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