Line data Source code
1 : /*
2 : * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 : *
4 : * This source code is subject to the terms of the BSD 2 Clause License and
5 : * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 : * was not distributed with this source code in the LICENSE file, you can
7 : * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 : * Media Patent License 1.0 was not distributed with this source code in the
9 : * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 : */
11 :
12 : #include <emmintrin.h> // SSE2
13 :
14 : #include "aom_dsp/fwd_txfm.h"
15 : #include "aom_dsp/txfm_common.h"
16 : #include "aom_dsp/x86/txfm_common_sse2.h"
17 :
18 : // TODO(jingning) The high bit-depth version needs re-work for performance.
19 : // The current SSE2 implementation also causes cross reference to the static
20 : // functions in the C implementation file.
21 : #if DCT_HIGH_BIT_DEPTH
22 : #define ADD_EPI16 _mm_adds_epi16
23 : #define SUB_EPI16 _mm_subs_epi16
24 : #if FDCT32x32_HIGH_PRECISION
25 0 : void aom_fdct32x32_rows_c(const int16_t *intermediate, tran_low_t *out) {
26 : int i, j;
27 0 : for (i = 0; i < 32; ++i) {
28 : tran_high_t temp_in[32], temp_out[32];
29 0 : for (j = 0; j < 32; ++j) temp_in[j] = intermediate[j * 32 + i];
30 0 : aom_fdct32(temp_in, temp_out, 0);
31 0 : for (j = 0; j < 32; ++j)
32 0 : out[j + i * 32] =
33 0 : (tran_low_t)((temp_out[j] + 1 + (temp_out[j] < 0)) >> 2);
34 : }
35 0 : }
36 : #define HIGH_FDCT32x32_2D_C aom_highbd_fdct32x32_c
37 : #define HIGH_FDCT32x32_2D_ROWS_C aom_fdct32x32_rows_c
38 : #else
39 0 : void aom_fdct32x32_rd_rows_c(const int16_t *intermediate, tran_low_t *out) {
40 : int i, j;
41 0 : for (i = 0; i < 32; ++i) {
42 : tran_high_t temp_in[32], temp_out[32];
43 0 : for (j = 0; j < 32; ++j) temp_in[j] = intermediate[j * 32 + i];
44 0 : aom_fdct32(temp_in, temp_out, 1);
45 0 : for (j = 0; j < 32; ++j) out[j + i * 32] = (tran_low_t)temp_out[j];
46 : }
47 0 : }
48 : #define HIGH_FDCT32x32_2D_C aom_highbd_fdct32x32_rd_c
49 : #define HIGH_FDCT32x32_2D_ROWS_C aom_fdct32x32_rd_rows_c
50 : #endif // FDCT32x32_HIGH_PRECISION
51 : #else
52 : #define ADD_EPI16 _mm_add_epi16
53 : #define SUB_EPI16 _mm_sub_epi16
54 : #endif // DCT_HIGH_BIT_DEPTH
55 :
56 0 : void FDCT32x32_2D(const int16_t *input, tran_low_t *output_org, int stride) {
57 : // Calculate pre-multiplied strides
58 0 : const int str1 = stride;
59 0 : const int str2 = 2 * stride;
60 0 : const int str3 = 2 * stride + str1;
61 : // We need an intermediate buffer between passes.
62 : DECLARE_ALIGNED(16, int16_t, intermediate[32 * 32]);
63 : // Constants
64 : // When we use them, in one case, they are all the same. In all others
65 : // it's a pair of them that we need to repeat four times. This is done
66 : // by constructing the 32 bit constant corresponding to that pair.
67 0 : const __m128i k__cospi_p16_p16 = _mm_set1_epi16((int16_t)cospi_16_64);
68 0 : const __m128i k__cospi_p16_m16 = pair_set_epi16(+cospi_16_64, -cospi_16_64);
69 0 : const __m128i k__cospi_m08_p24 = pair_set_epi16(-cospi_8_64, cospi_24_64);
70 0 : const __m128i k__cospi_m24_m08 = pair_set_epi16(-cospi_24_64, -cospi_8_64);
71 0 : const __m128i k__cospi_p24_p08 = pair_set_epi16(+cospi_24_64, cospi_8_64);
72 0 : const __m128i k__cospi_p12_p20 = pair_set_epi16(+cospi_12_64, cospi_20_64);
73 0 : const __m128i k__cospi_m20_p12 = pair_set_epi16(-cospi_20_64, cospi_12_64);
74 0 : const __m128i k__cospi_m04_p28 = pair_set_epi16(-cospi_4_64, cospi_28_64);
75 0 : const __m128i k__cospi_p28_p04 = pair_set_epi16(+cospi_28_64, cospi_4_64);
76 0 : const __m128i k__cospi_m28_m04 = pair_set_epi16(-cospi_28_64, -cospi_4_64);
77 0 : const __m128i k__cospi_m12_m20 = pair_set_epi16(-cospi_12_64, -cospi_20_64);
78 0 : const __m128i k__cospi_p30_p02 = pair_set_epi16(+cospi_30_64, cospi_2_64);
79 0 : const __m128i k__cospi_p14_p18 = pair_set_epi16(+cospi_14_64, cospi_18_64);
80 0 : const __m128i k__cospi_p22_p10 = pair_set_epi16(+cospi_22_64, cospi_10_64);
81 0 : const __m128i k__cospi_p06_p26 = pair_set_epi16(+cospi_6_64, cospi_26_64);
82 0 : const __m128i k__cospi_m26_p06 = pair_set_epi16(-cospi_26_64, cospi_6_64);
83 0 : const __m128i k__cospi_m10_p22 = pair_set_epi16(-cospi_10_64, cospi_22_64);
84 0 : const __m128i k__cospi_m18_p14 = pair_set_epi16(-cospi_18_64, cospi_14_64);
85 0 : const __m128i k__cospi_m02_p30 = pair_set_epi16(-cospi_2_64, cospi_30_64);
86 0 : const __m128i k__cospi_p31_p01 = pair_set_epi16(+cospi_31_64, cospi_1_64);
87 0 : const __m128i k__cospi_p15_p17 = pair_set_epi16(+cospi_15_64, cospi_17_64);
88 0 : const __m128i k__cospi_p23_p09 = pair_set_epi16(+cospi_23_64, cospi_9_64);
89 0 : const __m128i k__cospi_p07_p25 = pair_set_epi16(+cospi_7_64, cospi_25_64);
90 0 : const __m128i k__cospi_m25_p07 = pair_set_epi16(-cospi_25_64, cospi_7_64);
91 0 : const __m128i k__cospi_m09_p23 = pair_set_epi16(-cospi_9_64, cospi_23_64);
92 0 : const __m128i k__cospi_m17_p15 = pair_set_epi16(-cospi_17_64, cospi_15_64);
93 0 : const __m128i k__cospi_m01_p31 = pair_set_epi16(-cospi_1_64, cospi_31_64);
94 0 : const __m128i k__cospi_p27_p05 = pair_set_epi16(+cospi_27_64, cospi_5_64);
95 0 : const __m128i k__cospi_p11_p21 = pair_set_epi16(+cospi_11_64, cospi_21_64);
96 0 : const __m128i k__cospi_p19_p13 = pair_set_epi16(+cospi_19_64, cospi_13_64);
97 0 : const __m128i k__cospi_p03_p29 = pair_set_epi16(+cospi_3_64, cospi_29_64);
98 0 : const __m128i k__cospi_m29_p03 = pair_set_epi16(-cospi_29_64, cospi_3_64);
99 0 : const __m128i k__cospi_m13_p19 = pair_set_epi16(-cospi_13_64, cospi_19_64);
100 0 : const __m128i k__cospi_m21_p11 = pair_set_epi16(-cospi_21_64, cospi_11_64);
101 0 : const __m128i k__cospi_m05_p27 = pair_set_epi16(-cospi_5_64, cospi_27_64);
102 0 : const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING);
103 0 : const __m128i kZero = _mm_set1_epi16(0);
104 0 : const __m128i kOne = _mm_set1_epi16(1);
105 : // Do the two transform/transpose passes
106 : int pass;
107 : #if DCT_HIGH_BIT_DEPTH
108 : int overflow;
109 : #endif
110 0 : for (pass = 0; pass < 2; ++pass) {
111 : // We process eight columns (transposed rows in second pass) at a time.
112 : int column_start;
113 0 : for (column_start = 0; column_start < 32; column_start += 8) {
114 : __m128i step1[32];
115 : __m128i step2[32];
116 : __m128i step3[32];
117 : __m128i out[32];
118 : // Stage 1
119 : // Note: even though all the loads below are aligned, using the aligned
120 : // intrinsic make the code slightly slower.
121 0 : if (0 == pass) {
122 0 : const int16_t *in = &input[column_start];
123 : // step1[i] = (in[ 0 * stride] + in[(32 - 1) * stride]) << 2;
124 : // Note: the next four blocks could be in a loop. That would help the
125 : // instruction cache but is actually slower.
126 : {
127 0 : const int16_t *ina = in + 0 * str1;
128 0 : const int16_t *inb = in + 31 * str1;
129 0 : __m128i *step1a = &step1[0];
130 0 : __m128i *step1b = &step1[31];
131 0 : const __m128i ina0 = _mm_loadu_si128((const __m128i *)(ina));
132 0 : const __m128i ina1 = _mm_loadu_si128((const __m128i *)(ina + str1));
133 0 : const __m128i ina2 = _mm_loadu_si128((const __m128i *)(ina + str2));
134 0 : const __m128i ina3 = _mm_loadu_si128((const __m128i *)(ina + str3));
135 0 : const __m128i inb3 = _mm_loadu_si128((const __m128i *)(inb - str3));
136 0 : const __m128i inb2 = _mm_loadu_si128((const __m128i *)(inb - str2));
137 0 : const __m128i inb1 = _mm_loadu_si128((const __m128i *)(inb - str1));
138 0 : const __m128i inb0 = _mm_loadu_si128((const __m128i *)(inb));
139 0 : step1a[0] = _mm_add_epi16(ina0, inb0);
140 0 : step1a[1] = _mm_add_epi16(ina1, inb1);
141 0 : step1a[2] = _mm_add_epi16(ina2, inb2);
142 0 : step1a[3] = _mm_add_epi16(ina3, inb3);
143 0 : step1b[-3] = _mm_sub_epi16(ina3, inb3);
144 0 : step1b[-2] = _mm_sub_epi16(ina2, inb2);
145 0 : step1b[-1] = _mm_sub_epi16(ina1, inb1);
146 0 : step1b[-0] = _mm_sub_epi16(ina0, inb0);
147 0 : step1a[0] = _mm_slli_epi16(step1a[0], 2);
148 0 : step1a[1] = _mm_slli_epi16(step1a[1], 2);
149 0 : step1a[2] = _mm_slli_epi16(step1a[2], 2);
150 0 : step1a[3] = _mm_slli_epi16(step1a[3], 2);
151 0 : step1b[-3] = _mm_slli_epi16(step1b[-3], 2);
152 0 : step1b[-2] = _mm_slli_epi16(step1b[-2], 2);
153 0 : step1b[-1] = _mm_slli_epi16(step1b[-1], 2);
154 0 : step1b[-0] = _mm_slli_epi16(step1b[-0], 2);
155 : }
156 : {
157 0 : const int16_t *ina = in + 4 * str1;
158 0 : const int16_t *inb = in + 27 * str1;
159 0 : __m128i *step1a = &step1[4];
160 0 : __m128i *step1b = &step1[27];
161 0 : const __m128i ina0 = _mm_loadu_si128((const __m128i *)(ina));
162 0 : const __m128i ina1 = _mm_loadu_si128((const __m128i *)(ina + str1));
163 0 : const __m128i ina2 = _mm_loadu_si128((const __m128i *)(ina + str2));
164 0 : const __m128i ina3 = _mm_loadu_si128((const __m128i *)(ina + str3));
165 0 : const __m128i inb3 = _mm_loadu_si128((const __m128i *)(inb - str3));
166 0 : const __m128i inb2 = _mm_loadu_si128((const __m128i *)(inb - str2));
167 0 : const __m128i inb1 = _mm_loadu_si128((const __m128i *)(inb - str1));
168 0 : const __m128i inb0 = _mm_loadu_si128((const __m128i *)(inb));
169 0 : step1a[0] = _mm_add_epi16(ina0, inb0);
170 0 : step1a[1] = _mm_add_epi16(ina1, inb1);
171 0 : step1a[2] = _mm_add_epi16(ina2, inb2);
172 0 : step1a[3] = _mm_add_epi16(ina3, inb3);
173 0 : step1b[-3] = _mm_sub_epi16(ina3, inb3);
174 0 : step1b[-2] = _mm_sub_epi16(ina2, inb2);
175 0 : step1b[-1] = _mm_sub_epi16(ina1, inb1);
176 0 : step1b[-0] = _mm_sub_epi16(ina0, inb0);
177 0 : step1a[0] = _mm_slli_epi16(step1a[0], 2);
178 0 : step1a[1] = _mm_slli_epi16(step1a[1], 2);
179 0 : step1a[2] = _mm_slli_epi16(step1a[2], 2);
180 0 : step1a[3] = _mm_slli_epi16(step1a[3], 2);
181 0 : step1b[-3] = _mm_slli_epi16(step1b[-3], 2);
182 0 : step1b[-2] = _mm_slli_epi16(step1b[-2], 2);
183 0 : step1b[-1] = _mm_slli_epi16(step1b[-1], 2);
184 0 : step1b[-0] = _mm_slli_epi16(step1b[-0], 2);
185 : }
186 : {
187 0 : const int16_t *ina = in + 8 * str1;
188 0 : const int16_t *inb = in + 23 * str1;
189 0 : __m128i *step1a = &step1[8];
190 0 : __m128i *step1b = &step1[23];
191 0 : const __m128i ina0 = _mm_loadu_si128((const __m128i *)(ina));
192 0 : const __m128i ina1 = _mm_loadu_si128((const __m128i *)(ina + str1));
193 0 : const __m128i ina2 = _mm_loadu_si128((const __m128i *)(ina + str2));
194 0 : const __m128i ina3 = _mm_loadu_si128((const __m128i *)(ina + str3));
195 0 : const __m128i inb3 = _mm_loadu_si128((const __m128i *)(inb - str3));
196 0 : const __m128i inb2 = _mm_loadu_si128((const __m128i *)(inb - str2));
197 0 : const __m128i inb1 = _mm_loadu_si128((const __m128i *)(inb - str1));
198 0 : const __m128i inb0 = _mm_loadu_si128((const __m128i *)(inb));
199 0 : step1a[0] = _mm_add_epi16(ina0, inb0);
200 0 : step1a[1] = _mm_add_epi16(ina1, inb1);
201 0 : step1a[2] = _mm_add_epi16(ina2, inb2);
202 0 : step1a[3] = _mm_add_epi16(ina3, inb3);
203 0 : step1b[-3] = _mm_sub_epi16(ina3, inb3);
204 0 : step1b[-2] = _mm_sub_epi16(ina2, inb2);
205 0 : step1b[-1] = _mm_sub_epi16(ina1, inb1);
206 0 : step1b[-0] = _mm_sub_epi16(ina0, inb0);
207 0 : step1a[0] = _mm_slli_epi16(step1a[0], 2);
208 0 : step1a[1] = _mm_slli_epi16(step1a[1], 2);
209 0 : step1a[2] = _mm_slli_epi16(step1a[2], 2);
210 0 : step1a[3] = _mm_slli_epi16(step1a[3], 2);
211 0 : step1b[-3] = _mm_slli_epi16(step1b[-3], 2);
212 0 : step1b[-2] = _mm_slli_epi16(step1b[-2], 2);
213 0 : step1b[-1] = _mm_slli_epi16(step1b[-1], 2);
214 0 : step1b[-0] = _mm_slli_epi16(step1b[-0], 2);
215 : }
216 : {
217 0 : const int16_t *ina = in + 12 * str1;
218 0 : const int16_t *inb = in + 19 * str1;
219 0 : __m128i *step1a = &step1[12];
220 0 : __m128i *step1b = &step1[19];
221 0 : const __m128i ina0 = _mm_loadu_si128((const __m128i *)(ina));
222 0 : const __m128i ina1 = _mm_loadu_si128((const __m128i *)(ina + str1));
223 0 : const __m128i ina2 = _mm_loadu_si128((const __m128i *)(ina + str2));
224 0 : const __m128i ina3 = _mm_loadu_si128((const __m128i *)(ina + str3));
225 0 : const __m128i inb3 = _mm_loadu_si128((const __m128i *)(inb - str3));
226 0 : const __m128i inb2 = _mm_loadu_si128((const __m128i *)(inb - str2));
227 0 : const __m128i inb1 = _mm_loadu_si128((const __m128i *)(inb - str1));
228 0 : const __m128i inb0 = _mm_loadu_si128((const __m128i *)(inb));
229 0 : step1a[0] = _mm_add_epi16(ina0, inb0);
230 0 : step1a[1] = _mm_add_epi16(ina1, inb1);
231 0 : step1a[2] = _mm_add_epi16(ina2, inb2);
232 0 : step1a[3] = _mm_add_epi16(ina3, inb3);
233 0 : step1b[-3] = _mm_sub_epi16(ina3, inb3);
234 0 : step1b[-2] = _mm_sub_epi16(ina2, inb2);
235 0 : step1b[-1] = _mm_sub_epi16(ina1, inb1);
236 0 : step1b[-0] = _mm_sub_epi16(ina0, inb0);
237 0 : step1a[0] = _mm_slli_epi16(step1a[0], 2);
238 0 : step1a[1] = _mm_slli_epi16(step1a[1], 2);
239 0 : step1a[2] = _mm_slli_epi16(step1a[2], 2);
240 0 : step1a[3] = _mm_slli_epi16(step1a[3], 2);
241 0 : step1b[-3] = _mm_slli_epi16(step1b[-3], 2);
242 0 : step1b[-2] = _mm_slli_epi16(step1b[-2], 2);
243 0 : step1b[-1] = _mm_slli_epi16(step1b[-1], 2);
244 0 : step1b[-0] = _mm_slli_epi16(step1b[-0], 2);
245 : }
246 : } else {
247 0 : int16_t *in = &intermediate[column_start];
248 : // step1[i] = in[ 0 * 32] + in[(32 - 1) * 32];
249 : // Note: using the same approach as above to have common offset is
250 : // counter-productive as all offsets can be calculated at compile
251 : // time.
252 : // Note: the next four blocks could be in a loop. That would help the
253 : // instruction cache but is actually slower.
254 : {
255 0 : __m128i in00 = _mm_loadu_si128((const __m128i *)(in + 0 * 32));
256 0 : __m128i in01 = _mm_loadu_si128((const __m128i *)(in + 1 * 32));
257 0 : __m128i in02 = _mm_loadu_si128((const __m128i *)(in + 2 * 32));
258 0 : __m128i in03 = _mm_loadu_si128((const __m128i *)(in + 3 * 32));
259 0 : __m128i in28 = _mm_loadu_si128((const __m128i *)(in + 28 * 32));
260 0 : __m128i in29 = _mm_loadu_si128((const __m128i *)(in + 29 * 32));
261 0 : __m128i in30 = _mm_loadu_si128((const __m128i *)(in + 30 * 32));
262 0 : __m128i in31 = _mm_loadu_si128((const __m128i *)(in + 31 * 32));
263 0 : step1[0] = ADD_EPI16(in00, in31);
264 0 : step1[1] = ADD_EPI16(in01, in30);
265 0 : step1[2] = ADD_EPI16(in02, in29);
266 0 : step1[3] = ADD_EPI16(in03, in28);
267 0 : step1[28] = SUB_EPI16(in03, in28);
268 0 : step1[29] = SUB_EPI16(in02, in29);
269 0 : step1[30] = SUB_EPI16(in01, in30);
270 0 : step1[31] = SUB_EPI16(in00, in31);
271 : #if DCT_HIGH_BIT_DEPTH
272 0 : overflow = check_epi16_overflow_x8(&step1[0], &step1[1], &step1[2],
273 : &step1[3], &step1[28], &step1[29],
274 : &step1[30], &step1[31]);
275 0 : if (overflow) {
276 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
277 0 : return;
278 : }
279 : #endif // DCT_HIGH_BIT_DEPTH
280 : }
281 : {
282 0 : __m128i in04 = _mm_loadu_si128((const __m128i *)(in + 4 * 32));
283 0 : __m128i in05 = _mm_loadu_si128((const __m128i *)(in + 5 * 32));
284 0 : __m128i in06 = _mm_loadu_si128((const __m128i *)(in + 6 * 32));
285 0 : __m128i in07 = _mm_loadu_si128((const __m128i *)(in + 7 * 32));
286 0 : __m128i in24 = _mm_loadu_si128((const __m128i *)(in + 24 * 32));
287 0 : __m128i in25 = _mm_loadu_si128((const __m128i *)(in + 25 * 32));
288 0 : __m128i in26 = _mm_loadu_si128((const __m128i *)(in + 26 * 32));
289 0 : __m128i in27 = _mm_loadu_si128((const __m128i *)(in + 27 * 32));
290 0 : step1[4] = ADD_EPI16(in04, in27);
291 0 : step1[5] = ADD_EPI16(in05, in26);
292 0 : step1[6] = ADD_EPI16(in06, in25);
293 0 : step1[7] = ADD_EPI16(in07, in24);
294 0 : step1[24] = SUB_EPI16(in07, in24);
295 0 : step1[25] = SUB_EPI16(in06, in25);
296 0 : step1[26] = SUB_EPI16(in05, in26);
297 0 : step1[27] = SUB_EPI16(in04, in27);
298 : #if DCT_HIGH_BIT_DEPTH
299 0 : overflow = check_epi16_overflow_x8(&step1[4], &step1[5], &step1[6],
300 : &step1[7], &step1[24], &step1[25],
301 : &step1[26], &step1[27]);
302 0 : if (overflow) {
303 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
304 0 : return;
305 : }
306 : #endif // DCT_HIGH_BIT_DEPTH
307 : }
308 : {
309 0 : __m128i in08 = _mm_loadu_si128((const __m128i *)(in + 8 * 32));
310 0 : __m128i in09 = _mm_loadu_si128((const __m128i *)(in + 9 * 32));
311 0 : __m128i in10 = _mm_loadu_si128((const __m128i *)(in + 10 * 32));
312 0 : __m128i in11 = _mm_loadu_si128((const __m128i *)(in + 11 * 32));
313 0 : __m128i in20 = _mm_loadu_si128((const __m128i *)(in + 20 * 32));
314 0 : __m128i in21 = _mm_loadu_si128((const __m128i *)(in + 21 * 32));
315 0 : __m128i in22 = _mm_loadu_si128((const __m128i *)(in + 22 * 32));
316 0 : __m128i in23 = _mm_loadu_si128((const __m128i *)(in + 23 * 32));
317 0 : step1[8] = ADD_EPI16(in08, in23);
318 0 : step1[9] = ADD_EPI16(in09, in22);
319 0 : step1[10] = ADD_EPI16(in10, in21);
320 0 : step1[11] = ADD_EPI16(in11, in20);
321 0 : step1[20] = SUB_EPI16(in11, in20);
322 0 : step1[21] = SUB_EPI16(in10, in21);
323 0 : step1[22] = SUB_EPI16(in09, in22);
324 0 : step1[23] = SUB_EPI16(in08, in23);
325 : #if DCT_HIGH_BIT_DEPTH
326 0 : overflow = check_epi16_overflow_x8(&step1[8], &step1[9], &step1[10],
327 : &step1[11], &step1[20], &step1[21],
328 : &step1[22], &step1[23]);
329 0 : if (overflow) {
330 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
331 0 : return;
332 : }
333 : #endif // DCT_HIGH_BIT_DEPTH
334 : }
335 : {
336 0 : __m128i in12 = _mm_loadu_si128((const __m128i *)(in + 12 * 32));
337 0 : __m128i in13 = _mm_loadu_si128((const __m128i *)(in + 13 * 32));
338 0 : __m128i in14 = _mm_loadu_si128((const __m128i *)(in + 14 * 32));
339 0 : __m128i in15 = _mm_loadu_si128((const __m128i *)(in + 15 * 32));
340 0 : __m128i in16 = _mm_loadu_si128((const __m128i *)(in + 16 * 32));
341 0 : __m128i in17 = _mm_loadu_si128((const __m128i *)(in + 17 * 32));
342 0 : __m128i in18 = _mm_loadu_si128((const __m128i *)(in + 18 * 32));
343 0 : __m128i in19 = _mm_loadu_si128((const __m128i *)(in + 19 * 32));
344 0 : step1[12] = ADD_EPI16(in12, in19);
345 0 : step1[13] = ADD_EPI16(in13, in18);
346 0 : step1[14] = ADD_EPI16(in14, in17);
347 0 : step1[15] = ADD_EPI16(in15, in16);
348 0 : step1[16] = SUB_EPI16(in15, in16);
349 0 : step1[17] = SUB_EPI16(in14, in17);
350 0 : step1[18] = SUB_EPI16(in13, in18);
351 0 : step1[19] = SUB_EPI16(in12, in19);
352 : #if DCT_HIGH_BIT_DEPTH
353 0 : overflow = check_epi16_overflow_x8(&step1[12], &step1[13], &step1[14],
354 : &step1[15], &step1[16], &step1[17],
355 : &step1[18], &step1[19]);
356 0 : if (overflow) {
357 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
358 0 : return;
359 : }
360 : #endif // DCT_HIGH_BIT_DEPTH
361 : }
362 : }
363 : // Stage 2
364 : {
365 0 : step2[0] = ADD_EPI16(step1[0], step1[15]);
366 0 : step2[1] = ADD_EPI16(step1[1], step1[14]);
367 0 : step2[2] = ADD_EPI16(step1[2], step1[13]);
368 0 : step2[3] = ADD_EPI16(step1[3], step1[12]);
369 0 : step2[4] = ADD_EPI16(step1[4], step1[11]);
370 0 : step2[5] = ADD_EPI16(step1[5], step1[10]);
371 0 : step2[6] = ADD_EPI16(step1[6], step1[9]);
372 0 : step2[7] = ADD_EPI16(step1[7], step1[8]);
373 0 : step2[8] = SUB_EPI16(step1[7], step1[8]);
374 0 : step2[9] = SUB_EPI16(step1[6], step1[9]);
375 0 : step2[10] = SUB_EPI16(step1[5], step1[10]);
376 0 : step2[11] = SUB_EPI16(step1[4], step1[11]);
377 0 : step2[12] = SUB_EPI16(step1[3], step1[12]);
378 0 : step2[13] = SUB_EPI16(step1[2], step1[13]);
379 0 : step2[14] = SUB_EPI16(step1[1], step1[14]);
380 0 : step2[15] = SUB_EPI16(step1[0], step1[15]);
381 : #if DCT_HIGH_BIT_DEPTH
382 0 : overflow = check_epi16_overflow_x16(
383 : &step2[0], &step2[1], &step2[2], &step2[3], &step2[4], &step2[5],
384 : &step2[6], &step2[7], &step2[8], &step2[9], &step2[10], &step2[11],
385 : &step2[12], &step2[13], &step2[14], &step2[15]);
386 0 : if (overflow) {
387 0 : if (pass == 0)
388 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
389 : else
390 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
391 0 : return;
392 : }
393 : #endif // DCT_HIGH_BIT_DEPTH
394 : }
395 : {
396 0 : const __m128i s2_20_0 = _mm_unpacklo_epi16(step1[27], step1[20]);
397 0 : const __m128i s2_20_1 = _mm_unpackhi_epi16(step1[27], step1[20]);
398 0 : const __m128i s2_21_0 = _mm_unpacklo_epi16(step1[26], step1[21]);
399 0 : const __m128i s2_21_1 = _mm_unpackhi_epi16(step1[26], step1[21]);
400 0 : const __m128i s2_22_0 = _mm_unpacklo_epi16(step1[25], step1[22]);
401 0 : const __m128i s2_22_1 = _mm_unpackhi_epi16(step1[25], step1[22]);
402 0 : const __m128i s2_23_0 = _mm_unpacklo_epi16(step1[24], step1[23]);
403 0 : const __m128i s2_23_1 = _mm_unpackhi_epi16(step1[24], step1[23]);
404 0 : const __m128i s2_20_2 = _mm_madd_epi16(s2_20_0, k__cospi_p16_m16);
405 0 : const __m128i s2_20_3 = _mm_madd_epi16(s2_20_1, k__cospi_p16_m16);
406 0 : const __m128i s2_21_2 = _mm_madd_epi16(s2_21_0, k__cospi_p16_m16);
407 0 : const __m128i s2_21_3 = _mm_madd_epi16(s2_21_1, k__cospi_p16_m16);
408 0 : const __m128i s2_22_2 = _mm_madd_epi16(s2_22_0, k__cospi_p16_m16);
409 0 : const __m128i s2_22_3 = _mm_madd_epi16(s2_22_1, k__cospi_p16_m16);
410 0 : const __m128i s2_23_2 = _mm_madd_epi16(s2_23_0, k__cospi_p16_m16);
411 0 : const __m128i s2_23_3 = _mm_madd_epi16(s2_23_1, k__cospi_p16_m16);
412 0 : const __m128i s2_24_2 = _mm_madd_epi16(s2_23_0, k__cospi_p16_p16);
413 0 : const __m128i s2_24_3 = _mm_madd_epi16(s2_23_1, k__cospi_p16_p16);
414 0 : const __m128i s2_25_2 = _mm_madd_epi16(s2_22_0, k__cospi_p16_p16);
415 0 : const __m128i s2_25_3 = _mm_madd_epi16(s2_22_1, k__cospi_p16_p16);
416 0 : const __m128i s2_26_2 = _mm_madd_epi16(s2_21_0, k__cospi_p16_p16);
417 0 : const __m128i s2_26_3 = _mm_madd_epi16(s2_21_1, k__cospi_p16_p16);
418 0 : const __m128i s2_27_2 = _mm_madd_epi16(s2_20_0, k__cospi_p16_p16);
419 0 : const __m128i s2_27_3 = _mm_madd_epi16(s2_20_1, k__cospi_p16_p16);
420 : // dct_const_round_shift
421 0 : const __m128i s2_20_4 = _mm_add_epi32(s2_20_2, k__DCT_CONST_ROUNDING);
422 0 : const __m128i s2_20_5 = _mm_add_epi32(s2_20_3, k__DCT_CONST_ROUNDING);
423 0 : const __m128i s2_21_4 = _mm_add_epi32(s2_21_2, k__DCT_CONST_ROUNDING);
424 0 : const __m128i s2_21_5 = _mm_add_epi32(s2_21_3, k__DCT_CONST_ROUNDING);
425 0 : const __m128i s2_22_4 = _mm_add_epi32(s2_22_2, k__DCT_CONST_ROUNDING);
426 0 : const __m128i s2_22_5 = _mm_add_epi32(s2_22_3, k__DCT_CONST_ROUNDING);
427 0 : const __m128i s2_23_4 = _mm_add_epi32(s2_23_2, k__DCT_CONST_ROUNDING);
428 0 : const __m128i s2_23_5 = _mm_add_epi32(s2_23_3, k__DCT_CONST_ROUNDING);
429 0 : const __m128i s2_24_4 = _mm_add_epi32(s2_24_2, k__DCT_CONST_ROUNDING);
430 0 : const __m128i s2_24_5 = _mm_add_epi32(s2_24_3, k__DCT_CONST_ROUNDING);
431 0 : const __m128i s2_25_4 = _mm_add_epi32(s2_25_2, k__DCT_CONST_ROUNDING);
432 0 : const __m128i s2_25_5 = _mm_add_epi32(s2_25_3, k__DCT_CONST_ROUNDING);
433 0 : const __m128i s2_26_4 = _mm_add_epi32(s2_26_2, k__DCT_CONST_ROUNDING);
434 0 : const __m128i s2_26_5 = _mm_add_epi32(s2_26_3, k__DCT_CONST_ROUNDING);
435 0 : const __m128i s2_27_4 = _mm_add_epi32(s2_27_2, k__DCT_CONST_ROUNDING);
436 0 : const __m128i s2_27_5 = _mm_add_epi32(s2_27_3, k__DCT_CONST_ROUNDING);
437 0 : const __m128i s2_20_6 = _mm_srai_epi32(s2_20_4, DCT_CONST_BITS);
438 0 : const __m128i s2_20_7 = _mm_srai_epi32(s2_20_5, DCT_CONST_BITS);
439 0 : const __m128i s2_21_6 = _mm_srai_epi32(s2_21_4, DCT_CONST_BITS);
440 0 : const __m128i s2_21_7 = _mm_srai_epi32(s2_21_5, DCT_CONST_BITS);
441 0 : const __m128i s2_22_6 = _mm_srai_epi32(s2_22_4, DCT_CONST_BITS);
442 0 : const __m128i s2_22_7 = _mm_srai_epi32(s2_22_5, DCT_CONST_BITS);
443 0 : const __m128i s2_23_6 = _mm_srai_epi32(s2_23_4, DCT_CONST_BITS);
444 0 : const __m128i s2_23_7 = _mm_srai_epi32(s2_23_5, DCT_CONST_BITS);
445 0 : const __m128i s2_24_6 = _mm_srai_epi32(s2_24_4, DCT_CONST_BITS);
446 0 : const __m128i s2_24_7 = _mm_srai_epi32(s2_24_5, DCT_CONST_BITS);
447 0 : const __m128i s2_25_6 = _mm_srai_epi32(s2_25_4, DCT_CONST_BITS);
448 0 : const __m128i s2_25_7 = _mm_srai_epi32(s2_25_5, DCT_CONST_BITS);
449 0 : const __m128i s2_26_6 = _mm_srai_epi32(s2_26_4, DCT_CONST_BITS);
450 0 : const __m128i s2_26_7 = _mm_srai_epi32(s2_26_5, DCT_CONST_BITS);
451 0 : const __m128i s2_27_6 = _mm_srai_epi32(s2_27_4, DCT_CONST_BITS);
452 0 : const __m128i s2_27_7 = _mm_srai_epi32(s2_27_5, DCT_CONST_BITS);
453 : // Combine
454 0 : step2[20] = _mm_packs_epi32(s2_20_6, s2_20_7);
455 0 : step2[21] = _mm_packs_epi32(s2_21_6, s2_21_7);
456 0 : step2[22] = _mm_packs_epi32(s2_22_6, s2_22_7);
457 0 : step2[23] = _mm_packs_epi32(s2_23_6, s2_23_7);
458 0 : step2[24] = _mm_packs_epi32(s2_24_6, s2_24_7);
459 0 : step2[25] = _mm_packs_epi32(s2_25_6, s2_25_7);
460 0 : step2[26] = _mm_packs_epi32(s2_26_6, s2_26_7);
461 0 : step2[27] = _mm_packs_epi32(s2_27_6, s2_27_7);
462 : #if DCT_HIGH_BIT_DEPTH
463 0 : overflow = check_epi16_overflow_x8(&step2[20], &step2[21], &step2[22],
464 : &step2[23], &step2[24], &step2[25],
465 : &step2[26], &step2[27]);
466 0 : if (overflow) {
467 0 : if (pass == 0)
468 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
469 : else
470 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
471 0 : return;
472 : }
473 : #endif // DCT_HIGH_BIT_DEPTH
474 : }
475 :
476 : #if !FDCT32x32_HIGH_PRECISION
477 : // dump the magnitude by half, hence the intermediate values are within
478 : // the range of 16 bits.
479 0 : if (1 == pass) {
480 0 : __m128i s3_00_0 = _mm_cmplt_epi16(step2[0], kZero);
481 0 : __m128i s3_01_0 = _mm_cmplt_epi16(step2[1], kZero);
482 0 : __m128i s3_02_0 = _mm_cmplt_epi16(step2[2], kZero);
483 0 : __m128i s3_03_0 = _mm_cmplt_epi16(step2[3], kZero);
484 0 : __m128i s3_04_0 = _mm_cmplt_epi16(step2[4], kZero);
485 0 : __m128i s3_05_0 = _mm_cmplt_epi16(step2[5], kZero);
486 0 : __m128i s3_06_0 = _mm_cmplt_epi16(step2[6], kZero);
487 0 : __m128i s3_07_0 = _mm_cmplt_epi16(step2[7], kZero);
488 0 : __m128i s2_08_0 = _mm_cmplt_epi16(step2[8], kZero);
489 0 : __m128i s2_09_0 = _mm_cmplt_epi16(step2[9], kZero);
490 0 : __m128i s3_10_0 = _mm_cmplt_epi16(step2[10], kZero);
491 0 : __m128i s3_11_0 = _mm_cmplt_epi16(step2[11], kZero);
492 0 : __m128i s3_12_0 = _mm_cmplt_epi16(step2[12], kZero);
493 0 : __m128i s3_13_0 = _mm_cmplt_epi16(step2[13], kZero);
494 0 : __m128i s2_14_0 = _mm_cmplt_epi16(step2[14], kZero);
495 0 : __m128i s2_15_0 = _mm_cmplt_epi16(step2[15], kZero);
496 0 : __m128i s3_16_0 = _mm_cmplt_epi16(step1[16], kZero);
497 0 : __m128i s3_17_0 = _mm_cmplt_epi16(step1[17], kZero);
498 0 : __m128i s3_18_0 = _mm_cmplt_epi16(step1[18], kZero);
499 0 : __m128i s3_19_0 = _mm_cmplt_epi16(step1[19], kZero);
500 0 : __m128i s3_20_0 = _mm_cmplt_epi16(step2[20], kZero);
501 0 : __m128i s3_21_0 = _mm_cmplt_epi16(step2[21], kZero);
502 0 : __m128i s3_22_0 = _mm_cmplt_epi16(step2[22], kZero);
503 0 : __m128i s3_23_0 = _mm_cmplt_epi16(step2[23], kZero);
504 0 : __m128i s3_24_0 = _mm_cmplt_epi16(step2[24], kZero);
505 0 : __m128i s3_25_0 = _mm_cmplt_epi16(step2[25], kZero);
506 0 : __m128i s3_26_0 = _mm_cmplt_epi16(step2[26], kZero);
507 0 : __m128i s3_27_0 = _mm_cmplt_epi16(step2[27], kZero);
508 0 : __m128i s3_28_0 = _mm_cmplt_epi16(step1[28], kZero);
509 0 : __m128i s3_29_0 = _mm_cmplt_epi16(step1[29], kZero);
510 0 : __m128i s3_30_0 = _mm_cmplt_epi16(step1[30], kZero);
511 0 : __m128i s3_31_0 = _mm_cmplt_epi16(step1[31], kZero);
512 :
513 0 : step2[0] = SUB_EPI16(step2[0], s3_00_0);
514 0 : step2[1] = SUB_EPI16(step2[1], s3_01_0);
515 0 : step2[2] = SUB_EPI16(step2[2], s3_02_0);
516 0 : step2[3] = SUB_EPI16(step2[3], s3_03_0);
517 0 : step2[4] = SUB_EPI16(step2[4], s3_04_0);
518 0 : step2[5] = SUB_EPI16(step2[5], s3_05_0);
519 0 : step2[6] = SUB_EPI16(step2[6], s3_06_0);
520 0 : step2[7] = SUB_EPI16(step2[7], s3_07_0);
521 0 : step2[8] = SUB_EPI16(step2[8], s2_08_0);
522 0 : step2[9] = SUB_EPI16(step2[9], s2_09_0);
523 0 : step2[10] = SUB_EPI16(step2[10], s3_10_0);
524 0 : step2[11] = SUB_EPI16(step2[11], s3_11_0);
525 0 : step2[12] = SUB_EPI16(step2[12], s3_12_0);
526 0 : step2[13] = SUB_EPI16(step2[13], s3_13_0);
527 0 : step2[14] = SUB_EPI16(step2[14], s2_14_0);
528 0 : step2[15] = SUB_EPI16(step2[15], s2_15_0);
529 0 : step1[16] = SUB_EPI16(step1[16], s3_16_0);
530 0 : step1[17] = SUB_EPI16(step1[17], s3_17_0);
531 0 : step1[18] = SUB_EPI16(step1[18], s3_18_0);
532 0 : step1[19] = SUB_EPI16(step1[19], s3_19_0);
533 0 : step2[20] = SUB_EPI16(step2[20], s3_20_0);
534 0 : step2[21] = SUB_EPI16(step2[21], s3_21_0);
535 0 : step2[22] = SUB_EPI16(step2[22], s3_22_0);
536 0 : step2[23] = SUB_EPI16(step2[23], s3_23_0);
537 0 : step2[24] = SUB_EPI16(step2[24], s3_24_0);
538 0 : step2[25] = SUB_EPI16(step2[25], s3_25_0);
539 0 : step2[26] = SUB_EPI16(step2[26], s3_26_0);
540 0 : step2[27] = SUB_EPI16(step2[27], s3_27_0);
541 0 : step1[28] = SUB_EPI16(step1[28], s3_28_0);
542 0 : step1[29] = SUB_EPI16(step1[29], s3_29_0);
543 0 : step1[30] = SUB_EPI16(step1[30], s3_30_0);
544 0 : step1[31] = SUB_EPI16(step1[31], s3_31_0);
545 : #if DCT_HIGH_BIT_DEPTH
546 0 : overflow = check_epi16_overflow_x32(
547 : &step2[0], &step2[1], &step2[2], &step2[3], &step2[4], &step2[5],
548 : &step2[6], &step2[7], &step2[8], &step2[9], &step2[10], &step2[11],
549 : &step2[12], &step2[13], &step2[14], &step2[15], &step1[16],
550 : &step1[17], &step1[18], &step1[19], &step2[20], &step2[21],
551 : &step2[22], &step2[23], &step2[24], &step2[25], &step2[26],
552 : &step2[27], &step1[28], &step1[29], &step1[30], &step1[31]);
553 0 : if (overflow) {
554 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
555 0 : return;
556 : }
557 : #endif // DCT_HIGH_BIT_DEPTH
558 0 : step2[0] = _mm_add_epi16(step2[0], kOne);
559 0 : step2[1] = _mm_add_epi16(step2[1], kOne);
560 0 : step2[2] = _mm_add_epi16(step2[2], kOne);
561 0 : step2[3] = _mm_add_epi16(step2[3], kOne);
562 0 : step2[4] = _mm_add_epi16(step2[4], kOne);
563 0 : step2[5] = _mm_add_epi16(step2[5], kOne);
564 0 : step2[6] = _mm_add_epi16(step2[6], kOne);
565 0 : step2[7] = _mm_add_epi16(step2[7], kOne);
566 0 : step2[8] = _mm_add_epi16(step2[8], kOne);
567 0 : step2[9] = _mm_add_epi16(step2[9], kOne);
568 0 : step2[10] = _mm_add_epi16(step2[10], kOne);
569 0 : step2[11] = _mm_add_epi16(step2[11], kOne);
570 0 : step2[12] = _mm_add_epi16(step2[12], kOne);
571 0 : step2[13] = _mm_add_epi16(step2[13], kOne);
572 0 : step2[14] = _mm_add_epi16(step2[14], kOne);
573 0 : step2[15] = _mm_add_epi16(step2[15], kOne);
574 0 : step1[16] = _mm_add_epi16(step1[16], kOne);
575 0 : step1[17] = _mm_add_epi16(step1[17], kOne);
576 0 : step1[18] = _mm_add_epi16(step1[18], kOne);
577 0 : step1[19] = _mm_add_epi16(step1[19], kOne);
578 0 : step2[20] = _mm_add_epi16(step2[20], kOne);
579 0 : step2[21] = _mm_add_epi16(step2[21], kOne);
580 0 : step2[22] = _mm_add_epi16(step2[22], kOne);
581 0 : step2[23] = _mm_add_epi16(step2[23], kOne);
582 0 : step2[24] = _mm_add_epi16(step2[24], kOne);
583 0 : step2[25] = _mm_add_epi16(step2[25], kOne);
584 0 : step2[26] = _mm_add_epi16(step2[26], kOne);
585 0 : step2[27] = _mm_add_epi16(step2[27], kOne);
586 0 : step1[28] = _mm_add_epi16(step1[28], kOne);
587 0 : step1[29] = _mm_add_epi16(step1[29], kOne);
588 0 : step1[30] = _mm_add_epi16(step1[30], kOne);
589 0 : step1[31] = _mm_add_epi16(step1[31], kOne);
590 :
591 0 : step2[0] = _mm_srai_epi16(step2[0], 2);
592 0 : step2[1] = _mm_srai_epi16(step2[1], 2);
593 0 : step2[2] = _mm_srai_epi16(step2[2], 2);
594 0 : step2[3] = _mm_srai_epi16(step2[3], 2);
595 0 : step2[4] = _mm_srai_epi16(step2[4], 2);
596 0 : step2[5] = _mm_srai_epi16(step2[5], 2);
597 0 : step2[6] = _mm_srai_epi16(step2[6], 2);
598 0 : step2[7] = _mm_srai_epi16(step2[7], 2);
599 0 : step2[8] = _mm_srai_epi16(step2[8], 2);
600 0 : step2[9] = _mm_srai_epi16(step2[9], 2);
601 0 : step2[10] = _mm_srai_epi16(step2[10], 2);
602 0 : step2[11] = _mm_srai_epi16(step2[11], 2);
603 0 : step2[12] = _mm_srai_epi16(step2[12], 2);
604 0 : step2[13] = _mm_srai_epi16(step2[13], 2);
605 0 : step2[14] = _mm_srai_epi16(step2[14], 2);
606 0 : step2[15] = _mm_srai_epi16(step2[15], 2);
607 0 : step1[16] = _mm_srai_epi16(step1[16], 2);
608 0 : step1[17] = _mm_srai_epi16(step1[17], 2);
609 0 : step1[18] = _mm_srai_epi16(step1[18], 2);
610 0 : step1[19] = _mm_srai_epi16(step1[19], 2);
611 0 : step2[20] = _mm_srai_epi16(step2[20], 2);
612 0 : step2[21] = _mm_srai_epi16(step2[21], 2);
613 0 : step2[22] = _mm_srai_epi16(step2[22], 2);
614 0 : step2[23] = _mm_srai_epi16(step2[23], 2);
615 0 : step2[24] = _mm_srai_epi16(step2[24], 2);
616 0 : step2[25] = _mm_srai_epi16(step2[25], 2);
617 0 : step2[26] = _mm_srai_epi16(step2[26], 2);
618 0 : step2[27] = _mm_srai_epi16(step2[27], 2);
619 0 : step1[28] = _mm_srai_epi16(step1[28], 2);
620 0 : step1[29] = _mm_srai_epi16(step1[29], 2);
621 0 : step1[30] = _mm_srai_epi16(step1[30], 2);
622 0 : step1[31] = _mm_srai_epi16(step1[31], 2);
623 : }
624 : #endif // !FDCT32x32_HIGH_PRECISION
625 :
626 : #if FDCT32x32_HIGH_PRECISION
627 0 : if (pass == 0) {
628 : #endif
629 : // Stage 3
630 : {
631 0 : step3[0] = ADD_EPI16(step2[(8 - 1)], step2[0]);
632 0 : step3[1] = ADD_EPI16(step2[(8 - 2)], step2[1]);
633 0 : step3[2] = ADD_EPI16(step2[(8 - 3)], step2[2]);
634 0 : step3[3] = ADD_EPI16(step2[(8 - 4)], step2[3]);
635 0 : step3[4] = SUB_EPI16(step2[(8 - 5)], step2[4]);
636 0 : step3[5] = SUB_EPI16(step2[(8 - 6)], step2[5]);
637 0 : step3[6] = SUB_EPI16(step2[(8 - 7)], step2[6]);
638 0 : step3[7] = SUB_EPI16(step2[(8 - 8)], step2[7]);
639 : #if DCT_HIGH_BIT_DEPTH
640 0 : overflow = check_epi16_overflow_x8(&step3[0], &step3[1], &step3[2],
641 : &step3[3], &step3[4], &step3[5],
642 : &step3[6], &step3[7]);
643 0 : if (overflow) {
644 0 : if (pass == 0)
645 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
646 : else
647 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
648 0 : return;
649 : }
650 : #endif // DCT_HIGH_BIT_DEPTH
651 : }
652 : {
653 0 : const __m128i s3_10_0 = _mm_unpacklo_epi16(step2[13], step2[10]);
654 0 : const __m128i s3_10_1 = _mm_unpackhi_epi16(step2[13], step2[10]);
655 0 : const __m128i s3_11_0 = _mm_unpacklo_epi16(step2[12], step2[11]);
656 0 : const __m128i s3_11_1 = _mm_unpackhi_epi16(step2[12], step2[11]);
657 0 : const __m128i s3_10_2 = _mm_madd_epi16(s3_10_0, k__cospi_p16_m16);
658 0 : const __m128i s3_10_3 = _mm_madd_epi16(s3_10_1, k__cospi_p16_m16);
659 0 : const __m128i s3_11_2 = _mm_madd_epi16(s3_11_0, k__cospi_p16_m16);
660 0 : const __m128i s3_11_3 = _mm_madd_epi16(s3_11_1, k__cospi_p16_m16);
661 0 : const __m128i s3_12_2 = _mm_madd_epi16(s3_11_0, k__cospi_p16_p16);
662 0 : const __m128i s3_12_3 = _mm_madd_epi16(s3_11_1, k__cospi_p16_p16);
663 0 : const __m128i s3_13_2 = _mm_madd_epi16(s3_10_0, k__cospi_p16_p16);
664 0 : const __m128i s3_13_3 = _mm_madd_epi16(s3_10_1, k__cospi_p16_p16);
665 : // dct_const_round_shift
666 0 : const __m128i s3_10_4 = _mm_add_epi32(s3_10_2, k__DCT_CONST_ROUNDING);
667 0 : const __m128i s3_10_5 = _mm_add_epi32(s3_10_3, k__DCT_CONST_ROUNDING);
668 0 : const __m128i s3_11_4 = _mm_add_epi32(s3_11_2, k__DCT_CONST_ROUNDING);
669 0 : const __m128i s3_11_5 = _mm_add_epi32(s3_11_3, k__DCT_CONST_ROUNDING);
670 0 : const __m128i s3_12_4 = _mm_add_epi32(s3_12_2, k__DCT_CONST_ROUNDING);
671 0 : const __m128i s3_12_5 = _mm_add_epi32(s3_12_3, k__DCT_CONST_ROUNDING);
672 0 : const __m128i s3_13_4 = _mm_add_epi32(s3_13_2, k__DCT_CONST_ROUNDING);
673 0 : const __m128i s3_13_5 = _mm_add_epi32(s3_13_3, k__DCT_CONST_ROUNDING);
674 0 : const __m128i s3_10_6 = _mm_srai_epi32(s3_10_4, DCT_CONST_BITS);
675 0 : const __m128i s3_10_7 = _mm_srai_epi32(s3_10_5, DCT_CONST_BITS);
676 0 : const __m128i s3_11_6 = _mm_srai_epi32(s3_11_4, DCT_CONST_BITS);
677 0 : const __m128i s3_11_7 = _mm_srai_epi32(s3_11_5, DCT_CONST_BITS);
678 0 : const __m128i s3_12_6 = _mm_srai_epi32(s3_12_4, DCT_CONST_BITS);
679 0 : const __m128i s3_12_7 = _mm_srai_epi32(s3_12_5, DCT_CONST_BITS);
680 0 : const __m128i s3_13_6 = _mm_srai_epi32(s3_13_4, DCT_CONST_BITS);
681 0 : const __m128i s3_13_7 = _mm_srai_epi32(s3_13_5, DCT_CONST_BITS);
682 : // Combine
683 0 : step3[10] = _mm_packs_epi32(s3_10_6, s3_10_7);
684 0 : step3[11] = _mm_packs_epi32(s3_11_6, s3_11_7);
685 0 : step3[12] = _mm_packs_epi32(s3_12_6, s3_12_7);
686 0 : step3[13] = _mm_packs_epi32(s3_13_6, s3_13_7);
687 : #if DCT_HIGH_BIT_DEPTH
688 0 : overflow = check_epi16_overflow_x4(&step3[10], &step3[11], &step3[12],
689 : &step3[13]);
690 0 : if (overflow) {
691 0 : if (pass == 0)
692 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
693 : else
694 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
695 0 : return;
696 : }
697 : #endif // DCT_HIGH_BIT_DEPTH
698 : }
699 : {
700 0 : step3[16] = ADD_EPI16(step2[23], step1[16]);
701 0 : step3[17] = ADD_EPI16(step2[22], step1[17]);
702 0 : step3[18] = ADD_EPI16(step2[21], step1[18]);
703 0 : step3[19] = ADD_EPI16(step2[20], step1[19]);
704 0 : step3[20] = SUB_EPI16(step1[19], step2[20]);
705 0 : step3[21] = SUB_EPI16(step1[18], step2[21]);
706 0 : step3[22] = SUB_EPI16(step1[17], step2[22]);
707 0 : step3[23] = SUB_EPI16(step1[16], step2[23]);
708 0 : step3[24] = SUB_EPI16(step1[31], step2[24]);
709 0 : step3[25] = SUB_EPI16(step1[30], step2[25]);
710 0 : step3[26] = SUB_EPI16(step1[29], step2[26]);
711 0 : step3[27] = SUB_EPI16(step1[28], step2[27]);
712 0 : step3[28] = ADD_EPI16(step2[27], step1[28]);
713 0 : step3[29] = ADD_EPI16(step2[26], step1[29]);
714 0 : step3[30] = ADD_EPI16(step2[25], step1[30]);
715 0 : step3[31] = ADD_EPI16(step2[24], step1[31]);
716 : #if DCT_HIGH_BIT_DEPTH
717 0 : overflow = check_epi16_overflow_x16(
718 : &step3[16], &step3[17], &step3[18], &step3[19], &step3[20],
719 : &step3[21], &step3[22], &step3[23], &step3[24], &step3[25],
720 : &step3[26], &step3[27], &step3[28], &step3[29], &step3[30],
721 : &step3[31]);
722 0 : if (overflow) {
723 0 : if (pass == 0)
724 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
725 : else
726 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
727 0 : return;
728 : }
729 : #endif // DCT_HIGH_BIT_DEPTH
730 : }
731 :
732 : // Stage 4
733 : {
734 0 : step1[0] = ADD_EPI16(step3[3], step3[0]);
735 0 : step1[1] = ADD_EPI16(step3[2], step3[1]);
736 0 : step1[2] = SUB_EPI16(step3[1], step3[2]);
737 0 : step1[3] = SUB_EPI16(step3[0], step3[3]);
738 0 : step1[8] = ADD_EPI16(step3[11], step2[8]);
739 0 : step1[9] = ADD_EPI16(step3[10], step2[9]);
740 0 : step1[10] = SUB_EPI16(step2[9], step3[10]);
741 0 : step1[11] = SUB_EPI16(step2[8], step3[11]);
742 0 : step1[12] = SUB_EPI16(step2[15], step3[12]);
743 0 : step1[13] = SUB_EPI16(step2[14], step3[13]);
744 0 : step1[14] = ADD_EPI16(step3[13], step2[14]);
745 0 : step1[15] = ADD_EPI16(step3[12], step2[15]);
746 : #if DCT_HIGH_BIT_DEPTH
747 0 : overflow = check_epi16_overflow_x16(
748 : &step1[0], &step1[1], &step1[2], &step1[3], &step1[4], &step1[5],
749 : &step1[6], &step1[7], &step1[8], &step1[9], &step1[10],
750 : &step1[11], &step1[12], &step1[13], &step1[14], &step1[15]);
751 0 : if (overflow) {
752 0 : if (pass == 0)
753 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
754 : else
755 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
756 0 : return;
757 : }
758 : #endif // DCT_HIGH_BIT_DEPTH
759 : }
760 : {
761 0 : const __m128i s1_05_0 = _mm_unpacklo_epi16(step3[6], step3[5]);
762 0 : const __m128i s1_05_1 = _mm_unpackhi_epi16(step3[6], step3[5]);
763 0 : const __m128i s1_05_2 = _mm_madd_epi16(s1_05_0, k__cospi_p16_m16);
764 0 : const __m128i s1_05_3 = _mm_madd_epi16(s1_05_1, k__cospi_p16_m16);
765 0 : const __m128i s1_06_2 = _mm_madd_epi16(s1_05_0, k__cospi_p16_p16);
766 0 : const __m128i s1_06_3 = _mm_madd_epi16(s1_05_1, k__cospi_p16_p16);
767 : // dct_const_round_shift
768 0 : const __m128i s1_05_4 = _mm_add_epi32(s1_05_2, k__DCT_CONST_ROUNDING);
769 0 : const __m128i s1_05_5 = _mm_add_epi32(s1_05_3, k__DCT_CONST_ROUNDING);
770 0 : const __m128i s1_06_4 = _mm_add_epi32(s1_06_2, k__DCT_CONST_ROUNDING);
771 0 : const __m128i s1_06_5 = _mm_add_epi32(s1_06_3, k__DCT_CONST_ROUNDING);
772 0 : const __m128i s1_05_6 = _mm_srai_epi32(s1_05_4, DCT_CONST_BITS);
773 0 : const __m128i s1_05_7 = _mm_srai_epi32(s1_05_5, DCT_CONST_BITS);
774 0 : const __m128i s1_06_6 = _mm_srai_epi32(s1_06_4, DCT_CONST_BITS);
775 0 : const __m128i s1_06_7 = _mm_srai_epi32(s1_06_5, DCT_CONST_BITS);
776 : // Combine
777 0 : step1[5] = _mm_packs_epi32(s1_05_6, s1_05_7);
778 0 : step1[6] = _mm_packs_epi32(s1_06_6, s1_06_7);
779 : #if DCT_HIGH_BIT_DEPTH
780 0 : overflow = check_epi16_overflow_x2(&step1[5], &step1[6]);
781 0 : if (overflow) {
782 0 : if (pass == 0)
783 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
784 : else
785 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
786 0 : return;
787 : }
788 : #endif // DCT_HIGH_BIT_DEPTH
789 : }
790 : {
791 0 : const __m128i s1_18_0 = _mm_unpacklo_epi16(step3[18], step3[29]);
792 0 : const __m128i s1_18_1 = _mm_unpackhi_epi16(step3[18], step3[29]);
793 0 : const __m128i s1_19_0 = _mm_unpacklo_epi16(step3[19], step3[28]);
794 0 : const __m128i s1_19_1 = _mm_unpackhi_epi16(step3[19], step3[28]);
795 0 : const __m128i s1_20_0 = _mm_unpacklo_epi16(step3[20], step3[27]);
796 0 : const __m128i s1_20_1 = _mm_unpackhi_epi16(step3[20], step3[27]);
797 0 : const __m128i s1_21_0 = _mm_unpacklo_epi16(step3[21], step3[26]);
798 0 : const __m128i s1_21_1 = _mm_unpackhi_epi16(step3[21], step3[26]);
799 0 : const __m128i s1_18_2 = _mm_madd_epi16(s1_18_0, k__cospi_m08_p24);
800 0 : const __m128i s1_18_3 = _mm_madd_epi16(s1_18_1, k__cospi_m08_p24);
801 0 : const __m128i s1_19_2 = _mm_madd_epi16(s1_19_0, k__cospi_m08_p24);
802 0 : const __m128i s1_19_3 = _mm_madd_epi16(s1_19_1, k__cospi_m08_p24);
803 0 : const __m128i s1_20_2 = _mm_madd_epi16(s1_20_0, k__cospi_m24_m08);
804 0 : const __m128i s1_20_3 = _mm_madd_epi16(s1_20_1, k__cospi_m24_m08);
805 0 : const __m128i s1_21_2 = _mm_madd_epi16(s1_21_0, k__cospi_m24_m08);
806 0 : const __m128i s1_21_3 = _mm_madd_epi16(s1_21_1, k__cospi_m24_m08);
807 0 : const __m128i s1_26_2 = _mm_madd_epi16(s1_21_0, k__cospi_m08_p24);
808 0 : const __m128i s1_26_3 = _mm_madd_epi16(s1_21_1, k__cospi_m08_p24);
809 0 : const __m128i s1_27_2 = _mm_madd_epi16(s1_20_0, k__cospi_m08_p24);
810 0 : const __m128i s1_27_3 = _mm_madd_epi16(s1_20_1, k__cospi_m08_p24);
811 0 : const __m128i s1_28_2 = _mm_madd_epi16(s1_19_0, k__cospi_p24_p08);
812 0 : const __m128i s1_28_3 = _mm_madd_epi16(s1_19_1, k__cospi_p24_p08);
813 0 : const __m128i s1_29_2 = _mm_madd_epi16(s1_18_0, k__cospi_p24_p08);
814 0 : const __m128i s1_29_3 = _mm_madd_epi16(s1_18_1, k__cospi_p24_p08);
815 : // dct_const_round_shift
816 0 : const __m128i s1_18_4 = _mm_add_epi32(s1_18_2, k__DCT_CONST_ROUNDING);
817 0 : const __m128i s1_18_5 = _mm_add_epi32(s1_18_3, k__DCT_CONST_ROUNDING);
818 0 : const __m128i s1_19_4 = _mm_add_epi32(s1_19_2, k__DCT_CONST_ROUNDING);
819 0 : const __m128i s1_19_5 = _mm_add_epi32(s1_19_3, k__DCT_CONST_ROUNDING);
820 0 : const __m128i s1_20_4 = _mm_add_epi32(s1_20_2, k__DCT_CONST_ROUNDING);
821 0 : const __m128i s1_20_5 = _mm_add_epi32(s1_20_3, k__DCT_CONST_ROUNDING);
822 0 : const __m128i s1_21_4 = _mm_add_epi32(s1_21_2, k__DCT_CONST_ROUNDING);
823 0 : const __m128i s1_21_5 = _mm_add_epi32(s1_21_3, k__DCT_CONST_ROUNDING);
824 0 : const __m128i s1_26_4 = _mm_add_epi32(s1_26_2, k__DCT_CONST_ROUNDING);
825 0 : const __m128i s1_26_5 = _mm_add_epi32(s1_26_3, k__DCT_CONST_ROUNDING);
826 0 : const __m128i s1_27_4 = _mm_add_epi32(s1_27_2, k__DCT_CONST_ROUNDING);
827 0 : const __m128i s1_27_5 = _mm_add_epi32(s1_27_3, k__DCT_CONST_ROUNDING);
828 0 : const __m128i s1_28_4 = _mm_add_epi32(s1_28_2, k__DCT_CONST_ROUNDING);
829 0 : const __m128i s1_28_5 = _mm_add_epi32(s1_28_3, k__DCT_CONST_ROUNDING);
830 0 : const __m128i s1_29_4 = _mm_add_epi32(s1_29_2, k__DCT_CONST_ROUNDING);
831 0 : const __m128i s1_29_5 = _mm_add_epi32(s1_29_3, k__DCT_CONST_ROUNDING);
832 0 : const __m128i s1_18_6 = _mm_srai_epi32(s1_18_4, DCT_CONST_BITS);
833 0 : const __m128i s1_18_7 = _mm_srai_epi32(s1_18_5, DCT_CONST_BITS);
834 0 : const __m128i s1_19_6 = _mm_srai_epi32(s1_19_4, DCT_CONST_BITS);
835 0 : const __m128i s1_19_7 = _mm_srai_epi32(s1_19_5, DCT_CONST_BITS);
836 0 : const __m128i s1_20_6 = _mm_srai_epi32(s1_20_4, DCT_CONST_BITS);
837 0 : const __m128i s1_20_7 = _mm_srai_epi32(s1_20_5, DCT_CONST_BITS);
838 0 : const __m128i s1_21_6 = _mm_srai_epi32(s1_21_4, DCT_CONST_BITS);
839 0 : const __m128i s1_21_7 = _mm_srai_epi32(s1_21_5, DCT_CONST_BITS);
840 0 : const __m128i s1_26_6 = _mm_srai_epi32(s1_26_4, DCT_CONST_BITS);
841 0 : const __m128i s1_26_7 = _mm_srai_epi32(s1_26_5, DCT_CONST_BITS);
842 0 : const __m128i s1_27_6 = _mm_srai_epi32(s1_27_4, DCT_CONST_BITS);
843 0 : const __m128i s1_27_7 = _mm_srai_epi32(s1_27_5, DCT_CONST_BITS);
844 0 : const __m128i s1_28_6 = _mm_srai_epi32(s1_28_4, DCT_CONST_BITS);
845 0 : const __m128i s1_28_7 = _mm_srai_epi32(s1_28_5, DCT_CONST_BITS);
846 0 : const __m128i s1_29_6 = _mm_srai_epi32(s1_29_4, DCT_CONST_BITS);
847 0 : const __m128i s1_29_7 = _mm_srai_epi32(s1_29_5, DCT_CONST_BITS);
848 : // Combine
849 0 : step1[18] = _mm_packs_epi32(s1_18_6, s1_18_7);
850 0 : step1[19] = _mm_packs_epi32(s1_19_6, s1_19_7);
851 0 : step1[20] = _mm_packs_epi32(s1_20_6, s1_20_7);
852 0 : step1[21] = _mm_packs_epi32(s1_21_6, s1_21_7);
853 0 : step1[26] = _mm_packs_epi32(s1_26_6, s1_26_7);
854 0 : step1[27] = _mm_packs_epi32(s1_27_6, s1_27_7);
855 0 : step1[28] = _mm_packs_epi32(s1_28_6, s1_28_7);
856 0 : step1[29] = _mm_packs_epi32(s1_29_6, s1_29_7);
857 : #if DCT_HIGH_BIT_DEPTH
858 0 : overflow = check_epi16_overflow_x8(&step1[18], &step1[19], &step1[20],
859 : &step1[21], &step1[26], &step1[27],
860 : &step1[28], &step1[29]);
861 0 : if (overflow) {
862 0 : if (pass == 0)
863 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
864 : else
865 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
866 0 : return;
867 : }
868 : #endif // DCT_HIGH_BIT_DEPTH
869 : }
870 : // Stage 5
871 : {
872 0 : step2[4] = ADD_EPI16(step1[5], step3[4]);
873 0 : step2[5] = SUB_EPI16(step3[4], step1[5]);
874 0 : step2[6] = SUB_EPI16(step3[7], step1[6]);
875 0 : step2[7] = ADD_EPI16(step1[6], step3[7]);
876 : #if DCT_HIGH_BIT_DEPTH
877 0 : overflow = check_epi16_overflow_x4(&step2[4], &step2[5], &step2[6],
878 : &step2[7]);
879 0 : if (overflow) {
880 0 : if (pass == 0)
881 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
882 : else
883 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
884 0 : return;
885 : }
886 : #endif // DCT_HIGH_BIT_DEPTH
887 : }
888 : {
889 0 : const __m128i out_00_0 = _mm_unpacklo_epi16(step1[0], step1[1]);
890 0 : const __m128i out_00_1 = _mm_unpackhi_epi16(step1[0], step1[1]);
891 0 : const __m128i out_08_0 = _mm_unpacklo_epi16(step1[2], step1[3]);
892 0 : const __m128i out_08_1 = _mm_unpackhi_epi16(step1[2], step1[3]);
893 0 : const __m128i out_00_2 = _mm_madd_epi16(out_00_0, k__cospi_p16_p16);
894 0 : const __m128i out_00_3 = _mm_madd_epi16(out_00_1, k__cospi_p16_p16);
895 0 : const __m128i out_16_2 = _mm_madd_epi16(out_00_0, k__cospi_p16_m16);
896 0 : const __m128i out_16_3 = _mm_madd_epi16(out_00_1, k__cospi_p16_m16);
897 0 : const __m128i out_08_2 = _mm_madd_epi16(out_08_0, k__cospi_p24_p08);
898 0 : const __m128i out_08_3 = _mm_madd_epi16(out_08_1, k__cospi_p24_p08);
899 0 : const __m128i out_24_2 = _mm_madd_epi16(out_08_0, k__cospi_m08_p24);
900 0 : const __m128i out_24_3 = _mm_madd_epi16(out_08_1, k__cospi_m08_p24);
901 : // dct_const_round_shift
902 0 : const __m128i out_00_4 =
903 : _mm_add_epi32(out_00_2, k__DCT_CONST_ROUNDING);
904 0 : const __m128i out_00_5 =
905 : _mm_add_epi32(out_00_3, k__DCT_CONST_ROUNDING);
906 0 : const __m128i out_16_4 =
907 : _mm_add_epi32(out_16_2, k__DCT_CONST_ROUNDING);
908 0 : const __m128i out_16_5 =
909 : _mm_add_epi32(out_16_3, k__DCT_CONST_ROUNDING);
910 0 : const __m128i out_08_4 =
911 : _mm_add_epi32(out_08_2, k__DCT_CONST_ROUNDING);
912 0 : const __m128i out_08_5 =
913 : _mm_add_epi32(out_08_3, k__DCT_CONST_ROUNDING);
914 0 : const __m128i out_24_4 =
915 : _mm_add_epi32(out_24_2, k__DCT_CONST_ROUNDING);
916 0 : const __m128i out_24_5 =
917 : _mm_add_epi32(out_24_3, k__DCT_CONST_ROUNDING);
918 0 : const __m128i out_00_6 = _mm_srai_epi32(out_00_4, DCT_CONST_BITS);
919 0 : const __m128i out_00_7 = _mm_srai_epi32(out_00_5, DCT_CONST_BITS);
920 0 : const __m128i out_16_6 = _mm_srai_epi32(out_16_4, DCT_CONST_BITS);
921 0 : const __m128i out_16_7 = _mm_srai_epi32(out_16_5, DCT_CONST_BITS);
922 0 : const __m128i out_08_6 = _mm_srai_epi32(out_08_4, DCT_CONST_BITS);
923 0 : const __m128i out_08_7 = _mm_srai_epi32(out_08_5, DCT_CONST_BITS);
924 0 : const __m128i out_24_6 = _mm_srai_epi32(out_24_4, DCT_CONST_BITS);
925 0 : const __m128i out_24_7 = _mm_srai_epi32(out_24_5, DCT_CONST_BITS);
926 : // Combine
927 0 : out[0] = _mm_packs_epi32(out_00_6, out_00_7);
928 0 : out[16] = _mm_packs_epi32(out_16_6, out_16_7);
929 0 : out[8] = _mm_packs_epi32(out_08_6, out_08_7);
930 0 : out[24] = _mm_packs_epi32(out_24_6, out_24_7);
931 : #if DCT_HIGH_BIT_DEPTH
932 0 : overflow =
933 : check_epi16_overflow_x4(&out[0], &out[16], &out[8], &out[24]);
934 0 : if (overflow) {
935 0 : if (pass == 0)
936 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
937 : else
938 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
939 0 : return;
940 : }
941 : #endif // DCT_HIGH_BIT_DEPTH
942 : }
943 : {
944 0 : const __m128i s2_09_0 = _mm_unpacklo_epi16(step1[9], step1[14]);
945 0 : const __m128i s2_09_1 = _mm_unpackhi_epi16(step1[9], step1[14]);
946 0 : const __m128i s2_10_0 = _mm_unpacklo_epi16(step1[10], step1[13]);
947 0 : const __m128i s2_10_1 = _mm_unpackhi_epi16(step1[10], step1[13]);
948 0 : const __m128i s2_09_2 = _mm_madd_epi16(s2_09_0, k__cospi_m08_p24);
949 0 : const __m128i s2_09_3 = _mm_madd_epi16(s2_09_1, k__cospi_m08_p24);
950 0 : const __m128i s2_10_2 = _mm_madd_epi16(s2_10_0, k__cospi_m24_m08);
951 0 : const __m128i s2_10_3 = _mm_madd_epi16(s2_10_1, k__cospi_m24_m08);
952 0 : const __m128i s2_13_2 = _mm_madd_epi16(s2_10_0, k__cospi_m08_p24);
953 0 : const __m128i s2_13_3 = _mm_madd_epi16(s2_10_1, k__cospi_m08_p24);
954 0 : const __m128i s2_14_2 = _mm_madd_epi16(s2_09_0, k__cospi_p24_p08);
955 0 : const __m128i s2_14_3 = _mm_madd_epi16(s2_09_1, k__cospi_p24_p08);
956 : // dct_const_round_shift
957 0 : const __m128i s2_09_4 = _mm_add_epi32(s2_09_2, k__DCT_CONST_ROUNDING);
958 0 : const __m128i s2_09_5 = _mm_add_epi32(s2_09_3, k__DCT_CONST_ROUNDING);
959 0 : const __m128i s2_10_4 = _mm_add_epi32(s2_10_2, k__DCT_CONST_ROUNDING);
960 0 : const __m128i s2_10_5 = _mm_add_epi32(s2_10_3, k__DCT_CONST_ROUNDING);
961 0 : const __m128i s2_13_4 = _mm_add_epi32(s2_13_2, k__DCT_CONST_ROUNDING);
962 0 : const __m128i s2_13_5 = _mm_add_epi32(s2_13_3, k__DCT_CONST_ROUNDING);
963 0 : const __m128i s2_14_4 = _mm_add_epi32(s2_14_2, k__DCT_CONST_ROUNDING);
964 0 : const __m128i s2_14_5 = _mm_add_epi32(s2_14_3, k__DCT_CONST_ROUNDING);
965 0 : const __m128i s2_09_6 = _mm_srai_epi32(s2_09_4, DCT_CONST_BITS);
966 0 : const __m128i s2_09_7 = _mm_srai_epi32(s2_09_5, DCT_CONST_BITS);
967 0 : const __m128i s2_10_6 = _mm_srai_epi32(s2_10_4, DCT_CONST_BITS);
968 0 : const __m128i s2_10_7 = _mm_srai_epi32(s2_10_5, DCT_CONST_BITS);
969 0 : const __m128i s2_13_6 = _mm_srai_epi32(s2_13_4, DCT_CONST_BITS);
970 0 : const __m128i s2_13_7 = _mm_srai_epi32(s2_13_5, DCT_CONST_BITS);
971 0 : const __m128i s2_14_6 = _mm_srai_epi32(s2_14_4, DCT_CONST_BITS);
972 0 : const __m128i s2_14_7 = _mm_srai_epi32(s2_14_5, DCT_CONST_BITS);
973 : // Combine
974 0 : step2[9] = _mm_packs_epi32(s2_09_6, s2_09_7);
975 0 : step2[10] = _mm_packs_epi32(s2_10_6, s2_10_7);
976 0 : step2[13] = _mm_packs_epi32(s2_13_6, s2_13_7);
977 0 : step2[14] = _mm_packs_epi32(s2_14_6, s2_14_7);
978 : #if DCT_HIGH_BIT_DEPTH
979 0 : overflow = check_epi16_overflow_x4(&step2[9], &step2[10], &step2[13],
980 : &step2[14]);
981 0 : if (overflow) {
982 0 : if (pass == 0)
983 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
984 : else
985 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
986 0 : return;
987 : }
988 : #endif // DCT_HIGH_BIT_DEPTH
989 : }
990 : {
991 0 : step2[16] = ADD_EPI16(step1[19], step3[16]);
992 0 : step2[17] = ADD_EPI16(step1[18], step3[17]);
993 0 : step2[18] = SUB_EPI16(step3[17], step1[18]);
994 0 : step2[19] = SUB_EPI16(step3[16], step1[19]);
995 0 : step2[20] = SUB_EPI16(step3[23], step1[20]);
996 0 : step2[21] = SUB_EPI16(step3[22], step1[21]);
997 0 : step2[22] = ADD_EPI16(step1[21], step3[22]);
998 0 : step2[23] = ADD_EPI16(step1[20], step3[23]);
999 0 : step2[24] = ADD_EPI16(step1[27], step3[24]);
1000 0 : step2[25] = ADD_EPI16(step1[26], step3[25]);
1001 0 : step2[26] = SUB_EPI16(step3[25], step1[26]);
1002 0 : step2[27] = SUB_EPI16(step3[24], step1[27]);
1003 0 : step2[28] = SUB_EPI16(step3[31], step1[28]);
1004 0 : step2[29] = SUB_EPI16(step3[30], step1[29]);
1005 0 : step2[30] = ADD_EPI16(step1[29], step3[30]);
1006 0 : step2[31] = ADD_EPI16(step1[28], step3[31]);
1007 : #if DCT_HIGH_BIT_DEPTH
1008 0 : overflow = check_epi16_overflow_x16(
1009 : &step2[16], &step2[17], &step2[18], &step2[19], &step2[20],
1010 : &step2[21], &step2[22], &step2[23], &step2[24], &step2[25],
1011 : &step2[26], &step2[27], &step2[28], &step2[29], &step2[30],
1012 : &step2[31]);
1013 0 : if (overflow) {
1014 0 : if (pass == 0)
1015 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
1016 : else
1017 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1018 0 : return;
1019 : }
1020 : #endif // DCT_HIGH_BIT_DEPTH
1021 : }
1022 : // Stage 6
1023 : {
1024 0 : const __m128i out_04_0 = _mm_unpacklo_epi16(step2[4], step2[7]);
1025 0 : const __m128i out_04_1 = _mm_unpackhi_epi16(step2[4], step2[7]);
1026 0 : const __m128i out_20_0 = _mm_unpacklo_epi16(step2[5], step2[6]);
1027 0 : const __m128i out_20_1 = _mm_unpackhi_epi16(step2[5], step2[6]);
1028 0 : const __m128i out_12_0 = _mm_unpacklo_epi16(step2[5], step2[6]);
1029 0 : const __m128i out_12_1 = _mm_unpackhi_epi16(step2[5], step2[6]);
1030 0 : const __m128i out_28_0 = _mm_unpacklo_epi16(step2[4], step2[7]);
1031 0 : const __m128i out_28_1 = _mm_unpackhi_epi16(step2[4], step2[7]);
1032 0 : const __m128i out_04_2 = _mm_madd_epi16(out_04_0, k__cospi_p28_p04);
1033 0 : const __m128i out_04_3 = _mm_madd_epi16(out_04_1, k__cospi_p28_p04);
1034 0 : const __m128i out_20_2 = _mm_madd_epi16(out_20_0, k__cospi_p12_p20);
1035 0 : const __m128i out_20_3 = _mm_madd_epi16(out_20_1, k__cospi_p12_p20);
1036 0 : const __m128i out_12_2 = _mm_madd_epi16(out_12_0, k__cospi_m20_p12);
1037 0 : const __m128i out_12_3 = _mm_madd_epi16(out_12_1, k__cospi_m20_p12);
1038 0 : const __m128i out_28_2 = _mm_madd_epi16(out_28_0, k__cospi_m04_p28);
1039 0 : const __m128i out_28_3 = _mm_madd_epi16(out_28_1, k__cospi_m04_p28);
1040 : // dct_const_round_shift
1041 0 : const __m128i out_04_4 =
1042 : _mm_add_epi32(out_04_2, k__DCT_CONST_ROUNDING);
1043 0 : const __m128i out_04_5 =
1044 : _mm_add_epi32(out_04_3, k__DCT_CONST_ROUNDING);
1045 0 : const __m128i out_20_4 =
1046 : _mm_add_epi32(out_20_2, k__DCT_CONST_ROUNDING);
1047 0 : const __m128i out_20_5 =
1048 : _mm_add_epi32(out_20_3, k__DCT_CONST_ROUNDING);
1049 0 : const __m128i out_12_4 =
1050 : _mm_add_epi32(out_12_2, k__DCT_CONST_ROUNDING);
1051 0 : const __m128i out_12_5 =
1052 : _mm_add_epi32(out_12_3, k__DCT_CONST_ROUNDING);
1053 0 : const __m128i out_28_4 =
1054 : _mm_add_epi32(out_28_2, k__DCT_CONST_ROUNDING);
1055 0 : const __m128i out_28_5 =
1056 : _mm_add_epi32(out_28_3, k__DCT_CONST_ROUNDING);
1057 0 : const __m128i out_04_6 = _mm_srai_epi32(out_04_4, DCT_CONST_BITS);
1058 0 : const __m128i out_04_7 = _mm_srai_epi32(out_04_5, DCT_CONST_BITS);
1059 0 : const __m128i out_20_6 = _mm_srai_epi32(out_20_4, DCT_CONST_BITS);
1060 0 : const __m128i out_20_7 = _mm_srai_epi32(out_20_5, DCT_CONST_BITS);
1061 0 : const __m128i out_12_6 = _mm_srai_epi32(out_12_4, DCT_CONST_BITS);
1062 0 : const __m128i out_12_7 = _mm_srai_epi32(out_12_5, DCT_CONST_BITS);
1063 0 : const __m128i out_28_6 = _mm_srai_epi32(out_28_4, DCT_CONST_BITS);
1064 0 : const __m128i out_28_7 = _mm_srai_epi32(out_28_5, DCT_CONST_BITS);
1065 : // Combine
1066 0 : out[4] = _mm_packs_epi32(out_04_6, out_04_7);
1067 0 : out[20] = _mm_packs_epi32(out_20_6, out_20_7);
1068 0 : out[12] = _mm_packs_epi32(out_12_6, out_12_7);
1069 0 : out[28] = _mm_packs_epi32(out_28_6, out_28_7);
1070 : #if DCT_HIGH_BIT_DEPTH
1071 0 : overflow =
1072 : check_epi16_overflow_x4(&out[4], &out[20], &out[12], &out[28]);
1073 0 : if (overflow) {
1074 0 : if (pass == 0)
1075 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
1076 : else
1077 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1078 0 : return;
1079 : }
1080 : #endif // DCT_HIGH_BIT_DEPTH
1081 : }
1082 : {
1083 0 : step3[8] = ADD_EPI16(step2[9], step1[8]);
1084 0 : step3[9] = SUB_EPI16(step1[8], step2[9]);
1085 0 : step3[10] = SUB_EPI16(step1[11], step2[10]);
1086 0 : step3[11] = ADD_EPI16(step2[10], step1[11]);
1087 0 : step3[12] = ADD_EPI16(step2[13], step1[12]);
1088 0 : step3[13] = SUB_EPI16(step1[12], step2[13]);
1089 0 : step3[14] = SUB_EPI16(step1[15], step2[14]);
1090 0 : step3[15] = ADD_EPI16(step2[14], step1[15]);
1091 : #if DCT_HIGH_BIT_DEPTH
1092 0 : overflow = check_epi16_overflow_x8(&step3[8], &step3[9], &step3[10],
1093 : &step3[11], &step3[12], &step3[13],
1094 : &step3[14], &step3[15]);
1095 0 : if (overflow) {
1096 0 : if (pass == 0)
1097 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
1098 : else
1099 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1100 0 : return;
1101 : }
1102 : #endif // DCT_HIGH_BIT_DEPTH
1103 : }
1104 : {
1105 0 : const __m128i s3_17_0 = _mm_unpacklo_epi16(step2[17], step2[30]);
1106 0 : const __m128i s3_17_1 = _mm_unpackhi_epi16(step2[17], step2[30]);
1107 0 : const __m128i s3_18_0 = _mm_unpacklo_epi16(step2[18], step2[29]);
1108 0 : const __m128i s3_18_1 = _mm_unpackhi_epi16(step2[18], step2[29]);
1109 0 : const __m128i s3_21_0 = _mm_unpacklo_epi16(step2[21], step2[26]);
1110 0 : const __m128i s3_21_1 = _mm_unpackhi_epi16(step2[21], step2[26]);
1111 0 : const __m128i s3_22_0 = _mm_unpacklo_epi16(step2[22], step2[25]);
1112 0 : const __m128i s3_22_1 = _mm_unpackhi_epi16(step2[22], step2[25]);
1113 0 : const __m128i s3_17_2 = _mm_madd_epi16(s3_17_0, k__cospi_m04_p28);
1114 0 : const __m128i s3_17_3 = _mm_madd_epi16(s3_17_1, k__cospi_m04_p28);
1115 0 : const __m128i s3_18_2 = _mm_madd_epi16(s3_18_0, k__cospi_m28_m04);
1116 0 : const __m128i s3_18_3 = _mm_madd_epi16(s3_18_1, k__cospi_m28_m04);
1117 0 : const __m128i s3_21_2 = _mm_madd_epi16(s3_21_0, k__cospi_m20_p12);
1118 0 : const __m128i s3_21_3 = _mm_madd_epi16(s3_21_1, k__cospi_m20_p12);
1119 0 : const __m128i s3_22_2 = _mm_madd_epi16(s3_22_0, k__cospi_m12_m20);
1120 0 : const __m128i s3_22_3 = _mm_madd_epi16(s3_22_1, k__cospi_m12_m20);
1121 0 : const __m128i s3_25_2 = _mm_madd_epi16(s3_22_0, k__cospi_m20_p12);
1122 0 : const __m128i s3_25_3 = _mm_madd_epi16(s3_22_1, k__cospi_m20_p12);
1123 0 : const __m128i s3_26_2 = _mm_madd_epi16(s3_21_0, k__cospi_p12_p20);
1124 0 : const __m128i s3_26_3 = _mm_madd_epi16(s3_21_1, k__cospi_p12_p20);
1125 0 : const __m128i s3_29_2 = _mm_madd_epi16(s3_18_0, k__cospi_m04_p28);
1126 0 : const __m128i s3_29_3 = _mm_madd_epi16(s3_18_1, k__cospi_m04_p28);
1127 0 : const __m128i s3_30_2 = _mm_madd_epi16(s3_17_0, k__cospi_p28_p04);
1128 0 : const __m128i s3_30_3 = _mm_madd_epi16(s3_17_1, k__cospi_p28_p04);
1129 : // dct_const_round_shift
1130 0 : const __m128i s3_17_4 = _mm_add_epi32(s3_17_2, k__DCT_CONST_ROUNDING);
1131 0 : const __m128i s3_17_5 = _mm_add_epi32(s3_17_3, k__DCT_CONST_ROUNDING);
1132 0 : const __m128i s3_18_4 = _mm_add_epi32(s3_18_2, k__DCT_CONST_ROUNDING);
1133 0 : const __m128i s3_18_5 = _mm_add_epi32(s3_18_3, k__DCT_CONST_ROUNDING);
1134 0 : const __m128i s3_21_4 = _mm_add_epi32(s3_21_2, k__DCT_CONST_ROUNDING);
1135 0 : const __m128i s3_21_5 = _mm_add_epi32(s3_21_3, k__DCT_CONST_ROUNDING);
1136 0 : const __m128i s3_22_4 = _mm_add_epi32(s3_22_2, k__DCT_CONST_ROUNDING);
1137 0 : const __m128i s3_22_5 = _mm_add_epi32(s3_22_3, k__DCT_CONST_ROUNDING);
1138 0 : const __m128i s3_17_6 = _mm_srai_epi32(s3_17_4, DCT_CONST_BITS);
1139 0 : const __m128i s3_17_7 = _mm_srai_epi32(s3_17_5, DCT_CONST_BITS);
1140 0 : const __m128i s3_18_6 = _mm_srai_epi32(s3_18_4, DCT_CONST_BITS);
1141 0 : const __m128i s3_18_7 = _mm_srai_epi32(s3_18_5, DCT_CONST_BITS);
1142 0 : const __m128i s3_21_6 = _mm_srai_epi32(s3_21_4, DCT_CONST_BITS);
1143 0 : const __m128i s3_21_7 = _mm_srai_epi32(s3_21_5, DCT_CONST_BITS);
1144 0 : const __m128i s3_22_6 = _mm_srai_epi32(s3_22_4, DCT_CONST_BITS);
1145 0 : const __m128i s3_22_7 = _mm_srai_epi32(s3_22_5, DCT_CONST_BITS);
1146 0 : const __m128i s3_25_4 = _mm_add_epi32(s3_25_2, k__DCT_CONST_ROUNDING);
1147 0 : const __m128i s3_25_5 = _mm_add_epi32(s3_25_3, k__DCT_CONST_ROUNDING);
1148 0 : const __m128i s3_26_4 = _mm_add_epi32(s3_26_2, k__DCT_CONST_ROUNDING);
1149 0 : const __m128i s3_26_5 = _mm_add_epi32(s3_26_3, k__DCT_CONST_ROUNDING);
1150 0 : const __m128i s3_29_4 = _mm_add_epi32(s3_29_2, k__DCT_CONST_ROUNDING);
1151 0 : const __m128i s3_29_5 = _mm_add_epi32(s3_29_3, k__DCT_CONST_ROUNDING);
1152 0 : const __m128i s3_30_4 = _mm_add_epi32(s3_30_2, k__DCT_CONST_ROUNDING);
1153 0 : const __m128i s3_30_5 = _mm_add_epi32(s3_30_3, k__DCT_CONST_ROUNDING);
1154 0 : const __m128i s3_25_6 = _mm_srai_epi32(s3_25_4, DCT_CONST_BITS);
1155 0 : const __m128i s3_25_7 = _mm_srai_epi32(s3_25_5, DCT_CONST_BITS);
1156 0 : const __m128i s3_26_6 = _mm_srai_epi32(s3_26_4, DCT_CONST_BITS);
1157 0 : const __m128i s3_26_7 = _mm_srai_epi32(s3_26_5, DCT_CONST_BITS);
1158 0 : const __m128i s3_29_6 = _mm_srai_epi32(s3_29_4, DCT_CONST_BITS);
1159 0 : const __m128i s3_29_7 = _mm_srai_epi32(s3_29_5, DCT_CONST_BITS);
1160 0 : const __m128i s3_30_6 = _mm_srai_epi32(s3_30_4, DCT_CONST_BITS);
1161 0 : const __m128i s3_30_7 = _mm_srai_epi32(s3_30_5, DCT_CONST_BITS);
1162 : // Combine
1163 0 : step3[17] = _mm_packs_epi32(s3_17_6, s3_17_7);
1164 0 : step3[18] = _mm_packs_epi32(s3_18_6, s3_18_7);
1165 0 : step3[21] = _mm_packs_epi32(s3_21_6, s3_21_7);
1166 0 : step3[22] = _mm_packs_epi32(s3_22_6, s3_22_7);
1167 : // Combine
1168 0 : step3[25] = _mm_packs_epi32(s3_25_6, s3_25_7);
1169 0 : step3[26] = _mm_packs_epi32(s3_26_6, s3_26_7);
1170 0 : step3[29] = _mm_packs_epi32(s3_29_6, s3_29_7);
1171 0 : step3[30] = _mm_packs_epi32(s3_30_6, s3_30_7);
1172 : #if DCT_HIGH_BIT_DEPTH
1173 0 : overflow = check_epi16_overflow_x8(&step3[17], &step3[18], &step3[21],
1174 : &step3[22], &step3[25], &step3[26],
1175 : &step3[29], &step3[30]);
1176 0 : if (overflow) {
1177 0 : if (pass == 0)
1178 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
1179 : else
1180 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1181 0 : return;
1182 : }
1183 : #endif // DCT_HIGH_BIT_DEPTH
1184 : }
1185 : // Stage 7
1186 : {
1187 0 : const __m128i out_02_0 = _mm_unpacklo_epi16(step3[8], step3[15]);
1188 0 : const __m128i out_02_1 = _mm_unpackhi_epi16(step3[8], step3[15]);
1189 0 : const __m128i out_18_0 = _mm_unpacklo_epi16(step3[9], step3[14]);
1190 0 : const __m128i out_18_1 = _mm_unpackhi_epi16(step3[9], step3[14]);
1191 0 : const __m128i out_10_0 = _mm_unpacklo_epi16(step3[10], step3[13]);
1192 0 : const __m128i out_10_1 = _mm_unpackhi_epi16(step3[10], step3[13]);
1193 0 : const __m128i out_26_0 = _mm_unpacklo_epi16(step3[11], step3[12]);
1194 0 : const __m128i out_26_1 = _mm_unpackhi_epi16(step3[11], step3[12]);
1195 0 : const __m128i out_02_2 = _mm_madd_epi16(out_02_0, k__cospi_p30_p02);
1196 0 : const __m128i out_02_3 = _mm_madd_epi16(out_02_1, k__cospi_p30_p02);
1197 0 : const __m128i out_18_2 = _mm_madd_epi16(out_18_0, k__cospi_p14_p18);
1198 0 : const __m128i out_18_3 = _mm_madd_epi16(out_18_1, k__cospi_p14_p18);
1199 0 : const __m128i out_10_2 = _mm_madd_epi16(out_10_0, k__cospi_p22_p10);
1200 0 : const __m128i out_10_3 = _mm_madd_epi16(out_10_1, k__cospi_p22_p10);
1201 0 : const __m128i out_26_2 = _mm_madd_epi16(out_26_0, k__cospi_p06_p26);
1202 0 : const __m128i out_26_3 = _mm_madd_epi16(out_26_1, k__cospi_p06_p26);
1203 0 : const __m128i out_06_2 = _mm_madd_epi16(out_26_0, k__cospi_m26_p06);
1204 0 : const __m128i out_06_3 = _mm_madd_epi16(out_26_1, k__cospi_m26_p06);
1205 0 : const __m128i out_22_2 = _mm_madd_epi16(out_10_0, k__cospi_m10_p22);
1206 0 : const __m128i out_22_3 = _mm_madd_epi16(out_10_1, k__cospi_m10_p22);
1207 0 : const __m128i out_14_2 = _mm_madd_epi16(out_18_0, k__cospi_m18_p14);
1208 0 : const __m128i out_14_3 = _mm_madd_epi16(out_18_1, k__cospi_m18_p14);
1209 0 : const __m128i out_30_2 = _mm_madd_epi16(out_02_0, k__cospi_m02_p30);
1210 0 : const __m128i out_30_3 = _mm_madd_epi16(out_02_1, k__cospi_m02_p30);
1211 : // dct_const_round_shift
1212 0 : const __m128i out_02_4 =
1213 : _mm_add_epi32(out_02_2, k__DCT_CONST_ROUNDING);
1214 0 : const __m128i out_02_5 =
1215 : _mm_add_epi32(out_02_3, k__DCT_CONST_ROUNDING);
1216 0 : const __m128i out_18_4 =
1217 : _mm_add_epi32(out_18_2, k__DCT_CONST_ROUNDING);
1218 0 : const __m128i out_18_5 =
1219 : _mm_add_epi32(out_18_3, k__DCT_CONST_ROUNDING);
1220 0 : const __m128i out_10_4 =
1221 : _mm_add_epi32(out_10_2, k__DCT_CONST_ROUNDING);
1222 0 : const __m128i out_10_5 =
1223 : _mm_add_epi32(out_10_3, k__DCT_CONST_ROUNDING);
1224 0 : const __m128i out_26_4 =
1225 : _mm_add_epi32(out_26_2, k__DCT_CONST_ROUNDING);
1226 0 : const __m128i out_26_5 =
1227 : _mm_add_epi32(out_26_3, k__DCT_CONST_ROUNDING);
1228 0 : const __m128i out_06_4 =
1229 : _mm_add_epi32(out_06_2, k__DCT_CONST_ROUNDING);
1230 0 : const __m128i out_06_5 =
1231 : _mm_add_epi32(out_06_3, k__DCT_CONST_ROUNDING);
1232 0 : const __m128i out_22_4 =
1233 : _mm_add_epi32(out_22_2, k__DCT_CONST_ROUNDING);
1234 0 : const __m128i out_22_5 =
1235 : _mm_add_epi32(out_22_3, k__DCT_CONST_ROUNDING);
1236 0 : const __m128i out_14_4 =
1237 : _mm_add_epi32(out_14_2, k__DCT_CONST_ROUNDING);
1238 0 : const __m128i out_14_5 =
1239 : _mm_add_epi32(out_14_3, k__DCT_CONST_ROUNDING);
1240 0 : const __m128i out_30_4 =
1241 : _mm_add_epi32(out_30_2, k__DCT_CONST_ROUNDING);
1242 0 : const __m128i out_30_5 =
1243 : _mm_add_epi32(out_30_3, k__DCT_CONST_ROUNDING);
1244 0 : const __m128i out_02_6 = _mm_srai_epi32(out_02_4, DCT_CONST_BITS);
1245 0 : const __m128i out_02_7 = _mm_srai_epi32(out_02_5, DCT_CONST_BITS);
1246 0 : const __m128i out_18_6 = _mm_srai_epi32(out_18_4, DCT_CONST_BITS);
1247 0 : const __m128i out_18_7 = _mm_srai_epi32(out_18_5, DCT_CONST_BITS);
1248 0 : const __m128i out_10_6 = _mm_srai_epi32(out_10_4, DCT_CONST_BITS);
1249 0 : const __m128i out_10_7 = _mm_srai_epi32(out_10_5, DCT_CONST_BITS);
1250 0 : const __m128i out_26_6 = _mm_srai_epi32(out_26_4, DCT_CONST_BITS);
1251 0 : const __m128i out_26_7 = _mm_srai_epi32(out_26_5, DCT_CONST_BITS);
1252 0 : const __m128i out_06_6 = _mm_srai_epi32(out_06_4, DCT_CONST_BITS);
1253 0 : const __m128i out_06_7 = _mm_srai_epi32(out_06_5, DCT_CONST_BITS);
1254 0 : const __m128i out_22_6 = _mm_srai_epi32(out_22_4, DCT_CONST_BITS);
1255 0 : const __m128i out_22_7 = _mm_srai_epi32(out_22_5, DCT_CONST_BITS);
1256 0 : const __m128i out_14_6 = _mm_srai_epi32(out_14_4, DCT_CONST_BITS);
1257 0 : const __m128i out_14_7 = _mm_srai_epi32(out_14_5, DCT_CONST_BITS);
1258 0 : const __m128i out_30_6 = _mm_srai_epi32(out_30_4, DCT_CONST_BITS);
1259 0 : const __m128i out_30_7 = _mm_srai_epi32(out_30_5, DCT_CONST_BITS);
1260 : // Combine
1261 0 : out[2] = _mm_packs_epi32(out_02_6, out_02_7);
1262 0 : out[18] = _mm_packs_epi32(out_18_6, out_18_7);
1263 0 : out[10] = _mm_packs_epi32(out_10_6, out_10_7);
1264 0 : out[26] = _mm_packs_epi32(out_26_6, out_26_7);
1265 0 : out[6] = _mm_packs_epi32(out_06_6, out_06_7);
1266 0 : out[22] = _mm_packs_epi32(out_22_6, out_22_7);
1267 0 : out[14] = _mm_packs_epi32(out_14_6, out_14_7);
1268 0 : out[30] = _mm_packs_epi32(out_30_6, out_30_7);
1269 : #if DCT_HIGH_BIT_DEPTH
1270 0 : overflow =
1271 : check_epi16_overflow_x8(&out[2], &out[18], &out[10], &out[26],
1272 : &out[6], &out[22], &out[14], &out[30]);
1273 0 : if (overflow) {
1274 0 : if (pass == 0)
1275 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
1276 : else
1277 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1278 0 : return;
1279 : }
1280 : #endif // DCT_HIGH_BIT_DEPTH
1281 : }
1282 : {
1283 0 : step1[16] = ADD_EPI16(step3[17], step2[16]);
1284 0 : step1[17] = SUB_EPI16(step2[16], step3[17]);
1285 0 : step1[18] = SUB_EPI16(step2[19], step3[18]);
1286 0 : step1[19] = ADD_EPI16(step3[18], step2[19]);
1287 0 : step1[20] = ADD_EPI16(step3[21], step2[20]);
1288 0 : step1[21] = SUB_EPI16(step2[20], step3[21]);
1289 0 : step1[22] = SUB_EPI16(step2[23], step3[22]);
1290 0 : step1[23] = ADD_EPI16(step3[22], step2[23]);
1291 0 : step1[24] = ADD_EPI16(step3[25], step2[24]);
1292 0 : step1[25] = SUB_EPI16(step2[24], step3[25]);
1293 0 : step1[26] = SUB_EPI16(step2[27], step3[26]);
1294 0 : step1[27] = ADD_EPI16(step3[26], step2[27]);
1295 0 : step1[28] = ADD_EPI16(step3[29], step2[28]);
1296 0 : step1[29] = SUB_EPI16(step2[28], step3[29]);
1297 0 : step1[30] = SUB_EPI16(step2[31], step3[30]);
1298 0 : step1[31] = ADD_EPI16(step3[30], step2[31]);
1299 : #if DCT_HIGH_BIT_DEPTH
1300 0 : overflow = check_epi16_overflow_x16(
1301 : &step1[16], &step1[17], &step1[18], &step1[19], &step1[20],
1302 : &step1[21], &step1[22], &step1[23], &step1[24], &step1[25],
1303 : &step1[26], &step1[27], &step1[28], &step1[29], &step1[30],
1304 : &step1[31]);
1305 0 : if (overflow) {
1306 0 : if (pass == 0)
1307 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
1308 : else
1309 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1310 0 : return;
1311 : }
1312 : #endif // DCT_HIGH_BIT_DEPTH
1313 : }
1314 : // Final stage --- outputs indices are bit-reversed.
1315 : {
1316 0 : const __m128i out_01_0 = _mm_unpacklo_epi16(step1[16], step1[31]);
1317 0 : const __m128i out_01_1 = _mm_unpackhi_epi16(step1[16], step1[31]);
1318 0 : const __m128i out_17_0 = _mm_unpacklo_epi16(step1[17], step1[30]);
1319 0 : const __m128i out_17_1 = _mm_unpackhi_epi16(step1[17], step1[30]);
1320 0 : const __m128i out_09_0 = _mm_unpacklo_epi16(step1[18], step1[29]);
1321 0 : const __m128i out_09_1 = _mm_unpackhi_epi16(step1[18], step1[29]);
1322 0 : const __m128i out_25_0 = _mm_unpacklo_epi16(step1[19], step1[28]);
1323 0 : const __m128i out_25_1 = _mm_unpackhi_epi16(step1[19], step1[28]);
1324 0 : const __m128i out_01_2 = _mm_madd_epi16(out_01_0, k__cospi_p31_p01);
1325 0 : const __m128i out_01_3 = _mm_madd_epi16(out_01_1, k__cospi_p31_p01);
1326 0 : const __m128i out_17_2 = _mm_madd_epi16(out_17_0, k__cospi_p15_p17);
1327 0 : const __m128i out_17_3 = _mm_madd_epi16(out_17_1, k__cospi_p15_p17);
1328 0 : const __m128i out_09_2 = _mm_madd_epi16(out_09_0, k__cospi_p23_p09);
1329 0 : const __m128i out_09_3 = _mm_madd_epi16(out_09_1, k__cospi_p23_p09);
1330 0 : const __m128i out_25_2 = _mm_madd_epi16(out_25_0, k__cospi_p07_p25);
1331 0 : const __m128i out_25_3 = _mm_madd_epi16(out_25_1, k__cospi_p07_p25);
1332 0 : const __m128i out_07_2 = _mm_madd_epi16(out_25_0, k__cospi_m25_p07);
1333 0 : const __m128i out_07_3 = _mm_madd_epi16(out_25_1, k__cospi_m25_p07);
1334 0 : const __m128i out_23_2 = _mm_madd_epi16(out_09_0, k__cospi_m09_p23);
1335 0 : const __m128i out_23_3 = _mm_madd_epi16(out_09_1, k__cospi_m09_p23);
1336 0 : const __m128i out_15_2 = _mm_madd_epi16(out_17_0, k__cospi_m17_p15);
1337 0 : const __m128i out_15_3 = _mm_madd_epi16(out_17_1, k__cospi_m17_p15);
1338 0 : const __m128i out_31_2 = _mm_madd_epi16(out_01_0, k__cospi_m01_p31);
1339 0 : const __m128i out_31_3 = _mm_madd_epi16(out_01_1, k__cospi_m01_p31);
1340 : // dct_const_round_shift
1341 0 : const __m128i out_01_4 =
1342 : _mm_add_epi32(out_01_2, k__DCT_CONST_ROUNDING);
1343 0 : const __m128i out_01_5 =
1344 : _mm_add_epi32(out_01_3, k__DCT_CONST_ROUNDING);
1345 0 : const __m128i out_17_4 =
1346 : _mm_add_epi32(out_17_2, k__DCT_CONST_ROUNDING);
1347 0 : const __m128i out_17_5 =
1348 : _mm_add_epi32(out_17_3, k__DCT_CONST_ROUNDING);
1349 0 : const __m128i out_09_4 =
1350 : _mm_add_epi32(out_09_2, k__DCT_CONST_ROUNDING);
1351 0 : const __m128i out_09_5 =
1352 : _mm_add_epi32(out_09_3, k__DCT_CONST_ROUNDING);
1353 0 : const __m128i out_25_4 =
1354 : _mm_add_epi32(out_25_2, k__DCT_CONST_ROUNDING);
1355 0 : const __m128i out_25_5 =
1356 : _mm_add_epi32(out_25_3, k__DCT_CONST_ROUNDING);
1357 0 : const __m128i out_07_4 =
1358 : _mm_add_epi32(out_07_2, k__DCT_CONST_ROUNDING);
1359 0 : const __m128i out_07_5 =
1360 : _mm_add_epi32(out_07_3, k__DCT_CONST_ROUNDING);
1361 0 : const __m128i out_23_4 =
1362 : _mm_add_epi32(out_23_2, k__DCT_CONST_ROUNDING);
1363 0 : const __m128i out_23_5 =
1364 : _mm_add_epi32(out_23_3, k__DCT_CONST_ROUNDING);
1365 0 : const __m128i out_15_4 =
1366 : _mm_add_epi32(out_15_2, k__DCT_CONST_ROUNDING);
1367 0 : const __m128i out_15_5 =
1368 : _mm_add_epi32(out_15_3, k__DCT_CONST_ROUNDING);
1369 0 : const __m128i out_31_4 =
1370 : _mm_add_epi32(out_31_2, k__DCT_CONST_ROUNDING);
1371 0 : const __m128i out_31_5 =
1372 : _mm_add_epi32(out_31_3, k__DCT_CONST_ROUNDING);
1373 0 : const __m128i out_01_6 = _mm_srai_epi32(out_01_4, DCT_CONST_BITS);
1374 0 : const __m128i out_01_7 = _mm_srai_epi32(out_01_5, DCT_CONST_BITS);
1375 0 : const __m128i out_17_6 = _mm_srai_epi32(out_17_4, DCT_CONST_BITS);
1376 0 : const __m128i out_17_7 = _mm_srai_epi32(out_17_5, DCT_CONST_BITS);
1377 0 : const __m128i out_09_6 = _mm_srai_epi32(out_09_4, DCT_CONST_BITS);
1378 0 : const __m128i out_09_7 = _mm_srai_epi32(out_09_5, DCT_CONST_BITS);
1379 0 : const __m128i out_25_6 = _mm_srai_epi32(out_25_4, DCT_CONST_BITS);
1380 0 : const __m128i out_25_7 = _mm_srai_epi32(out_25_5, DCT_CONST_BITS);
1381 0 : const __m128i out_07_6 = _mm_srai_epi32(out_07_4, DCT_CONST_BITS);
1382 0 : const __m128i out_07_7 = _mm_srai_epi32(out_07_5, DCT_CONST_BITS);
1383 0 : const __m128i out_23_6 = _mm_srai_epi32(out_23_4, DCT_CONST_BITS);
1384 0 : const __m128i out_23_7 = _mm_srai_epi32(out_23_5, DCT_CONST_BITS);
1385 0 : const __m128i out_15_6 = _mm_srai_epi32(out_15_4, DCT_CONST_BITS);
1386 0 : const __m128i out_15_7 = _mm_srai_epi32(out_15_5, DCT_CONST_BITS);
1387 0 : const __m128i out_31_6 = _mm_srai_epi32(out_31_4, DCT_CONST_BITS);
1388 0 : const __m128i out_31_7 = _mm_srai_epi32(out_31_5, DCT_CONST_BITS);
1389 : // Combine
1390 0 : out[1] = _mm_packs_epi32(out_01_6, out_01_7);
1391 0 : out[17] = _mm_packs_epi32(out_17_6, out_17_7);
1392 0 : out[9] = _mm_packs_epi32(out_09_6, out_09_7);
1393 0 : out[25] = _mm_packs_epi32(out_25_6, out_25_7);
1394 0 : out[7] = _mm_packs_epi32(out_07_6, out_07_7);
1395 0 : out[23] = _mm_packs_epi32(out_23_6, out_23_7);
1396 0 : out[15] = _mm_packs_epi32(out_15_6, out_15_7);
1397 0 : out[31] = _mm_packs_epi32(out_31_6, out_31_7);
1398 : #if DCT_HIGH_BIT_DEPTH
1399 0 : overflow =
1400 : check_epi16_overflow_x8(&out[1], &out[17], &out[9], &out[25],
1401 : &out[7], &out[23], &out[15], &out[31]);
1402 0 : if (overflow) {
1403 0 : if (pass == 0)
1404 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
1405 : else
1406 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1407 0 : return;
1408 : }
1409 : #endif // DCT_HIGH_BIT_DEPTH
1410 : }
1411 : {
1412 0 : const __m128i out_05_0 = _mm_unpacklo_epi16(step1[20], step1[27]);
1413 0 : const __m128i out_05_1 = _mm_unpackhi_epi16(step1[20], step1[27]);
1414 0 : const __m128i out_21_0 = _mm_unpacklo_epi16(step1[21], step1[26]);
1415 0 : const __m128i out_21_1 = _mm_unpackhi_epi16(step1[21], step1[26]);
1416 0 : const __m128i out_13_0 = _mm_unpacklo_epi16(step1[22], step1[25]);
1417 0 : const __m128i out_13_1 = _mm_unpackhi_epi16(step1[22], step1[25]);
1418 0 : const __m128i out_29_0 = _mm_unpacklo_epi16(step1[23], step1[24]);
1419 0 : const __m128i out_29_1 = _mm_unpackhi_epi16(step1[23], step1[24]);
1420 0 : const __m128i out_05_2 = _mm_madd_epi16(out_05_0, k__cospi_p27_p05);
1421 0 : const __m128i out_05_3 = _mm_madd_epi16(out_05_1, k__cospi_p27_p05);
1422 0 : const __m128i out_21_2 = _mm_madd_epi16(out_21_0, k__cospi_p11_p21);
1423 0 : const __m128i out_21_3 = _mm_madd_epi16(out_21_1, k__cospi_p11_p21);
1424 0 : const __m128i out_13_2 = _mm_madd_epi16(out_13_0, k__cospi_p19_p13);
1425 0 : const __m128i out_13_3 = _mm_madd_epi16(out_13_1, k__cospi_p19_p13);
1426 0 : const __m128i out_29_2 = _mm_madd_epi16(out_29_0, k__cospi_p03_p29);
1427 0 : const __m128i out_29_3 = _mm_madd_epi16(out_29_1, k__cospi_p03_p29);
1428 0 : const __m128i out_03_2 = _mm_madd_epi16(out_29_0, k__cospi_m29_p03);
1429 0 : const __m128i out_03_3 = _mm_madd_epi16(out_29_1, k__cospi_m29_p03);
1430 0 : const __m128i out_19_2 = _mm_madd_epi16(out_13_0, k__cospi_m13_p19);
1431 0 : const __m128i out_19_3 = _mm_madd_epi16(out_13_1, k__cospi_m13_p19);
1432 0 : const __m128i out_11_2 = _mm_madd_epi16(out_21_0, k__cospi_m21_p11);
1433 0 : const __m128i out_11_3 = _mm_madd_epi16(out_21_1, k__cospi_m21_p11);
1434 0 : const __m128i out_27_2 = _mm_madd_epi16(out_05_0, k__cospi_m05_p27);
1435 0 : const __m128i out_27_3 = _mm_madd_epi16(out_05_1, k__cospi_m05_p27);
1436 : // dct_const_round_shift
1437 0 : const __m128i out_05_4 =
1438 : _mm_add_epi32(out_05_2, k__DCT_CONST_ROUNDING);
1439 0 : const __m128i out_05_5 =
1440 : _mm_add_epi32(out_05_3, k__DCT_CONST_ROUNDING);
1441 0 : const __m128i out_21_4 =
1442 : _mm_add_epi32(out_21_2, k__DCT_CONST_ROUNDING);
1443 0 : const __m128i out_21_5 =
1444 : _mm_add_epi32(out_21_3, k__DCT_CONST_ROUNDING);
1445 0 : const __m128i out_13_4 =
1446 : _mm_add_epi32(out_13_2, k__DCT_CONST_ROUNDING);
1447 0 : const __m128i out_13_5 =
1448 : _mm_add_epi32(out_13_3, k__DCT_CONST_ROUNDING);
1449 0 : const __m128i out_29_4 =
1450 : _mm_add_epi32(out_29_2, k__DCT_CONST_ROUNDING);
1451 0 : const __m128i out_29_5 =
1452 : _mm_add_epi32(out_29_3, k__DCT_CONST_ROUNDING);
1453 0 : const __m128i out_03_4 =
1454 : _mm_add_epi32(out_03_2, k__DCT_CONST_ROUNDING);
1455 0 : const __m128i out_03_5 =
1456 : _mm_add_epi32(out_03_3, k__DCT_CONST_ROUNDING);
1457 0 : const __m128i out_19_4 =
1458 : _mm_add_epi32(out_19_2, k__DCT_CONST_ROUNDING);
1459 0 : const __m128i out_19_5 =
1460 : _mm_add_epi32(out_19_3, k__DCT_CONST_ROUNDING);
1461 0 : const __m128i out_11_4 =
1462 : _mm_add_epi32(out_11_2, k__DCT_CONST_ROUNDING);
1463 0 : const __m128i out_11_5 =
1464 : _mm_add_epi32(out_11_3, k__DCT_CONST_ROUNDING);
1465 0 : const __m128i out_27_4 =
1466 : _mm_add_epi32(out_27_2, k__DCT_CONST_ROUNDING);
1467 0 : const __m128i out_27_5 =
1468 : _mm_add_epi32(out_27_3, k__DCT_CONST_ROUNDING);
1469 0 : const __m128i out_05_6 = _mm_srai_epi32(out_05_4, DCT_CONST_BITS);
1470 0 : const __m128i out_05_7 = _mm_srai_epi32(out_05_5, DCT_CONST_BITS);
1471 0 : const __m128i out_21_6 = _mm_srai_epi32(out_21_4, DCT_CONST_BITS);
1472 0 : const __m128i out_21_7 = _mm_srai_epi32(out_21_5, DCT_CONST_BITS);
1473 0 : const __m128i out_13_6 = _mm_srai_epi32(out_13_4, DCT_CONST_BITS);
1474 0 : const __m128i out_13_7 = _mm_srai_epi32(out_13_5, DCT_CONST_BITS);
1475 0 : const __m128i out_29_6 = _mm_srai_epi32(out_29_4, DCT_CONST_BITS);
1476 0 : const __m128i out_29_7 = _mm_srai_epi32(out_29_5, DCT_CONST_BITS);
1477 0 : const __m128i out_03_6 = _mm_srai_epi32(out_03_4, DCT_CONST_BITS);
1478 0 : const __m128i out_03_7 = _mm_srai_epi32(out_03_5, DCT_CONST_BITS);
1479 0 : const __m128i out_19_6 = _mm_srai_epi32(out_19_4, DCT_CONST_BITS);
1480 0 : const __m128i out_19_7 = _mm_srai_epi32(out_19_5, DCT_CONST_BITS);
1481 0 : const __m128i out_11_6 = _mm_srai_epi32(out_11_4, DCT_CONST_BITS);
1482 0 : const __m128i out_11_7 = _mm_srai_epi32(out_11_5, DCT_CONST_BITS);
1483 0 : const __m128i out_27_6 = _mm_srai_epi32(out_27_4, DCT_CONST_BITS);
1484 0 : const __m128i out_27_7 = _mm_srai_epi32(out_27_5, DCT_CONST_BITS);
1485 : // Combine
1486 0 : out[5] = _mm_packs_epi32(out_05_6, out_05_7);
1487 0 : out[21] = _mm_packs_epi32(out_21_6, out_21_7);
1488 0 : out[13] = _mm_packs_epi32(out_13_6, out_13_7);
1489 0 : out[29] = _mm_packs_epi32(out_29_6, out_29_7);
1490 0 : out[3] = _mm_packs_epi32(out_03_6, out_03_7);
1491 0 : out[19] = _mm_packs_epi32(out_19_6, out_19_7);
1492 0 : out[11] = _mm_packs_epi32(out_11_6, out_11_7);
1493 0 : out[27] = _mm_packs_epi32(out_27_6, out_27_7);
1494 : #if DCT_HIGH_BIT_DEPTH
1495 0 : overflow =
1496 : check_epi16_overflow_x8(&out[5], &out[21], &out[13], &out[29],
1497 : &out[3], &out[19], &out[11], &out[27]);
1498 0 : if (overflow) {
1499 0 : if (pass == 0)
1500 0 : HIGH_FDCT32x32_2D_C(input, output_org, stride);
1501 : else
1502 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1503 0 : return;
1504 : }
1505 : #endif // DCT_HIGH_BIT_DEPTH
1506 : }
1507 : #if FDCT32x32_HIGH_PRECISION
1508 : } else {
1509 : __m128i lstep1[64], lstep2[64], lstep3[64];
1510 : __m128i u[32], v[32], sign[16];
1511 0 : const __m128i K32One = _mm_set_epi32(1, 1, 1, 1);
1512 : // start using 32-bit operations
1513 : // stage 3
1514 : {
1515 : // expanding to 32-bit length priori to addition operations
1516 0 : lstep2[0] = _mm_unpacklo_epi16(step2[0], kZero);
1517 0 : lstep2[1] = _mm_unpackhi_epi16(step2[0], kZero);
1518 0 : lstep2[2] = _mm_unpacklo_epi16(step2[1], kZero);
1519 0 : lstep2[3] = _mm_unpackhi_epi16(step2[1], kZero);
1520 0 : lstep2[4] = _mm_unpacklo_epi16(step2[2], kZero);
1521 0 : lstep2[5] = _mm_unpackhi_epi16(step2[2], kZero);
1522 0 : lstep2[6] = _mm_unpacklo_epi16(step2[3], kZero);
1523 0 : lstep2[7] = _mm_unpackhi_epi16(step2[3], kZero);
1524 0 : lstep2[8] = _mm_unpacklo_epi16(step2[4], kZero);
1525 0 : lstep2[9] = _mm_unpackhi_epi16(step2[4], kZero);
1526 0 : lstep2[10] = _mm_unpacklo_epi16(step2[5], kZero);
1527 0 : lstep2[11] = _mm_unpackhi_epi16(step2[5], kZero);
1528 0 : lstep2[12] = _mm_unpacklo_epi16(step2[6], kZero);
1529 0 : lstep2[13] = _mm_unpackhi_epi16(step2[6], kZero);
1530 0 : lstep2[14] = _mm_unpacklo_epi16(step2[7], kZero);
1531 0 : lstep2[15] = _mm_unpackhi_epi16(step2[7], kZero);
1532 0 : lstep2[0] = _mm_madd_epi16(lstep2[0], kOne);
1533 0 : lstep2[1] = _mm_madd_epi16(lstep2[1], kOne);
1534 0 : lstep2[2] = _mm_madd_epi16(lstep2[2], kOne);
1535 0 : lstep2[3] = _mm_madd_epi16(lstep2[3], kOne);
1536 0 : lstep2[4] = _mm_madd_epi16(lstep2[4], kOne);
1537 0 : lstep2[5] = _mm_madd_epi16(lstep2[5], kOne);
1538 0 : lstep2[6] = _mm_madd_epi16(lstep2[6], kOne);
1539 0 : lstep2[7] = _mm_madd_epi16(lstep2[7], kOne);
1540 0 : lstep2[8] = _mm_madd_epi16(lstep2[8], kOne);
1541 0 : lstep2[9] = _mm_madd_epi16(lstep2[9], kOne);
1542 0 : lstep2[10] = _mm_madd_epi16(lstep2[10], kOne);
1543 0 : lstep2[11] = _mm_madd_epi16(lstep2[11], kOne);
1544 0 : lstep2[12] = _mm_madd_epi16(lstep2[12], kOne);
1545 0 : lstep2[13] = _mm_madd_epi16(lstep2[13], kOne);
1546 0 : lstep2[14] = _mm_madd_epi16(lstep2[14], kOne);
1547 0 : lstep2[15] = _mm_madd_epi16(lstep2[15], kOne);
1548 :
1549 0 : lstep3[0] = _mm_add_epi32(lstep2[14], lstep2[0]);
1550 0 : lstep3[1] = _mm_add_epi32(lstep2[15], lstep2[1]);
1551 0 : lstep3[2] = _mm_add_epi32(lstep2[12], lstep2[2]);
1552 0 : lstep3[3] = _mm_add_epi32(lstep2[13], lstep2[3]);
1553 0 : lstep3[4] = _mm_add_epi32(lstep2[10], lstep2[4]);
1554 0 : lstep3[5] = _mm_add_epi32(lstep2[11], lstep2[5]);
1555 0 : lstep3[6] = _mm_add_epi32(lstep2[8], lstep2[6]);
1556 0 : lstep3[7] = _mm_add_epi32(lstep2[9], lstep2[7]);
1557 0 : lstep3[8] = _mm_sub_epi32(lstep2[6], lstep2[8]);
1558 0 : lstep3[9] = _mm_sub_epi32(lstep2[7], lstep2[9]);
1559 0 : lstep3[10] = _mm_sub_epi32(lstep2[4], lstep2[10]);
1560 0 : lstep3[11] = _mm_sub_epi32(lstep2[5], lstep2[11]);
1561 0 : lstep3[12] = _mm_sub_epi32(lstep2[2], lstep2[12]);
1562 0 : lstep3[13] = _mm_sub_epi32(lstep2[3], lstep2[13]);
1563 0 : lstep3[14] = _mm_sub_epi32(lstep2[0], lstep2[14]);
1564 0 : lstep3[15] = _mm_sub_epi32(lstep2[1], lstep2[15]);
1565 : }
1566 : {
1567 0 : const __m128i s3_10_0 = _mm_unpacklo_epi16(step2[13], step2[10]);
1568 0 : const __m128i s3_10_1 = _mm_unpackhi_epi16(step2[13], step2[10]);
1569 0 : const __m128i s3_11_0 = _mm_unpacklo_epi16(step2[12], step2[11]);
1570 0 : const __m128i s3_11_1 = _mm_unpackhi_epi16(step2[12], step2[11]);
1571 0 : const __m128i s3_10_2 = _mm_madd_epi16(s3_10_0, k__cospi_p16_m16);
1572 0 : const __m128i s3_10_3 = _mm_madd_epi16(s3_10_1, k__cospi_p16_m16);
1573 0 : const __m128i s3_11_2 = _mm_madd_epi16(s3_11_0, k__cospi_p16_m16);
1574 0 : const __m128i s3_11_3 = _mm_madd_epi16(s3_11_1, k__cospi_p16_m16);
1575 0 : const __m128i s3_12_2 = _mm_madd_epi16(s3_11_0, k__cospi_p16_p16);
1576 0 : const __m128i s3_12_3 = _mm_madd_epi16(s3_11_1, k__cospi_p16_p16);
1577 0 : const __m128i s3_13_2 = _mm_madd_epi16(s3_10_0, k__cospi_p16_p16);
1578 0 : const __m128i s3_13_3 = _mm_madd_epi16(s3_10_1, k__cospi_p16_p16);
1579 : // dct_const_round_shift
1580 0 : const __m128i s3_10_4 = _mm_add_epi32(s3_10_2, k__DCT_CONST_ROUNDING);
1581 0 : const __m128i s3_10_5 = _mm_add_epi32(s3_10_3, k__DCT_CONST_ROUNDING);
1582 0 : const __m128i s3_11_4 = _mm_add_epi32(s3_11_2, k__DCT_CONST_ROUNDING);
1583 0 : const __m128i s3_11_5 = _mm_add_epi32(s3_11_3, k__DCT_CONST_ROUNDING);
1584 0 : const __m128i s3_12_4 = _mm_add_epi32(s3_12_2, k__DCT_CONST_ROUNDING);
1585 0 : const __m128i s3_12_5 = _mm_add_epi32(s3_12_3, k__DCT_CONST_ROUNDING);
1586 0 : const __m128i s3_13_4 = _mm_add_epi32(s3_13_2, k__DCT_CONST_ROUNDING);
1587 0 : const __m128i s3_13_5 = _mm_add_epi32(s3_13_3, k__DCT_CONST_ROUNDING);
1588 0 : lstep3[20] = _mm_srai_epi32(s3_10_4, DCT_CONST_BITS);
1589 0 : lstep3[21] = _mm_srai_epi32(s3_10_5, DCT_CONST_BITS);
1590 0 : lstep3[22] = _mm_srai_epi32(s3_11_4, DCT_CONST_BITS);
1591 0 : lstep3[23] = _mm_srai_epi32(s3_11_5, DCT_CONST_BITS);
1592 0 : lstep3[24] = _mm_srai_epi32(s3_12_4, DCT_CONST_BITS);
1593 0 : lstep3[25] = _mm_srai_epi32(s3_12_5, DCT_CONST_BITS);
1594 0 : lstep3[26] = _mm_srai_epi32(s3_13_4, DCT_CONST_BITS);
1595 0 : lstep3[27] = _mm_srai_epi32(s3_13_5, DCT_CONST_BITS);
1596 : }
1597 : {
1598 0 : lstep2[40] = _mm_unpacklo_epi16(step2[20], kZero);
1599 0 : lstep2[41] = _mm_unpackhi_epi16(step2[20], kZero);
1600 0 : lstep2[42] = _mm_unpacklo_epi16(step2[21], kZero);
1601 0 : lstep2[43] = _mm_unpackhi_epi16(step2[21], kZero);
1602 0 : lstep2[44] = _mm_unpacklo_epi16(step2[22], kZero);
1603 0 : lstep2[45] = _mm_unpackhi_epi16(step2[22], kZero);
1604 0 : lstep2[46] = _mm_unpacklo_epi16(step2[23], kZero);
1605 0 : lstep2[47] = _mm_unpackhi_epi16(step2[23], kZero);
1606 0 : lstep2[48] = _mm_unpacklo_epi16(step2[24], kZero);
1607 0 : lstep2[49] = _mm_unpackhi_epi16(step2[24], kZero);
1608 0 : lstep2[50] = _mm_unpacklo_epi16(step2[25], kZero);
1609 0 : lstep2[51] = _mm_unpackhi_epi16(step2[25], kZero);
1610 0 : lstep2[52] = _mm_unpacklo_epi16(step2[26], kZero);
1611 0 : lstep2[53] = _mm_unpackhi_epi16(step2[26], kZero);
1612 0 : lstep2[54] = _mm_unpacklo_epi16(step2[27], kZero);
1613 0 : lstep2[55] = _mm_unpackhi_epi16(step2[27], kZero);
1614 0 : lstep2[40] = _mm_madd_epi16(lstep2[40], kOne);
1615 0 : lstep2[41] = _mm_madd_epi16(lstep2[41], kOne);
1616 0 : lstep2[42] = _mm_madd_epi16(lstep2[42], kOne);
1617 0 : lstep2[43] = _mm_madd_epi16(lstep2[43], kOne);
1618 0 : lstep2[44] = _mm_madd_epi16(lstep2[44], kOne);
1619 0 : lstep2[45] = _mm_madd_epi16(lstep2[45], kOne);
1620 0 : lstep2[46] = _mm_madd_epi16(lstep2[46], kOne);
1621 0 : lstep2[47] = _mm_madd_epi16(lstep2[47], kOne);
1622 0 : lstep2[48] = _mm_madd_epi16(lstep2[48], kOne);
1623 0 : lstep2[49] = _mm_madd_epi16(lstep2[49], kOne);
1624 0 : lstep2[50] = _mm_madd_epi16(lstep2[50], kOne);
1625 0 : lstep2[51] = _mm_madd_epi16(lstep2[51], kOne);
1626 0 : lstep2[52] = _mm_madd_epi16(lstep2[52], kOne);
1627 0 : lstep2[53] = _mm_madd_epi16(lstep2[53], kOne);
1628 0 : lstep2[54] = _mm_madd_epi16(lstep2[54], kOne);
1629 0 : lstep2[55] = _mm_madd_epi16(lstep2[55], kOne);
1630 :
1631 0 : lstep1[32] = _mm_unpacklo_epi16(step1[16], kZero);
1632 0 : lstep1[33] = _mm_unpackhi_epi16(step1[16], kZero);
1633 0 : lstep1[34] = _mm_unpacklo_epi16(step1[17], kZero);
1634 0 : lstep1[35] = _mm_unpackhi_epi16(step1[17], kZero);
1635 0 : lstep1[36] = _mm_unpacklo_epi16(step1[18], kZero);
1636 0 : lstep1[37] = _mm_unpackhi_epi16(step1[18], kZero);
1637 0 : lstep1[38] = _mm_unpacklo_epi16(step1[19], kZero);
1638 0 : lstep1[39] = _mm_unpackhi_epi16(step1[19], kZero);
1639 0 : lstep1[56] = _mm_unpacklo_epi16(step1[28], kZero);
1640 0 : lstep1[57] = _mm_unpackhi_epi16(step1[28], kZero);
1641 0 : lstep1[58] = _mm_unpacklo_epi16(step1[29], kZero);
1642 0 : lstep1[59] = _mm_unpackhi_epi16(step1[29], kZero);
1643 0 : lstep1[60] = _mm_unpacklo_epi16(step1[30], kZero);
1644 0 : lstep1[61] = _mm_unpackhi_epi16(step1[30], kZero);
1645 0 : lstep1[62] = _mm_unpacklo_epi16(step1[31], kZero);
1646 0 : lstep1[63] = _mm_unpackhi_epi16(step1[31], kZero);
1647 0 : lstep1[32] = _mm_madd_epi16(lstep1[32], kOne);
1648 0 : lstep1[33] = _mm_madd_epi16(lstep1[33], kOne);
1649 0 : lstep1[34] = _mm_madd_epi16(lstep1[34], kOne);
1650 0 : lstep1[35] = _mm_madd_epi16(lstep1[35], kOne);
1651 0 : lstep1[36] = _mm_madd_epi16(lstep1[36], kOne);
1652 0 : lstep1[37] = _mm_madd_epi16(lstep1[37], kOne);
1653 0 : lstep1[38] = _mm_madd_epi16(lstep1[38], kOne);
1654 0 : lstep1[39] = _mm_madd_epi16(lstep1[39], kOne);
1655 0 : lstep1[56] = _mm_madd_epi16(lstep1[56], kOne);
1656 0 : lstep1[57] = _mm_madd_epi16(lstep1[57], kOne);
1657 0 : lstep1[58] = _mm_madd_epi16(lstep1[58], kOne);
1658 0 : lstep1[59] = _mm_madd_epi16(lstep1[59], kOne);
1659 0 : lstep1[60] = _mm_madd_epi16(lstep1[60], kOne);
1660 0 : lstep1[61] = _mm_madd_epi16(lstep1[61], kOne);
1661 0 : lstep1[62] = _mm_madd_epi16(lstep1[62], kOne);
1662 0 : lstep1[63] = _mm_madd_epi16(lstep1[63], kOne);
1663 :
1664 0 : lstep3[32] = _mm_add_epi32(lstep2[46], lstep1[32]);
1665 0 : lstep3[33] = _mm_add_epi32(lstep2[47], lstep1[33]);
1666 :
1667 0 : lstep3[34] = _mm_add_epi32(lstep2[44], lstep1[34]);
1668 0 : lstep3[35] = _mm_add_epi32(lstep2[45], lstep1[35]);
1669 0 : lstep3[36] = _mm_add_epi32(lstep2[42], lstep1[36]);
1670 0 : lstep3[37] = _mm_add_epi32(lstep2[43], lstep1[37]);
1671 0 : lstep3[38] = _mm_add_epi32(lstep2[40], lstep1[38]);
1672 0 : lstep3[39] = _mm_add_epi32(lstep2[41], lstep1[39]);
1673 0 : lstep3[40] = _mm_sub_epi32(lstep1[38], lstep2[40]);
1674 0 : lstep3[41] = _mm_sub_epi32(lstep1[39], lstep2[41]);
1675 0 : lstep3[42] = _mm_sub_epi32(lstep1[36], lstep2[42]);
1676 0 : lstep3[43] = _mm_sub_epi32(lstep1[37], lstep2[43]);
1677 0 : lstep3[44] = _mm_sub_epi32(lstep1[34], lstep2[44]);
1678 0 : lstep3[45] = _mm_sub_epi32(lstep1[35], lstep2[45]);
1679 0 : lstep3[46] = _mm_sub_epi32(lstep1[32], lstep2[46]);
1680 0 : lstep3[47] = _mm_sub_epi32(lstep1[33], lstep2[47]);
1681 0 : lstep3[48] = _mm_sub_epi32(lstep1[62], lstep2[48]);
1682 0 : lstep3[49] = _mm_sub_epi32(lstep1[63], lstep2[49]);
1683 0 : lstep3[50] = _mm_sub_epi32(lstep1[60], lstep2[50]);
1684 0 : lstep3[51] = _mm_sub_epi32(lstep1[61], lstep2[51]);
1685 0 : lstep3[52] = _mm_sub_epi32(lstep1[58], lstep2[52]);
1686 0 : lstep3[53] = _mm_sub_epi32(lstep1[59], lstep2[53]);
1687 0 : lstep3[54] = _mm_sub_epi32(lstep1[56], lstep2[54]);
1688 0 : lstep3[55] = _mm_sub_epi32(lstep1[57], lstep2[55]);
1689 0 : lstep3[56] = _mm_add_epi32(lstep2[54], lstep1[56]);
1690 0 : lstep3[57] = _mm_add_epi32(lstep2[55], lstep1[57]);
1691 0 : lstep3[58] = _mm_add_epi32(lstep2[52], lstep1[58]);
1692 0 : lstep3[59] = _mm_add_epi32(lstep2[53], lstep1[59]);
1693 0 : lstep3[60] = _mm_add_epi32(lstep2[50], lstep1[60]);
1694 0 : lstep3[61] = _mm_add_epi32(lstep2[51], lstep1[61]);
1695 0 : lstep3[62] = _mm_add_epi32(lstep2[48], lstep1[62]);
1696 0 : lstep3[63] = _mm_add_epi32(lstep2[49], lstep1[63]);
1697 : }
1698 :
1699 : // stage 4
1700 : {
1701 : // expanding to 32-bit length priori to addition operations
1702 0 : lstep2[16] = _mm_unpacklo_epi16(step2[8], kZero);
1703 0 : lstep2[17] = _mm_unpackhi_epi16(step2[8], kZero);
1704 0 : lstep2[18] = _mm_unpacklo_epi16(step2[9], kZero);
1705 0 : lstep2[19] = _mm_unpackhi_epi16(step2[9], kZero);
1706 0 : lstep2[28] = _mm_unpacklo_epi16(step2[14], kZero);
1707 0 : lstep2[29] = _mm_unpackhi_epi16(step2[14], kZero);
1708 0 : lstep2[30] = _mm_unpacklo_epi16(step2[15], kZero);
1709 0 : lstep2[31] = _mm_unpackhi_epi16(step2[15], kZero);
1710 0 : lstep2[16] = _mm_madd_epi16(lstep2[16], kOne);
1711 0 : lstep2[17] = _mm_madd_epi16(lstep2[17], kOne);
1712 0 : lstep2[18] = _mm_madd_epi16(lstep2[18], kOne);
1713 0 : lstep2[19] = _mm_madd_epi16(lstep2[19], kOne);
1714 0 : lstep2[28] = _mm_madd_epi16(lstep2[28], kOne);
1715 0 : lstep2[29] = _mm_madd_epi16(lstep2[29], kOne);
1716 0 : lstep2[30] = _mm_madd_epi16(lstep2[30], kOne);
1717 0 : lstep2[31] = _mm_madd_epi16(lstep2[31], kOne);
1718 :
1719 0 : lstep1[0] = _mm_add_epi32(lstep3[6], lstep3[0]);
1720 0 : lstep1[1] = _mm_add_epi32(lstep3[7], lstep3[1]);
1721 0 : lstep1[2] = _mm_add_epi32(lstep3[4], lstep3[2]);
1722 0 : lstep1[3] = _mm_add_epi32(lstep3[5], lstep3[3]);
1723 0 : lstep1[4] = _mm_sub_epi32(lstep3[2], lstep3[4]);
1724 0 : lstep1[5] = _mm_sub_epi32(lstep3[3], lstep3[5]);
1725 0 : lstep1[6] = _mm_sub_epi32(lstep3[0], lstep3[6]);
1726 0 : lstep1[7] = _mm_sub_epi32(lstep3[1], lstep3[7]);
1727 0 : lstep1[16] = _mm_add_epi32(lstep3[22], lstep2[16]);
1728 0 : lstep1[17] = _mm_add_epi32(lstep3[23], lstep2[17]);
1729 0 : lstep1[18] = _mm_add_epi32(lstep3[20], lstep2[18]);
1730 0 : lstep1[19] = _mm_add_epi32(lstep3[21], lstep2[19]);
1731 0 : lstep1[20] = _mm_sub_epi32(lstep2[18], lstep3[20]);
1732 0 : lstep1[21] = _mm_sub_epi32(lstep2[19], lstep3[21]);
1733 0 : lstep1[22] = _mm_sub_epi32(lstep2[16], lstep3[22]);
1734 0 : lstep1[23] = _mm_sub_epi32(lstep2[17], lstep3[23]);
1735 0 : lstep1[24] = _mm_sub_epi32(lstep2[30], lstep3[24]);
1736 0 : lstep1[25] = _mm_sub_epi32(lstep2[31], lstep3[25]);
1737 0 : lstep1[26] = _mm_sub_epi32(lstep2[28], lstep3[26]);
1738 0 : lstep1[27] = _mm_sub_epi32(lstep2[29], lstep3[27]);
1739 0 : lstep1[28] = _mm_add_epi32(lstep3[26], lstep2[28]);
1740 0 : lstep1[29] = _mm_add_epi32(lstep3[27], lstep2[29]);
1741 0 : lstep1[30] = _mm_add_epi32(lstep3[24], lstep2[30]);
1742 0 : lstep1[31] = _mm_add_epi32(lstep3[25], lstep2[31]);
1743 : }
1744 : {
1745 : // to be continued...
1746 : //
1747 0 : const __m128i k32_p16_p16 = pair_set_epi32(cospi_16_64, cospi_16_64);
1748 0 : const __m128i k32_p16_m16 = pair_set_epi32(cospi_16_64, -cospi_16_64);
1749 :
1750 0 : u[0] = _mm_unpacklo_epi32(lstep3[12], lstep3[10]);
1751 0 : u[1] = _mm_unpackhi_epi32(lstep3[12], lstep3[10]);
1752 0 : u[2] = _mm_unpacklo_epi32(lstep3[13], lstep3[11]);
1753 0 : u[3] = _mm_unpackhi_epi32(lstep3[13], lstep3[11]);
1754 :
1755 : // TODO(jingning): manually inline k_madd_epi32_ to further hide
1756 : // instruction latency.
1757 0 : v[0] = k_madd_epi32(u[0], k32_p16_m16);
1758 0 : v[1] = k_madd_epi32(u[1], k32_p16_m16);
1759 0 : v[2] = k_madd_epi32(u[2], k32_p16_m16);
1760 0 : v[3] = k_madd_epi32(u[3], k32_p16_m16);
1761 0 : v[4] = k_madd_epi32(u[0], k32_p16_p16);
1762 0 : v[5] = k_madd_epi32(u[1], k32_p16_p16);
1763 0 : v[6] = k_madd_epi32(u[2], k32_p16_p16);
1764 0 : v[7] = k_madd_epi32(u[3], k32_p16_p16);
1765 : #if DCT_HIGH_BIT_DEPTH
1766 0 : overflow = k_check_epi32_overflow_8(&v[0], &v[1], &v[2], &v[3], &v[4],
1767 : &v[5], &v[6], &v[7], &kZero);
1768 0 : if (overflow) {
1769 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1770 0 : return;
1771 : }
1772 : #endif // DCT_HIGH_BIT_DEPTH
1773 0 : u[0] = k_packs_epi64(v[0], v[1]);
1774 0 : u[1] = k_packs_epi64(v[2], v[3]);
1775 0 : u[2] = k_packs_epi64(v[4], v[5]);
1776 0 : u[3] = k_packs_epi64(v[6], v[7]);
1777 :
1778 0 : v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
1779 0 : v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
1780 0 : v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
1781 0 : v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
1782 :
1783 0 : lstep1[10] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
1784 0 : lstep1[11] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
1785 0 : lstep1[12] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
1786 0 : lstep1[13] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
1787 : }
1788 : {
1789 0 : const __m128i k32_m08_p24 = pair_set_epi32(-cospi_8_64, cospi_24_64);
1790 0 : const __m128i k32_m24_m08 = pair_set_epi32(-cospi_24_64, -cospi_8_64);
1791 0 : const __m128i k32_p24_p08 = pair_set_epi32(cospi_24_64, cospi_8_64);
1792 :
1793 0 : u[0] = _mm_unpacklo_epi32(lstep3[36], lstep3[58]);
1794 0 : u[1] = _mm_unpackhi_epi32(lstep3[36], lstep3[58]);
1795 0 : u[2] = _mm_unpacklo_epi32(lstep3[37], lstep3[59]);
1796 0 : u[3] = _mm_unpackhi_epi32(lstep3[37], lstep3[59]);
1797 0 : u[4] = _mm_unpacklo_epi32(lstep3[38], lstep3[56]);
1798 0 : u[5] = _mm_unpackhi_epi32(lstep3[38], lstep3[56]);
1799 0 : u[6] = _mm_unpacklo_epi32(lstep3[39], lstep3[57]);
1800 0 : u[7] = _mm_unpackhi_epi32(lstep3[39], lstep3[57]);
1801 0 : u[8] = _mm_unpacklo_epi32(lstep3[40], lstep3[54]);
1802 0 : u[9] = _mm_unpackhi_epi32(lstep3[40], lstep3[54]);
1803 0 : u[10] = _mm_unpacklo_epi32(lstep3[41], lstep3[55]);
1804 0 : u[11] = _mm_unpackhi_epi32(lstep3[41], lstep3[55]);
1805 0 : u[12] = _mm_unpacklo_epi32(lstep3[42], lstep3[52]);
1806 0 : u[13] = _mm_unpackhi_epi32(lstep3[42], lstep3[52]);
1807 0 : u[14] = _mm_unpacklo_epi32(lstep3[43], lstep3[53]);
1808 0 : u[15] = _mm_unpackhi_epi32(lstep3[43], lstep3[53]);
1809 :
1810 0 : v[0] = k_madd_epi32(u[0], k32_m08_p24);
1811 0 : v[1] = k_madd_epi32(u[1], k32_m08_p24);
1812 0 : v[2] = k_madd_epi32(u[2], k32_m08_p24);
1813 0 : v[3] = k_madd_epi32(u[3], k32_m08_p24);
1814 0 : v[4] = k_madd_epi32(u[4], k32_m08_p24);
1815 0 : v[5] = k_madd_epi32(u[5], k32_m08_p24);
1816 0 : v[6] = k_madd_epi32(u[6], k32_m08_p24);
1817 0 : v[7] = k_madd_epi32(u[7], k32_m08_p24);
1818 0 : v[8] = k_madd_epi32(u[8], k32_m24_m08);
1819 0 : v[9] = k_madd_epi32(u[9], k32_m24_m08);
1820 0 : v[10] = k_madd_epi32(u[10], k32_m24_m08);
1821 0 : v[11] = k_madd_epi32(u[11], k32_m24_m08);
1822 0 : v[12] = k_madd_epi32(u[12], k32_m24_m08);
1823 0 : v[13] = k_madd_epi32(u[13], k32_m24_m08);
1824 0 : v[14] = k_madd_epi32(u[14], k32_m24_m08);
1825 0 : v[15] = k_madd_epi32(u[15], k32_m24_m08);
1826 0 : v[16] = k_madd_epi32(u[12], k32_m08_p24);
1827 0 : v[17] = k_madd_epi32(u[13], k32_m08_p24);
1828 0 : v[18] = k_madd_epi32(u[14], k32_m08_p24);
1829 0 : v[19] = k_madd_epi32(u[15], k32_m08_p24);
1830 0 : v[20] = k_madd_epi32(u[8], k32_m08_p24);
1831 0 : v[21] = k_madd_epi32(u[9], k32_m08_p24);
1832 0 : v[22] = k_madd_epi32(u[10], k32_m08_p24);
1833 0 : v[23] = k_madd_epi32(u[11], k32_m08_p24);
1834 0 : v[24] = k_madd_epi32(u[4], k32_p24_p08);
1835 0 : v[25] = k_madd_epi32(u[5], k32_p24_p08);
1836 0 : v[26] = k_madd_epi32(u[6], k32_p24_p08);
1837 0 : v[27] = k_madd_epi32(u[7], k32_p24_p08);
1838 0 : v[28] = k_madd_epi32(u[0], k32_p24_p08);
1839 0 : v[29] = k_madd_epi32(u[1], k32_p24_p08);
1840 0 : v[30] = k_madd_epi32(u[2], k32_p24_p08);
1841 0 : v[31] = k_madd_epi32(u[3], k32_p24_p08);
1842 :
1843 : #if DCT_HIGH_BIT_DEPTH
1844 0 : overflow = k_check_epi32_overflow_32(
1845 : &v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7], &v[8],
1846 : &v[9], &v[10], &v[11], &v[12], &v[13], &v[14], &v[15], &v[16],
1847 : &v[17], &v[18], &v[19], &v[20], &v[21], &v[22], &v[23], &v[24],
1848 : &v[25], &v[26], &v[27], &v[28], &v[29], &v[30], &v[31], &kZero);
1849 0 : if (overflow) {
1850 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1851 0 : return;
1852 : }
1853 : #endif // DCT_HIGH_BIT_DEPTH
1854 0 : u[0] = k_packs_epi64(v[0], v[1]);
1855 0 : u[1] = k_packs_epi64(v[2], v[3]);
1856 0 : u[2] = k_packs_epi64(v[4], v[5]);
1857 0 : u[3] = k_packs_epi64(v[6], v[7]);
1858 0 : u[4] = k_packs_epi64(v[8], v[9]);
1859 0 : u[5] = k_packs_epi64(v[10], v[11]);
1860 0 : u[6] = k_packs_epi64(v[12], v[13]);
1861 0 : u[7] = k_packs_epi64(v[14], v[15]);
1862 0 : u[8] = k_packs_epi64(v[16], v[17]);
1863 0 : u[9] = k_packs_epi64(v[18], v[19]);
1864 0 : u[10] = k_packs_epi64(v[20], v[21]);
1865 0 : u[11] = k_packs_epi64(v[22], v[23]);
1866 0 : u[12] = k_packs_epi64(v[24], v[25]);
1867 0 : u[13] = k_packs_epi64(v[26], v[27]);
1868 0 : u[14] = k_packs_epi64(v[28], v[29]);
1869 0 : u[15] = k_packs_epi64(v[30], v[31]);
1870 :
1871 0 : v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
1872 0 : v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
1873 0 : v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
1874 0 : v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
1875 0 : v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
1876 0 : v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
1877 0 : v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
1878 0 : v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
1879 0 : v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
1880 0 : v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
1881 0 : v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
1882 0 : v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
1883 0 : v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
1884 0 : v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
1885 0 : v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
1886 0 : v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
1887 :
1888 0 : lstep1[36] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
1889 0 : lstep1[37] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
1890 0 : lstep1[38] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
1891 0 : lstep1[39] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
1892 0 : lstep1[40] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
1893 0 : lstep1[41] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
1894 0 : lstep1[42] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
1895 0 : lstep1[43] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
1896 0 : lstep1[52] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
1897 0 : lstep1[53] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
1898 0 : lstep1[54] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
1899 0 : lstep1[55] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
1900 0 : lstep1[56] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
1901 0 : lstep1[57] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
1902 0 : lstep1[58] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
1903 0 : lstep1[59] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
1904 : }
1905 : // stage 5
1906 : {
1907 0 : lstep2[8] = _mm_add_epi32(lstep1[10], lstep3[8]);
1908 0 : lstep2[9] = _mm_add_epi32(lstep1[11], lstep3[9]);
1909 0 : lstep2[10] = _mm_sub_epi32(lstep3[8], lstep1[10]);
1910 0 : lstep2[11] = _mm_sub_epi32(lstep3[9], lstep1[11]);
1911 0 : lstep2[12] = _mm_sub_epi32(lstep3[14], lstep1[12]);
1912 0 : lstep2[13] = _mm_sub_epi32(lstep3[15], lstep1[13]);
1913 0 : lstep2[14] = _mm_add_epi32(lstep1[12], lstep3[14]);
1914 0 : lstep2[15] = _mm_add_epi32(lstep1[13], lstep3[15]);
1915 : }
1916 : {
1917 0 : const __m128i k32_p16_p16 = pair_set_epi32(cospi_16_64, cospi_16_64);
1918 0 : const __m128i k32_p16_m16 = pair_set_epi32(cospi_16_64, -cospi_16_64);
1919 0 : const __m128i k32_p24_p08 = pair_set_epi32(cospi_24_64, cospi_8_64);
1920 0 : const __m128i k32_m08_p24 = pair_set_epi32(-cospi_8_64, cospi_24_64);
1921 :
1922 0 : u[0] = _mm_unpacklo_epi32(lstep1[0], lstep1[2]);
1923 0 : u[1] = _mm_unpackhi_epi32(lstep1[0], lstep1[2]);
1924 0 : u[2] = _mm_unpacklo_epi32(lstep1[1], lstep1[3]);
1925 0 : u[3] = _mm_unpackhi_epi32(lstep1[1], lstep1[3]);
1926 0 : u[4] = _mm_unpacklo_epi32(lstep1[4], lstep1[6]);
1927 0 : u[5] = _mm_unpackhi_epi32(lstep1[4], lstep1[6]);
1928 0 : u[6] = _mm_unpacklo_epi32(lstep1[5], lstep1[7]);
1929 0 : u[7] = _mm_unpackhi_epi32(lstep1[5], lstep1[7]);
1930 :
1931 : // TODO(jingning): manually inline k_madd_epi32_ to further hide
1932 : // instruction latency.
1933 0 : v[0] = k_madd_epi32(u[0], k32_p16_p16);
1934 0 : v[1] = k_madd_epi32(u[1], k32_p16_p16);
1935 0 : v[2] = k_madd_epi32(u[2], k32_p16_p16);
1936 0 : v[3] = k_madd_epi32(u[3], k32_p16_p16);
1937 0 : v[4] = k_madd_epi32(u[0], k32_p16_m16);
1938 0 : v[5] = k_madd_epi32(u[1], k32_p16_m16);
1939 0 : v[6] = k_madd_epi32(u[2], k32_p16_m16);
1940 0 : v[7] = k_madd_epi32(u[3], k32_p16_m16);
1941 0 : v[8] = k_madd_epi32(u[4], k32_p24_p08);
1942 0 : v[9] = k_madd_epi32(u[5], k32_p24_p08);
1943 0 : v[10] = k_madd_epi32(u[6], k32_p24_p08);
1944 0 : v[11] = k_madd_epi32(u[7], k32_p24_p08);
1945 0 : v[12] = k_madd_epi32(u[4], k32_m08_p24);
1946 0 : v[13] = k_madd_epi32(u[5], k32_m08_p24);
1947 0 : v[14] = k_madd_epi32(u[6], k32_m08_p24);
1948 0 : v[15] = k_madd_epi32(u[7], k32_m08_p24);
1949 :
1950 : #if DCT_HIGH_BIT_DEPTH
1951 0 : overflow = k_check_epi32_overflow_16(
1952 : &v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7], &v[8],
1953 : &v[9], &v[10], &v[11], &v[12], &v[13], &v[14], &v[15], &kZero);
1954 0 : if (overflow) {
1955 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
1956 0 : return;
1957 : }
1958 : #endif // DCT_HIGH_BIT_DEPTH
1959 0 : u[0] = k_packs_epi64(v[0], v[1]);
1960 0 : u[1] = k_packs_epi64(v[2], v[3]);
1961 0 : u[2] = k_packs_epi64(v[4], v[5]);
1962 0 : u[3] = k_packs_epi64(v[6], v[7]);
1963 0 : u[4] = k_packs_epi64(v[8], v[9]);
1964 0 : u[5] = k_packs_epi64(v[10], v[11]);
1965 0 : u[6] = k_packs_epi64(v[12], v[13]);
1966 0 : u[7] = k_packs_epi64(v[14], v[15]);
1967 :
1968 0 : v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
1969 0 : v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
1970 0 : v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
1971 0 : v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
1972 0 : v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
1973 0 : v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
1974 0 : v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
1975 0 : v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
1976 :
1977 0 : u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
1978 0 : u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
1979 0 : u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
1980 0 : u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
1981 0 : u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
1982 0 : u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
1983 0 : u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
1984 0 : u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
1985 :
1986 0 : sign[0] = _mm_cmplt_epi32(u[0], kZero);
1987 0 : sign[1] = _mm_cmplt_epi32(u[1], kZero);
1988 0 : sign[2] = _mm_cmplt_epi32(u[2], kZero);
1989 0 : sign[3] = _mm_cmplt_epi32(u[3], kZero);
1990 0 : sign[4] = _mm_cmplt_epi32(u[4], kZero);
1991 0 : sign[5] = _mm_cmplt_epi32(u[5], kZero);
1992 0 : sign[6] = _mm_cmplt_epi32(u[6], kZero);
1993 0 : sign[7] = _mm_cmplt_epi32(u[7], kZero);
1994 :
1995 0 : u[0] = _mm_sub_epi32(u[0], sign[0]);
1996 0 : u[1] = _mm_sub_epi32(u[1], sign[1]);
1997 0 : u[2] = _mm_sub_epi32(u[2], sign[2]);
1998 0 : u[3] = _mm_sub_epi32(u[3], sign[3]);
1999 0 : u[4] = _mm_sub_epi32(u[4], sign[4]);
2000 0 : u[5] = _mm_sub_epi32(u[5], sign[5]);
2001 0 : u[6] = _mm_sub_epi32(u[6], sign[6]);
2002 0 : u[7] = _mm_sub_epi32(u[7], sign[7]);
2003 :
2004 0 : u[0] = _mm_add_epi32(u[0], K32One);
2005 0 : u[1] = _mm_add_epi32(u[1], K32One);
2006 0 : u[2] = _mm_add_epi32(u[2], K32One);
2007 0 : u[3] = _mm_add_epi32(u[3], K32One);
2008 0 : u[4] = _mm_add_epi32(u[4], K32One);
2009 0 : u[5] = _mm_add_epi32(u[5], K32One);
2010 0 : u[6] = _mm_add_epi32(u[6], K32One);
2011 0 : u[7] = _mm_add_epi32(u[7], K32One);
2012 :
2013 0 : u[0] = _mm_srai_epi32(u[0], 2);
2014 0 : u[1] = _mm_srai_epi32(u[1], 2);
2015 0 : u[2] = _mm_srai_epi32(u[2], 2);
2016 0 : u[3] = _mm_srai_epi32(u[3], 2);
2017 0 : u[4] = _mm_srai_epi32(u[4], 2);
2018 0 : u[5] = _mm_srai_epi32(u[5], 2);
2019 0 : u[6] = _mm_srai_epi32(u[6], 2);
2020 0 : u[7] = _mm_srai_epi32(u[7], 2);
2021 :
2022 : // Combine
2023 0 : out[0] = _mm_packs_epi32(u[0], u[1]);
2024 0 : out[16] = _mm_packs_epi32(u[2], u[3]);
2025 0 : out[8] = _mm_packs_epi32(u[4], u[5]);
2026 0 : out[24] = _mm_packs_epi32(u[6], u[7]);
2027 : #if DCT_HIGH_BIT_DEPTH
2028 0 : overflow =
2029 : check_epi16_overflow_x4(&out[0], &out[16], &out[8], &out[24]);
2030 0 : if (overflow) {
2031 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2032 0 : return;
2033 : }
2034 : #endif // DCT_HIGH_BIT_DEPTH
2035 : }
2036 : {
2037 0 : const __m128i k32_m08_p24 = pair_set_epi32(-cospi_8_64, cospi_24_64);
2038 0 : const __m128i k32_m24_m08 = pair_set_epi32(-cospi_24_64, -cospi_8_64);
2039 0 : const __m128i k32_p24_p08 = pair_set_epi32(cospi_24_64, cospi_8_64);
2040 :
2041 0 : u[0] = _mm_unpacklo_epi32(lstep1[18], lstep1[28]);
2042 0 : u[1] = _mm_unpackhi_epi32(lstep1[18], lstep1[28]);
2043 0 : u[2] = _mm_unpacklo_epi32(lstep1[19], lstep1[29]);
2044 0 : u[3] = _mm_unpackhi_epi32(lstep1[19], lstep1[29]);
2045 0 : u[4] = _mm_unpacklo_epi32(lstep1[20], lstep1[26]);
2046 0 : u[5] = _mm_unpackhi_epi32(lstep1[20], lstep1[26]);
2047 0 : u[6] = _mm_unpacklo_epi32(lstep1[21], lstep1[27]);
2048 0 : u[7] = _mm_unpackhi_epi32(lstep1[21], lstep1[27]);
2049 :
2050 0 : v[0] = k_madd_epi32(u[0], k32_m08_p24);
2051 0 : v[1] = k_madd_epi32(u[1], k32_m08_p24);
2052 0 : v[2] = k_madd_epi32(u[2], k32_m08_p24);
2053 0 : v[3] = k_madd_epi32(u[3], k32_m08_p24);
2054 0 : v[4] = k_madd_epi32(u[4], k32_m24_m08);
2055 0 : v[5] = k_madd_epi32(u[5], k32_m24_m08);
2056 0 : v[6] = k_madd_epi32(u[6], k32_m24_m08);
2057 0 : v[7] = k_madd_epi32(u[7], k32_m24_m08);
2058 0 : v[8] = k_madd_epi32(u[4], k32_m08_p24);
2059 0 : v[9] = k_madd_epi32(u[5], k32_m08_p24);
2060 0 : v[10] = k_madd_epi32(u[6], k32_m08_p24);
2061 0 : v[11] = k_madd_epi32(u[7], k32_m08_p24);
2062 0 : v[12] = k_madd_epi32(u[0], k32_p24_p08);
2063 0 : v[13] = k_madd_epi32(u[1], k32_p24_p08);
2064 0 : v[14] = k_madd_epi32(u[2], k32_p24_p08);
2065 0 : v[15] = k_madd_epi32(u[3], k32_p24_p08);
2066 :
2067 : #if DCT_HIGH_BIT_DEPTH
2068 0 : overflow = k_check_epi32_overflow_16(
2069 : &v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7], &v[8],
2070 : &v[9], &v[10], &v[11], &v[12], &v[13], &v[14], &v[15], &kZero);
2071 0 : if (overflow) {
2072 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2073 0 : return;
2074 : }
2075 : #endif // DCT_HIGH_BIT_DEPTH
2076 0 : u[0] = k_packs_epi64(v[0], v[1]);
2077 0 : u[1] = k_packs_epi64(v[2], v[3]);
2078 0 : u[2] = k_packs_epi64(v[4], v[5]);
2079 0 : u[3] = k_packs_epi64(v[6], v[7]);
2080 0 : u[4] = k_packs_epi64(v[8], v[9]);
2081 0 : u[5] = k_packs_epi64(v[10], v[11]);
2082 0 : u[6] = k_packs_epi64(v[12], v[13]);
2083 0 : u[7] = k_packs_epi64(v[14], v[15]);
2084 :
2085 0 : u[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
2086 0 : u[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
2087 0 : u[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
2088 0 : u[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
2089 0 : u[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
2090 0 : u[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
2091 0 : u[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
2092 0 : u[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
2093 :
2094 0 : lstep2[18] = _mm_srai_epi32(u[0], DCT_CONST_BITS);
2095 0 : lstep2[19] = _mm_srai_epi32(u[1], DCT_CONST_BITS);
2096 0 : lstep2[20] = _mm_srai_epi32(u[2], DCT_CONST_BITS);
2097 0 : lstep2[21] = _mm_srai_epi32(u[3], DCT_CONST_BITS);
2098 0 : lstep2[26] = _mm_srai_epi32(u[4], DCT_CONST_BITS);
2099 0 : lstep2[27] = _mm_srai_epi32(u[5], DCT_CONST_BITS);
2100 0 : lstep2[28] = _mm_srai_epi32(u[6], DCT_CONST_BITS);
2101 0 : lstep2[29] = _mm_srai_epi32(u[7], DCT_CONST_BITS);
2102 : }
2103 : {
2104 0 : lstep2[32] = _mm_add_epi32(lstep1[38], lstep3[32]);
2105 0 : lstep2[33] = _mm_add_epi32(lstep1[39], lstep3[33]);
2106 0 : lstep2[34] = _mm_add_epi32(lstep1[36], lstep3[34]);
2107 0 : lstep2[35] = _mm_add_epi32(lstep1[37], lstep3[35]);
2108 0 : lstep2[36] = _mm_sub_epi32(lstep3[34], lstep1[36]);
2109 0 : lstep2[37] = _mm_sub_epi32(lstep3[35], lstep1[37]);
2110 0 : lstep2[38] = _mm_sub_epi32(lstep3[32], lstep1[38]);
2111 0 : lstep2[39] = _mm_sub_epi32(lstep3[33], lstep1[39]);
2112 0 : lstep2[40] = _mm_sub_epi32(lstep3[46], lstep1[40]);
2113 0 : lstep2[41] = _mm_sub_epi32(lstep3[47], lstep1[41]);
2114 0 : lstep2[42] = _mm_sub_epi32(lstep3[44], lstep1[42]);
2115 0 : lstep2[43] = _mm_sub_epi32(lstep3[45], lstep1[43]);
2116 0 : lstep2[44] = _mm_add_epi32(lstep1[42], lstep3[44]);
2117 0 : lstep2[45] = _mm_add_epi32(lstep1[43], lstep3[45]);
2118 0 : lstep2[46] = _mm_add_epi32(lstep1[40], lstep3[46]);
2119 0 : lstep2[47] = _mm_add_epi32(lstep1[41], lstep3[47]);
2120 0 : lstep2[48] = _mm_add_epi32(lstep1[54], lstep3[48]);
2121 0 : lstep2[49] = _mm_add_epi32(lstep1[55], lstep3[49]);
2122 0 : lstep2[50] = _mm_add_epi32(lstep1[52], lstep3[50]);
2123 0 : lstep2[51] = _mm_add_epi32(lstep1[53], lstep3[51]);
2124 0 : lstep2[52] = _mm_sub_epi32(lstep3[50], lstep1[52]);
2125 0 : lstep2[53] = _mm_sub_epi32(lstep3[51], lstep1[53]);
2126 0 : lstep2[54] = _mm_sub_epi32(lstep3[48], lstep1[54]);
2127 0 : lstep2[55] = _mm_sub_epi32(lstep3[49], lstep1[55]);
2128 0 : lstep2[56] = _mm_sub_epi32(lstep3[62], lstep1[56]);
2129 0 : lstep2[57] = _mm_sub_epi32(lstep3[63], lstep1[57]);
2130 0 : lstep2[58] = _mm_sub_epi32(lstep3[60], lstep1[58]);
2131 0 : lstep2[59] = _mm_sub_epi32(lstep3[61], lstep1[59]);
2132 0 : lstep2[60] = _mm_add_epi32(lstep1[58], lstep3[60]);
2133 0 : lstep2[61] = _mm_add_epi32(lstep1[59], lstep3[61]);
2134 0 : lstep2[62] = _mm_add_epi32(lstep1[56], lstep3[62]);
2135 0 : lstep2[63] = _mm_add_epi32(lstep1[57], lstep3[63]);
2136 : }
2137 : // stage 6
2138 : {
2139 0 : const __m128i k32_p28_p04 = pair_set_epi32(cospi_28_64, cospi_4_64);
2140 0 : const __m128i k32_p12_p20 = pair_set_epi32(cospi_12_64, cospi_20_64);
2141 0 : const __m128i k32_m20_p12 = pair_set_epi32(-cospi_20_64, cospi_12_64);
2142 0 : const __m128i k32_m04_p28 = pair_set_epi32(-cospi_4_64, cospi_28_64);
2143 :
2144 0 : u[0] = _mm_unpacklo_epi32(lstep2[8], lstep2[14]);
2145 0 : u[1] = _mm_unpackhi_epi32(lstep2[8], lstep2[14]);
2146 0 : u[2] = _mm_unpacklo_epi32(lstep2[9], lstep2[15]);
2147 0 : u[3] = _mm_unpackhi_epi32(lstep2[9], lstep2[15]);
2148 0 : u[4] = _mm_unpacklo_epi32(lstep2[10], lstep2[12]);
2149 0 : u[5] = _mm_unpackhi_epi32(lstep2[10], lstep2[12]);
2150 0 : u[6] = _mm_unpacklo_epi32(lstep2[11], lstep2[13]);
2151 0 : u[7] = _mm_unpackhi_epi32(lstep2[11], lstep2[13]);
2152 0 : u[8] = _mm_unpacklo_epi32(lstep2[10], lstep2[12]);
2153 0 : u[9] = _mm_unpackhi_epi32(lstep2[10], lstep2[12]);
2154 0 : u[10] = _mm_unpacklo_epi32(lstep2[11], lstep2[13]);
2155 0 : u[11] = _mm_unpackhi_epi32(lstep2[11], lstep2[13]);
2156 0 : u[12] = _mm_unpacklo_epi32(lstep2[8], lstep2[14]);
2157 0 : u[13] = _mm_unpackhi_epi32(lstep2[8], lstep2[14]);
2158 0 : u[14] = _mm_unpacklo_epi32(lstep2[9], lstep2[15]);
2159 0 : u[15] = _mm_unpackhi_epi32(lstep2[9], lstep2[15]);
2160 :
2161 0 : v[0] = k_madd_epi32(u[0], k32_p28_p04);
2162 0 : v[1] = k_madd_epi32(u[1], k32_p28_p04);
2163 0 : v[2] = k_madd_epi32(u[2], k32_p28_p04);
2164 0 : v[3] = k_madd_epi32(u[3], k32_p28_p04);
2165 0 : v[4] = k_madd_epi32(u[4], k32_p12_p20);
2166 0 : v[5] = k_madd_epi32(u[5], k32_p12_p20);
2167 0 : v[6] = k_madd_epi32(u[6], k32_p12_p20);
2168 0 : v[7] = k_madd_epi32(u[7], k32_p12_p20);
2169 0 : v[8] = k_madd_epi32(u[8], k32_m20_p12);
2170 0 : v[9] = k_madd_epi32(u[9], k32_m20_p12);
2171 0 : v[10] = k_madd_epi32(u[10], k32_m20_p12);
2172 0 : v[11] = k_madd_epi32(u[11], k32_m20_p12);
2173 0 : v[12] = k_madd_epi32(u[12], k32_m04_p28);
2174 0 : v[13] = k_madd_epi32(u[13], k32_m04_p28);
2175 0 : v[14] = k_madd_epi32(u[14], k32_m04_p28);
2176 0 : v[15] = k_madd_epi32(u[15], k32_m04_p28);
2177 :
2178 : #if DCT_HIGH_BIT_DEPTH
2179 0 : overflow = k_check_epi32_overflow_16(
2180 : &v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7], &v[8],
2181 : &v[9], &v[10], &v[11], &v[12], &v[13], &v[14], &v[15], &kZero);
2182 0 : if (overflow) {
2183 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2184 0 : return;
2185 : }
2186 : #endif // DCT_HIGH_BIT_DEPTH
2187 0 : u[0] = k_packs_epi64(v[0], v[1]);
2188 0 : u[1] = k_packs_epi64(v[2], v[3]);
2189 0 : u[2] = k_packs_epi64(v[4], v[5]);
2190 0 : u[3] = k_packs_epi64(v[6], v[7]);
2191 0 : u[4] = k_packs_epi64(v[8], v[9]);
2192 0 : u[5] = k_packs_epi64(v[10], v[11]);
2193 0 : u[6] = k_packs_epi64(v[12], v[13]);
2194 0 : u[7] = k_packs_epi64(v[14], v[15]);
2195 :
2196 0 : v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
2197 0 : v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
2198 0 : v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
2199 0 : v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
2200 0 : v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
2201 0 : v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
2202 0 : v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
2203 0 : v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
2204 :
2205 0 : u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
2206 0 : u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
2207 0 : u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
2208 0 : u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
2209 0 : u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
2210 0 : u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
2211 0 : u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
2212 0 : u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
2213 :
2214 0 : sign[0] = _mm_cmplt_epi32(u[0], kZero);
2215 0 : sign[1] = _mm_cmplt_epi32(u[1], kZero);
2216 0 : sign[2] = _mm_cmplt_epi32(u[2], kZero);
2217 0 : sign[3] = _mm_cmplt_epi32(u[3], kZero);
2218 0 : sign[4] = _mm_cmplt_epi32(u[4], kZero);
2219 0 : sign[5] = _mm_cmplt_epi32(u[5], kZero);
2220 0 : sign[6] = _mm_cmplt_epi32(u[6], kZero);
2221 0 : sign[7] = _mm_cmplt_epi32(u[7], kZero);
2222 :
2223 0 : u[0] = _mm_sub_epi32(u[0], sign[0]);
2224 0 : u[1] = _mm_sub_epi32(u[1], sign[1]);
2225 0 : u[2] = _mm_sub_epi32(u[2], sign[2]);
2226 0 : u[3] = _mm_sub_epi32(u[3], sign[3]);
2227 0 : u[4] = _mm_sub_epi32(u[4], sign[4]);
2228 0 : u[5] = _mm_sub_epi32(u[5], sign[5]);
2229 0 : u[6] = _mm_sub_epi32(u[6], sign[6]);
2230 0 : u[7] = _mm_sub_epi32(u[7], sign[7]);
2231 :
2232 0 : u[0] = _mm_add_epi32(u[0], K32One);
2233 0 : u[1] = _mm_add_epi32(u[1], K32One);
2234 0 : u[2] = _mm_add_epi32(u[2], K32One);
2235 0 : u[3] = _mm_add_epi32(u[3], K32One);
2236 0 : u[4] = _mm_add_epi32(u[4], K32One);
2237 0 : u[5] = _mm_add_epi32(u[5], K32One);
2238 0 : u[6] = _mm_add_epi32(u[6], K32One);
2239 0 : u[7] = _mm_add_epi32(u[7], K32One);
2240 :
2241 0 : u[0] = _mm_srai_epi32(u[0], 2);
2242 0 : u[1] = _mm_srai_epi32(u[1], 2);
2243 0 : u[2] = _mm_srai_epi32(u[2], 2);
2244 0 : u[3] = _mm_srai_epi32(u[3], 2);
2245 0 : u[4] = _mm_srai_epi32(u[4], 2);
2246 0 : u[5] = _mm_srai_epi32(u[5], 2);
2247 0 : u[6] = _mm_srai_epi32(u[6], 2);
2248 0 : u[7] = _mm_srai_epi32(u[7], 2);
2249 :
2250 0 : out[4] = _mm_packs_epi32(u[0], u[1]);
2251 0 : out[20] = _mm_packs_epi32(u[2], u[3]);
2252 0 : out[12] = _mm_packs_epi32(u[4], u[5]);
2253 0 : out[28] = _mm_packs_epi32(u[6], u[7]);
2254 : #if DCT_HIGH_BIT_DEPTH
2255 0 : overflow =
2256 : check_epi16_overflow_x4(&out[4], &out[20], &out[12], &out[28]);
2257 0 : if (overflow) {
2258 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2259 0 : return;
2260 : }
2261 : #endif // DCT_HIGH_BIT_DEPTH
2262 : }
2263 : {
2264 0 : lstep3[16] = _mm_add_epi32(lstep2[18], lstep1[16]);
2265 0 : lstep3[17] = _mm_add_epi32(lstep2[19], lstep1[17]);
2266 0 : lstep3[18] = _mm_sub_epi32(lstep1[16], lstep2[18]);
2267 0 : lstep3[19] = _mm_sub_epi32(lstep1[17], lstep2[19]);
2268 0 : lstep3[20] = _mm_sub_epi32(lstep1[22], lstep2[20]);
2269 0 : lstep3[21] = _mm_sub_epi32(lstep1[23], lstep2[21]);
2270 0 : lstep3[22] = _mm_add_epi32(lstep2[20], lstep1[22]);
2271 0 : lstep3[23] = _mm_add_epi32(lstep2[21], lstep1[23]);
2272 0 : lstep3[24] = _mm_add_epi32(lstep2[26], lstep1[24]);
2273 0 : lstep3[25] = _mm_add_epi32(lstep2[27], lstep1[25]);
2274 0 : lstep3[26] = _mm_sub_epi32(lstep1[24], lstep2[26]);
2275 0 : lstep3[27] = _mm_sub_epi32(lstep1[25], lstep2[27]);
2276 0 : lstep3[28] = _mm_sub_epi32(lstep1[30], lstep2[28]);
2277 0 : lstep3[29] = _mm_sub_epi32(lstep1[31], lstep2[29]);
2278 0 : lstep3[30] = _mm_add_epi32(lstep2[28], lstep1[30]);
2279 0 : lstep3[31] = _mm_add_epi32(lstep2[29], lstep1[31]);
2280 : }
2281 : {
2282 0 : const __m128i k32_m04_p28 = pair_set_epi32(-cospi_4_64, cospi_28_64);
2283 0 : const __m128i k32_m28_m04 = pair_set_epi32(-cospi_28_64, -cospi_4_64);
2284 0 : const __m128i k32_m20_p12 = pair_set_epi32(-cospi_20_64, cospi_12_64);
2285 0 : const __m128i k32_m12_m20 =
2286 0 : pair_set_epi32(-cospi_12_64, -cospi_20_64);
2287 0 : const __m128i k32_p12_p20 = pair_set_epi32(cospi_12_64, cospi_20_64);
2288 0 : const __m128i k32_p28_p04 = pair_set_epi32(cospi_28_64, cospi_4_64);
2289 :
2290 0 : u[0] = _mm_unpacklo_epi32(lstep2[34], lstep2[60]);
2291 0 : u[1] = _mm_unpackhi_epi32(lstep2[34], lstep2[60]);
2292 0 : u[2] = _mm_unpacklo_epi32(lstep2[35], lstep2[61]);
2293 0 : u[3] = _mm_unpackhi_epi32(lstep2[35], lstep2[61]);
2294 0 : u[4] = _mm_unpacklo_epi32(lstep2[36], lstep2[58]);
2295 0 : u[5] = _mm_unpackhi_epi32(lstep2[36], lstep2[58]);
2296 0 : u[6] = _mm_unpacklo_epi32(lstep2[37], lstep2[59]);
2297 0 : u[7] = _mm_unpackhi_epi32(lstep2[37], lstep2[59]);
2298 0 : u[8] = _mm_unpacklo_epi32(lstep2[42], lstep2[52]);
2299 0 : u[9] = _mm_unpackhi_epi32(lstep2[42], lstep2[52]);
2300 0 : u[10] = _mm_unpacklo_epi32(lstep2[43], lstep2[53]);
2301 0 : u[11] = _mm_unpackhi_epi32(lstep2[43], lstep2[53]);
2302 0 : u[12] = _mm_unpacklo_epi32(lstep2[44], lstep2[50]);
2303 0 : u[13] = _mm_unpackhi_epi32(lstep2[44], lstep2[50]);
2304 0 : u[14] = _mm_unpacklo_epi32(lstep2[45], lstep2[51]);
2305 0 : u[15] = _mm_unpackhi_epi32(lstep2[45], lstep2[51]);
2306 :
2307 0 : v[0] = k_madd_epi32(u[0], k32_m04_p28);
2308 0 : v[1] = k_madd_epi32(u[1], k32_m04_p28);
2309 0 : v[2] = k_madd_epi32(u[2], k32_m04_p28);
2310 0 : v[3] = k_madd_epi32(u[3], k32_m04_p28);
2311 0 : v[4] = k_madd_epi32(u[4], k32_m28_m04);
2312 0 : v[5] = k_madd_epi32(u[5], k32_m28_m04);
2313 0 : v[6] = k_madd_epi32(u[6], k32_m28_m04);
2314 0 : v[7] = k_madd_epi32(u[7], k32_m28_m04);
2315 0 : v[8] = k_madd_epi32(u[8], k32_m20_p12);
2316 0 : v[9] = k_madd_epi32(u[9], k32_m20_p12);
2317 0 : v[10] = k_madd_epi32(u[10], k32_m20_p12);
2318 0 : v[11] = k_madd_epi32(u[11], k32_m20_p12);
2319 0 : v[12] = k_madd_epi32(u[12], k32_m12_m20);
2320 0 : v[13] = k_madd_epi32(u[13], k32_m12_m20);
2321 0 : v[14] = k_madd_epi32(u[14], k32_m12_m20);
2322 0 : v[15] = k_madd_epi32(u[15], k32_m12_m20);
2323 0 : v[16] = k_madd_epi32(u[12], k32_m20_p12);
2324 0 : v[17] = k_madd_epi32(u[13], k32_m20_p12);
2325 0 : v[18] = k_madd_epi32(u[14], k32_m20_p12);
2326 0 : v[19] = k_madd_epi32(u[15], k32_m20_p12);
2327 0 : v[20] = k_madd_epi32(u[8], k32_p12_p20);
2328 0 : v[21] = k_madd_epi32(u[9], k32_p12_p20);
2329 0 : v[22] = k_madd_epi32(u[10], k32_p12_p20);
2330 0 : v[23] = k_madd_epi32(u[11], k32_p12_p20);
2331 0 : v[24] = k_madd_epi32(u[4], k32_m04_p28);
2332 0 : v[25] = k_madd_epi32(u[5], k32_m04_p28);
2333 0 : v[26] = k_madd_epi32(u[6], k32_m04_p28);
2334 0 : v[27] = k_madd_epi32(u[7], k32_m04_p28);
2335 0 : v[28] = k_madd_epi32(u[0], k32_p28_p04);
2336 0 : v[29] = k_madd_epi32(u[1], k32_p28_p04);
2337 0 : v[30] = k_madd_epi32(u[2], k32_p28_p04);
2338 0 : v[31] = k_madd_epi32(u[3], k32_p28_p04);
2339 :
2340 : #if DCT_HIGH_BIT_DEPTH
2341 0 : overflow = k_check_epi32_overflow_32(
2342 : &v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7], &v[8],
2343 : &v[9], &v[10], &v[11], &v[12], &v[13], &v[14], &v[15], &v[16],
2344 : &v[17], &v[18], &v[19], &v[20], &v[21], &v[22], &v[23], &v[24],
2345 : &v[25], &v[26], &v[27], &v[28], &v[29], &v[30], &v[31], &kZero);
2346 0 : if (overflow) {
2347 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2348 0 : return;
2349 : }
2350 : #endif // DCT_HIGH_BIT_DEPTH
2351 0 : u[0] = k_packs_epi64(v[0], v[1]);
2352 0 : u[1] = k_packs_epi64(v[2], v[3]);
2353 0 : u[2] = k_packs_epi64(v[4], v[5]);
2354 0 : u[3] = k_packs_epi64(v[6], v[7]);
2355 0 : u[4] = k_packs_epi64(v[8], v[9]);
2356 0 : u[5] = k_packs_epi64(v[10], v[11]);
2357 0 : u[6] = k_packs_epi64(v[12], v[13]);
2358 0 : u[7] = k_packs_epi64(v[14], v[15]);
2359 0 : u[8] = k_packs_epi64(v[16], v[17]);
2360 0 : u[9] = k_packs_epi64(v[18], v[19]);
2361 0 : u[10] = k_packs_epi64(v[20], v[21]);
2362 0 : u[11] = k_packs_epi64(v[22], v[23]);
2363 0 : u[12] = k_packs_epi64(v[24], v[25]);
2364 0 : u[13] = k_packs_epi64(v[26], v[27]);
2365 0 : u[14] = k_packs_epi64(v[28], v[29]);
2366 0 : u[15] = k_packs_epi64(v[30], v[31]);
2367 :
2368 0 : v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
2369 0 : v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
2370 0 : v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
2371 0 : v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
2372 0 : v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
2373 0 : v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
2374 0 : v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
2375 0 : v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
2376 0 : v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
2377 0 : v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
2378 0 : v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
2379 0 : v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
2380 0 : v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
2381 0 : v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
2382 0 : v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
2383 0 : v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
2384 :
2385 0 : lstep3[34] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
2386 0 : lstep3[35] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
2387 0 : lstep3[36] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
2388 0 : lstep3[37] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
2389 0 : lstep3[42] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
2390 0 : lstep3[43] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
2391 0 : lstep3[44] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
2392 0 : lstep3[45] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
2393 0 : lstep3[50] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
2394 0 : lstep3[51] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
2395 0 : lstep3[52] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
2396 0 : lstep3[53] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
2397 0 : lstep3[58] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
2398 0 : lstep3[59] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
2399 0 : lstep3[60] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
2400 0 : lstep3[61] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
2401 : }
2402 : // stage 7
2403 : {
2404 0 : const __m128i k32_p30_p02 = pair_set_epi32(cospi_30_64, cospi_2_64);
2405 0 : const __m128i k32_p14_p18 = pair_set_epi32(cospi_14_64, cospi_18_64);
2406 0 : const __m128i k32_p22_p10 = pair_set_epi32(cospi_22_64, cospi_10_64);
2407 0 : const __m128i k32_p06_p26 = pair_set_epi32(cospi_6_64, cospi_26_64);
2408 0 : const __m128i k32_m26_p06 = pair_set_epi32(-cospi_26_64, cospi_6_64);
2409 0 : const __m128i k32_m10_p22 = pair_set_epi32(-cospi_10_64, cospi_22_64);
2410 0 : const __m128i k32_m18_p14 = pair_set_epi32(-cospi_18_64, cospi_14_64);
2411 0 : const __m128i k32_m02_p30 = pair_set_epi32(-cospi_2_64, cospi_30_64);
2412 :
2413 0 : u[0] = _mm_unpacklo_epi32(lstep3[16], lstep3[30]);
2414 0 : u[1] = _mm_unpackhi_epi32(lstep3[16], lstep3[30]);
2415 0 : u[2] = _mm_unpacklo_epi32(lstep3[17], lstep3[31]);
2416 0 : u[3] = _mm_unpackhi_epi32(lstep3[17], lstep3[31]);
2417 0 : u[4] = _mm_unpacklo_epi32(lstep3[18], lstep3[28]);
2418 0 : u[5] = _mm_unpackhi_epi32(lstep3[18], lstep3[28]);
2419 0 : u[6] = _mm_unpacklo_epi32(lstep3[19], lstep3[29]);
2420 0 : u[7] = _mm_unpackhi_epi32(lstep3[19], lstep3[29]);
2421 0 : u[8] = _mm_unpacklo_epi32(lstep3[20], lstep3[26]);
2422 0 : u[9] = _mm_unpackhi_epi32(lstep3[20], lstep3[26]);
2423 0 : u[10] = _mm_unpacklo_epi32(lstep3[21], lstep3[27]);
2424 0 : u[11] = _mm_unpackhi_epi32(lstep3[21], lstep3[27]);
2425 0 : u[12] = _mm_unpacklo_epi32(lstep3[22], lstep3[24]);
2426 0 : u[13] = _mm_unpackhi_epi32(lstep3[22], lstep3[24]);
2427 0 : u[14] = _mm_unpacklo_epi32(lstep3[23], lstep3[25]);
2428 0 : u[15] = _mm_unpackhi_epi32(lstep3[23], lstep3[25]);
2429 :
2430 0 : v[0] = k_madd_epi32(u[0], k32_p30_p02);
2431 0 : v[1] = k_madd_epi32(u[1], k32_p30_p02);
2432 0 : v[2] = k_madd_epi32(u[2], k32_p30_p02);
2433 0 : v[3] = k_madd_epi32(u[3], k32_p30_p02);
2434 0 : v[4] = k_madd_epi32(u[4], k32_p14_p18);
2435 0 : v[5] = k_madd_epi32(u[5], k32_p14_p18);
2436 0 : v[6] = k_madd_epi32(u[6], k32_p14_p18);
2437 0 : v[7] = k_madd_epi32(u[7], k32_p14_p18);
2438 0 : v[8] = k_madd_epi32(u[8], k32_p22_p10);
2439 0 : v[9] = k_madd_epi32(u[9], k32_p22_p10);
2440 0 : v[10] = k_madd_epi32(u[10], k32_p22_p10);
2441 0 : v[11] = k_madd_epi32(u[11], k32_p22_p10);
2442 0 : v[12] = k_madd_epi32(u[12], k32_p06_p26);
2443 0 : v[13] = k_madd_epi32(u[13], k32_p06_p26);
2444 0 : v[14] = k_madd_epi32(u[14], k32_p06_p26);
2445 0 : v[15] = k_madd_epi32(u[15], k32_p06_p26);
2446 0 : v[16] = k_madd_epi32(u[12], k32_m26_p06);
2447 0 : v[17] = k_madd_epi32(u[13], k32_m26_p06);
2448 0 : v[18] = k_madd_epi32(u[14], k32_m26_p06);
2449 0 : v[19] = k_madd_epi32(u[15], k32_m26_p06);
2450 0 : v[20] = k_madd_epi32(u[8], k32_m10_p22);
2451 0 : v[21] = k_madd_epi32(u[9], k32_m10_p22);
2452 0 : v[22] = k_madd_epi32(u[10], k32_m10_p22);
2453 0 : v[23] = k_madd_epi32(u[11], k32_m10_p22);
2454 0 : v[24] = k_madd_epi32(u[4], k32_m18_p14);
2455 0 : v[25] = k_madd_epi32(u[5], k32_m18_p14);
2456 0 : v[26] = k_madd_epi32(u[6], k32_m18_p14);
2457 0 : v[27] = k_madd_epi32(u[7], k32_m18_p14);
2458 0 : v[28] = k_madd_epi32(u[0], k32_m02_p30);
2459 0 : v[29] = k_madd_epi32(u[1], k32_m02_p30);
2460 0 : v[30] = k_madd_epi32(u[2], k32_m02_p30);
2461 0 : v[31] = k_madd_epi32(u[3], k32_m02_p30);
2462 :
2463 : #if DCT_HIGH_BIT_DEPTH
2464 0 : overflow = k_check_epi32_overflow_32(
2465 : &v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7], &v[8],
2466 : &v[9], &v[10], &v[11], &v[12], &v[13], &v[14], &v[15], &v[16],
2467 : &v[17], &v[18], &v[19], &v[20], &v[21], &v[22], &v[23], &v[24],
2468 : &v[25], &v[26], &v[27], &v[28], &v[29], &v[30], &v[31], &kZero);
2469 0 : if (overflow) {
2470 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2471 0 : return;
2472 : }
2473 : #endif // DCT_HIGH_BIT_DEPTH
2474 0 : u[0] = k_packs_epi64(v[0], v[1]);
2475 0 : u[1] = k_packs_epi64(v[2], v[3]);
2476 0 : u[2] = k_packs_epi64(v[4], v[5]);
2477 0 : u[3] = k_packs_epi64(v[6], v[7]);
2478 0 : u[4] = k_packs_epi64(v[8], v[9]);
2479 0 : u[5] = k_packs_epi64(v[10], v[11]);
2480 0 : u[6] = k_packs_epi64(v[12], v[13]);
2481 0 : u[7] = k_packs_epi64(v[14], v[15]);
2482 0 : u[8] = k_packs_epi64(v[16], v[17]);
2483 0 : u[9] = k_packs_epi64(v[18], v[19]);
2484 0 : u[10] = k_packs_epi64(v[20], v[21]);
2485 0 : u[11] = k_packs_epi64(v[22], v[23]);
2486 0 : u[12] = k_packs_epi64(v[24], v[25]);
2487 0 : u[13] = k_packs_epi64(v[26], v[27]);
2488 0 : u[14] = k_packs_epi64(v[28], v[29]);
2489 0 : u[15] = k_packs_epi64(v[30], v[31]);
2490 :
2491 0 : v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
2492 0 : v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
2493 0 : v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
2494 0 : v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
2495 0 : v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
2496 0 : v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
2497 0 : v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
2498 0 : v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
2499 0 : v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
2500 0 : v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
2501 0 : v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
2502 0 : v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
2503 0 : v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
2504 0 : v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
2505 0 : v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
2506 0 : v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
2507 :
2508 0 : u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
2509 0 : u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
2510 0 : u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
2511 0 : u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
2512 0 : u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
2513 0 : u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
2514 0 : u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
2515 0 : u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
2516 0 : u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
2517 0 : u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
2518 0 : u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
2519 0 : u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
2520 0 : u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
2521 0 : u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
2522 0 : u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
2523 0 : u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
2524 :
2525 0 : v[0] = _mm_cmplt_epi32(u[0], kZero);
2526 0 : v[1] = _mm_cmplt_epi32(u[1], kZero);
2527 0 : v[2] = _mm_cmplt_epi32(u[2], kZero);
2528 0 : v[3] = _mm_cmplt_epi32(u[3], kZero);
2529 0 : v[4] = _mm_cmplt_epi32(u[4], kZero);
2530 0 : v[5] = _mm_cmplt_epi32(u[5], kZero);
2531 0 : v[6] = _mm_cmplt_epi32(u[6], kZero);
2532 0 : v[7] = _mm_cmplt_epi32(u[7], kZero);
2533 0 : v[8] = _mm_cmplt_epi32(u[8], kZero);
2534 0 : v[9] = _mm_cmplt_epi32(u[9], kZero);
2535 0 : v[10] = _mm_cmplt_epi32(u[10], kZero);
2536 0 : v[11] = _mm_cmplt_epi32(u[11], kZero);
2537 0 : v[12] = _mm_cmplt_epi32(u[12], kZero);
2538 0 : v[13] = _mm_cmplt_epi32(u[13], kZero);
2539 0 : v[14] = _mm_cmplt_epi32(u[14], kZero);
2540 0 : v[15] = _mm_cmplt_epi32(u[15], kZero);
2541 :
2542 0 : u[0] = _mm_sub_epi32(u[0], v[0]);
2543 0 : u[1] = _mm_sub_epi32(u[1], v[1]);
2544 0 : u[2] = _mm_sub_epi32(u[2], v[2]);
2545 0 : u[3] = _mm_sub_epi32(u[3], v[3]);
2546 0 : u[4] = _mm_sub_epi32(u[4], v[4]);
2547 0 : u[5] = _mm_sub_epi32(u[5], v[5]);
2548 0 : u[6] = _mm_sub_epi32(u[6], v[6]);
2549 0 : u[7] = _mm_sub_epi32(u[7], v[7]);
2550 0 : u[8] = _mm_sub_epi32(u[8], v[8]);
2551 0 : u[9] = _mm_sub_epi32(u[9], v[9]);
2552 0 : u[10] = _mm_sub_epi32(u[10], v[10]);
2553 0 : u[11] = _mm_sub_epi32(u[11], v[11]);
2554 0 : u[12] = _mm_sub_epi32(u[12], v[12]);
2555 0 : u[13] = _mm_sub_epi32(u[13], v[13]);
2556 0 : u[14] = _mm_sub_epi32(u[14], v[14]);
2557 0 : u[15] = _mm_sub_epi32(u[15], v[15]);
2558 :
2559 0 : v[0] = _mm_add_epi32(u[0], K32One);
2560 0 : v[1] = _mm_add_epi32(u[1], K32One);
2561 0 : v[2] = _mm_add_epi32(u[2], K32One);
2562 0 : v[3] = _mm_add_epi32(u[3], K32One);
2563 0 : v[4] = _mm_add_epi32(u[4], K32One);
2564 0 : v[5] = _mm_add_epi32(u[5], K32One);
2565 0 : v[6] = _mm_add_epi32(u[6], K32One);
2566 0 : v[7] = _mm_add_epi32(u[7], K32One);
2567 0 : v[8] = _mm_add_epi32(u[8], K32One);
2568 0 : v[9] = _mm_add_epi32(u[9], K32One);
2569 0 : v[10] = _mm_add_epi32(u[10], K32One);
2570 0 : v[11] = _mm_add_epi32(u[11], K32One);
2571 0 : v[12] = _mm_add_epi32(u[12], K32One);
2572 0 : v[13] = _mm_add_epi32(u[13], K32One);
2573 0 : v[14] = _mm_add_epi32(u[14], K32One);
2574 0 : v[15] = _mm_add_epi32(u[15], K32One);
2575 :
2576 0 : u[0] = _mm_srai_epi32(v[0], 2);
2577 0 : u[1] = _mm_srai_epi32(v[1], 2);
2578 0 : u[2] = _mm_srai_epi32(v[2], 2);
2579 0 : u[3] = _mm_srai_epi32(v[3], 2);
2580 0 : u[4] = _mm_srai_epi32(v[4], 2);
2581 0 : u[5] = _mm_srai_epi32(v[5], 2);
2582 0 : u[6] = _mm_srai_epi32(v[6], 2);
2583 0 : u[7] = _mm_srai_epi32(v[7], 2);
2584 0 : u[8] = _mm_srai_epi32(v[8], 2);
2585 0 : u[9] = _mm_srai_epi32(v[9], 2);
2586 0 : u[10] = _mm_srai_epi32(v[10], 2);
2587 0 : u[11] = _mm_srai_epi32(v[11], 2);
2588 0 : u[12] = _mm_srai_epi32(v[12], 2);
2589 0 : u[13] = _mm_srai_epi32(v[13], 2);
2590 0 : u[14] = _mm_srai_epi32(v[14], 2);
2591 0 : u[15] = _mm_srai_epi32(v[15], 2);
2592 :
2593 0 : out[2] = _mm_packs_epi32(u[0], u[1]);
2594 0 : out[18] = _mm_packs_epi32(u[2], u[3]);
2595 0 : out[10] = _mm_packs_epi32(u[4], u[5]);
2596 0 : out[26] = _mm_packs_epi32(u[6], u[7]);
2597 0 : out[6] = _mm_packs_epi32(u[8], u[9]);
2598 0 : out[22] = _mm_packs_epi32(u[10], u[11]);
2599 0 : out[14] = _mm_packs_epi32(u[12], u[13]);
2600 0 : out[30] = _mm_packs_epi32(u[14], u[15]);
2601 : #if DCT_HIGH_BIT_DEPTH
2602 0 : overflow =
2603 : check_epi16_overflow_x8(&out[2], &out[18], &out[10], &out[26],
2604 : &out[6], &out[22], &out[14], &out[30]);
2605 0 : if (overflow) {
2606 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2607 0 : return;
2608 : }
2609 : #endif // DCT_HIGH_BIT_DEPTH
2610 : }
2611 : {
2612 0 : lstep1[32] = _mm_add_epi32(lstep3[34], lstep2[32]);
2613 0 : lstep1[33] = _mm_add_epi32(lstep3[35], lstep2[33]);
2614 0 : lstep1[34] = _mm_sub_epi32(lstep2[32], lstep3[34]);
2615 0 : lstep1[35] = _mm_sub_epi32(lstep2[33], lstep3[35]);
2616 0 : lstep1[36] = _mm_sub_epi32(lstep2[38], lstep3[36]);
2617 0 : lstep1[37] = _mm_sub_epi32(lstep2[39], lstep3[37]);
2618 0 : lstep1[38] = _mm_add_epi32(lstep3[36], lstep2[38]);
2619 0 : lstep1[39] = _mm_add_epi32(lstep3[37], lstep2[39]);
2620 0 : lstep1[40] = _mm_add_epi32(lstep3[42], lstep2[40]);
2621 0 : lstep1[41] = _mm_add_epi32(lstep3[43], lstep2[41]);
2622 0 : lstep1[42] = _mm_sub_epi32(lstep2[40], lstep3[42]);
2623 0 : lstep1[43] = _mm_sub_epi32(lstep2[41], lstep3[43]);
2624 0 : lstep1[44] = _mm_sub_epi32(lstep2[46], lstep3[44]);
2625 0 : lstep1[45] = _mm_sub_epi32(lstep2[47], lstep3[45]);
2626 0 : lstep1[46] = _mm_add_epi32(lstep3[44], lstep2[46]);
2627 0 : lstep1[47] = _mm_add_epi32(lstep3[45], lstep2[47]);
2628 0 : lstep1[48] = _mm_add_epi32(lstep3[50], lstep2[48]);
2629 0 : lstep1[49] = _mm_add_epi32(lstep3[51], lstep2[49]);
2630 0 : lstep1[50] = _mm_sub_epi32(lstep2[48], lstep3[50]);
2631 0 : lstep1[51] = _mm_sub_epi32(lstep2[49], lstep3[51]);
2632 0 : lstep1[52] = _mm_sub_epi32(lstep2[54], lstep3[52]);
2633 0 : lstep1[53] = _mm_sub_epi32(lstep2[55], lstep3[53]);
2634 0 : lstep1[54] = _mm_add_epi32(lstep3[52], lstep2[54]);
2635 0 : lstep1[55] = _mm_add_epi32(lstep3[53], lstep2[55]);
2636 0 : lstep1[56] = _mm_add_epi32(lstep3[58], lstep2[56]);
2637 0 : lstep1[57] = _mm_add_epi32(lstep3[59], lstep2[57]);
2638 0 : lstep1[58] = _mm_sub_epi32(lstep2[56], lstep3[58]);
2639 0 : lstep1[59] = _mm_sub_epi32(lstep2[57], lstep3[59]);
2640 0 : lstep1[60] = _mm_sub_epi32(lstep2[62], lstep3[60]);
2641 0 : lstep1[61] = _mm_sub_epi32(lstep2[63], lstep3[61]);
2642 0 : lstep1[62] = _mm_add_epi32(lstep3[60], lstep2[62]);
2643 0 : lstep1[63] = _mm_add_epi32(lstep3[61], lstep2[63]);
2644 : }
2645 : // stage 8
2646 : {
2647 0 : const __m128i k32_p31_p01 = pair_set_epi32(cospi_31_64, cospi_1_64);
2648 0 : const __m128i k32_p15_p17 = pair_set_epi32(cospi_15_64, cospi_17_64);
2649 0 : const __m128i k32_p23_p09 = pair_set_epi32(cospi_23_64, cospi_9_64);
2650 0 : const __m128i k32_p07_p25 = pair_set_epi32(cospi_7_64, cospi_25_64);
2651 0 : const __m128i k32_m25_p07 = pair_set_epi32(-cospi_25_64, cospi_7_64);
2652 0 : const __m128i k32_m09_p23 = pair_set_epi32(-cospi_9_64, cospi_23_64);
2653 0 : const __m128i k32_m17_p15 = pair_set_epi32(-cospi_17_64, cospi_15_64);
2654 0 : const __m128i k32_m01_p31 = pair_set_epi32(-cospi_1_64, cospi_31_64);
2655 :
2656 0 : u[0] = _mm_unpacklo_epi32(lstep1[32], lstep1[62]);
2657 0 : u[1] = _mm_unpackhi_epi32(lstep1[32], lstep1[62]);
2658 0 : u[2] = _mm_unpacklo_epi32(lstep1[33], lstep1[63]);
2659 0 : u[3] = _mm_unpackhi_epi32(lstep1[33], lstep1[63]);
2660 0 : u[4] = _mm_unpacklo_epi32(lstep1[34], lstep1[60]);
2661 0 : u[5] = _mm_unpackhi_epi32(lstep1[34], lstep1[60]);
2662 0 : u[6] = _mm_unpacklo_epi32(lstep1[35], lstep1[61]);
2663 0 : u[7] = _mm_unpackhi_epi32(lstep1[35], lstep1[61]);
2664 0 : u[8] = _mm_unpacklo_epi32(lstep1[36], lstep1[58]);
2665 0 : u[9] = _mm_unpackhi_epi32(lstep1[36], lstep1[58]);
2666 0 : u[10] = _mm_unpacklo_epi32(lstep1[37], lstep1[59]);
2667 0 : u[11] = _mm_unpackhi_epi32(lstep1[37], lstep1[59]);
2668 0 : u[12] = _mm_unpacklo_epi32(lstep1[38], lstep1[56]);
2669 0 : u[13] = _mm_unpackhi_epi32(lstep1[38], lstep1[56]);
2670 0 : u[14] = _mm_unpacklo_epi32(lstep1[39], lstep1[57]);
2671 0 : u[15] = _mm_unpackhi_epi32(lstep1[39], lstep1[57]);
2672 :
2673 0 : v[0] = k_madd_epi32(u[0], k32_p31_p01);
2674 0 : v[1] = k_madd_epi32(u[1], k32_p31_p01);
2675 0 : v[2] = k_madd_epi32(u[2], k32_p31_p01);
2676 0 : v[3] = k_madd_epi32(u[3], k32_p31_p01);
2677 0 : v[4] = k_madd_epi32(u[4], k32_p15_p17);
2678 0 : v[5] = k_madd_epi32(u[5], k32_p15_p17);
2679 0 : v[6] = k_madd_epi32(u[6], k32_p15_p17);
2680 0 : v[7] = k_madd_epi32(u[7], k32_p15_p17);
2681 0 : v[8] = k_madd_epi32(u[8], k32_p23_p09);
2682 0 : v[9] = k_madd_epi32(u[9], k32_p23_p09);
2683 0 : v[10] = k_madd_epi32(u[10], k32_p23_p09);
2684 0 : v[11] = k_madd_epi32(u[11], k32_p23_p09);
2685 0 : v[12] = k_madd_epi32(u[12], k32_p07_p25);
2686 0 : v[13] = k_madd_epi32(u[13], k32_p07_p25);
2687 0 : v[14] = k_madd_epi32(u[14], k32_p07_p25);
2688 0 : v[15] = k_madd_epi32(u[15], k32_p07_p25);
2689 0 : v[16] = k_madd_epi32(u[12], k32_m25_p07);
2690 0 : v[17] = k_madd_epi32(u[13], k32_m25_p07);
2691 0 : v[18] = k_madd_epi32(u[14], k32_m25_p07);
2692 0 : v[19] = k_madd_epi32(u[15], k32_m25_p07);
2693 0 : v[20] = k_madd_epi32(u[8], k32_m09_p23);
2694 0 : v[21] = k_madd_epi32(u[9], k32_m09_p23);
2695 0 : v[22] = k_madd_epi32(u[10], k32_m09_p23);
2696 0 : v[23] = k_madd_epi32(u[11], k32_m09_p23);
2697 0 : v[24] = k_madd_epi32(u[4], k32_m17_p15);
2698 0 : v[25] = k_madd_epi32(u[5], k32_m17_p15);
2699 0 : v[26] = k_madd_epi32(u[6], k32_m17_p15);
2700 0 : v[27] = k_madd_epi32(u[7], k32_m17_p15);
2701 0 : v[28] = k_madd_epi32(u[0], k32_m01_p31);
2702 0 : v[29] = k_madd_epi32(u[1], k32_m01_p31);
2703 0 : v[30] = k_madd_epi32(u[2], k32_m01_p31);
2704 0 : v[31] = k_madd_epi32(u[3], k32_m01_p31);
2705 :
2706 : #if DCT_HIGH_BIT_DEPTH
2707 0 : overflow = k_check_epi32_overflow_32(
2708 : &v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7], &v[8],
2709 : &v[9], &v[10], &v[11], &v[12], &v[13], &v[14], &v[15], &v[16],
2710 : &v[17], &v[18], &v[19], &v[20], &v[21], &v[22], &v[23], &v[24],
2711 : &v[25], &v[26], &v[27], &v[28], &v[29], &v[30], &v[31], &kZero);
2712 0 : if (overflow) {
2713 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2714 0 : return;
2715 : }
2716 : #endif // DCT_HIGH_BIT_DEPTH
2717 0 : u[0] = k_packs_epi64(v[0], v[1]);
2718 0 : u[1] = k_packs_epi64(v[2], v[3]);
2719 0 : u[2] = k_packs_epi64(v[4], v[5]);
2720 0 : u[3] = k_packs_epi64(v[6], v[7]);
2721 0 : u[4] = k_packs_epi64(v[8], v[9]);
2722 0 : u[5] = k_packs_epi64(v[10], v[11]);
2723 0 : u[6] = k_packs_epi64(v[12], v[13]);
2724 0 : u[7] = k_packs_epi64(v[14], v[15]);
2725 0 : u[8] = k_packs_epi64(v[16], v[17]);
2726 0 : u[9] = k_packs_epi64(v[18], v[19]);
2727 0 : u[10] = k_packs_epi64(v[20], v[21]);
2728 0 : u[11] = k_packs_epi64(v[22], v[23]);
2729 0 : u[12] = k_packs_epi64(v[24], v[25]);
2730 0 : u[13] = k_packs_epi64(v[26], v[27]);
2731 0 : u[14] = k_packs_epi64(v[28], v[29]);
2732 0 : u[15] = k_packs_epi64(v[30], v[31]);
2733 :
2734 0 : v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
2735 0 : v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
2736 0 : v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
2737 0 : v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
2738 0 : v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
2739 0 : v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
2740 0 : v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
2741 0 : v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
2742 0 : v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
2743 0 : v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
2744 0 : v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
2745 0 : v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
2746 0 : v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
2747 0 : v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
2748 0 : v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
2749 0 : v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
2750 :
2751 0 : u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
2752 0 : u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
2753 0 : u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
2754 0 : u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
2755 0 : u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
2756 0 : u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
2757 0 : u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
2758 0 : u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
2759 0 : u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
2760 0 : u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
2761 0 : u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
2762 0 : u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
2763 0 : u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
2764 0 : u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
2765 0 : u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
2766 0 : u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
2767 :
2768 0 : v[0] = _mm_cmplt_epi32(u[0], kZero);
2769 0 : v[1] = _mm_cmplt_epi32(u[1], kZero);
2770 0 : v[2] = _mm_cmplt_epi32(u[2], kZero);
2771 0 : v[3] = _mm_cmplt_epi32(u[3], kZero);
2772 0 : v[4] = _mm_cmplt_epi32(u[4], kZero);
2773 0 : v[5] = _mm_cmplt_epi32(u[5], kZero);
2774 0 : v[6] = _mm_cmplt_epi32(u[6], kZero);
2775 0 : v[7] = _mm_cmplt_epi32(u[7], kZero);
2776 0 : v[8] = _mm_cmplt_epi32(u[8], kZero);
2777 0 : v[9] = _mm_cmplt_epi32(u[9], kZero);
2778 0 : v[10] = _mm_cmplt_epi32(u[10], kZero);
2779 0 : v[11] = _mm_cmplt_epi32(u[11], kZero);
2780 0 : v[12] = _mm_cmplt_epi32(u[12], kZero);
2781 0 : v[13] = _mm_cmplt_epi32(u[13], kZero);
2782 0 : v[14] = _mm_cmplt_epi32(u[14], kZero);
2783 0 : v[15] = _mm_cmplt_epi32(u[15], kZero);
2784 :
2785 0 : u[0] = _mm_sub_epi32(u[0], v[0]);
2786 0 : u[1] = _mm_sub_epi32(u[1], v[1]);
2787 0 : u[2] = _mm_sub_epi32(u[2], v[2]);
2788 0 : u[3] = _mm_sub_epi32(u[3], v[3]);
2789 0 : u[4] = _mm_sub_epi32(u[4], v[4]);
2790 0 : u[5] = _mm_sub_epi32(u[5], v[5]);
2791 0 : u[6] = _mm_sub_epi32(u[6], v[6]);
2792 0 : u[7] = _mm_sub_epi32(u[7], v[7]);
2793 0 : u[8] = _mm_sub_epi32(u[8], v[8]);
2794 0 : u[9] = _mm_sub_epi32(u[9], v[9]);
2795 0 : u[10] = _mm_sub_epi32(u[10], v[10]);
2796 0 : u[11] = _mm_sub_epi32(u[11], v[11]);
2797 0 : u[12] = _mm_sub_epi32(u[12], v[12]);
2798 0 : u[13] = _mm_sub_epi32(u[13], v[13]);
2799 0 : u[14] = _mm_sub_epi32(u[14], v[14]);
2800 0 : u[15] = _mm_sub_epi32(u[15], v[15]);
2801 :
2802 0 : v[0] = _mm_add_epi32(u[0], K32One);
2803 0 : v[1] = _mm_add_epi32(u[1], K32One);
2804 0 : v[2] = _mm_add_epi32(u[2], K32One);
2805 0 : v[3] = _mm_add_epi32(u[3], K32One);
2806 0 : v[4] = _mm_add_epi32(u[4], K32One);
2807 0 : v[5] = _mm_add_epi32(u[5], K32One);
2808 0 : v[6] = _mm_add_epi32(u[6], K32One);
2809 0 : v[7] = _mm_add_epi32(u[7], K32One);
2810 0 : v[8] = _mm_add_epi32(u[8], K32One);
2811 0 : v[9] = _mm_add_epi32(u[9], K32One);
2812 0 : v[10] = _mm_add_epi32(u[10], K32One);
2813 0 : v[11] = _mm_add_epi32(u[11], K32One);
2814 0 : v[12] = _mm_add_epi32(u[12], K32One);
2815 0 : v[13] = _mm_add_epi32(u[13], K32One);
2816 0 : v[14] = _mm_add_epi32(u[14], K32One);
2817 0 : v[15] = _mm_add_epi32(u[15], K32One);
2818 :
2819 0 : u[0] = _mm_srai_epi32(v[0], 2);
2820 0 : u[1] = _mm_srai_epi32(v[1], 2);
2821 0 : u[2] = _mm_srai_epi32(v[2], 2);
2822 0 : u[3] = _mm_srai_epi32(v[3], 2);
2823 0 : u[4] = _mm_srai_epi32(v[4], 2);
2824 0 : u[5] = _mm_srai_epi32(v[5], 2);
2825 0 : u[6] = _mm_srai_epi32(v[6], 2);
2826 0 : u[7] = _mm_srai_epi32(v[7], 2);
2827 0 : u[8] = _mm_srai_epi32(v[8], 2);
2828 0 : u[9] = _mm_srai_epi32(v[9], 2);
2829 0 : u[10] = _mm_srai_epi32(v[10], 2);
2830 0 : u[11] = _mm_srai_epi32(v[11], 2);
2831 0 : u[12] = _mm_srai_epi32(v[12], 2);
2832 0 : u[13] = _mm_srai_epi32(v[13], 2);
2833 0 : u[14] = _mm_srai_epi32(v[14], 2);
2834 0 : u[15] = _mm_srai_epi32(v[15], 2);
2835 :
2836 0 : out[1] = _mm_packs_epi32(u[0], u[1]);
2837 0 : out[17] = _mm_packs_epi32(u[2], u[3]);
2838 0 : out[9] = _mm_packs_epi32(u[4], u[5]);
2839 0 : out[25] = _mm_packs_epi32(u[6], u[7]);
2840 0 : out[7] = _mm_packs_epi32(u[8], u[9]);
2841 0 : out[23] = _mm_packs_epi32(u[10], u[11]);
2842 0 : out[15] = _mm_packs_epi32(u[12], u[13]);
2843 0 : out[31] = _mm_packs_epi32(u[14], u[15]);
2844 : #if DCT_HIGH_BIT_DEPTH
2845 0 : overflow =
2846 : check_epi16_overflow_x8(&out[1], &out[17], &out[9], &out[25],
2847 : &out[7], &out[23], &out[15], &out[31]);
2848 0 : if (overflow) {
2849 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2850 0 : return;
2851 : }
2852 : #endif // DCT_HIGH_BIT_DEPTH
2853 : }
2854 : {
2855 0 : const __m128i k32_p27_p05 = pair_set_epi32(cospi_27_64, cospi_5_64);
2856 0 : const __m128i k32_p11_p21 = pair_set_epi32(cospi_11_64, cospi_21_64);
2857 0 : const __m128i k32_p19_p13 = pair_set_epi32(cospi_19_64, cospi_13_64);
2858 0 : const __m128i k32_p03_p29 = pair_set_epi32(cospi_3_64, cospi_29_64);
2859 0 : const __m128i k32_m29_p03 = pair_set_epi32(-cospi_29_64, cospi_3_64);
2860 0 : const __m128i k32_m13_p19 = pair_set_epi32(-cospi_13_64, cospi_19_64);
2861 0 : const __m128i k32_m21_p11 = pair_set_epi32(-cospi_21_64, cospi_11_64);
2862 0 : const __m128i k32_m05_p27 = pair_set_epi32(-cospi_5_64, cospi_27_64);
2863 :
2864 0 : u[0] = _mm_unpacklo_epi32(lstep1[40], lstep1[54]);
2865 0 : u[1] = _mm_unpackhi_epi32(lstep1[40], lstep1[54]);
2866 0 : u[2] = _mm_unpacklo_epi32(lstep1[41], lstep1[55]);
2867 0 : u[3] = _mm_unpackhi_epi32(lstep1[41], lstep1[55]);
2868 0 : u[4] = _mm_unpacklo_epi32(lstep1[42], lstep1[52]);
2869 0 : u[5] = _mm_unpackhi_epi32(lstep1[42], lstep1[52]);
2870 0 : u[6] = _mm_unpacklo_epi32(lstep1[43], lstep1[53]);
2871 0 : u[7] = _mm_unpackhi_epi32(lstep1[43], lstep1[53]);
2872 0 : u[8] = _mm_unpacklo_epi32(lstep1[44], lstep1[50]);
2873 0 : u[9] = _mm_unpackhi_epi32(lstep1[44], lstep1[50]);
2874 0 : u[10] = _mm_unpacklo_epi32(lstep1[45], lstep1[51]);
2875 0 : u[11] = _mm_unpackhi_epi32(lstep1[45], lstep1[51]);
2876 0 : u[12] = _mm_unpacklo_epi32(lstep1[46], lstep1[48]);
2877 0 : u[13] = _mm_unpackhi_epi32(lstep1[46], lstep1[48]);
2878 0 : u[14] = _mm_unpacklo_epi32(lstep1[47], lstep1[49]);
2879 0 : u[15] = _mm_unpackhi_epi32(lstep1[47], lstep1[49]);
2880 :
2881 0 : v[0] = k_madd_epi32(u[0], k32_p27_p05);
2882 0 : v[1] = k_madd_epi32(u[1], k32_p27_p05);
2883 0 : v[2] = k_madd_epi32(u[2], k32_p27_p05);
2884 0 : v[3] = k_madd_epi32(u[3], k32_p27_p05);
2885 0 : v[4] = k_madd_epi32(u[4], k32_p11_p21);
2886 0 : v[5] = k_madd_epi32(u[5], k32_p11_p21);
2887 0 : v[6] = k_madd_epi32(u[6], k32_p11_p21);
2888 0 : v[7] = k_madd_epi32(u[7], k32_p11_p21);
2889 0 : v[8] = k_madd_epi32(u[8], k32_p19_p13);
2890 0 : v[9] = k_madd_epi32(u[9], k32_p19_p13);
2891 0 : v[10] = k_madd_epi32(u[10], k32_p19_p13);
2892 0 : v[11] = k_madd_epi32(u[11], k32_p19_p13);
2893 0 : v[12] = k_madd_epi32(u[12], k32_p03_p29);
2894 0 : v[13] = k_madd_epi32(u[13], k32_p03_p29);
2895 0 : v[14] = k_madd_epi32(u[14], k32_p03_p29);
2896 0 : v[15] = k_madd_epi32(u[15], k32_p03_p29);
2897 0 : v[16] = k_madd_epi32(u[12], k32_m29_p03);
2898 0 : v[17] = k_madd_epi32(u[13], k32_m29_p03);
2899 0 : v[18] = k_madd_epi32(u[14], k32_m29_p03);
2900 0 : v[19] = k_madd_epi32(u[15], k32_m29_p03);
2901 0 : v[20] = k_madd_epi32(u[8], k32_m13_p19);
2902 0 : v[21] = k_madd_epi32(u[9], k32_m13_p19);
2903 0 : v[22] = k_madd_epi32(u[10], k32_m13_p19);
2904 0 : v[23] = k_madd_epi32(u[11], k32_m13_p19);
2905 0 : v[24] = k_madd_epi32(u[4], k32_m21_p11);
2906 0 : v[25] = k_madd_epi32(u[5], k32_m21_p11);
2907 0 : v[26] = k_madd_epi32(u[6], k32_m21_p11);
2908 0 : v[27] = k_madd_epi32(u[7], k32_m21_p11);
2909 0 : v[28] = k_madd_epi32(u[0], k32_m05_p27);
2910 0 : v[29] = k_madd_epi32(u[1], k32_m05_p27);
2911 0 : v[30] = k_madd_epi32(u[2], k32_m05_p27);
2912 0 : v[31] = k_madd_epi32(u[3], k32_m05_p27);
2913 :
2914 : #if DCT_HIGH_BIT_DEPTH
2915 0 : overflow = k_check_epi32_overflow_32(
2916 : &v[0], &v[1], &v[2], &v[3], &v[4], &v[5], &v[6], &v[7], &v[8],
2917 : &v[9], &v[10], &v[11], &v[12], &v[13], &v[14], &v[15], &v[16],
2918 : &v[17], &v[18], &v[19], &v[20], &v[21], &v[22], &v[23], &v[24],
2919 : &v[25], &v[26], &v[27], &v[28], &v[29], &v[30], &v[31], &kZero);
2920 0 : if (overflow) {
2921 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
2922 0 : return;
2923 : }
2924 : #endif // DCT_HIGH_BIT_DEPTH
2925 0 : u[0] = k_packs_epi64(v[0], v[1]);
2926 0 : u[1] = k_packs_epi64(v[2], v[3]);
2927 0 : u[2] = k_packs_epi64(v[4], v[5]);
2928 0 : u[3] = k_packs_epi64(v[6], v[7]);
2929 0 : u[4] = k_packs_epi64(v[8], v[9]);
2930 0 : u[5] = k_packs_epi64(v[10], v[11]);
2931 0 : u[6] = k_packs_epi64(v[12], v[13]);
2932 0 : u[7] = k_packs_epi64(v[14], v[15]);
2933 0 : u[8] = k_packs_epi64(v[16], v[17]);
2934 0 : u[9] = k_packs_epi64(v[18], v[19]);
2935 0 : u[10] = k_packs_epi64(v[20], v[21]);
2936 0 : u[11] = k_packs_epi64(v[22], v[23]);
2937 0 : u[12] = k_packs_epi64(v[24], v[25]);
2938 0 : u[13] = k_packs_epi64(v[26], v[27]);
2939 0 : u[14] = k_packs_epi64(v[28], v[29]);
2940 0 : u[15] = k_packs_epi64(v[30], v[31]);
2941 :
2942 0 : v[0] = _mm_add_epi32(u[0], k__DCT_CONST_ROUNDING);
2943 0 : v[1] = _mm_add_epi32(u[1], k__DCT_CONST_ROUNDING);
2944 0 : v[2] = _mm_add_epi32(u[2], k__DCT_CONST_ROUNDING);
2945 0 : v[3] = _mm_add_epi32(u[3], k__DCT_CONST_ROUNDING);
2946 0 : v[4] = _mm_add_epi32(u[4], k__DCT_CONST_ROUNDING);
2947 0 : v[5] = _mm_add_epi32(u[5], k__DCT_CONST_ROUNDING);
2948 0 : v[6] = _mm_add_epi32(u[6], k__DCT_CONST_ROUNDING);
2949 0 : v[7] = _mm_add_epi32(u[7], k__DCT_CONST_ROUNDING);
2950 0 : v[8] = _mm_add_epi32(u[8], k__DCT_CONST_ROUNDING);
2951 0 : v[9] = _mm_add_epi32(u[9], k__DCT_CONST_ROUNDING);
2952 0 : v[10] = _mm_add_epi32(u[10], k__DCT_CONST_ROUNDING);
2953 0 : v[11] = _mm_add_epi32(u[11], k__DCT_CONST_ROUNDING);
2954 0 : v[12] = _mm_add_epi32(u[12], k__DCT_CONST_ROUNDING);
2955 0 : v[13] = _mm_add_epi32(u[13], k__DCT_CONST_ROUNDING);
2956 0 : v[14] = _mm_add_epi32(u[14], k__DCT_CONST_ROUNDING);
2957 0 : v[15] = _mm_add_epi32(u[15], k__DCT_CONST_ROUNDING);
2958 :
2959 0 : u[0] = _mm_srai_epi32(v[0], DCT_CONST_BITS);
2960 0 : u[1] = _mm_srai_epi32(v[1], DCT_CONST_BITS);
2961 0 : u[2] = _mm_srai_epi32(v[2], DCT_CONST_BITS);
2962 0 : u[3] = _mm_srai_epi32(v[3], DCT_CONST_BITS);
2963 0 : u[4] = _mm_srai_epi32(v[4], DCT_CONST_BITS);
2964 0 : u[5] = _mm_srai_epi32(v[5], DCT_CONST_BITS);
2965 0 : u[6] = _mm_srai_epi32(v[6], DCT_CONST_BITS);
2966 0 : u[7] = _mm_srai_epi32(v[7], DCT_CONST_BITS);
2967 0 : u[8] = _mm_srai_epi32(v[8], DCT_CONST_BITS);
2968 0 : u[9] = _mm_srai_epi32(v[9], DCT_CONST_BITS);
2969 0 : u[10] = _mm_srai_epi32(v[10], DCT_CONST_BITS);
2970 0 : u[11] = _mm_srai_epi32(v[11], DCT_CONST_BITS);
2971 0 : u[12] = _mm_srai_epi32(v[12], DCT_CONST_BITS);
2972 0 : u[13] = _mm_srai_epi32(v[13], DCT_CONST_BITS);
2973 0 : u[14] = _mm_srai_epi32(v[14], DCT_CONST_BITS);
2974 0 : u[15] = _mm_srai_epi32(v[15], DCT_CONST_BITS);
2975 :
2976 0 : v[0] = _mm_cmplt_epi32(u[0], kZero);
2977 0 : v[1] = _mm_cmplt_epi32(u[1], kZero);
2978 0 : v[2] = _mm_cmplt_epi32(u[2], kZero);
2979 0 : v[3] = _mm_cmplt_epi32(u[3], kZero);
2980 0 : v[4] = _mm_cmplt_epi32(u[4], kZero);
2981 0 : v[5] = _mm_cmplt_epi32(u[5], kZero);
2982 0 : v[6] = _mm_cmplt_epi32(u[6], kZero);
2983 0 : v[7] = _mm_cmplt_epi32(u[7], kZero);
2984 0 : v[8] = _mm_cmplt_epi32(u[8], kZero);
2985 0 : v[9] = _mm_cmplt_epi32(u[9], kZero);
2986 0 : v[10] = _mm_cmplt_epi32(u[10], kZero);
2987 0 : v[11] = _mm_cmplt_epi32(u[11], kZero);
2988 0 : v[12] = _mm_cmplt_epi32(u[12], kZero);
2989 0 : v[13] = _mm_cmplt_epi32(u[13], kZero);
2990 0 : v[14] = _mm_cmplt_epi32(u[14], kZero);
2991 0 : v[15] = _mm_cmplt_epi32(u[15], kZero);
2992 :
2993 0 : u[0] = _mm_sub_epi32(u[0], v[0]);
2994 0 : u[1] = _mm_sub_epi32(u[1], v[1]);
2995 0 : u[2] = _mm_sub_epi32(u[2], v[2]);
2996 0 : u[3] = _mm_sub_epi32(u[3], v[3]);
2997 0 : u[4] = _mm_sub_epi32(u[4], v[4]);
2998 0 : u[5] = _mm_sub_epi32(u[5], v[5]);
2999 0 : u[6] = _mm_sub_epi32(u[6], v[6]);
3000 0 : u[7] = _mm_sub_epi32(u[7], v[7]);
3001 0 : u[8] = _mm_sub_epi32(u[8], v[8]);
3002 0 : u[9] = _mm_sub_epi32(u[9], v[9]);
3003 0 : u[10] = _mm_sub_epi32(u[10], v[10]);
3004 0 : u[11] = _mm_sub_epi32(u[11], v[11]);
3005 0 : u[12] = _mm_sub_epi32(u[12], v[12]);
3006 0 : u[13] = _mm_sub_epi32(u[13], v[13]);
3007 0 : u[14] = _mm_sub_epi32(u[14], v[14]);
3008 0 : u[15] = _mm_sub_epi32(u[15], v[15]);
3009 :
3010 0 : v[0] = _mm_add_epi32(u[0], K32One);
3011 0 : v[1] = _mm_add_epi32(u[1], K32One);
3012 0 : v[2] = _mm_add_epi32(u[2], K32One);
3013 0 : v[3] = _mm_add_epi32(u[3], K32One);
3014 0 : v[4] = _mm_add_epi32(u[4], K32One);
3015 0 : v[5] = _mm_add_epi32(u[5], K32One);
3016 0 : v[6] = _mm_add_epi32(u[6], K32One);
3017 0 : v[7] = _mm_add_epi32(u[7], K32One);
3018 0 : v[8] = _mm_add_epi32(u[8], K32One);
3019 0 : v[9] = _mm_add_epi32(u[9], K32One);
3020 0 : v[10] = _mm_add_epi32(u[10], K32One);
3021 0 : v[11] = _mm_add_epi32(u[11], K32One);
3022 0 : v[12] = _mm_add_epi32(u[12], K32One);
3023 0 : v[13] = _mm_add_epi32(u[13], K32One);
3024 0 : v[14] = _mm_add_epi32(u[14], K32One);
3025 0 : v[15] = _mm_add_epi32(u[15], K32One);
3026 :
3027 0 : u[0] = _mm_srai_epi32(v[0], 2);
3028 0 : u[1] = _mm_srai_epi32(v[1], 2);
3029 0 : u[2] = _mm_srai_epi32(v[2], 2);
3030 0 : u[3] = _mm_srai_epi32(v[3], 2);
3031 0 : u[4] = _mm_srai_epi32(v[4], 2);
3032 0 : u[5] = _mm_srai_epi32(v[5], 2);
3033 0 : u[6] = _mm_srai_epi32(v[6], 2);
3034 0 : u[7] = _mm_srai_epi32(v[7], 2);
3035 0 : u[8] = _mm_srai_epi32(v[8], 2);
3036 0 : u[9] = _mm_srai_epi32(v[9], 2);
3037 0 : u[10] = _mm_srai_epi32(v[10], 2);
3038 0 : u[11] = _mm_srai_epi32(v[11], 2);
3039 0 : u[12] = _mm_srai_epi32(v[12], 2);
3040 0 : u[13] = _mm_srai_epi32(v[13], 2);
3041 0 : u[14] = _mm_srai_epi32(v[14], 2);
3042 0 : u[15] = _mm_srai_epi32(v[15], 2);
3043 :
3044 0 : out[5] = _mm_packs_epi32(u[0], u[1]);
3045 0 : out[21] = _mm_packs_epi32(u[2], u[3]);
3046 0 : out[13] = _mm_packs_epi32(u[4], u[5]);
3047 0 : out[29] = _mm_packs_epi32(u[6], u[7]);
3048 0 : out[3] = _mm_packs_epi32(u[8], u[9]);
3049 0 : out[19] = _mm_packs_epi32(u[10], u[11]);
3050 0 : out[11] = _mm_packs_epi32(u[12], u[13]);
3051 0 : out[27] = _mm_packs_epi32(u[14], u[15]);
3052 : #if DCT_HIGH_BIT_DEPTH
3053 0 : overflow =
3054 : check_epi16_overflow_x8(&out[5], &out[21], &out[13], &out[29],
3055 : &out[3], &out[19], &out[11], &out[27]);
3056 0 : if (overflow) {
3057 0 : HIGH_FDCT32x32_2D_ROWS_C(intermediate, output_org);
3058 0 : return;
3059 : }
3060 : #endif // DCT_HIGH_BIT_DEPTH
3061 : }
3062 : }
3063 : #endif // FDCT32x32_HIGH_PRECISION
3064 : // Transpose the results, do it as four 8x8 transposes.
3065 : {
3066 : int transpose_block;
3067 0 : int16_t *output0 = &intermediate[column_start * 32];
3068 0 : tran_low_t *output1 = &output_org[column_start * 32];
3069 0 : for (transpose_block = 0; transpose_block < 4; ++transpose_block) {
3070 0 : __m128i *this_out = &out[8 * transpose_block];
3071 : // 00 01 02 03 04 05 06 07
3072 : // 10 11 12 13 14 15 16 17
3073 : // 20 21 22 23 24 25 26 27
3074 : // 30 31 32 33 34 35 36 37
3075 : // 40 41 42 43 44 45 46 47
3076 : // 50 51 52 53 54 55 56 57
3077 : // 60 61 62 63 64 65 66 67
3078 : // 70 71 72 73 74 75 76 77
3079 0 : const __m128i tr0_0 = _mm_unpacklo_epi16(this_out[0], this_out[1]);
3080 0 : const __m128i tr0_1 = _mm_unpacklo_epi16(this_out[2], this_out[3]);
3081 0 : const __m128i tr0_2 = _mm_unpackhi_epi16(this_out[0], this_out[1]);
3082 0 : const __m128i tr0_3 = _mm_unpackhi_epi16(this_out[2], this_out[3]);
3083 0 : const __m128i tr0_4 = _mm_unpacklo_epi16(this_out[4], this_out[5]);
3084 0 : const __m128i tr0_5 = _mm_unpacklo_epi16(this_out[6], this_out[7]);
3085 0 : const __m128i tr0_6 = _mm_unpackhi_epi16(this_out[4], this_out[5]);
3086 0 : const __m128i tr0_7 = _mm_unpackhi_epi16(this_out[6], this_out[7]);
3087 : // 00 10 01 11 02 12 03 13
3088 : // 20 30 21 31 22 32 23 33
3089 : // 04 14 05 15 06 16 07 17
3090 : // 24 34 25 35 26 36 27 37
3091 : // 40 50 41 51 42 52 43 53
3092 : // 60 70 61 71 62 72 63 73
3093 : // 54 54 55 55 56 56 57 57
3094 : // 64 74 65 75 66 76 67 77
3095 0 : const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
3096 0 : const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3);
3097 0 : const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
3098 0 : const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3);
3099 0 : const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5);
3100 0 : const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
3101 0 : const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5);
3102 0 : const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
3103 : // 00 10 20 30 01 11 21 31
3104 : // 40 50 60 70 41 51 61 71
3105 : // 02 12 22 32 03 13 23 33
3106 : // 42 52 62 72 43 53 63 73
3107 : // 04 14 24 34 05 15 21 36
3108 : // 44 54 64 74 45 55 61 76
3109 : // 06 16 26 36 07 17 27 37
3110 : // 46 56 66 76 47 57 67 77
3111 0 : __m128i tr2_0 = _mm_unpacklo_epi64(tr1_0, tr1_4);
3112 0 : __m128i tr2_1 = _mm_unpackhi_epi64(tr1_0, tr1_4);
3113 0 : __m128i tr2_2 = _mm_unpacklo_epi64(tr1_2, tr1_6);
3114 0 : __m128i tr2_3 = _mm_unpackhi_epi64(tr1_2, tr1_6);
3115 0 : __m128i tr2_4 = _mm_unpacklo_epi64(tr1_1, tr1_5);
3116 0 : __m128i tr2_5 = _mm_unpackhi_epi64(tr1_1, tr1_5);
3117 0 : __m128i tr2_6 = _mm_unpacklo_epi64(tr1_3, tr1_7);
3118 0 : __m128i tr2_7 = _mm_unpackhi_epi64(tr1_3, tr1_7);
3119 : // 00 10 20 30 40 50 60 70
3120 : // 01 11 21 31 41 51 61 71
3121 : // 02 12 22 32 42 52 62 72
3122 : // 03 13 23 33 43 53 63 73
3123 : // 04 14 24 34 44 54 64 74
3124 : // 05 15 25 35 45 55 65 75
3125 : // 06 16 26 36 46 56 66 76
3126 : // 07 17 27 37 47 57 67 77
3127 0 : if (0 == pass) {
3128 : // output[j] = (output[j] + 1 + (output[j] > 0)) >> 2;
3129 : // TODO(cd): see quality impact of only doing
3130 : // output[j] = (output[j] + 1) >> 2;
3131 : // which would remove the code between here ...
3132 0 : __m128i tr2_0_0 = _mm_cmpgt_epi16(tr2_0, kZero);
3133 0 : __m128i tr2_1_0 = _mm_cmpgt_epi16(tr2_1, kZero);
3134 0 : __m128i tr2_2_0 = _mm_cmpgt_epi16(tr2_2, kZero);
3135 0 : __m128i tr2_3_0 = _mm_cmpgt_epi16(tr2_3, kZero);
3136 0 : __m128i tr2_4_0 = _mm_cmpgt_epi16(tr2_4, kZero);
3137 0 : __m128i tr2_5_0 = _mm_cmpgt_epi16(tr2_5, kZero);
3138 0 : __m128i tr2_6_0 = _mm_cmpgt_epi16(tr2_6, kZero);
3139 0 : __m128i tr2_7_0 = _mm_cmpgt_epi16(tr2_7, kZero);
3140 0 : tr2_0 = _mm_sub_epi16(tr2_0, tr2_0_0);
3141 0 : tr2_1 = _mm_sub_epi16(tr2_1, tr2_1_0);
3142 0 : tr2_2 = _mm_sub_epi16(tr2_2, tr2_2_0);
3143 0 : tr2_3 = _mm_sub_epi16(tr2_3, tr2_3_0);
3144 0 : tr2_4 = _mm_sub_epi16(tr2_4, tr2_4_0);
3145 0 : tr2_5 = _mm_sub_epi16(tr2_5, tr2_5_0);
3146 0 : tr2_6 = _mm_sub_epi16(tr2_6, tr2_6_0);
3147 0 : tr2_7 = _mm_sub_epi16(tr2_7, tr2_7_0);
3148 : // ... and here.
3149 : // PS: also change code in av1/encoder/av1_dct.c
3150 0 : tr2_0 = _mm_add_epi16(tr2_0, kOne);
3151 0 : tr2_1 = _mm_add_epi16(tr2_1, kOne);
3152 0 : tr2_2 = _mm_add_epi16(tr2_2, kOne);
3153 0 : tr2_3 = _mm_add_epi16(tr2_3, kOne);
3154 0 : tr2_4 = _mm_add_epi16(tr2_4, kOne);
3155 0 : tr2_5 = _mm_add_epi16(tr2_5, kOne);
3156 0 : tr2_6 = _mm_add_epi16(tr2_6, kOne);
3157 0 : tr2_7 = _mm_add_epi16(tr2_7, kOne);
3158 0 : tr2_0 = _mm_srai_epi16(tr2_0, 2);
3159 0 : tr2_1 = _mm_srai_epi16(tr2_1, 2);
3160 0 : tr2_2 = _mm_srai_epi16(tr2_2, 2);
3161 0 : tr2_3 = _mm_srai_epi16(tr2_3, 2);
3162 0 : tr2_4 = _mm_srai_epi16(tr2_4, 2);
3163 0 : tr2_5 = _mm_srai_epi16(tr2_5, 2);
3164 0 : tr2_6 = _mm_srai_epi16(tr2_6, 2);
3165 0 : tr2_7 = _mm_srai_epi16(tr2_7, 2);
3166 : }
3167 : // Note: even though all these stores are aligned, using the aligned
3168 : // intrinsic make the code slightly slower.
3169 0 : if (pass == 0) {
3170 0 : _mm_storeu_si128((__m128i *)(output0 + 0 * 32), tr2_0);
3171 0 : _mm_storeu_si128((__m128i *)(output0 + 1 * 32), tr2_1);
3172 0 : _mm_storeu_si128((__m128i *)(output0 + 2 * 32), tr2_2);
3173 0 : _mm_storeu_si128((__m128i *)(output0 + 3 * 32), tr2_3);
3174 0 : _mm_storeu_si128((__m128i *)(output0 + 4 * 32), tr2_4);
3175 0 : _mm_storeu_si128((__m128i *)(output0 + 5 * 32), tr2_5);
3176 0 : _mm_storeu_si128((__m128i *)(output0 + 6 * 32), tr2_6);
3177 0 : _mm_storeu_si128((__m128i *)(output0 + 7 * 32), tr2_7);
3178 : // Process next 8x8
3179 0 : output0 += 8;
3180 : } else {
3181 0 : storeu_output(&tr2_0, (output1 + 0 * 32));
3182 0 : storeu_output(&tr2_1, (output1 + 1 * 32));
3183 0 : storeu_output(&tr2_2, (output1 + 2 * 32));
3184 0 : storeu_output(&tr2_3, (output1 + 3 * 32));
3185 0 : storeu_output(&tr2_4, (output1 + 4 * 32));
3186 0 : storeu_output(&tr2_5, (output1 + 5 * 32));
3187 0 : storeu_output(&tr2_6, (output1 + 6 * 32));
3188 0 : storeu_output(&tr2_7, (output1 + 7 * 32));
3189 : // Process next 8x8
3190 0 : output1 += 8;
3191 : }
3192 : }
3193 : }
3194 : }
3195 : }
3196 0 : } // NOLINT
3197 :
3198 : #undef ADD_EPI16
3199 : #undef SUB_EPI16
3200 : #undef HIGH_FDCT32x32_2D_C
3201 : #undef HIGH_FDCT32x32_2D_ROWS_C
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