1 /*
2 * Copyright (c) 2015 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <emmintrin.h> // SSE2
12
13 #include "./vpx_dsp_rtcd.h"
14 #include "vpx_dsp/x86/inv_txfm_sse2.h"
15 #include "vpx_dsp/x86/transpose_sse2.h"
16 #include "vpx_dsp/x86/txfm_common_sse2.h"
17
transpose_16bit_4(__m128i * res)18 static INLINE void transpose_16bit_4(__m128i *res) {
19 const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
20 const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
21
22 res[0] = _mm_unpacklo_epi16(tr0_0, tr0_1);
23 res[1] = _mm_unpackhi_epi16(tr0_0, tr0_1);
24 }
25
vpx_idct4x4_16_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)26 void vpx_idct4x4_16_add_sse2(const tran_low_t *input, uint8_t *dest,
27 int stride) {
28 const __m128i eight = _mm_set1_epi16(8);
29 __m128i in[2];
30
31 // Rows
32 in[0] = load_input_data8(input);
33 in[1] = load_input_data8(input + 8);
34 idct4_sse2(in);
35
36 // Columns
37 idct4_sse2(in);
38
39 // Final round and shift
40 in[0] = _mm_add_epi16(in[0], eight);
41 in[1] = _mm_add_epi16(in[1], eight);
42 in[0] = _mm_srai_epi16(in[0], 4);
43 in[1] = _mm_srai_epi16(in[1], 4);
44
45 recon_and_store4x4_sse2(in, dest, stride);
46 }
47
vpx_idct4x4_1_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)48 void vpx_idct4x4_1_add_sse2(const tran_low_t *input, uint8_t *dest,
49 int stride) {
50 const __m128i zero = _mm_setzero_si128();
51 int a;
52 __m128i dc_value, d[2];
53
54 a = (int)dct_const_round_shift((int16_t)input[0] * cospi_16_64);
55 a = (int)dct_const_round_shift(a * cospi_16_64);
56 a = ROUND_POWER_OF_TWO(a, 4);
57
58 dc_value = _mm_set1_epi16(a);
59
60 // Reconstruction and Store
61 d[0] = _mm_cvtsi32_si128(*(const int *)(dest));
62 d[1] = _mm_cvtsi32_si128(*(const int *)(dest + stride * 3));
63 d[0] = _mm_unpacklo_epi32(d[0],
64 _mm_cvtsi32_si128(*(const int *)(dest + stride)));
65 d[1] = _mm_unpacklo_epi32(
66 _mm_cvtsi32_si128(*(const int *)(dest + stride * 2)), d[1]);
67 d[0] = _mm_unpacklo_epi8(d[0], zero);
68 d[1] = _mm_unpacklo_epi8(d[1], zero);
69 d[0] = _mm_add_epi16(d[0], dc_value);
70 d[1] = _mm_add_epi16(d[1], dc_value);
71 d[0] = _mm_packus_epi16(d[0], d[1]);
72
73 *(int *)dest = _mm_cvtsi128_si32(d[0]);
74 d[0] = _mm_srli_si128(d[0], 4);
75 *(int *)(dest + stride) = _mm_cvtsi128_si32(d[0]);
76 d[0] = _mm_srli_si128(d[0], 4);
77 *(int *)(dest + stride * 2) = _mm_cvtsi128_si32(d[0]);
78 d[0] = _mm_srli_si128(d[0], 4);
79 *(int *)(dest + stride * 3) = _mm_cvtsi128_si32(d[0]);
80 }
81
idct4_sse2(__m128i * const in)82 void idct4_sse2(__m128i *const in) {
83 const __m128i k__cospi_p16_p16 = pair_set_epi16(cospi_16_64, cospi_16_64);
84 const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
85 const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
86 const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
87 __m128i u[2];
88
89 transpose_16bit_4(in);
90 // stage 1
91 u[0] = _mm_unpacklo_epi16(in[0], in[1]);
92 u[1] = _mm_unpackhi_epi16(in[0], in[1]);
93 u[0] = idct_calc_wraplow_sse2(k__cospi_p16_p16, k__cospi_p16_m16, u[0]);
94 u[1] = idct_calc_wraplow_sse2(k__cospi_p08_p24, k__cospi_p24_m08, u[1]);
95
96 // stage 2
97 in[0] = _mm_add_epi16(u[0], u[1]);
98 in[1] = _mm_sub_epi16(u[0], u[1]);
99 in[1] = _mm_shuffle_epi32(in[1], 0x4E);
100 }
101
iadst4_sse2(__m128i * const in)102 void iadst4_sse2(__m128i *const in) {
103 const __m128i k__sinpi_1_3 = pair_set_epi16(sinpi_1_9, sinpi_3_9);
104 const __m128i k__sinpi_4_2 = pair_set_epi16(sinpi_4_9, sinpi_2_9);
105 const __m128i k__sinpi_2_3 = pair_set_epi16(sinpi_2_9, sinpi_3_9);
106 const __m128i k__sinpi_1_4 = pair_set_epi16(sinpi_1_9, sinpi_4_9);
107 const __m128i k__sinpi_12_n3 =
108 pair_set_epi16(sinpi_1_9 + sinpi_2_9, -sinpi_3_9);
109 __m128i u[4], v[5];
110
111 // 00 01 20 21 02 03 22 23
112 // 10 11 30 31 12 13 32 33
113 const __m128i tr0_0 = _mm_unpacklo_epi32(in[0], in[1]);
114 const __m128i tr0_1 = _mm_unpackhi_epi32(in[0], in[1]);
115
116 // 00 01 10 11 20 21 30 31
117 // 02 03 12 13 22 23 32 33
118 in[0] = _mm_unpacklo_epi32(tr0_0, tr0_1);
119 in[1] = _mm_unpackhi_epi32(tr0_0, tr0_1);
120
121 v[0] = _mm_madd_epi16(in[0], k__sinpi_1_3); // s_1 * x0 + s_3 * x1
122 v[1] = _mm_madd_epi16(in[1], k__sinpi_4_2); // s_4 * x2 + s_2 * x3
123 v[2] = _mm_madd_epi16(in[0], k__sinpi_2_3); // s_2 * x0 + s_3 * x1
124 v[3] = _mm_madd_epi16(in[1], k__sinpi_1_4); // s_1 * x2 + s_4 * x3
125 v[4] = _mm_madd_epi16(in[0], k__sinpi_12_n3); // (s_1 + s_2) * x0 - s_3 * x1
126 in[0] = _mm_sub_epi16(in[0], in[1]); // x0 - x2
127 in[1] = _mm_srli_epi32(in[1], 16);
128 in[0] = _mm_add_epi16(in[0], in[1]);
129 in[0] = _mm_slli_epi32(in[0], 16); // x0 - x2 + x3
130
131 u[0] = _mm_add_epi32(v[0], v[1]);
132 u[1] = _mm_sub_epi32(v[2], v[3]);
133 u[2] = _mm_madd_epi16(in[0], k__sinpi_1_3);
134 u[3] = _mm_sub_epi32(v[1], v[3]);
135 u[3] = _mm_add_epi32(u[3], v[4]);
136
137 u[0] = dct_const_round_shift_sse2(u[0]);
138 u[1] = dct_const_round_shift_sse2(u[1]);
139 u[2] = dct_const_round_shift_sse2(u[2]);
140 u[3] = dct_const_round_shift_sse2(u[3]);
141
142 in[0] = _mm_packs_epi32(u[0], u[1]);
143 in[1] = _mm_packs_epi32(u[2], u[3]);
144 }
145
load_buffer_8x8(const tran_low_t * const input,__m128i * const in)146 static INLINE void load_buffer_8x8(const tran_low_t *const input,
147 __m128i *const in) {
148 in[0] = load_input_data8(input + 0 * 8);
149 in[1] = load_input_data8(input + 1 * 8);
150 in[2] = load_input_data8(input + 2 * 8);
151 in[3] = load_input_data8(input + 3 * 8);
152 in[4] = load_input_data8(input + 4 * 8);
153 in[5] = load_input_data8(input + 5 * 8);
154 in[6] = load_input_data8(input + 6 * 8);
155 in[7] = load_input_data8(input + 7 * 8);
156 }
157
vpx_idct8x8_64_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)158 void vpx_idct8x8_64_add_sse2(const tran_low_t *input, uint8_t *dest,
159 int stride) {
160 __m128i in[8];
161 int i;
162
163 // Load input data.
164 load_buffer_8x8(input, in);
165
166 // 2-D
167 for (i = 0; i < 2; i++) {
168 vpx_idct8_sse2(in);
169 }
170
171 write_buffer_8x8(in, dest, stride);
172 }
173
vpx_idct8x8_12_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)174 void vpx_idct8x8_12_add_sse2(const tran_low_t *input, uint8_t *dest,
175 int stride) {
176 __m128i io[8];
177
178 io[0] = load_input_data4(input + 0 * 8);
179 io[1] = load_input_data4(input + 1 * 8);
180 io[2] = load_input_data4(input + 2 * 8);
181 io[3] = load_input_data4(input + 3 * 8);
182
183 idct8x8_12_add_kernel_sse2(io);
184 write_buffer_8x8(io, dest, stride);
185 }
186
recon_and_store_8_dual(uint8_t * const dest,const __m128i in_x,const int stride)187 static INLINE void recon_and_store_8_dual(uint8_t *const dest,
188 const __m128i in_x,
189 const int stride) {
190 const __m128i zero = _mm_setzero_si128();
191 __m128i d0, d1;
192
193 d0 = _mm_loadl_epi64((__m128i *)(dest + 0 * stride));
194 d1 = _mm_loadl_epi64((__m128i *)(dest + 1 * stride));
195 d0 = _mm_unpacklo_epi8(d0, zero);
196 d1 = _mm_unpacklo_epi8(d1, zero);
197 d0 = _mm_add_epi16(in_x, d0);
198 d1 = _mm_add_epi16(in_x, d1);
199 d0 = _mm_packus_epi16(d0, d1);
200 _mm_storel_epi64((__m128i *)(dest + 0 * stride), d0);
201 _mm_storeh_pi((__m64 *)(dest + 1 * stride), _mm_castsi128_ps(d0));
202 }
203
vpx_idct8x8_1_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)204 void vpx_idct8x8_1_add_sse2(const tran_low_t *input, uint8_t *dest,
205 int stride) {
206 __m128i dc_value;
207 tran_high_t a1;
208 tran_low_t out =
209 WRAPLOW(dct_const_round_shift((int16_t)input[0] * cospi_16_64));
210
211 out = WRAPLOW(dct_const_round_shift(out * cospi_16_64));
212 a1 = ROUND_POWER_OF_TWO(out, 5);
213 dc_value = _mm_set1_epi16((int16_t)a1);
214
215 recon_and_store_8_dual(dest, dc_value, stride);
216 dest += 2 * stride;
217 recon_and_store_8_dual(dest, dc_value, stride);
218 dest += 2 * stride;
219 recon_and_store_8_dual(dest, dc_value, stride);
220 dest += 2 * stride;
221 recon_and_store_8_dual(dest, dc_value, stride);
222 }
223
vpx_idct8_sse2(__m128i * const in)224 void vpx_idct8_sse2(__m128i *const in) {
225 // 8x8 Transpose is copied from vpx_fdct8x8_sse2()
226 transpose_16bit_8x8(in, in);
227
228 // 4-stage 1D idct8x8
229 idct8(in, in);
230 }
231
iadst8_sse2(__m128i * const in)232 void iadst8_sse2(__m128i *const in) {
233 const __m128i k__cospi_p02_p30 = pair_set_epi16(cospi_2_64, cospi_30_64);
234 const __m128i k__cospi_p30_m02 = pair_set_epi16(cospi_30_64, -cospi_2_64);
235 const __m128i k__cospi_p10_p22 = pair_set_epi16(cospi_10_64, cospi_22_64);
236 const __m128i k__cospi_p22_m10 = pair_set_epi16(cospi_22_64, -cospi_10_64);
237 const __m128i k__cospi_p18_p14 = pair_set_epi16(cospi_18_64, cospi_14_64);
238 const __m128i k__cospi_p14_m18 = pair_set_epi16(cospi_14_64, -cospi_18_64);
239 const __m128i k__cospi_p26_p06 = pair_set_epi16(cospi_26_64, cospi_6_64);
240 const __m128i k__cospi_p06_m26 = pair_set_epi16(cospi_6_64, -cospi_26_64);
241 const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
242 const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
243 const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
244 const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
245 const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64);
246 const __m128i kZero = _mm_setzero_si128();
247 __m128i s[8], u[16], v[8], w[16];
248
249 // transpose
250 transpose_16bit_8x8(in, in);
251
252 // column transformation
253 // stage 1
254 // interleave and multiply/add into 32-bit integer
255 s[0] = _mm_unpacklo_epi16(in[7], in[0]);
256 s[1] = _mm_unpackhi_epi16(in[7], in[0]);
257 s[2] = _mm_unpacklo_epi16(in[5], in[2]);
258 s[3] = _mm_unpackhi_epi16(in[5], in[2]);
259 s[4] = _mm_unpacklo_epi16(in[3], in[4]);
260 s[5] = _mm_unpackhi_epi16(in[3], in[4]);
261 s[6] = _mm_unpacklo_epi16(in[1], in[6]);
262 s[7] = _mm_unpackhi_epi16(in[1], in[6]);
263
264 u[0] = _mm_madd_epi16(s[0], k__cospi_p02_p30);
265 u[1] = _mm_madd_epi16(s[1], k__cospi_p02_p30);
266 u[2] = _mm_madd_epi16(s[0], k__cospi_p30_m02);
267 u[3] = _mm_madd_epi16(s[1], k__cospi_p30_m02);
268 u[4] = _mm_madd_epi16(s[2], k__cospi_p10_p22);
269 u[5] = _mm_madd_epi16(s[3], k__cospi_p10_p22);
270 u[6] = _mm_madd_epi16(s[2], k__cospi_p22_m10);
271 u[7] = _mm_madd_epi16(s[3], k__cospi_p22_m10);
272 u[8] = _mm_madd_epi16(s[4], k__cospi_p18_p14);
273 u[9] = _mm_madd_epi16(s[5], k__cospi_p18_p14);
274 u[10] = _mm_madd_epi16(s[4], k__cospi_p14_m18);
275 u[11] = _mm_madd_epi16(s[5], k__cospi_p14_m18);
276 u[12] = _mm_madd_epi16(s[6], k__cospi_p26_p06);
277 u[13] = _mm_madd_epi16(s[7], k__cospi_p26_p06);
278 u[14] = _mm_madd_epi16(s[6], k__cospi_p06_m26);
279 u[15] = _mm_madd_epi16(s[7], k__cospi_p06_m26);
280
281 // addition
282 w[0] = _mm_add_epi32(u[0], u[8]);
283 w[1] = _mm_add_epi32(u[1], u[9]);
284 w[2] = _mm_add_epi32(u[2], u[10]);
285 w[3] = _mm_add_epi32(u[3], u[11]);
286 w[4] = _mm_add_epi32(u[4], u[12]);
287 w[5] = _mm_add_epi32(u[5], u[13]);
288 w[6] = _mm_add_epi32(u[6], u[14]);
289 w[7] = _mm_add_epi32(u[7], u[15]);
290 w[8] = _mm_sub_epi32(u[0], u[8]);
291 w[9] = _mm_sub_epi32(u[1], u[9]);
292 w[10] = _mm_sub_epi32(u[2], u[10]);
293 w[11] = _mm_sub_epi32(u[3], u[11]);
294 w[12] = _mm_sub_epi32(u[4], u[12]);
295 w[13] = _mm_sub_epi32(u[5], u[13]);
296 w[14] = _mm_sub_epi32(u[6], u[14]);
297 w[15] = _mm_sub_epi32(u[7], u[15]);
298
299 // shift and rounding
300 u[0] = dct_const_round_shift_sse2(w[0]);
301 u[1] = dct_const_round_shift_sse2(w[1]);
302 u[2] = dct_const_round_shift_sse2(w[2]);
303 u[3] = dct_const_round_shift_sse2(w[3]);
304 u[4] = dct_const_round_shift_sse2(w[4]);
305 u[5] = dct_const_round_shift_sse2(w[5]);
306 u[6] = dct_const_round_shift_sse2(w[6]);
307 u[7] = dct_const_round_shift_sse2(w[7]);
308 u[8] = dct_const_round_shift_sse2(w[8]);
309 u[9] = dct_const_round_shift_sse2(w[9]);
310 u[10] = dct_const_round_shift_sse2(w[10]);
311 u[11] = dct_const_round_shift_sse2(w[11]);
312 u[12] = dct_const_round_shift_sse2(w[12]);
313 u[13] = dct_const_round_shift_sse2(w[13]);
314 u[14] = dct_const_round_shift_sse2(w[14]);
315 u[15] = dct_const_round_shift_sse2(w[15]);
316
317 // back to 16-bit and pack 8 integers into __m128i
318 in[0] = _mm_packs_epi32(u[0], u[1]);
319 in[1] = _mm_packs_epi32(u[2], u[3]);
320 in[2] = _mm_packs_epi32(u[4], u[5]);
321 in[3] = _mm_packs_epi32(u[6], u[7]);
322 in[4] = _mm_packs_epi32(u[8], u[9]);
323 in[5] = _mm_packs_epi32(u[10], u[11]);
324 in[6] = _mm_packs_epi32(u[12], u[13]);
325 in[7] = _mm_packs_epi32(u[14], u[15]);
326
327 // stage 2
328 s[0] = _mm_add_epi16(in[0], in[2]);
329 s[1] = _mm_add_epi16(in[1], in[3]);
330 s[2] = _mm_sub_epi16(in[0], in[2]);
331 s[3] = _mm_sub_epi16(in[1], in[3]);
332 u[0] = _mm_unpacklo_epi16(in[4], in[5]);
333 u[1] = _mm_unpackhi_epi16(in[4], in[5]);
334 u[2] = _mm_unpacklo_epi16(in[6], in[7]);
335 u[3] = _mm_unpackhi_epi16(in[6], in[7]);
336
337 v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
338 v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
339 v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
340 v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
341 v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
342 v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
343 v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
344 v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
345
346 w[0] = _mm_add_epi32(v[0], v[4]);
347 w[1] = _mm_add_epi32(v[1], v[5]);
348 w[2] = _mm_add_epi32(v[2], v[6]);
349 w[3] = _mm_add_epi32(v[3], v[7]);
350 w[4] = _mm_sub_epi32(v[0], v[4]);
351 w[5] = _mm_sub_epi32(v[1], v[5]);
352 w[6] = _mm_sub_epi32(v[2], v[6]);
353 w[7] = _mm_sub_epi32(v[3], v[7]);
354
355 u[0] = dct_const_round_shift_sse2(w[0]);
356 u[1] = dct_const_round_shift_sse2(w[1]);
357 u[2] = dct_const_round_shift_sse2(w[2]);
358 u[3] = dct_const_round_shift_sse2(w[3]);
359 u[4] = dct_const_round_shift_sse2(w[4]);
360 u[5] = dct_const_round_shift_sse2(w[5]);
361 u[6] = dct_const_round_shift_sse2(w[6]);
362 u[7] = dct_const_round_shift_sse2(w[7]);
363
364 // back to 16-bit intergers
365 s[4] = _mm_packs_epi32(u[0], u[1]);
366 s[5] = _mm_packs_epi32(u[2], u[3]);
367 s[6] = _mm_packs_epi32(u[4], u[5]);
368 s[7] = _mm_packs_epi32(u[6], u[7]);
369
370 // stage 3
371 u[0] = _mm_unpacklo_epi16(s[2], s[3]);
372 u[1] = _mm_unpackhi_epi16(s[2], s[3]);
373 u[2] = _mm_unpacklo_epi16(s[6], s[7]);
374 u[3] = _mm_unpackhi_epi16(s[6], s[7]);
375
376 s[2] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_p16_p16);
377 s[3] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_p16_m16);
378 s[6] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_p16_p16);
379 s[7] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_p16_m16);
380
381 in[0] = s[0];
382 in[1] = _mm_sub_epi16(kZero, s[4]);
383 in[2] = s[6];
384 in[3] = _mm_sub_epi16(kZero, s[2]);
385 in[4] = s[3];
386 in[5] = _mm_sub_epi16(kZero, s[7]);
387 in[6] = s[5];
388 in[7] = _mm_sub_epi16(kZero, s[1]);
389 }
390
idct16_load8x8(const tran_low_t * const input,__m128i * const in)391 static INLINE void idct16_load8x8(const tran_low_t *const input,
392 __m128i *const in) {
393 in[0] = load_input_data8(input + 0 * 16);
394 in[1] = load_input_data8(input + 1 * 16);
395 in[2] = load_input_data8(input + 2 * 16);
396 in[3] = load_input_data8(input + 3 * 16);
397 in[4] = load_input_data8(input + 4 * 16);
398 in[5] = load_input_data8(input + 5 * 16);
399 in[6] = load_input_data8(input + 6 * 16);
400 in[7] = load_input_data8(input + 7 * 16);
401 }
402
vpx_idct16x16_256_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)403 void vpx_idct16x16_256_add_sse2(const tran_low_t *input, uint8_t *dest,
404 int stride) {
405 __m128i l[16], r[16], out[16], *in;
406 int i;
407
408 in = l;
409 for (i = 0; i < 2; i++) {
410 idct16_load8x8(input, in);
411 transpose_16bit_8x8(in, in);
412 idct16_load8x8(input + 8, in + 8);
413 transpose_16bit_8x8(in + 8, in + 8);
414 idct16_8col(in, in);
415 in = r;
416 input += 128;
417 }
418
419 for (i = 0; i < 16; i += 8) {
420 int j;
421 transpose_16bit_8x8(l + i, out);
422 transpose_16bit_8x8(r + i, out + 8);
423 idct16_8col(out, out);
424
425 for (j = 0; j < 16; ++j) {
426 write_buffer_8x1(dest + j * stride, out[j]);
427 }
428
429 dest += 8;
430 }
431 }
432
vpx_idct16x16_38_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)433 void vpx_idct16x16_38_add_sse2(const tran_low_t *input, uint8_t *dest,
434 int stride) {
435 __m128i in[16], temp[16], out[16];
436 int i;
437
438 idct16_load8x8(input, in);
439 transpose_16bit_8x8(in, in);
440
441 for (i = 8; i < 16; i++) {
442 in[i] = _mm_setzero_si128();
443 }
444 idct16_8col(in, temp);
445
446 for (i = 0; i < 16; i += 8) {
447 int j;
448 transpose_16bit_8x8(temp + i, in);
449 idct16_8col(in, out);
450
451 for (j = 0; j < 16; ++j) {
452 write_buffer_8x1(dest + j * stride, out[j]);
453 }
454
455 dest += 8;
456 }
457 }
458
vpx_idct16x16_10_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)459 void vpx_idct16x16_10_add_sse2(const tran_low_t *input, uint8_t *dest,
460 int stride) {
461 __m128i in[16], l[16];
462 int i;
463
464 // First 1-D inverse DCT
465 // Load input data.
466 in[0] = load_input_data4(input + 0 * 16);
467 in[1] = load_input_data4(input + 1 * 16);
468 in[2] = load_input_data4(input + 2 * 16);
469 in[3] = load_input_data4(input + 3 * 16);
470
471 idct16x16_10_pass1(in, l);
472
473 // Second 1-D inverse transform, performed per 8x16 block
474 for (i = 0; i < 16; i += 8) {
475 int j;
476 idct16x16_10_pass2(l + i, in);
477
478 for (j = 0; j < 16; ++j) {
479 write_buffer_8x1(dest + j * stride, in[j]);
480 }
481
482 dest += 8;
483 }
484 }
485
recon_and_store_16(uint8_t * const dest,const __m128i in_x)486 static INLINE void recon_and_store_16(uint8_t *const dest, const __m128i in_x) {
487 const __m128i zero = _mm_setzero_si128();
488 __m128i d0, d1;
489
490 d0 = _mm_load_si128((__m128i *)(dest));
491 d1 = _mm_unpackhi_epi8(d0, zero);
492 d0 = _mm_unpacklo_epi8(d0, zero);
493 d0 = _mm_add_epi16(in_x, d0);
494 d1 = _mm_add_epi16(in_x, d1);
495 d0 = _mm_packus_epi16(d0, d1);
496 _mm_store_si128((__m128i *)(dest), d0);
497 }
498
vpx_idct16x16_1_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)499 void vpx_idct16x16_1_add_sse2(const tran_low_t *input, uint8_t *dest,
500 int stride) {
501 __m128i dc_value;
502 int i;
503 tran_high_t a1;
504 tran_low_t out =
505 WRAPLOW(dct_const_round_shift((int16_t)input[0] * cospi_16_64));
506
507 out = WRAPLOW(dct_const_round_shift(out * cospi_16_64));
508 a1 = ROUND_POWER_OF_TWO(out, 6);
509 dc_value = _mm_set1_epi16((int16_t)a1);
510
511 for (i = 0; i < 16; ++i) {
512 recon_and_store_16(dest, dc_value);
513 dest += stride;
514 }
515 }
516
vpx_iadst16_8col_sse2(__m128i * const in)517 void vpx_iadst16_8col_sse2(__m128i *const in) {
518 // perform 16x16 1-D ADST for 8 columns
519 __m128i s[16], x[16], u[32], v[32];
520 const __m128i k__cospi_p01_p31 = pair_set_epi16(cospi_1_64, cospi_31_64);
521 const __m128i k__cospi_p31_m01 = pair_set_epi16(cospi_31_64, -cospi_1_64);
522 const __m128i k__cospi_p05_p27 = pair_set_epi16(cospi_5_64, cospi_27_64);
523 const __m128i k__cospi_p27_m05 = pair_set_epi16(cospi_27_64, -cospi_5_64);
524 const __m128i k__cospi_p09_p23 = pair_set_epi16(cospi_9_64, cospi_23_64);
525 const __m128i k__cospi_p23_m09 = pair_set_epi16(cospi_23_64, -cospi_9_64);
526 const __m128i k__cospi_p13_p19 = pair_set_epi16(cospi_13_64, cospi_19_64);
527 const __m128i k__cospi_p19_m13 = pair_set_epi16(cospi_19_64, -cospi_13_64);
528 const __m128i k__cospi_p17_p15 = pair_set_epi16(cospi_17_64, cospi_15_64);
529 const __m128i k__cospi_p15_m17 = pair_set_epi16(cospi_15_64, -cospi_17_64);
530 const __m128i k__cospi_p21_p11 = pair_set_epi16(cospi_21_64, cospi_11_64);
531 const __m128i k__cospi_p11_m21 = pair_set_epi16(cospi_11_64, -cospi_21_64);
532 const __m128i k__cospi_p25_p07 = pair_set_epi16(cospi_25_64, cospi_7_64);
533 const __m128i k__cospi_p07_m25 = pair_set_epi16(cospi_7_64, -cospi_25_64);
534 const __m128i k__cospi_p29_p03 = pair_set_epi16(cospi_29_64, cospi_3_64);
535 const __m128i k__cospi_p03_m29 = pair_set_epi16(cospi_3_64, -cospi_29_64);
536 const __m128i k__cospi_p04_p28 = pair_set_epi16(cospi_4_64, cospi_28_64);
537 const __m128i k__cospi_p28_m04 = pair_set_epi16(cospi_28_64, -cospi_4_64);
538 const __m128i k__cospi_p20_p12 = pair_set_epi16(cospi_20_64, cospi_12_64);
539 const __m128i k__cospi_p12_m20 = pair_set_epi16(cospi_12_64, -cospi_20_64);
540 const __m128i k__cospi_m28_p04 = pair_set_epi16(-cospi_28_64, cospi_4_64);
541 const __m128i k__cospi_m12_p20 = pair_set_epi16(-cospi_12_64, cospi_20_64);
542 const __m128i k__cospi_p08_p24 = pair_set_epi16(cospi_8_64, cospi_24_64);
543 const __m128i k__cospi_p24_m08 = pair_set_epi16(cospi_24_64, -cospi_8_64);
544 const __m128i k__cospi_m24_p08 = pair_set_epi16(-cospi_24_64, cospi_8_64);
545 const __m128i k__cospi_m16_m16 = _mm_set1_epi16(-cospi_16_64);
546 const __m128i k__cospi_p16_p16 = _mm_set1_epi16(cospi_16_64);
547 const __m128i k__cospi_p16_m16 = pair_set_epi16(cospi_16_64, -cospi_16_64);
548 const __m128i k__cospi_m16_p16 = pair_set_epi16(-cospi_16_64, cospi_16_64);
549 const __m128i kZero = _mm_setzero_si128();
550
551 u[0] = _mm_unpacklo_epi16(in[15], in[0]);
552 u[1] = _mm_unpackhi_epi16(in[15], in[0]);
553 u[2] = _mm_unpacklo_epi16(in[13], in[2]);
554 u[3] = _mm_unpackhi_epi16(in[13], in[2]);
555 u[4] = _mm_unpacklo_epi16(in[11], in[4]);
556 u[5] = _mm_unpackhi_epi16(in[11], in[4]);
557 u[6] = _mm_unpacklo_epi16(in[9], in[6]);
558 u[7] = _mm_unpackhi_epi16(in[9], in[6]);
559 u[8] = _mm_unpacklo_epi16(in[7], in[8]);
560 u[9] = _mm_unpackhi_epi16(in[7], in[8]);
561 u[10] = _mm_unpacklo_epi16(in[5], in[10]);
562 u[11] = _mm_unpackhi_epi16(in[5], in[10]);
563 u[12] = _mm_unpacklo_epi16(in[3], in[12]);
564 u[13] = _mm_unpackhi_epi16(in[3], in[12]);
565 u[14] = _mm_unpacklo_epi16(in[1], in[14]);
566 u[15] = _mm_unpackhi_epi16(in[1], in[14]);
567
568 v[0] = _mm_madd_epi16(u[0], k__cospi_p01_p31);
569 v[1] = _mm_madd_epi16(u[1], k__cospi_p01_p31);
570 v[2] = _mm_madd_epi16(u[0], k__cospi_p31_m01);
571 v[3] = _mm_madd_epi16(u[1], k__cospi_p31_m01);
572 v[4] = _mm_madd_epi16(u[2], k__cospi_p05_p27);
573 v[5] = _mm_madd_epi16(u[3], k__cospi_p05_p27);
574 v[6] = _mm_madd_epi16(u[2], k__cospi_p27_m05);
575 v[7] = _mm_madd_epi16(u[3], k__cospi_p27_m05);
576 v[8] = _mm_madd_epi16(u[4], k__cospi_p09_p23);
577 v[9] = _mm_madd_epi16(u[5], k__cospi_p09_p23);
578 v[10] = _mm_madd_epi16(u[4], k__cospi_p23_m09);
579 v[11] = _mm_madd_epi16(u[5], k__cospi_p23_m09);
580 v[12] = _mm_madd_epi16(u[6], k__cospi_p13_p19);
581 v[13] = _mm_madd_epi16(u[7], k__cospi_p13_p19);
582 v[14] = _mm_madd_epi16(u[6], k__cospi_p19_m13);
583 v[15] = _mm_madd_epi16(u[7], k__cospi_p19_m13);
584 v[16] = _mm_madd_epi16(u[8], k__cospi_p17_p15);
585 v[17] = _mm_madd_epi16(u[9], k__cospi_p17_p15);
586 v[18] = _mm_madd_epi16(u[8], k__cospi_p15_m17);
587 v[19] = _mm_madd_epi16(u[9], k__cospi_p15_m17);
588 v[20] = _mm_madd_epi16(u[10], k__cospi_p21_p11);
589 v[21] = _mm_madd_epi16(u[11], k__cospi_p21_p11);
590 v[22] = _mm_madd_epi16(u[10], k__cospi_p11_m21);
591 v[23] = _mm_madd_epi16(u[11], k__cospi_p11_m21);
592 v[24] = _mm_madd_epi16(u[12], k__cospi_p25_p07);
593 v[25] = _mm_madd_epi16(u[13], k__cospi_p25_p07);
594 v[26] = _mm_madd_epi16(u[12], k__cospi_p07_m25);
595 v[27] = _mm_madd_epi16(u[13], k__cospi_p07_m25);
596 v[28] = _mm_madd_epi16(u[14], k__cospi_p29_p03);
597 v[29] = _mm_madd_epi16(u[15], k__cospi_p29_p03);
598 v[30] = _mm_madd_epi16(u[14], k__cospi_p03_m29);
599 v[31] = _mm_madd_epi16(u[15], k__cospi_p03_m29);
600
601 u[0] = _mm_add_epi32(v[0], v[16]);
602 u[1] = _mm_add_epi32(v[1], v[17]);
603 u[2] = _mm_add_epi32(v[2], v[18]);
604 u[3] = _mm_add_epi32(v[3], v[19]);
605 u[4] = _mm_add_epi32(v[4], v[20]);
606 u[5] = _mm_add_epi32(v[5], v[21]);
607 u[6] = _mm_add_epi32(v[6], v[22]);
608 u[7] = _mm_add_epi32(v[7], v[23]);
609 u[8] = _mm_add_epi32(v[8], v[24]);
610 u[9] = _mm_add_epi32(v[9], v[25]);
611 u[10] = _mm_add_epi32(v[10], v[26]);
612 u[11] = _mm_add_epi32(v[11], v[27]);
613 u[12] = _mm_add_epi32(v[12], v[28]);
614 u[13] = _mm_add_epi32(v[13], v[29]);
615 u[14] = _mm_add_epi32(v[14], v[30]);
616 u[15] = _mm_add_epi32(v[15], v[31]);
617 u[16] = _mm_sub_epi32(v[0], v[16]);
618 u[17] = _mm_sub_epi32(v[1], v[17]);
619 u[18] = _mm_sub_epi32(v[2], v[18]);
620 u[19] = _mm_sub_epi32(v[3], v[19]);
621 u[20] = _mm_sub_epi32(v[4], v[20]);
622 u[21] = _mm_sub_epi32(v[5], v[21]);
623 u[22] = _mm_sub_epi32(v[6], v[22]);
624 u[23] = _mm_sub_epi32(v[7], v[23]);
625 u[24] = _mm_sub_epi32(v[8], v[24]);
626 u[25] = _mm_sub_epi32(v[9], v[25]);
627 u[26] = _mm_sub_epi32(v[10], v[26]);
628 u[27] = _mm_sub_epi32(v[11], v[27]);
629 u[28] = _mm_sub_epi32(v[12], v[28]);
630 u[29] = _mm_sub_epi32(v[13], v[29]);
631 u[30] = _mm_sub_epi32(v[14], v[30]);
632 u[31] = _mm_sub_epi32(v[15], v[31]);
633
634 u[0] = dct_const_round_shift_sse2(u[0]);
635 u[1] = dct_const_round_shift_sse2(u[1]);
636 u[2] = dct_const_round_shift_sse2(u[2]);
637 u[3] = dct_const_round_shift_sse2(u[3]);
638 u[4] = dct_const_round_shift_sse2(u[4]);
639 u[5] = dct_const_round_shift_sse2(u[5]);
640 u[6] = dct_const_round_shift_sse2(u[6]);
641 u[7] = dct_const_round_shift_sse2(u[7]);
642 u[8] = dct_const_round_shift_sse2(u[8]);
643 u[9] = dct_const_round_shift_sse2(u[9]);
644 u[10] = dct_const_round_shift_sse2(u[10]);
645 u[11] = dct_const_round_shift_sse2(u[11]);
646 u[12] = dct_const_round_shift_sse2(u[12]);
647 u[13] = dct_const_round_shift_sse2(u[13]);
648 u[14] = dct_const_round_shift_sse2(u[14]);
649 u[15] = dct_const_round_shift_sse2(u[15]);
650 u[16] = dct_const_round_shift_sse2(u[16]);
651 u[17] = dct_const_round_shift_sse2(u[17]);
652 u[18] = dct_const_round_shift_sse2(u[18]);
653 u[19] = dct_const_round_shift_sse2(u[19]);
654 u[20] = dct_const_round_shift_sse2(u[20]);
655 u[21] = dct_const_round_shift_sse2(u[21]);
656 u[22] = dct_const_round_shift_sse2(u[22]);
657 u[23] = dct_const_round_shift_sse2(u[23]);
658 u[24] = dct_const_round_shift_sse2(u[24]);
659 u[25] = dct_const_round_shift_sse2(u[25]);
660 u[26] = dct_const_round_shift_sse2(u[26]);
661 u[27] = dct_const_round_shift_sse2(u[27]);
662 u[28] = dct_const_round_shift_sse2(u[28]);
663 u[29] = dct_const_round_shift_sse2(u[29]);
664 u[30] = dct_const_round_shift_sse2(u[30]);
665 u[31] = dct_const_round_shift_sse2(u[31]);
666
667 s[0] = _mm_packs_epi32(u[0], u[1]);
668 s[1] = _mm_packs_epi32(u[2], u[3]);
669 s[2] = _mm_packs_epi32(u[4], u[5]);
670 s[3] = _mm_packs_epi32(u[6], u[7]);
671 s[4] = _mm_packs_epi32(u[8], u[9]);
672 s[5] = _mm_packs_epi32(u[10], u[11]);
673 s[6] = _mm_packs_epi32(u[12], u[13]);
674 s[7] = _mm_packs_epi32(u[14], u[15]);
675 s[8] = _mm_packs_epi32(u[16], u[17]);
676 s[9] = _mm_packs_epi32(u[18], u[19]);
677 s[10] = _mm_packs_epi32(u[20], u[21]);
678 s[11] = _mm_packs_epi32(u[22], u[23]);
679 s[12] = _mm_packs_epi32(u[24], u[25]);
680 s[13] = _mm_packs_epi32(u[26], u[27]);
681 s[14] = _mm_packs_epi32(u[28], u[29]);
682 s[15] = _mm_packs_epi32(u[30], u[31]);
683
684 // stage 2
685 u[0] = _mm_unpacklo_epi16(s[8], s[9]);
686 u[1] = _mm_unpackhi_epi16(s[8], s[9]);
687 u[2] = _mm_unpacklo_epi16(s[10], s[11]);
688 u[3] = _mm_unpackhi_epi16(s[10], s[11]);
689 u[4] = _mm_unpacklo_epi16(s[12], s[13]);
690 u[5] = _mm_unpackhi_epi16(s[12], s[13]);
691 u[6] = _mm_unpacklo_epi16(s[14], s[15]);
692 u[7] = _mm_unpackhi_epi16(s[14], s[15]);
693
694 v[0] = _mm_madd_epi16(u[0], k__cospi_p04_p28);
695 v[1] = _mm_madd_epi16(u[1], k__cospi_p04_p28);
696 v[2] = _mm_madd_epi16(u[0], k__cospi_p28_m04);
697 v[3] = _mm_madd_epi16(u[1], k__cospi_p28_m04);
698 v[4] = _mm_madd_epi16(u[2], k__cospi_p20_p12);
699 v[5] = _mm_madd_epi16(u[3], k__cospi_p20_p12);
700 v[6] = _mm_madd_epi16(u[2], k__cospi_p12_m20);
701 v[7] = _mm_madd_epi16(u[3], k__cospi_p12_m20);
702 v[8] = _mm_madd_epi16(u[4], k__cospi_m28_p04);
703 v[9] = _mm_madd_epi16(u[5], k__cospi_m28_p04);
704 v[10] = _mm_madd_epi16(u[4], k__cospi_p04_p28);
705 v[11] = _mm_madd_epi16(u[5], k__cospi_p04_p28);
706 v[12] = _mm_madd_epi16(u[6], k__cospi_m12_p20);
707 v[13] = _mm_madd_epi16(u[7], k__cospi_m12_p20);
708 v[14] = _mm_madd_epi16(u[6], k__cospi_p20_p12);
709 v[15] = _mm_madd_epi16(u[7], k__cospi_p20_p12);
710
711 u[0] = _mm_add_epi32(v[0], v[8]);
712 u[1] = _mm_add_epi32(v[1], v[9]);
713 u[2] = _mm_add_epi32(v[2], v[10]);
714 u[3] = _mm_add_epi32(v[3], v[11]);
715 u[4] = _mm_add_epi32(v[4], v[12]);
716 u[5] = _mm_add_epi32(v[5], v[13]);
717 u[6] = _mm_add_epi32(v[6], v[14]);
718 u[7] = _mm_add_epi32(v[7], v[15]);
719 u[8] = _mm_sub_epi32(v[0], v[8]);
720 u[9] = _mm_sub_epi32(v[1], v[9]);
721 u[10] = _mm_sub_epi32(v[2], v[10]);
722 u[11] = _mm_sub_epi32(v[3], v[11]);
723 u[12] = _mm_sub_epi32(v[4], v[12]);
724 u[13] = _mm_sub_epi32(v[5], v[13]);
725 u[14] = _mm_sub_epi32(v[6], v[14]);
726 u[15] = _mm_sub_epi32(v[7], v[15]);
727
728 u[0] = dct_const_round_shift_sse2(u[0]);
729 u[1] = dct_const_round_shift_sse2(u[1]);
730 u[2] = dct_const_round_shift_sse2(u[2]);
731 u[3] = dct_const_round_shift_sse2(u[3]);
732 u[4] = dct_const_round_shift_sse2(u[4]);
733 u[5] = dct_const_round_shift_sse2(u[5]);
734 u[6] = dct_const_round_shift_sse2(u[6]);
735 u[7] = dct_const_round_shift_sse2(u[7]);
736 u[8] = dct_const_round_shift_sse2(u[8]);
737 u[9] = dct_const_round_shift_sse2(u[9]);
738 u[10] = dct_const_round_shift_sse2(u[10]);
739 u[11] = dct_const_round_shift_sse2(u[11]);
740 u[12] = dct_const_round_shift_sse2(u[12]);
741 u[13] = dct_const_round_shift_sse2(u[13]);
742 u[14] = dct_const_round_shift_sse2(u[14]);
743 u[15] = dct_const_round_shift_sse2(u[15]);
744
745 x[0] = _mm_add_epi16(s[0], s[4]);
746 x[1] = _mm_add_epi16(s[1], s[5]);
747 x[2] = _mm_add_epi16(s[2], s[6]);
748 x[3] = _mm_add_epi16(s[3], s[7]);
749 x[4] = _mm_sub_epi16(s[0], s[4]);
750 x[5] = _mm_sub_epi16(s[1], s[5]);
751 x[6] = _mm_sub_epi16(s[2], s[6]);
752 x[7] = _mm_sub_epi16(s[3], s[7]);
753 x[8] = _mm_packs_epi32(u[0], u[1]);
754 x[9] = _mm_packs_epi32(u[2], u[3]);
755 x[10] = _mm_packs_epi32(u[4], u[5]);
756 x[11] = _mm_packs_epi32(u[6], u[7]);
757 x[12] = _mm_packs_epi32(u[8], u[9]);
758 x[13] = _mm_packs_epi32(u[10], u[11]);
759 x[14] = _mm_packs_epi32(u[12], u[13]);
760 x[15] = _mm_packs_epi32(u[14], u[15]);
761
762 // stage 3
763 u[0] = _mm_unpacklo_epi16(x[4], x[5]);
764 u[1] = _mm_unpackhi_epi16(x[4], x[5]);
765 u[2] = _mm_unpacklo_epi16(x[6], x[7]);
766 u[3] = _mm_unpackhi_epi16(x[6], x[7]);
767 u[4] = _mm_unpacklo_epi16(x[12], x[13]);
768 u[5] = _mm_unpackhi_epi16(x[12], x[13]);
769 u[6] = _mm_unpacklo_epi16(x[14], x[15]);
770 u[7] = _mm_unpackhi_epi16(x[14], x[15]);
771
772 v[0] = _mm_madd_epi16(u[0], k__cospi_p08_p24);
773 v[1] = _mm_madd_epi16(u[1], k__cospi_p08_p24);
774 v[2] = _mm_madd_epi16(u[0], k__cospi_p24_m08);
775 v[3] = _mm_madd_epi16(u[1], k__cospi_p24_m08);
776 v[4] = _mm_madd_epi16(u[2], k__cospi_m24_p08);
777 v[5] = _mm_madd_epi16(u[3], k__cospi_m24_p08);
778 v[6] = _mm_madd_epi16(u[2], k__cospi_p08_p24);
779 v[7] = _mm_madd_epi16(u[3], k__cospi_p08_p24);
780 v[8] = _mm_madd_epi16(u[4], k__cospi_p08_p24);
781 v[9] = _mm_madd_epi16(u[5], k__cospi_p08_p24);
782 v[10] = _mm_madd_epi16(u[4], k__cospi_p24_m08);
783 v[11] = _mm_madd_epi16(u[5], k__cospi_p24_m08);
784 v[12] = _mm_madd_epi16(u[6], k__cospi_m24_p08);
785 v[13] = _mm_madd_epi16(u[7], k__cospi_m24_p08);
786 v[14] = _mm_madd_epi16(u[6], k__cospi_p08_p24);
787 v[15] = _mm_madd_epi16(u[7], k__cospi_p08_p24);
788
789 u[0] = _mm_add_epi32(v[0], v[4]);
790 u[1] = _mm_add_epi32(v[1], v[5]);
791 u[2] = _mm_add_epi32(v[2], v[6]);
792 u[3] = _mm_add_epi32(v[3], v[7]);
793 u[4] = _mm_sub_epi32(v[0], v[4]);
794 u[5] = _mm_sub_epi32(v[1], v[5]);
795 u[6] = _mm_sub_epi32(v[2], v[6]);
796 u[7] = _mm_sub_epi32(v[3], v[7]);
797 u[8] = _mm_add_epi32(v[8], v[12]);
798 u[9] = _mm_add_epi32(v[9], v[13]);
799 u[10] = _mm_add_epi32(v[10], v[14]);
800 u[11] = _mm_add_epi32(v[11], v[15]);
801 u[12] = _mm_sub_epi32(v[8], v[12]);
802 u[13] = _mm_sub_epi32(v[9], v[13]);
803 u[14] = _mm_sub_epi32(v[10], v[14]);
804 u[15] = _mm_sub_epi32(v[11], v[15]);
805
806 v[0] = dct_const_round_shift_sse2(u[0]);
807 v[1] = dct_const_round_shift_sse2(u[1]);
808 v[2] = dct_const_round_shift_sse2(u[2]);
809 v[3] = dct_const_round_shift_sse2(u[3]);
810 v[4] = dct_const_round_shift_sse2(u[4]);
811 v[5] = dct_const_round_shift_sse2(u[5]);
812 v[6] = dct_const_round_shift_sse2(u[6]);
813 v[7] = dct_const_round_shift_sse2(u[7]);
814 v[8] = dct_const_round_shift_sse2(u[8]);
815 v[9] = dct_const_round_shift_sse2(u[9]);
816 v[10] = dct_const_round_shift_sse2(u[10]);
817 v[11] = dct_const_round_shift_sse2(u[11]);
818 v[12] = dct_const_round_shift_sse2(u[12]);
819 v[13] = dct_const_round_shift_sse2(u[13]);
820 v[14] = dct_const_round_shift_sse2(u[14]);
821 v[15] = dct_const_round_shift_sse2(u[15]);
822
823 s[0] = _mm_add_epi16(x[0], x[2]);
824 s[1] = _mm_add_epi16(x[1], x[3]);
825 s[2] = _mm_sub_epi16(x[0], x[2]);
826 s[3] = _mm_sub_epi16(x[1], x[3]);
827 s[4] = _mm_packs_epi32(v[0], v[1]);
828 s[5] = _mm_packs_epi32(v[2], v[3]);
829 s[6] = _mm_packs_epi32(v[4], v[5]);
830 s[7] = _mm_packs_epi32(v[6], v[7]);
831 s[8] = _mm_add_epi16(x[8], x[10]);
832 s[9] = _mm_add_epi16(x[9], x[11]);
833 s[10] = _mm_sub_epi16(x[8], x[10]);
834 s[11] = _mm_sub_epi16(x[9], x[11]);
835 s[12] = _mm_packs_epi32(v[8], v[9]);
836 s[13] = _mm_packs_epi32(v[10], v[11]);
837 s[14] = _mm_packs_epi32(v[12], v[13]);
838 s[15] = _mm_packs_epi32(v[14], v[15]);
839
840 // stage 4
841 u[0] = _mm_unpacklo_epi16(s[2], s[3]);
842 u[1] = _mm_unpackhi_epi16(s[2], s[3]);
843 u[2] = _mm_unpacklo_epi16(s[6], s[7]);
844 u[3] = _mm_unpackhi_epi16(s[6], s[7]);
845 u[4] = _mm_unpacklo_epi16(s[10], s[11]);
846 u[5] = _mm_unpackhi_epi16(s[10], s[11]);
847 u[6] = _mm_unpacklo_epi16(s[14], s[15]);
848 u[7] = _mm_unpackhi_epi16(s[14], s[15]);
849
850 in[7] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_m16_m16);
851 in[8] = idct_calc_wraplow_sse2(u[0], u[1], k__cospi_p16_m16);
852 in[4] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_p16_p16);
853 in[11] = idct_calc_wraplow_sse2(u[2], u[3], k__cospi_m16_p16);
854 in[6] = idct_calc_wraplow_sse2(u[4], u[5], k__cospi_p16_p16);
855 in[9] = idct_calc_wraplow_sse2(u[4], u[5], k__cospi_m16_p16);
856 in[5] = idct_calc_wraplow_sse2(u[6], u[7], k__cospi_m16_m16);
857 in[10] = idct_calc_wraplow_sse2(u[6], u[7], k__cospi_p16_m16);
858
859 in[0] = s[0];
860 in[1] = _mm_sub_epi16(kZero, s[8]);
861 in[2] = s[12];
862 in[3] = _mm_sub_epi16(kZero, s[4]);
863 in[12] = s[5];
864 in[13] = _mm_sub_epi16(kZero, s[13]);
865 in[14] = s[9];
866 in[15] = _mm_sub_epi16(kZero, s[1]);
867 }
868
idct16_sse2(__m128i * const in0,__m128i * const in1)869 void idct16_sse2(__m128i *const in0, __m128i *const in1) {
870 transpose_16bit_16x16(in0, in1);
871 idct16_8col(in0, in0);
872 idct16_8col(in1, in1);
873 }
874
iadst16_sse2(__m128i * const in0,__m128i * const in1)875 void iadst16_sse2(__m128i *const in0, __m128i *const in1) {
876 transpose_16bit_16x16(in0, in1);
877 vpx_iadst16_8col_sse2(in0);
878 vpx_iadst16_8col_sse2(in1);
879 }
880
881 // Group the coefficient calculation into smaller functions to prevent stack
882 // spillover in 32x32 idct optimizations:
883 // quarter_1: 0-7
884 // quarter_2: 8-15
885 // quarter_3_4: 16-23, 24-31
886
887 // For each 8x32 block __m128i in[32],
888 // Input with index, 0, 4
889 // output pixels: 0-7 in __m128i out[32]
idct32_34_8x32_quarter_1(const __m128i * const in,__m128i * const out)890 static INLINE void idct32_34_8x32_quarter_1(const __m128i *const in /*in[32]*/,
891 __m128i *const out /*out[8]*/) {
892 const __m128i zero = _mm_setzero_si128();
893 __m128i step1[8], step2[8];
894
895 // stage 3
896 butterfly(in[4], zero, cospi_28_64, cospi_4_64, &step1[4], &step1[7]);
897
898 // stage 4
899 step2[0] = butterfly_cospi16(in[0]);
900 step2[4] = step1[4];
901 step2[5] = step1[4];
902 step2[6] = step1[7];
903 step2[7] = step1[7];
904
905 // stage 5
906 step1[0] = step2[0];
907 step1[1] = step2[0];
908 step1[2] = step2[0];
909 step1[3] = step2[0];
910 step1[4] = step2[4];
911 butterfly(step2[6], step2[5], cospi_16_64, cospi_16_64, &step1[5], &step1[6]);
912 step1[7] = step2[7];
913
914 // stage 6
915 out[0] = _mm_add_epi16(step1[0], step1[7]);
916 out[1] = _mm_add_epi16(step1[1], step1[6]);
917 out[2] = _mm_add_epi16(step1[2], step1[5]);
918 out[3] = _mm_add_epi16(step1[3], step1[4]);
919 out[4] = _mm_sub_epi16(step1[3], step1[4]);
920 out[5] = _mm_sub_epi16(step1[2], step1[5]);
921 out[6] = _mm_sub_epi16(step1[1], step1[6]);
922 out[7] = _mm_sub_epi16(step1[0], step1[7]);
923 }
924
925 // For each 8x32 block __m128i in[32],
926 // Input with index, 2, 6
927 // output pixels: 8-15 in __m128i out[32]
idct32_34_8x32_quarter_2(const __m128i * const in,__m128i * const out)928 static INLINE void idct32_34_8x32_quarter_2(const __m128i *const in /*in[32]*/,
929 __m128i *const out /*out[16]*/) {
930 const __m128i zero = _mm_setzero_si128();
931 __m128i step1[16], step2[16];
932
933 // stage 2
934 butterfly(in[2], zero, cospi_30_64, cospi_2_64, &step2[8], &step2[15]);
935 butterfly(zero, in[6], cospi_6_64, cospi_26_64, &step2[11], &step2[12]);
936
937 // stage 3
938 step1[8] = step2[8];
939 step1[9] = step2[8];
940 step1[14] = step2[15];
941 step1[15] = step2[15];
942 step1[10] = step2[11];
943 step1[11] = step2[11];
944 step1[12] = step2[12];
945 step1[13] = step2[12];
946
947 idct32_8x32_quarter_2_stage_4_to_6(step1, out);
948 }
949
idct32_34_8x32_quarter_1_2(const __m128i * const in,__m128i * const out)950 static INLINE void idct32_34_8x32_quarter_1_2(
951 const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) {
952 __m128i temp[16];
953 idct32_34_8x32_quarter_1(in, temp);
954 idct32_34_8x32_quarter_2(in, temp);
955 // stage 7
956 add_sub_butterfly(temp, out, 16);
957 }
958
959 // For each 8x32 block __m128i in[32],
960 // Input with odd index, 1, 3, 5, 7
961 // output pixels: 16-23, 24-31 in __m128i out[32]
idct32_34_8x32_quarter_3_4(const __m128i * const in,__m128i * const out)962 static INLINE void idct32_34_8x32_quarter_3_4(
963 const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) {
964 const __m128i zero = _mm_setzero_si128();
965 __m128i step1[32];
966
967 // stage 1
968 butterfly(in[1], zero, cospi_31_64, cospi_1_64, &step1[16], &step1[31]);
969 butterfly(zero, in[7], cospi_7_64, cospi_25_64, &step1[19], &step1[28]);
970 butterfly(in[5], zero, cospi_27_64, cospi_5_64, &step1[20], &step1[27]);
971 butterfly(zero, in[3], cospi_3_64, cospi_29_64, &step1[23], &step1[24]);
972
973 // stage 3
974 butterfly(step1[31], step1[16], cospi_28_64, cospi_4_64, &step1[17],
975 &step1[30]);
976 butterfly(step1[28], step1[19], -cospi_4_64, cospi_28_64, &step1[18],
977 &step1[29]);
978 butterfly(step1[27], step1[20], cospi_12_64, cospi_20_64, &step1[21],
979 &step1[26]);
980 butterfly(step1[24], step1[23], -cospi_20_64, cospi_12_64, &step1[22],
981 &step1[25]);
982
983 idct32_8x32_quarter_3_4_stage_4_to_7(step1, out);
984 }
985
idct32_34_8x32_sse2(const __m128i * const in,__m128i * const out)986 void idct32_34_8x32_sse2(const __m128i *const in /*in[32]*/,
987 __m128i *const out /*out[32]*/) {
988 __m128i temp[32];
989
990 idct32_34_8x32_quarter_1_2(in, temp);
991 idct32_34_8x32_quarter_3_4(in, temp);
992 // final stage
993 add_sub_butterfly(temp, out, 32);
994 }
995
996 // Only upper-left 8x8 has non-zero coeff
vpx_idct32x32_34_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)997 void vpx_idct32x32_34_add_sse2(const tran_low_t *input, uint8_t *dest,
998 int stride) {
999 __m128i io[32], col[32];
1000 int i;
1001
1002 // Load input data. Only need to load the top left 8x8 block.
1003 load_transpose_16bit_8x8(input, 32, io);
1004 idct32_34_8x32_sse2(io, col);
1005
1006 for (i = 0; i < 32; i += 8) {
1007 int j;
1008 transpose_16bit_8x8(col + i, io);
1009 idct32_34_8x32_sse2(io, io);
1010
1011 for (j = 0; j < 32; ++j) {
1012 write_buffer_8x1(dest + j * stride, io[j]);
1013 }
1014
1015 dest += 8;
1016 }
1017 }
1018
1019 // For each 8x32 block __m128i in[32],
1020 // Input with index, 0, 4, 8, 12, 16, 20, 24, 28
1021 // output pixels: 0-7 in __m128i out[32]
idct32_1024_8x32_quarter_1(const __m128i * const in,__m128i * const out)1022 static INLINE void idct32_1024_8x32_quarter_1(
1023 const __m128i *const in /*in[32]*/, __m128i *const out /*out[8]*/) {
1024 __m128i step1[8], step2[8];
1025
1026 // stage 3
1027 butterfly(in[4], in[28], cospi_28_64, cospi_4_64, &step1[4], &step1[7]);
1028 butterfly(in[20], in[12], cospi_12_64, cospi_20_64, &step1[5], &step1[6]);
1029
1030 // stage 4
1031 butterfly(in[0], in[16], cospi_16_64, cospi_16_64, &step2[1], &step2[0]);
1032 butterfly(in[8], in[24], cospi_24_64, cospi_8_64, &step2[2], &step2[3]);
1033 step2[4] = _mm_add_epi16(step1[4], step1[5]);
1034 step2[5] = _mm_sub_epi16(step1[4], step1[5]);
1035 step2[6] = _mm_sub_epi16(step1[7], step1[6]);
1036 step2[7] = _mm_add_epi16(step1[7], step1[6]);
1037
1038 // stage 5
1039 step1[0] = _mm_add_epi16(step2[0], step2[3]);
1040 step1[1] = _mm_add_epi16(step2[1], step2[2]);
1041 step1[2] = _mm_sub_epi16(step2[1], step2[2]);
1042 step1[3] = _mm_sub_epi16(step2[0], step2[3]);
1043 step1[4] = step2[4];
1044 butterfly(step2[6], step2[5], cospi_16_64, cospi_16_64, &step1[5], &step1[6]);
1045 step1[7] = step2[7];
1046
1047 // stage 6
1048 out[0] = _mm_add_epi16(step1[0], step1[7]);
1049 out[1] = _mm_add_epi16(step1[1], step1[6]);
1050 out[2] = _mm_add_epi16(step1[2], step1[5]);
1051 out[3] = _mm_add_epi16(step1[3], step1[4]);
1052 out[4] = _mm_sub_epi16(step1[3], step1[4]);
1053 out[5] = _mm_sub_epi16(step1[2], step1[5]);
1054 out[6] = _mm_sub_epi16(step1[1], step1[6]);
1055 out[7] = _mm_sub_epi16(step1[0], step1[7]);
1056 }
1057
1058 // For each 8x32 block __m128i in[32],
1059 // Input with index, 2, 6, 10, 14, 18, 22, 26, 30
1060 // output pixels: 8-15 in __m128i out[32]
idct32_1024_8x32_quarter_2(const __m128i * const in,__m128i * const out)1061 static INLINE void idct32_1024_8x32_quarter_2(
1062 const __m128i *const in /*in[32]*/, __m128i *const out /*out[16]*/) {
1063 __m128i step1[16], step2[16];
1064
1065 // stage 2
1066 butterfly(in[2], in[30], cospi_30_64, cospi_2_64, &step2[8], &step2[15]);
1067 butterfly(in[18], in[14], cospi_14_64, cospi_18_64, &step2[9], &step2[14]);
1068 butterfly(in[10], in[22], cospi_22_64, cospi_10_64, &step2[10], &step2[13]);
1069 butterfly(in[26], in[6], cospi_6_64, cospi_26_64, &step2[11], &step2[12]);
1070
1071 // stage 3
1072 step1[8] = _mm_add_epi16(step2[8], step2[9]);
1073 step1[9] = _mm_sub_epi16(step2[8], step2[9]);
1074 step1[10] = _mm_sub_epi16(step2[11], step2[10]);
1075 step1[11] = _mm_add_epi16(step2[11], step2[10]);
1076 step1[12] = _mm_add_epi16(step2[12], step2[13]);
1077 step1[13] = _mm_sub_epi16(step2[12], step2[13]);
1078 step1[14] = _mm_sub_epi16(step2[15], step2[14]);
1079 step1[15] = _mm_add_epi16(step2[15], step2[14]);
1080
1081 idct32_8x32_quarter_2_stage_4_to_6(step1, out);
1082 }
1083
idct32_1024_8x32_quarter_1_2(const __m128i * const in,__m128i * const out)1084 static INLINE void idct32_1024_8x32_quarter_1_2(
1085 const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) {
1086 __m128i temp[16];
1087 idct32_1024_8x32_quarter_1(in, temp);
1088 idct32_1024_8x32_quarter_2(in, temp);
1089 // stage 7
1090 add_sub_butterfly(temp, out, 16);
1091 }
1092
1093 // For each 8x32 block __m128i in[32],
1094 // Input with odd index,
1095 // 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31
1096 // output pixels: 16-23, 24-31 in __m128i out[32]
idct32_1024_8x32_quarter_3_4(const __m128i * const in,__m128i * const out)1097 static INLINE void idct32_1024_8x32_quarter_3_4(
1098 const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) {
1099 __m128i step1[32], step2[32];
1100
1101 // stage 1
1102 butterfly(in[1], in[31], cospi_31_64, cospi_1_64, &step1[16], &step1[31]);
1103 butterfly(in[17], in[15], cospi_15_64, cospi_17_64, &step1[17], &step1[30]);
1104 butterfly(in[9], in[23], cospi_23_64, cospi_9_64, &step1[18], &step1[29]);
1105 butterfly(in[25], in[7], cospi_7_64, cospi_25_64, &step1[19], &step1[28]);
1106
1107 butterfly(in[5], in[27], cospi_27_64, cospi_5_64, &step1[20], &step1[27]);
1108 butterfly(in[21], in[11], cospi_11_64, cospi_21_64, &step1[21], &step1[26]);
1109
1110 butterfly(in[13], in[19], cospi_19_64, cospi_13_64, &step1[22], &step1[25]);
1111 butterfly(in[29], in[3], cospi_3_64, cospi_29_64, &step1[23], &step1[24]);
1112
1113 // stage 2
1114 step2[16] = _mm_add_epi16(step1[16], step1[17]);
1115 step2[17] = _mm_sub_epi16(step1[16], step1[17]);
1116 step2[18] = _mm_sub_epi16(step1[19], step1[18]);
1117 step2[19] = _mm_add_epi16(step1[19], step1[18]);
1118 step2[20] = _mm_add_epi16(step1[20], step1[21]);
1119 step2[21] = _mm_sub_epi16(step1[20], step1[21]);
1120 step2[22] = _mm_sub_epi16(step1[23], step1[22]);
1121 step2[23] = _mm_add_epi16(step1[23], step1[22]);
1122
1123 step2[24] = _mm_add_epi16(step1[24], step1[25]);
1124 step2[25] = _mm_sub_epi16(step1[24], step1[25]);
1125 step2[26] = _mm_sub_epi16(step1[27], step1[26]);
1126 step2[27] = _mm_add_epi16(step1[27], step1[26]);
1127 step2[28] = _mm_add_epi16(step1[28], step1[29]);
1128 step2[29] = _mm_sub_epi16(step1[28], step1[29]);
1129 step2[30] = _mm_sub_epi16(step1[31], step1[30]);
1130 step2[31] = _mm_add_epi16(step1[31], step1[30]);
1131
1132 // stage 3
1133 step1[16] = step2[16];
1134 step1[31] = step2[31];
1135 butterfly(step2[30], step2[17], cospi_28_64, cospi_4_64, &step1[17],
1136 &step1[30]);
1137 butterfly(step2[29], step2[18], -cospi_4_64, cospi_28_64, &step1[18],
1138 &step1[29]);
1139 step1[19] = step2[19];
1140 step1[20] = step2[20];
1141 butterfly(step2[26], step2[21], cospi_12_64, cospi_20_64, &step1[21],
1142 &step1[26]);
1143 butterfly(step2[25], step2[22], -cospi_20_64, cospi_12_64, &step1[22],
1144 &step1[25]);
1145 step1[23] = step2[23];
1146 step1[24] = step2[24];
1147 step1[27] = step2[27];
1148 step1[28] = step2[28];
1149
1150 idct32_8x32_quarter_3_4_stage_4_to_7(step1, out);
1151 }
1152
idct32_1024_8x32(const __m128i * const in,__m128i * const out)1153 void idct32_1024_8x32(const __m128i *const in /*in[32]*/,
1154 __m128i *const out /*out[32]*/) {
1155 __m128i temp[32];
1156
1157 idct32_1024_8x32_quarter_1_2(in, temp);
1158 idct32_1024_8x32_quarter_3_4(in, temp);
1159 // final stage
1160 add_sub_butterfly(temp, out, 32);
1161 }
1162
vpx_idct32x32_1024_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)1163 void vpx_idct32x32_1024_add_sse2(const tran_low_t *input, uint8_t *dest,
1164 int stride) {
1165 __m128i col[4][32], io[32];
1166 int i;
1167
1168 // rows
1169 for (i = 0; i < 4; i++) {
1170 load_transpose_16bit_8x8(&input[0], 32, &io[0]);
1171 load_transpose_16bit_8x8(&input[8], 32, &io[8]);
1172 load_transpose_16bit_8x8(&input[16], 32, &io[16]);
1173 load_transpose_16bit_8x8(&input[24], 32, &io[24]);
1174 idct32_1024_8x32(io, col[i]);
1175 input += 32 << 3;
1176 }
1177
1178 // columns
1179 for (i = 0; i < 32; i += 8) {
1180 // Transpose 32x8 block to 8x32 block
1181 transpose_16bit_8x8(col[0] + i, io);
1182 transpose_16bit_8x8(col[1] + i, io + 8);
1183 transpose_16bit_8x8(col[2] + i, io + 16);
1184 transpose_16bit_8x8(col[3] + i, io + 24);
1185
1186 idct32_1024_8x32(io, io);
1187 store_buffer_8x32(io, dest, stride);
1188 dest += 8;
1189 }
1190 }
1191
vpx_idct32x32_135_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)1192 void vpx_idct32x32_135_add_sse2(const tran_low_t *input, uint8_t *dest,
1193 int stride) {
1194 __m128i col[2][32], in[32], out[32];
1195 int i;
1196
1197 for (i = 16; i < 32; i++) {
1198 in[i] = _mm_setzero_si128();
1199 }
1200
1201 // rows
1202 for (i = 0; i < 2; i++) {
1203 load_transpose_16bit_8x8(&input[0], 32, &in[0]);
1204 load_transpose_16bit_8x8(&input[8], 32, &in[8]);
1205 idct32_1024_8x32(in, col[i]);
1206 input += 32 << 3;
1207 }
1208
1209 // columns
1210 for (i = 0; i < 32; i += 8) {
1211 transpose_16bit_8x8(col[0] + i, in);
1212 transpose_16bit_8x8(col[1] + i, in + 8);
1213 idct32_1024_8x32(in, out);
1214 store_buffer_8x32(out, dest, stride);
1215 dest += 8;
1216 }
1217 }
1218
vpx_idct32x32_1_add_sse2(const tran_low_t * input,uint8_t * dest,int stride)1219 void vpx_idct32x32_1_add_sse2(const tran_low_t *input, uint8_t *dest,
1220 int stride) {
1221 __m128i dc_value;
1222 int j;
1223 tran_high_t a1;
1224 tran_low_t out =
1225 WRAPLOW(dct_const_round_shift((int16_t)input[0] * cospi_16_64));
1226
1227 out = WRAPLOW(dct_const_round_shift(out * cospi_16_64));
1228 a1 = ROUND_POWER_OF_TWO(out, 6);
1229 dc_value = _mm_set1_epi16((int16_t)a1);
1230
1231 for (j = 0; j < 32; ++j) {
1232 recon_and_store_16(dest + j * stride + 0, dc_value);
1233 recon_and_store_16(dest + j * stride + 16, dc_value);
1234 }
1235 }
1236