FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/x86/snowdsp.c
Date: 2024-04-19 07:31:02
Exec Total Coverage
Lines: 54 148 36.5%
Functions: 3 11 27.3%
Branches: 16 54 29.6%

Line Branch Exec Source
1 /*
2 * MMX and SSE2 optimized snow DSP utils
3 * Copyright (c) 2005-2006 Robert Edele <yartrebo@earthlink.net>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include <stdint.h>
23 #include "config.h"
24 #include "libavutil/attributes.h"
25 #include "libavutil/cpu.h"
26 #include "libavutil/x86/asm.h"
27 #include "libavcodec/snow_dwt.h"
28
29 #if HAVE_INLINE_ASM
30
31 static void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, IDWTELEM *temp, int width){
32 const int w2= (width+1)>>1;
33 const int w_l= (width>>1);
34 const int w_r= w2 - 1;
35 int i;
36
37 { // Lift 0
38 IDWTELEM * const ref = b + w2 - 1;
39 IDWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice
40 // (the first time erroneously), we allow the SSE2 code to run an extra pass.
41 // The savings in code and time are well worth having to store this value and
42 // calculate b[0] correctly afterwards.
43
44 i = 0;
45 __asm__ volatile(
46 "pcmpeqd %%xmm7, %%xmm7 \n\t"
47 "pcmpeqd %%xmm3, %%xmm3 \n\t"
48 "psllw $1, %%xmm3 \n\t"
49 "paddw %%xmm7, %%xmm3 \n\t"
50 "psllw $13, %%xmm3 \n\t"
51 ::);
52 for(; i<w_l-15; i+=16){
53 __asm__ volatile(
54 "movdqu (%1), %%xmm1 \n\t"
55 "movdqu 16(%1), %%xmm5 \n\t"
56 "movdqu 2(%1), %%xmm2 \n\t"
57 "movdqu 18(%1), %%xmm6 \n\t"
58 "paddw %%xmm1, %%xmm2 \n\t"
59 "paddw %%xmm5, %%xmm6 \n\t"
60 "paddw %%xmm7, %%xmm2 \n\t"
61 "paddw %%xmm7, %%xmm6 \n\t"
62 "pmulhw %%xmm3, %%xmm2 \n\t"
63 "pmulhw %%xmm3, %%xmm6 \n\t"
64 "paddw (%0), %%xmm2 \n\t"
65 "paddw 16(%0), %%xmm6 \n\t"
66 "movdqa %%xmm2, (%0) \n\t"
67 "movdqa %%xmm6, 16(%0) \n\t"
68 :: "r"(&b[i]), "r"(&ref[i])
69 : "memory"
70 );
71 }
72 snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);
73 b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
74 }
75
76 { // Lift 1
77 IDWTELEM * const dst = b+w2;
78
79 i = 0;
80 for(; (((x86_reg)&dst[i]) & 0x1F) && i<w_r; i++){
81 dst[i] = dst[i] - (b[i] + b[i + 1]);
82 }
83 for(; i<w_r-15; i+=16){
84 __asm__ volatile(
85 "movdqu (%1), %%xmm1 \n\t"
86 "movdqu 16(%1), %%xmm5 \n\t"
87 "movdqu 2(%1), %%xmm2 \n\t"
88 "movdqu 18(%1), %%xmm6 \n\t"
89 "paddw %%xmm1, %%xmm2 \n\t"
90 "paddw %%xmm5, %%xmm6 \n\t"
91 "movdqa (%0), %%xmm0 \n\t"
92 "movdqa 16(%0), %%xmm4 \n\t"
93 "psubw %%xmm2, %%xmm0 \n\t"
94 "psubw %%xmm6, %%xmm4 \n\t"
95 "movdqa %%xmm0, (%0) \n\t"
96 "movdqa %%xmm4, 16(%0) \n\t"
97 :: "r"(&dst[i]), "r"(&b[i])
98 : "memory"
99 );
100 }
101 snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
102 }
103
104 { // Lift 2
105 IDWTELEM * const ref = b+w2 - 1;
106 IDWTELEM b_0 = b[0];
107
108 i = 0;
109 __asm__ volatile(
110 "psllw $15, %%xmm7 \n\t"
111 "pcmpeqw %%xmm6, %%xmm6 \n\t"
112 "psrlw $13, %%xmm6 \n\t"
113 "paddw %%xmm7, %%xmm6 \n\t"
114 ::);
115 for(; i<w_l-15; i+=16){
116 __asm__ volatile(
117 "movdqu (%1), %%xmm0 \n\t"
118 "movdqu 16(%1), %%xmm4 \n\t"
119 "movdqu 2(%1), %%xmm1 \n\t"
120 "movdqu 18(%1), %%xmm5 \n\t" //FIXME try aligned reads and shifts
121 "paddw %%xmm6, %%xmm0 \n\t"
122 "paddw %%xmm6, %%xmm4 \n\t"
123 "paddw %%xmm7, %%xmm1 \n\t"
124 "paddw %%xmm7, %%xmm5 \n\t"
125 "pavgw %%xmm1, %%xmm0 \n\t"
126 "pavgw %%xmm5, %%xmm4 \n\t"
127 "psubw %%xmm7, %%xmm0 \n\t"
128 "psubw %%xmm7, %%xmm4 \n\t"
129 "psraw $1, %%xmm0 \n\t"
130 "psraw $1, %%xmm4 \n\t"
131 "movdqa (%0), %%xmm1 \n\t"
132 "movdqa 16(%0), %%xmm5 \n\t"
133 "paddw %%xmm1, %%xmm0 \n\t"
134 "paddw %%xmm5, %%xmm4 \n\t"
135 "psraw $2, %%xmm0 \n\t"
136 "psraw $2, %%xmm4 \n\t"
137 "paddw %%xmm1, %%xmm0 \n\t"
138 "paddw %%xmm5, %%xmm4 \n\t"
139 "movdqa %%xmm0, (%0) \n\t"
140 "movdqa %%xmm4, 16(%0) \n\t"
141 :: "r"(&b[i]), "r"(&ref[i])
142 : "memory"
143 );
144 }
145 snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
146 b[0] = b_0 + ((2 * ref[1] + W_BO-1 + 4 * b_0) >> W_BS);
147 }
148
149 { // Lift 3
150 IDWTELEM * const src = b+w2;
151
152 i = 0;
153 for(; (((x86_reg)&temp[i]) & 0x1F) && i<w_r; i++){
154 temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS);
155 }
156 for(; i<w_r-7; i+=8){
157 __asm__ volatile(
158 "movdqu 2(%1), %%xmm2 \n\t"
159 "movdqu 18(%1), %%xmm6 \n\t"
160 "paddw (%1), %%xmm2 \n\t"
161 "paddw 16(%1), %%xmm6 \n\t"
162 "movdqu (%0), %%xmm0 \n\t"
163 "movdqu 16(%0), %%xmm4 \n\t"
164 "paddw %%xmm2, %%xmm0 \n\t"
165 "paddw %%xmm6, %%xmm4 \n\t"
166 "psraw $1, %%xmm2 \n\t"
167 "psraw $1, %%xmm6 \n\t"
168 "paddw %%xmm0, %%xmm2 \n\t"
169 "paddw %%xmm4, %%xmm6 \n\t"
170 "movdqa %%xmm2, (%2) \n\t"
171 "movdqa %%xmm6, 16(%2) \n\t"
172 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
173 : "memory"
174 );
175 }
176 snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS);
177 }
178
179 {
180 snow_interleave_line_header(&i, width, b, temp);
181
182 for (; (i & 0x3E) != 0x3E; i-=2){
183 b[i+1] = temp[i>>1];
184 b[i] = b[i>>1];
185 }
186 for (i-=62; i>=0; i-=64){
187 __asm__ volatile(
188 "movdqa (%1), %%xmm0 \n\t"
189 "movdqa 16(%1), %%xmm2 \n\t"
190 "movdqa 32(%1), %%xmm4 \n\t"
191 "movdqa 48(%1), %%xmm6 \n\t"
192 "movdqa (%1), %%xmm1 \n\t"
193 "movdqa 16(%1), %%xmm3 \n\t"
194 "movdqa 32(%1), %%xmm5 \n\t"
195 "movdqa 48(%1), %%xmm7 \n\t"
196 "punpcklwd (%2), %%xmm0 \n\t"
197 "punpcklwd 16(%2), %%xmm2 \n\t"
198 "punpcklwd 32(%2), %%xmm4 \n\t"
199 "punpcklwd 48(%2), %%xmm6 \n\t"
200 "movdqa %%xmm0, (%0) \n\t"
201 "movdqa %%xmm2, 32(%0) \n\t"
202 "movdqa %%xmm4, 64(%0) \n\t"
203 "movdqa %%xmm6, 96(%0) \n\t"
204 "punpckhwd (%2), %%xmm1 \n\t"
205 "punpckhwd 16(%2), %%xmm3 \n\t"
206 "punpckhwd 32(%2), %%xmm5 \n\t"
207 "punpckhwd 48(%2), %%xmm7 \n\t"
208 "movdqa %%xmm1, 16(%0) \n\t"
209 "movdqa %%xmm3, 48(%0) \n\t"
210 "movdqa %%xmm5, 80(%0) \n\t"
211 "movdqa %%xmm7, 112(%0) \n\t"
212 :: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1])
213 : "memory"
214 );
215 }
216 }
217 }
218
219 248 static void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, IDWTELEM *temp, int width){
220 248 const int w2= (width+1)>>1;
221 248 const int w_l= (width>>1);
222 248 const int w_r= w2 - 1;
223 int i;
224
225 { // Lift 0
226 248 IDWTELEM * const ref = b + w2 - 1;
227
228 248 i = 1;
229 248 b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
230 248 __asm__ volatile(
231 "pcmpeqw %%mm7, %%mm7 \n\t"
232 "pcmpeqw %%mm3, %%mm3 \n\t"
233 "psllw $1, %%mm3 \n\t"
234 "paddw %%mm7, %%mm3 \n\t"
235 "psllw $13, %%mm3 \n\t"
236 ::);
237
2/2
✓ Branch 0 taken 784 times.
✓ Branch 1 taken 248 times.
1032 for(; i<w_l-7; i+=8){
238 784 __asm__ volatile(
239 "movq (%1), %%mm2 \n\t"
240 "movq 8(%1), %%mm6 \n\t"
241 "paddw 2(%1), %%mm2 \n\t"
242 "paddw 10(%1), %%mm6 \n\t"
243 "paddw %%mm7, %%mm2 \n\t"
244 "paddw %%mm7, %%mm6 \n\t"
245 "pmulhw %%mm3, %%mm2 \n\t"
246 "pmulhw %%mm3, %%mm6 \n\t"
247 "paddw (%0), %%mm2 \n\t"
248 "paddw 8(%0), %%mm6 \n\t"
249 "movq %%mm2, (%0) \n\t"
250 "movq %%mm6, 8(%0) \n\t"
251 784 :: "r"(&b[i]), "r"(&ref[i])
252 : "memory"
253 );
254 }
255 248 snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);
256 }
257
258 { // Lift 1
259 248 IDWTELEM * const dst = b+w2;
260
261 248 i = 0;
262
2/2
✓ Branch 0 taken 784 times.
✓ Branch 1 taken 248 times.
1032 for(; i<w_r-7; i+=8){
263 784 __asm__ volatile(
264 "movq (%1), %%mm2 \n\t"
265 "movq 8(%1), %%mm6 \n\t"
266 "paddw 2(%1), %%mm2 \n\t"
267 "paddw 10(%1), %%mm6 \n\t"
268 "movq (%0), %%mm0 \n\t"
269 "movq 8(%0), %%mm4 \n\t"
270 "psubw %%mm2, %%mm0 \n\t"
271 "psubw %%mm6, %%mm4 \n\t"
272 "movq %%mm0, (%0) \n\t"
273 "movq %%mm4, 8(%0) \n\t"
274 784 :: "r"(&dst[i]), "r"(&b[i])
275 : "memory"
276 );
277 }
278 248 snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
279 }
280
281 { // Lift 2
282 248 IDWTELEM * const ref = b+w2 - 1;
283
284 248 i = 1;
285 248 b[0] = b[0] + (((2 * ref[1] + W_BO) + 4 * b[0]) >> W_BS);
286 248 __asm__ volatile(
287 "psllw $15, %%mm7 \n\t"
288 "pcmpeqw %%mm6, %%mm6 \n\t"
289 "psrlw $13, %%mm6 \n\t"
290 "paddw %%mm7, %%mm6 \n\t"
291 ::);
292
2/2
✓ Branch 0 taken 784 times.
✓ Branch 1 taken 248 times.
1032 for(; i<w_l-7; i+=8){
293 784 __asm__ volatile(
294 "movq (%1), %%mm0 \n\t"
295 "movq 8(%1), %%mm4 \n\t"
296 "movq 2(%1), %%mm1 \n\t"
297 "movq 10(%1), %%mm5 \n\t"
298 "paddw %%mm6, %%mm0 \n\t"
299 "paddw %%mm6, %%mm4 \n\t"
300 "paddw %%mm7, %%mm1 \n\t"
301 "paddw %%mm7, %%mm5 \n\t"
302 "pavgw %%mm1, %%mm0 \n\t"
303 "pavgw %%mm5, %%mm4 \n\t"
304 "psubw %%mm7, %%mm0 \n\t"
305 "psubw %%mm7, %%mm4 \n\t"
306 "psraw $1, %%mm0 \n\t"
307 "psraw $1, %%mm4 \n\t"
308 "movq (%0), %%mm1 \n\t"
309 "movq 8(%0), %%mm5 \n\t"
310 "paddw %%mm1, %%mm0 \n\t"
311 "paddw %%mm5, %%mm4 \n\t"
312 "psraw $2, %%mm0 \n\t"
313 "psraw $2, %%mm4 \n\t"
314 "paddw %%mm1, %%mm0 \n\t"
315 "paddw %%mm5, %%mm4 \n\t"
316 "movq %%mm0, (%0) \n\t"
317 "movq %%mm4, 8(%0) \n\t"
318 784 :: "r"(&b[i]), "r"(&ref[i])
319 : "memory"
320 );
321 }
322 248 snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
323 }
324
325 { // Lift 3
326 248 IDWTELEM * const src = b+w2;
327 248 i = 0;
328
329
2/2
✓ Branch 0 taken 784 times.
✓ Branch 1 taken 248 times.
1032 for(; i<w_r-7; i+=8){
330 784 __asm__ volatile(
331 "movq 2(%1), %%mm2 \n\t"
332 "movq 10(%1), %%mm6 \n\t"
333 "paddw (%1), %%mm2 \n\t"
334 "paddw 8(%1), %%mm6 \n\t"
335 "movq (%0), %%mm0 \n\t"
336 "movq 8(%0), %%mm4 \n\t"
337 "paddw %%mm2, %%mm0 \n\t"
338 "paddw %%mm6, %%mm4 \n\t"
339 "psraw $1, %%mm2 \n\t"
340 "psraw $1, %%mm6 \n\t"
341 "paddw %%mm0, %%mm2 \n\t"
342 "paddw %%mm4, %%mm6 \n\t"
343 "movq %%mm2, (%2) \n\t"
344 "movq %%mm6, 8(%2) \n\t"
345 784 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
346 : "memory"
347 );
348 }
349 248 snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS);
350 }
351
352 {
353 248 snow_interleave_line_header(&i, width, b, temp);
354
355
2/2
✓ Branch 0 taken 248 times.
✓ Branch 1 taken 248 times.
496 for (; (i & 0x1E) != 0x1E; i-=2){
356 248 b[i+1] = temp[i>>1];
357 248 b[i] = b[i>>1];
358 }
359
2/2
✓ Branch 0 taken 496 times.
✓ Branch 1 taken 248 times.
744 for (i-=30; i>=0; i-=32){
360 496 __asm__ volatile(
361 "movq (%1), %%mm0 \n\t"
362 "movq 8(%1), %%mm2 \n\t"
363 "movq 16(%1), %%mm4 \n\t"
364 "movq 24(%1), %%mm6 \n\t"
365 "movq (%1), %%mm1 \n\t"
366 "movq 8(%1), %%mm3 \n\t"
367 "movq 16(%1), %%mm5 \n\t"
368 "movq 24(%1), %%mm7 \n\t"
369 "punpcklwd (%2), %%mm0 \n\t"
370 "punpcklwd 8(%2), %%mm2 \n\t"
371 "punpcklwd 16(%2), %%mm4 \n\t"
372 "punpcklwd 24(%2), %%mm6 \n\t"
373 "movq %%mm0, (%0) \n\t"
374 "movq %%mm2, 16(%0) \n\t"
375 "movq %%mm4, 32(%0) \n\t"
376 "movq %%mm6, 48(%0) \n\t"
377 "punpckhwd (%2), %%mm1 \n\t"
378 "punpckhwd 8(%2), %%mm3 \n\t"
379 "punpckhwd 16(%2), %%mm5 \n\t"
380 "punpckhwd 24(%2), %%mm7 \n\t"
381 "movq %%mm1, 8(%0) \n\t"
382 "movq %%mm3, 24(%0) \n\t"
383 "movq %%mm5, 40(%0) \n\t"
384 "movq %%mm7, 56(%0) \n\t"
385 496 :: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1])
386 : "memory"
387 );
388 }
389 }
390 248 }
391
392 #if HAVE_7REGS
393 #define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\
394 ""op" ("r",%%"FF_REG_d"), %%"t0" \n\t"\
395 ""op" 16("r",%%"FF_REG_d"), %%"t1" \n\t"\
396 ""op" 32("r",%%"FF_REG_d"), %%"t2" \n\t"\
397 ""op" 48("r",%%"FF_REG_d"), %%"t3" \n\t"
398
399 #define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\
400 snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3)
401
402 #define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\
403 snow_vertical_compose_sse2_load_add("paddw",r,t0,t1,t2,t3)
404
405 #define snow_vertical_compose_r2r_sub(s0,s1,s2,s3,t0,t1,t2,t3)\
406 "psubw %%"s0", %%"t0" \n\t"\
407 "psubw %%"s1", %%"t1" \n\t"\
408 "psubw %%"s2", %%"t2" \n\t"\
409 "psubw %%"s3", %%"t3" \n\t"
410
411 #define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\
412 "movdqa %%"s0", ("w",%%"FF_REG_d") \n\t"\
413 "movdqa %%"s1", 16("w",%%"FF_REG_d") \n\t"\
414 "movdqa %%"s2", 32("w",%%"FF_REG_d") \n\t"\
415 "movdqa %%"s3", 48("w",%%"FF_REG_d") \n\t"
416
417 #define snow_vertical_compose_sra(n,t0,t1,t2,t3)\
418 "psraw $"n", %%"t0" \n\t"\
419 "psraw $"n", %%"t1" \n\t"\
420 "psraw $"n", %%"t2" \n\t"\
421 "psraw $"n", %%"t3" \n\t"
422
423 #define snow_vertical_compose_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\
424 "paddw %%"s0", %%"t0" \n\t"\
425 "paddw %%"s1", %%"t1" \n\t"\
426 "paddw %%"s2", %%"t2" \n\t"\
427 "paddw %%"s3", %%"t3" \n\t"
428
429 #define snow_vertical_compose_r2r_pmulhw(s0,s1,s2,s3,t0,t1,t2,t3)\
430 "pmulhw %%"s0", %%"t0" \n\t"\
431 "pmulhw %%"s1", %%"t1" \n\t"\
432 "pmulhw %%"s2", %%"t2" \n\t"\
433 "pmulhw %%"s3", %%"t3" \n\t"
434
435 #define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\
436 "movdqa %%"s0", %%"t0" \n\t"\
437 "movdqa %%"s1", %%"t1" \n\t"\
438 "movdqa %%"s2", %%"t2" \n\t"\
439 "movdqa %%"s3", %%"t3" \n\t"
440
441 static void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
442 x86_reg i = width;
443
444 while(i & 0x1F)
445 {
446 i--;
447 b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
448 b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
449 b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
450 b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
451 }
452 i+=i;
453
454 __asm__ volatile (
455 "jmp 2f \n\t"
456 "1: \n\t"
457 snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6")
458 snow_vertical_compose_sse2_add("%6","xmm0","xmm2","xmm4","xmm6")
459
460
461 "pcmpeqw %%xmm0, %%xmm0 \n\t"
462 "pcmpeqw %%xmm2, %%xmm2 \n\t"
463 "paddw %%xmm2, %%xmm2 \n\t"
464 "paddw %%xmm0, %%xmm2 \n\t"
465 "psllw $13, %%xmm2 \n\t"
466 snow_vertical_compose_r2r_add("xmm0","xmm0","xmm0","xmm0","xmm1","xmm3","xmm5","xmm7")
467 snow_vertical_compose_r2r_pmulhw("xmm2","xmm2","xmm2","xmm2","xmm1","xmm3","xmm5","xmm7")
468 snow_vertical_compose_sse2_add("%5","xmm1","xmm3","xmm5","xmm7")
469 snow_vertical_compose_sse2_store("%5","xmm1","xmm3","xmm5","xmm7")
470 snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6")
471 snow_vertical_compose_sse2_add("%3","xmm1","xmm3","xmm5","xmm7")
472 snow_vertical_compose_r2r_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
473 snow_vertical_compose_sse2_store("%4","xmm0","xmm2","xmm4","xmm6")
474
475 "pcmpeqw %%xmm7, %%xmm7 \n\t"
476 "pcmpeqw %%xmm5, %%xmm5 \n\t"
477 "psllw $15, %%xmm7 \n\t"
478 "psrlw $13, %%xmm5 \n\t"
479 "paddw %%xmm7, %%xmm5 \n\t"
480 snow_vertical_compose_r2r_add("xmm5","xmm5","xmm5","xmm5","xmm0","xmm2","xmm4","xmm6")
481 "movq (%2,%%"FF_REG_d"), %%xmm1 \n\t"
482 "movq 8(%2,%%"FF_REG_d"), %%xmm3 \n\t"
483 "paddw %%xmm7, %%xmm1 \n\t"
484 "paddw %%xmm7, %%xmm3 \n\t"
485 "pavgw %%xmm1, %%xmm0 \n\t"
486 "pavgw %%xmm3, %%xmm2 \n\t"
487 "movq 16(%2,%%"FF_REG_d"), %%xmm1 \n\t"
488 "movq 24(%2,%%"FF_REG_d"), %%xmm3 \n\t"
489 "paddw %%xmm7, %%xmm1 \n\t"
490 "paddw %%xmm7, %%xmm3 \n\t"
491 "pavgw %%xmm1, %%xmm4 \n\t"
492 "pavgw %%xmm3, %%xmm6 \n\t"
493 snow_vertical_compose_r2r_sub("xmm7","xmm7","xmm7","xmm7","xmm0","xmm2","xmm4","xmm6")
494 snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6")
495 snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6")
496
497 snow_vertical_compose_sra("2","xmm0","xmm2","xmm4","xmm6")
498 snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6")
499 snow_vertical_compose_sse2_store("%3","xmm0","xmm2","xmm4","xmm6")
500 snow_vertical_compose_sse2_add("%1","xmm0","xmm2","xmm4","xmm6")
501 snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
502 snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6")
503 snow_vertical_compose_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
504 snow_vertical_compose_sse2_add("%2","xmm0","xmm2","xmm4","xmm6")
505 snow_vertical_compose_sse2_store("%2","xmm0","xmm2","xmm4","xmm6")
506
507 "2: \n\t"
508 "sub $64, %%"FF_REG_d" \n\t"
509 "jge 1b \n\t"
510 :"+d"(i)
511 :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5));
512 }
513
514 #define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\
515 ""op" ("r",%%"FF_REG_d"), %%"t0" \n\t"\
516 ""op" 8("r",%%"FF_REG_d"), %%"t1" \n\t"\
517 ""op" 16("r",%%"FF_REG_d"), %%"t2" \n\t"\
518 ""op" 24("r",%%"FF_REG_d"), %%"t3" \n\t"
519
520 #define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\
521 snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3)
522
523 #define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\
524 snow_vertical_compose_mmx_load_add("paddw",r,t0,t1,t2,t3)
525
526 #define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\
527 "movq %%"s0", ("w",%%"FF_REG_d") \n\t"\
528 "movq %%"s1", 8("w",%%"FF_REG_d") \n\t"\
529 "movq %%"s2", 16("w",%%"FF_REG_d") \n\t"\
530 "movq %%"s3", 24("w",%%"FF_REG_d") \n\t"
531
532 #define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\
533 "movq %%"s0", %%"t0" \n\t"\
534 "movq %%"s1", %%"t1" \n\t"\
535 "movq %%"s2", %%"t2" \n\t"\
536 "movq %%"s3", %%"t3" \n\t"
537
538
539 96 static void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
540 96 x86_reg i = width;
541
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 96 times.
96 while(i & 15)
542 {
543 i--;
544 b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
545 b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
546 b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
547 b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
548 }
549 96 i+=i;
550 96 __asm__ volatile(
551 "jmp 2f \n\t"
552 "1: \n\t"
553
554 snow_vertical_compose_mmx_load("%4","mm1","mm3","mm5","mm7")
555 snow_vertical_compose_mmx_add("%6","mm1","mm3","mm5","mm7")
556 "pcmpeqw %%mm0, %%mm0 \n\t"
557 "pcmpeqw %%mm2, %%mm2 \n\t"
558 "paddw %%mm2, %%mm2 \n\t"
559 "paddw %%mm0, %%mm2 \n\t"
560 "psllw $13, %%mm2 \n\t"
561 snow_vertical_compose_r2r_add("mm0","mm0","mm0","mm0","mm1","mm3","mm5","mm7")
562 snow_vertical_compose_r2r_pmulhw("mm2","mm2","mm2","mm2","mm1","mm3","mm5","mm7")
563 snow_vertical_compose_mmx_add("%5","mm1","mm3","mm5","mm7")
564 snow_vertical_compose_mmx_store("%5","mm1","mm3","mm5","mm7")
565 snow_vertical_compose_mmx_load("%4","mm0","mm2","mm4","mm6")
566 snow_vertical_compose_mmx_add("%3","mm1","mm3","mm5","mm7")
567 snow_vertical_compose_r2r_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
568 snow_vertical_compose_mmx_store("%4","mm0","mm2","mm4","mm6")
569 "pcmpeqw %%mm7, %%mm7 \n\t"
570 "pcmpeqw %%mm5, %%mm5 \n\t"
571 "psllw $15, %%mm7 \n\t"
572 "psrlw $13, %%mm5 \n\t"
573 "paddw %%mm7, %%mm5 \n\t"
574 snow_vertical_compose_r2r_add("mm5","mm5","mm5","mm5","mm0","mm2","mm4","mm6")
575 "movq (%2,%%"FF_REG_d"), %%mm1 \n\t"
576 "movq 8(%2,%%"FF_REG_d"), %%mm3 \n\t"
577 "paddw %%mm7, %%mm1 \n\t"
578 "paddw %%mm7, %%mm3 \n\t"
579 "pavgw %%mm1, %%mm0 \n\t"
580 "pavgw %%mm3, %%mm2 \n\t"
581 "movq 16(%2,%%"FF_REG_d"), %%mm1 \n\t"
582 "movq 24(%2,%%"FF_REG_d"), %%mm3 \n\t"
583 "paddw %%mm7, %%mm1 \n\t"
584 "paddw %%mm7, %%mm3 \n\t"
585 "pavgw %%mm1, %%mm4 \n\t"
586 "pavgw %%mm3, %%mm6 \n\t"
587 snow_vertical_compose_r2r_sub("mm7","mm7","mm7","mm7","mm0","mm2","mm4","mm6")
588 snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6")
589 snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6")
590
591 snow_vertical_compose_sra("2","mm0","mm2","mm4","mm6")
592 snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6")
593 snow_vertical_compose_mmx_store("%3","mm0","mm2","mm4","mm6")
594 snow_vertical_compose_mmx_add("%1","mm0","mm2","mm4","mm6")
595 snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
596 snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6")
597 snow_vertical_compose_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
598 snow_vertical_compose_mmx_add("%2","mm0","mm2","mm4","mm6")
599 snow_vertical_compose_mmx_store("%2","mm0","mm2","mm4","mm6")
600
601 "2: \n\t"
602 "sub $32, %%"FF_REG_d" \n\t"
603 "jge 1b \n\t"
604 :"+d"(i)
605 :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5));
606 96 }
607 #endif //HAVE_7REGS
608
609 #if HAVE_6REGS
610 #define snow_inner_add_yblock_sse2_header \
611 IDWTELEM * * dst_array = sb->line + src_y;\
612 x86_reg tmp;\
613 __asm__ volatile(\
614 "mov %7, %%"FF_REG_c" \n\t"\
615 "mov %6, %2 \n\t"\
616 "mov %4, %%"FF_REG_S" \n\t"\
617 "pxor %%xmm7, %%xmm7 \n\t" /* 0 */\
618 "pcmpeqd %%xmm3, %%xmm3 \n\t"\
619 "psllw $15, %%xmm3 \n\t"\
620 "psrlw $12, %%xmm3 \n\t" /* FRAC_BITS >> 1 */\
621 "1: \n\t"\
622 "mov %1, %%"FF_REG_D" \n\t"\
623 "mov (%%"FF_REG_D"), %%"FF_REG_D" \n\t"\
624 "add %3, %%"FF_REG_D" \n\t"
625
626 #define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\
627 "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\
628 "movq (%%"FF_REG_d"), %%"out_reg1" \n\t"\
629 "movq (%%"FF_REG_d", %%"FF_REG_c"), %%"out_reg2" \n\t"\
630 "punpcklbw %%xmm7, %%"out_reg1" \n\t"\
631 "punpcklbw %%xmm7, %%"out_reg2" \n\t"\
632 "movq "s_offset"(%%"FF_REG_S"), %%xmm0 \n\t"\
633 "movq "s_offset"+16(%%"FF_REG_S"), %%xmm4 \n\t"\
634 "punpcklbw %%xmm7, %%xmm0 \n\t"\
635 "punpcklbw %%xmm7, %%xmm4 \n\t"\
636 "pmullw %%xmm0, %%"out_reg1" \n\t"\
637 "pmullw %%xmm4, %%"out_reg2" \n\t"
638
639 #define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\
640 "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\
641 "movq (%%"FF_REG_d"), %%"out_reg1" \n\t"\
642 "movq 8(%%"FF_REG_d"), %%"out_reg2" \n\t"\
643 "punpcklbw %%xmm7, %%"out_reg1" \n\t"\
644 "punpcklbw %%xmm7, %%"out_reg2" \n\t"\
645 "movq "s_offset"(%%"FF_REG_S"), %%xmm0 \n\t"\
646 "movq "s_offset"+8(%%"FF_REG_S"), %%xmm4 \n\t"\
647 "punpcklbw %%xmm7, %%xmm0 \n\t"\
648 "punpcklbw %%xmm7, %%xmm4 \n\t"\
649 "pmullw %%xmm0, %%"out_reg1" \n\t"\
650 "pmullw %%xmm4, %%"out_reg2" \n\t"
651
652 #define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \
653 snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\
654 "paddusw %%xmm2, %%xmm1 \n\t"\
655 "paddusw %%xmm6, %%xmm5 \n\t"
656
657 #define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \
658 snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\
659 "paddusw %%xmm2, %%xmm1 \n\t"\
660 "paddusw %%xmm6, %%xmm5 \n\t"
661
662 #define snow_inner_add_yblock_sse2_end_common1\
663 "add $32, %%"FF_REG_S" \n\t"\
664 "add %%"FF_REG_c", %0 \n\t"\
665 "add %%"FF_REG_c", "FF_PTR_SIZE"*3(%%"FF_REG_a"); \n\t"\
666 "add %%"FF_REG_c", "FF_PTR_SIZE"*2(%%"FF_REG_a"); \n\t"\
667 "add %%"FF_REG_c", "FF_PTR_SIZE"*1(%%"FF_REG_a"); \n\t"\
668 "add %%"FF_REG_c", (%%"FF_REG_a") \n\t"
669
670 #define snow_inner_add_yblock_sse2_end_common2\
671 "jnz 1b \n\t"\
672 :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
673 :\
674 "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\
675 XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", )\
676 "%"FF_REG_c"","%"FF_REG_S"","%"FF_REG_D"","%"FF_REG_d"");
677
678 #define snow_inner_add_yblock_sse2_end_8\
679 "sal $1, %%"FF_REG_c" \n\t"\
680 "add"FF_OPSIZE" $"FF_PTR_SIZE"*2, %1 \n\t"\
681 snow_inner_add_yblock_sse2_end_common1\
682 "sar $1, %%"FF_REG_c" \n\t"\
683 "sub $2, %2 \n\t"\
684 snow_inner_add_yblock_sse2_end_common2
685
686 #define snow_inner_add_yblock_sse2_end_16\
687 "add"FF_OPSIZE" $"FF_PTR_SIZE"*1, %1 \n\t"\
688 snow_inner_add_yblock_sse2_end_common1\
689 "dec %2 \n\t"\
690 snow_inner_add_yblock_sse2_end_common2
691
692 static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
693 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
694 snow_inner_add_yblock_sse2_header
695 snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0")
696 snow_inner_add_yblock_sse2_accum_8("2", "8")
697 snow_inner_add_yblock_sse2_accum_8("1", "128")
698 snow_inner_add_yblock_sse2_accum_8("0", "136")
699
700 "mov %0, %%"FF_REG_d" \n\t"
701 "movdqa (%%"FF_REG_D"), %%xmm0 \n\t"
702 "movdqa %%xmm1, %%xmm2 \n\t"
703
704 "punpckhwd %%xmm7, %%xmm1 \n\t"
705 "punpcklwd %%xmm7, %%xmm2 \n\t"
706 "paddd %%xmm2, %%xmm0 \n\t"
707 "movdqa 16(%%"FF_REG_D"), %%xmm2\n\t"
708 "paddd %%xmm1, %%xmm2 \n\t"
709 "paddd %%xmm3, %%xmm0 \n\t"
710 "paddd %%xmm3, %%xmm2 \n\t"
711
712 "mov %1, %%"FF_REG_D" \n\t"
713 "mov "FF_PTR_SIZE"(%%"FF_REG_D"), %%"FF_REG_D"; \n\t"
714 "add %3, %%"FF_REG_D" \n\t"
715
716 "movdqa (%%"FF_REG_D"), %%xmm4 \n\t"
717 "movdqa %%xmm5, %%xmm6 \n\t"
718 "punpckhwd %%xmm7, %%xmm5 \n\t"
719 "punpcklwd %%xmm7, %%xmm6 \n\t"
720 "paddd %%xmm6, %%xmm4 \n\t"
721 "movdqa 16(%%"FF_REG_D"), %%xmm6\n\t"
722 "paddd %%xmm5, %%xmm6 \n\t"
723 "paddd %%xmm3, %%xmm4 \n\t"
724 "paddd %%xmm3, %%xmm6 \n\t"
725
726 "psrad $8, %%xmm0 \n\t" /* FRAC_BITS. */
727 "psrad $8, %%xmm2 \n\t" /* FRAC_BITS. */
728 "packssdw %%xmm2, %%xmm0 \n\t"
729 "packuswb %%xmm7, %%xmm0 \n\t"
730 "movq %%xmm0, (%%"FF_REG_d") \n\t"
731
732 "psrad $8, %%xmm4 \n\t" /* FRAC_BITS. */
733 "psrad $8, %%xmm6 \n\t" /* FRAC_BITS. */
734 "packssdw %%xmm6, %%xmm4 \n\t"
735 "packuswb %%xmm7, %%xmm4 \n\t"
736 "movq %%xmm4, (%%"FF_REG_d",%%"FF_REG_c"); \n\t"
737 snow_inner_add_yblock_sse2_end_8
738 }
739
740 static void inner_add_yblock_bw_16_obmc_32_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
741 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
742 snow_inner_add_yblock_sse2_header
743 snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0")
744 snow_inner_add_yblock_sse2_accum_16("2", "16")
745 snow_inner_add_yblock_sse2_accum_16("1", "512")
746 snow_inner_add_yblock_sse2_accum_16("0", "528")
747
748 "mov %0, %%"FF_REG_d" \n\t"
749 "psrlw $4, %%xmm1 \n\t"
750 "psrlw $4, %%xmm5 \n\t"
751 "paddw (%%"FF_REG_D"), %%xmm1 \n\t"
752 "paddw 16(%%"FF_REG_D"), %%xmm5 \n\t"
753 "paddw %%xmm3, %%xmm1 \n\t"
754 "paddw %%xmm3, %%xmm5 \n\t"
755 "psraw $4, %%xmm1 \n\t" /* FRAC_BITS. */
756 "psraw $4, %%xmm5 \n\t" /* FRAC_BITS. */
757 "packuswb %%xmm5, %%xmm1 \n\t"
758
759 "movdqu %%xmm1, (%%"FF_REG_d") \n\t"
760
761 snow_inner_add_yblock_sse2_end_16
762 }
763
764 #define snow_inner_add_yblock_mmx_header \
765 IDWTELEM * * dst_array = sb->line + src_y;\
766 x86_reg tmp;\
767 __asm__ volatile(\
768 "mov %7, %%"FF_REG_c" \n\t"\
769 "mov %6, %2 \n\t"\
770 "mov %4, %%"FF_REG_S" \n\t"\
771 "pxor %%mm7, %%mm7 \n\t" /* 0 */\
772 "pcmpeqd %%mm3, %%mm3 \n\t"\
773 "psllw $15, %%mm3 \n\t"\
774 "psrlw $12, %%mm3 \n\t" /* FRAC_BITS >> 1 */\
775 "1: \n\t"\
776 "mov %1, %%"FF_REG_D" \n\t"\
777 "mov (%%"FF_REG_D"), %%"FF_REG_D" \n\t"\
778 "add %3, %%"FF_REG_D" \n\t"
779
780 #define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\
781 "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\
782 "movd "d_offset"(%%"FF_REG_d"), %%"out_reg1" \n\t"\
783 "movd "d_offset"+4(%%"FF_REG_d"), %%"out_reg2" \n\t"\
784 "punpcklbw %%mm7, %%"out_reg1" \n\t"\
785 "punpcklbw %%mm7, %%"out_reg2" \n\t"\
786 "movd "s_offset"(%%"FF_REG_S"), %%mm0 \n\t"\
787 "movd "s_offset"+4(%%"FF_REG_S"), %%mm4 \n\t"\
788 "punpcklbw %%mm7, %%mm0 \n\t"\
789 "punpcklbw %%mm7, %%mm4 \n\t"\
790 "pmullw %%mm0, %%"out_reg1" \n\t"\
791 "pmullw %%mm4, %%"out_reg2" \n\t"
792
793 #define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \
794 snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\
795 "paddusw %%mm2, %%mm1 \n\t"\
796 "paddusw %%mm6, %%mm5 \n\t"
797
798 #define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\
799 "mov %0, %%"FF_REG_d" \n\t"\
800 "psrlw $4, %%mm1 \n\t"\
801 "psrlw $4, %%mm5 \n\t"\
802 "paddw "read_offset"(%%"FF_REG_D"), %%mm1 \n\t"\
803 "paddw "read_offset"+8(%%"FF_REG_D"), %%mm5 \n\t"\
804 "paddw %%mm3, %%mm1 \n\t"\
805 "paddw %%mm3, %%mm5 \n\t"\
806 "psraw $4, %%mm1 \n\t"\
807 "psraw $4, %%mm5 \n\t"\
808 "packuswb %%mm5, %%mm1 \n\t"\
809 "movq %%mm1, "write_offset"(%%"FF_REG_d") \n\t"
810
811 #define snow_inner_add_yblock_mmx_end(s_step)\
812 "add $"s_step", %%"FF_REG_S" \n\t"\
813 "add %%"FF_REG_c", "FF_PTR_SIZE"*3(%%"FF_REG_a"); \n\t"\
814 "add %%"FF_REG_c", "FF_PTR_SIZE"*2(%%"FF_REG_a"); \n\t"\
815 "add %%"FF_REG_c", "FF_PTR_SIZE"*1(%%"FF_REG_a"); \n\t"\
816 "add %%"FF_REG_c", (%%"FF_REG_a") \n\t"\
817 "add"FF_OPSIZE " $"FF_PTR_SIZE"*1, %1 \n\t"\
818 "add %%"FF_REG_c", %0 \n\t"\
819 "dec %2 \n\t"\
820 "jnz 1b \n\t"\
821 :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
822 :\
823 "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\
824 "%"FF_REG_c"","%"FF_REG_S"","%"FF_REG_D"","%"FF_REG_d"");
825
826 static void inner_add_yblock_bw_8_obmc_16_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
827 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
828 snow_inner_add_yblock_mmx_header
829 snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
830 snow_inner_add_yblock_mmx_accum("2", "8", "0")
831 snow_inner_add_yblock_mmx_accum("1", "128", "0")
832 snow_inner_add_yblock_mmx_accum("0", "136", "0")
833 snow_inner_add_yblock_mmx_mix("0", "0")
834 snow_inner_add_yblock_mmx_end("16")
835 }
836
837 static void inner_add_yblock_bw_16_obmc_32_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
838 int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
839 snow_inner_add_yblock_mmx_header
840 snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
841 snow_inner_add_yblock_mmx_accum("2", "16", "0")
842 snow_inner_add_yblock_mmx_accum("1", "512", "0")
843 snow_inner_add_yblock_mmx_accum("0", "528", "0")
844 snow_inner_add_yblock_mmx_mix("0", "0")
845
846 snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8")
847 snow_inner_add_yblock_mmx_accum("2", "24", "8")
848 snow_inner_add_yblock_mmx_accum("1", "520", "8")
849 snow_inner_add_yblock_mmx_accum("0", "536", "8")
850 snow_inner_add_yblock_mmx_mix("16", "8")
851 snow_inner_add_yblock_mmx_end("32")
852 }
853
854 static void ff_snow_inner_add_yblock_sse2(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
855 int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
856
857 if (b_w == 16)
858 inner_add_yblock_bw_16_obmc_32_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
859 else if (b_w == 8 && obmc_stride == 16) {
860 if (!(b_h & 1))
861 inner_add_yblock_bw_8_obmc_16_bh_even_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
862 else
863 inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
864 } else
865 ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
866 }
867
868 static void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
869 int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
870 if (b_w == 16)
871 inner_add_yblock_bw_16_obmc_32_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
872 else if (b_w == 8 && obmc_stride == 16)
873 inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
874 else
875 ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
876 }
877 #endif /* HAVE_6REGS */
878
879 #endif /* HAVE_INLINE_ASM */
880
881 31 av_cold void ff_dwt_init_x86(SnowDWTContext *c)
882 {
883 #if HAVE_INLINE_ASM
884 31 int mm_flags = av_get_cpu_flags();
885
886
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 29 times.
31 if (mm_flags & AV_CPU_FLAG_MMX) {
887 if(mm_flags & AV_CPU_FLAG_SSE2 & 0){
888 c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2;
889 #if HAVE_7REGS
890 c->vertical_compose97i = ff_snow_vertical_compose97i_sse2;
891 #endif
892 #if HAVE_6REGS
893 c->inner_add_yblock = ff_snow_inner_add_yblock_sse2;
894 #endif
895 }
896 else{
897
1/2
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
2 if (mm_flags & AV_CPU_FLAG_MMXEXT) {
898 2 c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx;
899 #if HAVE_7REGS
900 2 c->vertical_compose97i = ff_snow_vertical_compose97i_mmx;
901 #endif
902 }
903 #if HAVE_6REGS
904 2 c->inner_add_yblock = ff_snow_inner_add_yblock_mmx;
905 #endif
906 }
907 }
908 #endif /* HAVE_INLINE_ASM */
909 31 }
910