf1[8], bf1[11], bf0 + 8, bf0 + 11, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[9], bf1[10], bf0 + 9, bf0 + 10, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[15], bf1[12], bf0 + 15, bf0 + 12, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[14], bf1[13], bf0 + 14, bf0 + 13, &clamp_lo, &clamp_hi);
bf0[16] = bf1[16];
bf0[17] = bf1[17];
bf0[18] =
half_btf_sse4_1(&cospim16, &bf1[18], &cospi48, &bf1[29], &rounding, bit);
bf0[19] =
half_btf_sse4_1(&cospim16, &bf1[19], &cospi48, &bf1[28], &rounding, bit);
bf0[20] =
half_btf_sse4_1(&cospim48, &bf1[20], &cospim16, &bf1[27], &rounding, bit);
bf0[21] =
half_btf_sse4_1(&cospim48, &bf1[21], &cospim16, &bf1[26], &rounding, bit);
bf0[22] = bf1[22];
bf0[23] = bf1[23];
bf0[24] = bf1[24];
bf0[25] = bf1[25];
bf0[26] =
half_btf_sse4_1(&cospim16, &bf1[21], &cospi48, &bf1[26], &rounding, bit);
bf0[27] =
half_btf_sse4_1(&cospim16, &bf1[20], &cospi48, &bf1[27], &rounding, bit);
bf0[28] =
half_btf_sse4_1(&cospi48, &bf1[19], &cospi16, &bf1[28], &rounding, bit);
bf0[29] =
half_btf_sse4_1(&cospi48, &bf1[18], &cospi16, &bf1[29], &rounding, bit);
bf0[30] = bf1[30];
bf0[31] = bf1[31];
// stage 7
addsub_sse4_1(bf0[0], bf0[7], bf1 + 0, bf1 + 7, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[1], bf0[6], bf1 + 1, bf1 + 6, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[2], bf0[5], bf1 + 2, bf1 + 5, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[3], bf0[4], bf1 + 3, bf1 + 4, &clamp_lo, &clamp_hi);
bf1[8] = bf0[8];
bf1[9] = bf0[9];
bf1[10] =
half_btf_sse4_1(&cospim32, &bf0[10], &cospi32, &bf0[13], &rounding, bit);
bf1[11] =
half_btf_sse4_1(&cospim32, &bf0[11], &cospi32, &bf0[12], &rounding, bit);
bf1[12] =
half_btf_sse4_1(&cospi32, &bf0[11], &cospi32, &bf0[12], &rounding, bit);
bf1[13] =
half_btf_sse4_1(&cospi32, &bf0[10], &cospi32, &bf0[13], &rounding, bit);
bf1[14] = bf0[14];
bf1[15] = bf0[15];
addsub_sse4_1(bf0[16], bf0[23], bf1 + 16, bf1 + 23, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[17], bf0[22], bf1 + 17, bf1 + 22, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[18], bf0[21], bf1 + 18, bf1 + 21, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[19], bf0[20], bf1 + 19, bf1 + 20, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[31], bf0[24], bf1 + 31, bf1 + 24, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[30], bf0[25], bf1 + 30, bf1 + 25, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[29], bf0[26], bf1 + 29, bf1 + 26, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[28], bf0[27], bf1 + 28, bf1 + 27, &clamp_lo, &clamp_hi);
// stage 8
addsub_sse4_1(bf1[0], bf1[15], bf0 + 0, bf0 + 15, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[1], bf1[14], bf0 + 1, bf0 + 14, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[2], bf1[13], bf0 + 2, bf0 + 13, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[3], bf1[12], bf0 + 3, bf0 + 12, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[4], bf1[11], bf0 + 4, bf0 + 11, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[5], bf1[10], bf0 + 5, bf0 + 10, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[6], bf1[9], bf0 + 6, bf0 + 9, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf1[7], bf1[8], bf0 + 7, bf0 + 8, &clamp_lo, &clamp_hi);
bf0[16] = bf1[16];
bf0[17] = bf1[17];
bf0[18] = bf1[18];
bf0[19] = bf1[19];
bf0[20] =
half_btf_sse4_1(&cospim32, &bf1[20], &cospi32, &bf1[27], &rounding, bit);
bf0[21] =
half_btf_sse4_1(&cospim32, &bf1[21], &cospi32, &bf1[26], &rounding, bit);
bf0[22] =
half_btf_sse4_1(&cospim32, &bf1[22], &cospi32, &bf1[25], &rounding, bit);
bf0[23] =
half_btf_sse4_1(&cospim32, &bf1[23], &cospi32, &bf1[24], &rounding, bit);
bf0[24] =
half_btf_sse4_1(&cospi32, &bf1[23], &cospi32, &bf1[24], &rounding, bit);
bf0[25] =
half_btf_sse4_1(&cospi32, &bf1[22], &cospi32, &bf1[25], &rounding, bit);
bf0[26] =
half_btf_sse4_1(&cospi32, &bf1[21], &cospi32, &bf1[26], &rounding, bit);
bf0[27] =
half_btf_sse4_1(&cospi32, &bf1[20], &cospi32, &bf1[27], &rounding, bit);
bf0[28] = bf1[28];
bf0[29] = bf1[29];
bf0[30] = bf1[30];
bf0[31] = bf1[31];
// stage 9
addsub_sse4_1(bf0[0], bf0[31], out + 0, out + 31, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[1], bf0[30], out + 1, out + 30, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[2], bf0[29], out + 2, out + 29, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[3], bf0[28], out + 3, out + 28, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[4], bf0[27], out + 4, out + 27, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[5], bf0[26], out + 5, out + 26, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[6], bf0[25], out + 6, out + 25, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[7], bf0[24], out + 7, out + 24, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[8], bf0[23], out + 8, out + 23, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[9], bf0[22], out + 9, out + 22, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[10], bf0[21], out + 10, out + 21, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[11], bf0[20], out + 11, out + 20, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[12], bf0[19], out + 12, out + 19, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[13], bf0[18], out + 13, out + 18, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[14], bf0[17], out + 14, out + 17, &clamp_lo, &clamp_hi);
addsub_sse4_1(bf0[15], bf0[16], out + 15, out + 16, &clamp_lo, &clamp_hi);
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift);
round_shift_8x8(out + 16, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo_out, &clamp_hi_out, 32);
}
}
void av1_highbd_inv_txfm_add_8x8_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride,
const TxfmParam *txfm_param) {
int bd = txfm_param->bd;
const TX_TYPE tx_type = txfm_param->tx_type;
const int32_t *src = cast_to_int32(input);
switch (tx_type) {
case IDTX:
case H_DCT:
case H_ADST:
case H_FLIPADST:
case V_DCT:
case V_ADST:
case V_FLIPADST:
av1_highbd_inv_txfm2d_add_universe_sse4_1(input, dest, stride, tx_type,
txfm_param->tx_size,
txfm_param->eob, bd);
break;
default:
av1_inv_txfm2d_add_8x8_sse4_1(src, dest, stride, tx_type, bd);
break;
}
}
void av1_highbd_inv_txfm_add_4x4_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride,
const TxfmParam *txfm_param) {
assert(av1_ext_tx_used[txfm_param->tx_set_type][txfm_param->tx_type]);
int eob = txfm_param->eob;
int bd = txfm_param->bd;
int lossless = txfm_param->lossless;
const int32_t *src = cast_to_int32(input);
const TX_TYPE tx_type = txfm_param->tx_type;
if (lossless) {
assert(tx_type == DCT_DCT);
av1_highbd_iwht4x4_add(input, dest, stride, eob, bd);
return;
}
av1_inv_txfm2d_add_4x4_sse4_1(src, dest, stride, tx_type, bd);
}
static void iidentity32_sse4_1(__m128i *in, __m128i *out, int bit, int do_cols,
int bd, int out_shift) {
(void)bit;
for (int i = 0; i < 32; i += 16) {
out[i] = _mm_slli_epi32(in[i], 2);
out[i + 1] = _mm_slli_epi32(in[i + 1], 2);
out[i + 2] = _mm_slli_epi32(in[i + 2], 2);
out[i + 3] = _mm_slli_epi32(in[i + 3], 2);
out[i + 4] = _mm_slli_epi32(in[i + 4], 2);
out[i + 5] = _mm_slli_epi32(in[i + 5], 2);
out[i + 6] = _mm_slli_epi32(in[i + 6], 2);
out[i + 7] = _mm_slli_epi32(in[i + 7], 2);
out[i + 8] = _mm_slli_epi32(in[i + 8], 2);
out[i + 9] = _mm_slli_epi32(in[i + 9], 2);
out[i + 10] = _mm_slli_epi32(in[i + 10], 2);
out[i + 11] = _mm_slli_epi32(in[i + 11], 2);
out[i + 12] = _mm_slli_epi32(in[i + 12], 2);
out[i + 13] = _mm_slli_epi32(in[i + 13], 2);
out[i + 14] = _mm_slli_epi32(in[i + 14], 2);
out[i + 15] = _mm_slli_epi32(in[i + 15], 2);
}
if (!do_cols) {
const int log_range_out = AOMMAX(16, bd + 6);
const __m128i clamp_lo_out = _mm_set1_epi32(-(1 << (log_range_out - 1)));
const __m128i clamp_hi_out = _mm_set1_epi32((1 << (log_range_out - 1)) - 1);
round_shift_8x8(out, out_shift);
round_shift_8x8(out + 16, out_shift);
highbd_clamp_epi32_sse4_1(out, out, &clamp_lo_out, &clamp_hi_out, 32);
}
}
static const transform_1d_sse4_1
highbd_txfm_all_1d_zeros_w8_arr[TX_SIZES][ITX_TYPES_1D][4] = {
{
{ idct4x4_sse4_1, NULL, NULL, NULL },
{ iadst4x4_sse4_1, NULL, NULL, NULL },
{ iidentity4_sse4_1, iidentity4_sse4_1, iidentity4_sse4_1, NULL },
},
{ { idct8x8_low1_sse4_1, idct8x8_new_sse4_1, NULL, NULL },
{ iadst8x8_low1_sse4_1, iadst8x8_new_sse4_1, NULL, NULL },
{ iidentity8_sse4_1, iidentity8_sse4_1, NULL, NULL } },
{
{ idct16x16_low1_sse4_1, idct16x16_low8_sse4_1, idct16x16_sse4_1,
NULL },
{ iadst16x16_low1_sse4_1, iadst16x16_low8_sse4_1, iadst16x16_sse4_1,
NULL },
{ iidentity16_sse4_1, NULL, iidentity16_sse4_1, NULL },
},
{ { idct32x32_low1_sse4_1, idct32x32_low8_sse4_1, idct32x32_low16_sse4_1,
idct32x32_sse4_1 },
{ NULL, NULL, NULL, NULL },
{ iidentity32_sse4_1, NULL, NULL, NULL } },
{ { idct64x64_low1_sse4_1, idct64x64_low8_sse4_1, idct64x64_low16_sse4_1,
idct64x64_sse4_1 },
{ NULL, NULL, NULL, NULL },
{ NULL, NULL, NULL, NULL } }
};
static void highbd_inv_txfm2d_add_h_identity_ssse41(const int32_t *input,
uint16_t *output,
int stride, TX_TYPE tx_type,
TX_SIZE tx_size, int eob,
const int bd) {
__m128i buf1[64];
int eobx, eoby;
get_eobx_eoby_scan_v_identity(&eobx, &eoby, tx_size, eob);
const int8_t *shift = av1_inv_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 txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int input_stride = AOMMIN(32, txfm_size_col);
const int buf_size_w_div4 = input_stride >> 2;
const int buf_size_h_div8 = (eoby + 8) >> 3;
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const int fun_idx = highbd_txfm_all_1d_zeros_idx[eoby];
const transform_1d_sse4_1 row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_sse4_1 col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
for (int i = 0; i < (buf_size_h_div8 << 1); ++i) {
__m128i buf0[16];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < buf_size_w_div4; ++j) {
__m128i *buf0_cur = buf0 + j * 4;
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_sse4_1(buf0, buf0, input_stride, 0,
NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
__m128i *_buf1 = buf1 + i * 4;
for (int j = 0; j < buf_size_w_div4; ++j) {
_buf1[j * txfm_size_row + 0] = buf0[j * 4 + 0];
_buf1[j * txfm_size_row + 1] = buf0[j * 4 + 1];
_buf1[j * txfm_size_row + 2] = buf0[j * 4 + 2];
_buf1[j * txfm_size_row + 3] = buf0[j * 4 + 3];
}
}
for (int i = 0; i < buf_size_w_div4; i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_sse4_1(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_sse4_1(buf1 + i * txfm_size_row * 2, output + 8 * i,
stride, ud_flip, txfm_size_row, bd);
}
}
static void highbd_inv_txfm2d_add_v_identity_ssse41(const int32_t *input,
uint16_t *output,
int stride, TX_TYPE tx_type,
TX_SIZE tx_size, int eob,
const int bd) {
__m128i buf1[64];
int eobx, eoby;
get_eobx_eoby_scan_h_identity(&eobx, &eoby, tx_size, eob);
const int8_t *shift = av1_inv_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 txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int input_stride = AOMMIN(32, txfm_size_col);
const int buf_size_w_div8 = input_stride >> 2;
const int row_max = AOMMIN(32, txfm_size_row);
const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3;
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const int fun_idx = highbd_txfm_all_1d_zeros_idx[eobx];
const transform_1d_sse4_1 row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx];
const transform_1d_sse4_1 col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
for (int i = 0; i < (row_max >> 2); ++i) {
__m128i buf0[16];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < (buf_size_nonzero_w_div8 << 1); ++j) {
__m128i *buf0_cur = buf0 + j * 4;
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
TRANSPOSE_4X4(buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3],
buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3]);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_sse4_1(
buf0, buf0, (buf_size_nonzero_w_div8 << 3), 0, NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
__m128i *_buf1 = buf1 + i * 4;
if (lr_flip) {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1],
buf0[4 * j],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 0],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 1],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 2],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 3]);
}
} else {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(
buf0[j * 4 + 0], buf0[j * 4 + 1], buf0[j * 4 + 2], buf0[j * 4 + 3],
_buf1[j * txfm_size_row + 0], _buf1[j * txfm_size_row + 1],
_buf1[j * txfm_size_row + 2], _buf1[j * txfm_size_row + 3]);
}
}
}
for (int i = 0; i < buf_size_w_div8; i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_sse4_1(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
{
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_sse4_1(buf1 + i * txfm_size_row * 2,
output + 8 * i, stride, ud_flip,
txfm_size_row, bd);
}
}
}
static void highbd_inv_txfm2d_add_idtx_ssse41(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
int eob, const int bd) {
(void)eob;
__m128i buf1[64 * 4];
const int8_t *shift = av1_inv_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 txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int input_stride = AOMMIN(32, txfm_size_col);
const int row_max = AOMMIN(32, txfm_size_row);
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const transform_1d_sse4_1 row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_sse4_1 col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
for (int i = 0; i < (row_max >> 2); ++i) {
__m128i buf0[32];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < (input_stride >> 2); ++j) {
__m128i *buf0_cur = buf0 + j * 4;
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_sse4_1(buf0, buf0, input_stride, 0,
NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
__m128i *_buf1 = buf1 + i * 4;
for (int j = 0; j < (input_stride >> 2); ++j) {
_buf1[j * txfm_size_row + 0] = buf0[j * 4 + 0];
_buf1[j * txfm_size_row + 1] = buf0[j * 4 + 1];
_buf1[j * txfm_size_row + 2] = buf0[j * 4 + 2];
_buf1[j * txfm_size_row + 3] = buf0[j * 4 + 3];
}
}
for (int i = 0; i < (input_stride >> 2); i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_sse4_1(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
{
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_sse4_1(buf1 + i * txfm_size_row * 2,
output + 8 * i, stride, 0, txfm_size_row,
bd);
}
}
}
static void highbd_inv_txfm2d_add_no_identity_sse41(const int32_t *input,
uint16_t *output,
int stride, TX_TYPE tx_type,
TX_SIZE tx_size, int eob,
const int bd) {
__m128i buf1[64 * 16];
int eobx, eoby;
get_eobx_eoby_scan_default(&eobx, &eoby, tx_size, eob);
const int8_t *shift = av1_inv_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 txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_w_div8 = txfm_size_col >> 2;
const int buf_size_nonzero_w_div8 = (eobx + 8) >> 3;
const int buf_size_nonzero_h_div8 = (eoby + 8) >> 3;
const int input_stride = AOMMIN(32, txfm_size_col);
const int rect_type = get_rect_tx_log_ratio(txfm_size_col, txfm_size_row);
const int fun_idx_x = highbd_txfm_all_1d_zeros_idx[eobx];
const int fun_idx_y = highbd_txfm_all_1d_zeros_idx[eoby];
const transform_1d_sse4_1 row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][fun_idx_x];
const transform_1d_sse4_1 col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][fun_idx_y];
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
for (int i = 0; i < buf_size_nonzero_h_div8 << 1; i++) {
__m128i buf0[64];
const int32_t *input_row = input + i * input_stride * 4;
for (int j = 0; j < buf_size_nonzero_w_div8 << 1; ++j) {
__m128i *buf0_cur = buf0 + j * 4;
load_buffer_32bit_input(input_row + j * 4, input_stride, buf0_cur, 4);
TRANSPOSE_4X4(buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3],
buf0_cur[0], buf0_cur[1], buf0_cur[2], buf0_cur[3]);
}
if (rect_type == 1 || rect_type == -1) {
av1_round_shift_rect_array_32_sse4_1(
buf0, buf0, buf_size_nonzero_w_div8 << 3, 0, NewInvSqrt2);
}
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
__m128i *_buf1 = buf1 + i * 4;
if (lr_flip) {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1],
buf0[4 * j],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 0],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 1],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 2],
_buf1[txfm_size_row * (buf_size_w_div8 - 1 - j) + 3]);
}
} else {
for (int j = 0; j < buf_size_w_div8; ++j) {
TRANSPOSE_4X4(
buf0[j * 4 + 0], buf0[j * 4 + 1], buf0[j * 4 + 2], buf0[j * 4 + 3],
_buf1[j * txfm_size_row + 0], _buf1[j * txfm_size_row + 1],
_buf1[j * txfm_size_row + 2], _buf1[j * txfm_size_row + 3]);
}
}
}
// 2nd stage: column transform
for (int i = 0; i < buf_size_w_div8; i++) {
col_txfm(buf1 + i * txfm_size_row, buf1 + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_sse4_1(buf1 + i * txfm_size_row,
buf1 + i * txfm_size_row, txfm_size_row,
-shift[1]);
}
// write to buffer
{
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_sse4_1(buf1 + i * txfm_size_row * 2,
output + 8 * i, stride, ud_flip,
txfm_size_row, bd);
}
}
}
static void highbd_inv_txfm2d_add_4x8_sse41(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
int eob, const int bd) {
(void)eob;
__m128i buf1[8];
const int8_t *shift = av1_inv_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 txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const transform_1d_sse4_1 row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_sse4_1 col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][1];
const int input_stride = AOMMIN(32, txfm_size_col);
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
__m128i buf0[8];
const int32_t *input_row = input;
__m128i *buf0_cur = buf0;
load_buffer_32bit_input(input_row, input_stride, buf0_cur, txfm_size_row);
av1_round_shift_rect_array_32_sse4_1(buf0, buf0, txfm_size_row, 0,
NewInvSqrt2);
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
row_txfm(buf0 + 4, buf0 + 4, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd,
-shift[0]);
if (lr_flip) {
TRANSPOSE_4X4(buf0[3], buf0[2], buf0[1], buf0[0], buf1[0], buf1[1], buf1[2],
buf1[3]);
TRANSPOSE_4X4(buf0[7], buf0[6], buf0[5], buf0[4], buf1[4], buf1[5], buf1[6],
buf1[7]);
} else {
TRANSPOSE_4X4(buf0[0], buf0[1], buf0[2], buf0[3], buf1[0], buf1[1], buf1[2],
buf1[3]);
TRANSPOSE_4X4(buf0[4], buf0[5], buf0[6], buf0[7], buf1[4], buf1[5], buf1[6],
buf1[7]);
}
// 2nd stage: column transform
col_txfm(buf1, buf1, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_sse4_1(buf1, buf1, txfm_size_row, -shift[1]);
// write to buffer
highbd_write_buffer_4xn_sse4_1(buf1, output, stride, ud_flip, txfm_size_row,
bd);
}
static void highbd_inv_txfm2d_add_8x4_sse41(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
int eob, const int bd) {
(void)eob;
__m128i buf1[8];
const int8_t *shift = av1_inv_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 txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const transform_1d_sse4_1 row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][1];
const transform_1d_sse4_1 col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
__m128i buf0[8];
const int32_t *input_row = input;
load_buffer_32bit_input(input_row, 4, buf0, txfm_size_col);
TRANSPOSE_4X4(buf0[0], buf0[2], buf0[4], buf0[6], buf1[0], buf1[1], buf1[2],
buf1[3]);
TRANSPOSE_4X4(buf0[1], buf0[3], buf0[5], buf0[7], buf1[4], buf1[5], buf1[6],
buf1[7]);
av1_round_shift_rect_array_32_sse4_1(buf1, buf0, txfm_size_col, 0,
NewInvSqrt2);
row_txfm(buf0, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
__m128i *buf1_ptr;
if (lr_flip) {
flip_buf_sse2(buf0, buf1, txfm_size_col);
buf1_ptr = buf1;
} else {
buf1_ptr = buf0;
}
// 2nd stage: column transform
for (int i = 0; i < 2; i++) {
col_txfm(buf1_ptr + i * txfm_size_row, buf1_ptr + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
}
av1_round_shift_array_32_sse4_1(buf1_ptr, buf1_ptr, txfm_size_col, -shift[1]);
// write to buffer
highbd_write_buffer_8xn_sse4_1(buf1_ptr, output, stride, ud_flip,
txfm_size_row, bd);
}
static void highbd_inv_txfm2d_add_4x16_sse4_1(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
int eob, const int bd) {
(void)eob;
__m128i buf1[16];
const int8_t *shift = av1_inv_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 txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_h_div8 = txfm_size_row >> 2;
const transform_1d_sse4_1 row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][0];
const transform_1d_sse4_1 col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][2];
const int input_stride = AOMMIN(32, txfm_size_col);
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
__m128i buf0[16];
const int32_t *input_row = input;
__m128i *buf0_cur = buf0;
load_buffer_32bit_input(input_row, input_stride, buf0_cur, txfm_size_row);
for (int i = 0; i < (txfm_size_row >> 2); i++) {
row_txfm(buf0 + (i << 2), buf0 + (i << 2),
av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
}
if (lr_flip) {
for (int j = 0; j < buf_size_h_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j + 3], buf0[4 * j + 2], buf0[4 * j + 1],
buf0[4 * j], buf1[4 * j], buf1[4 * j + 1], buf1[4 * j + 2],
buf1[4 * j + 3]);
}
} else {
for (int j = 0; j < buf_size_h_div8; ++j) {
TRANSPOSE_4X4(buf0[4 * j], buf0[4 * j + 1], buf0[4 * j + 2],
buf0[4 * j + 3], buf1[4 * j], buf1[4 * j + 1],
buf1[4 * j + 2], buf1[4 * j + 3]);
}
}
// 2nd stage: column transform
col_txfm(buf1, buf1, av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
av1_round_shift_array_32_sse4_1(buf1, buf1, txfm_size_row, -shift[1]);
// write to buffer
highbd_write_buffer_4xn_sse4_1(buf1, output, stride, ud_flip, txfm_size_row,
bd);
}
static void highbd_inv_txfm2d_add_16x4_sse4_1(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
int eob, const int bd) {
(void)eob;
__m128i buf1[16];
const int8_t *shift = av1_inv_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 txfm_size_col = tx_size_wide[tx_size];
const int txfm_size_row = tx_size_high[tx_size];
const int buf_size_w_div8 = txfm_size_col >> 2;
const transform_1d_sse4_1 row_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txw_idx][hitx_1d_tab[tx_type]][2];
const transform_1d_sse4_1 col_txfm =
highbd_txfm_all_1d_zeros_w8_arr[txh_idx][vitx_1d_tab[tx_type]][0];
assert(col_txfm != NULL);
assert(row_txfm != NULL);
int ud_flip, lr_flip;
get_flip_cfg(tx_type, &ud_flip, &lr_flip);
// 1st stage: column transform
__m128i buf0[16];
const int32_t *input_row = input;
load_buffer_32bit_input(input_row, 4, buf0, txfm_size_col);
for (int j = 0; j < buf_size_w_div8; j++) {
TRANSPOSE_4X4(buf0[j], buf0[j + 4], buf0[j + 8], buf0[j + 12], buf1[4 * j],
buf1[4 * j + 1], buf1[4 * j + 2], buf1[4 * j + 3]);
}
row_txfm(buf1, buf0, av1_inv_cos_bit_row[txw_idx][txh_idx], 0, bd, -shift[0]);
__m128i *buf1_ptr;
if (lr_flip) {
flip_buf_sse2(buf0, buf1, txfm_size_col);
buf1_ptr = buf1;
} else {
buf1_ptr = buf0;
}
// 2nd stage: column transform
for (int i = 0; i < buf_size_w_div8; i++) {
col_txfm(buf1_ptr + i * txfm_size_row, buf1_ptr + i * txfm_size_row,
av1_inv_cos_bit_col[txw_idx][txh_idx], 1, bd, 0);
}
av1_round_shift_array_32_sse4_1(buf1_ptr, buf1_ptr, txfm_size_col, -shift[1]);
// write to buffer
for (int i = 0; i < (txfm_size_col >> 3); i++) {
highbd_write_buffer_8xn_sse4_1(buf1_ptr + i * txfm_size_row * 2,
output + 8 * i, stride, ud_flip,
txfm_size_row, bd);
}
}
void av1_highbd_inv_txfm2d_add_universe_sse4_1(const int32_t *input,
uint16_t *output, int stride,
TX_TYPE tx_type, TX_SIZE tx_size,
int eob, const int bd) {
switch (tx_type) {
case DCT_DCT:
case ADST_DCT:
case DCT_ADST:
case ADST_ADST:
case FLIPADST_DCT:
case DCT_FLIPADST:
case FLIPADST_FLIPADST:
case ADST_FLIPADST:
case FLIPADST_ADST:
highbd_inv_txfm2d_add_no_identity_sse41(input, output, stride, tx_type,
tx_size, eob, bd);
break;
case V_DCT:
case V_ADST:
case V_FLIPADST:
highbd_inv_txfm2d_add_h_identity_ssse41(input, output, stride, tx_type,
tx_size, eob, bd);
break;
case H_DCT:
case H_ADST:
case H_FLIPADST:
highbd_inv_txfm2d_add_v_identity_ssse41(input, output, stride, tx_type,
tx_size, eob, bd);
break;
case IDTX:
highbd_inv_txfm2d_add_idtx_ssse41(input, output, stride, tx_type, tx_size,
eob, bd);
break;
default: assert(0); break;
}
}
void av1_highbd_inv_txfm_add_4x8_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride,
const TxfmParam *txfm_param) {
int bd = txfm_param->bd;
const TX_TYPE tx_type = txfm_param->tx_type;
const TX_SIZE tx_size = txfm_param->tx_size;
int eob = txfm_param->eob;
highbd_inv_txfm2d_add_4x8_sse41(input, dest, stride, tx_type, tx_size, eob,
bd);
}
void av1_highbd_inv_txfm_add_8x4_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride,
const TxfmParam *txfm_param) {
int bd = txfm_param->bd;
const TX_TYPE tx_type = txfm_param->tx_type;
const TX_SIZE tx_size = txfm_param->tx_size;
int eob = txfm_param->eob;
highbd_inv_txfm2d_add_8x4_sse41(input, dest, stride, tx_type, tx_size, eob,
bd);
}
void av1_highbd_inv_txfm_add_4x16_sse4_1(const tran_low_t *input,
uint16_t *dest, int stride,
const TxfmParam *txfm_param) {
int bd = txfm_param->bd;
const TX_TYPE tx_type = txfm_param->tx_type;
const TX_SIZE tx_size = txfm_param->tx_size;
int eob = txfm_param->eob;
highbd_inv_txfm2d_add_4x16_sse4_1(input, dest, stride, tx_type, tx_size, eob,
bd);
}
void av1_highbd_inv_txfm_add_16x4_sse4_1(const tran_low_t *input,
uint16_t *dest, int stride,
const TxfmParam *txfm_param) {
int bd = txfm_param->bd;
const TX_TYPE tx_type = txfm_param->tx_type;
const TX_SIZE tx_size = txfm_param->tx_size;
int eob = txfm_param->eob;
highbd_inv_txfm2d_add_16x4_sse4_1(input, dest, stride, tx_type, tx_size, eob,
bd);
}
void av1_highbd_inv_txfm_add_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride, const TxfmParam *txfm_param) {
assert(av1_ext_tx_used[txfm_param->tx_set_type][txfm_param->tx_type]);
const TX_SIZE tx_size = txfm_param->tx_size;
switch (tx_size) {
case TX_8X8:
av1_highbd_inv_txfm_add_8x8_sse4_1(input, dest, stride, txfm_param);
break;
case TX_4X8:
av1_highbd_inv_txfm_add_4x8_sse4_1(input, dest, stride, txfm_param);
break;
case TX_8X4:
av1_highbd_inv_txfm_add_8x4_sse4_1(input, dest, stride, txfm_param);
break;
case TX_4X4:
av1_highbd_inv_txfm_add_4x4_sse4_1(input, dest, stride, txfm_param);
break;
case TX_16X4:
av1_highbd_inv_txfm_add_16x4_sse4_1(input, dest, stride, txfm_param);
break;
case TX_4X16:
av1_highbd_inv_txfm_add_4x16_sse4_1(input, dest, stride, txfm_param);
break;
default:
av1_highbd_inv_txfm2d_add_universe_sse4_1(
input, dest, stride, txfm_param->tx_type, tx_size, txfm_param->eob,
txfm_param->bd);
break;
}
}
// Inverse secondary transform
void inv_stxfm_sse4_1(tran_low_t *src, tran_low_t *dst,
const PREDICTION_MODE mode, const uint8_t stx_idx,
const int size) {
const int16_t *kernel = (size == 4) ? ist_4x4_kernel[mode][stx_idx][0]
: ist_8x8_kernel[mode][stx_idx][0];
assert(stx_idx < 4);
const int rnd_factor = 1 << (7 - 1);
const __m128i round = _mm_set1_epi32(rnd_factor);
int reduced_width, reduced_height;
if (size == 4) {
reduced_height = IST_4x4_HEIGHT;
reduced_width = IST_4x4_WIDTH;
} else {
reduced_height = IST_8x8_HEIGHT;
reduced_width = IST_8x8_WIDTH;
}
for (int j = 0; j < reduced_height; j++) {
const int16_t *kernel_tmp = kernel;
int *srcPtr = src;
int *out = dst;
__m128i tmpCoeff = _mm_set1_epi32(srcPtr[j]);
__m128i *tmpBlock = (__m128i *)out;
for (int i = 0; i < reduced_width; i += 4, tmpBlock++) {
__m128i tmp =
_mm_cvtepi16_epi32(_mm_loadl_epi64((__m128i *)(kernel_tmp + i)));
__m128i sum = _mm_loadu_si128(tmpBlock);
tmp = _mm_mullo_epi32(tmpCoeff, tmp);
tmp = _mm_add_epi32(tmp, sum);
_mm_storeu_si128(tmpBlock, tmp);
}
kernel += (size * size);
}
int *out = dst;
__m128i *tmpBlock = (__m128i *)out;
for (int j = 0; j < reduced_width; j += 4, tmpBlock++) {
__m128i tmp = _mm_loadu_si128(tmpBlock);
tmp = _mm_srai_epi32(_mm_add_epi32(tmp, round), 7);
_mm_storeu_si128(tmpBlock, tmp);
}
}