Parent Directory | Revision Log
Revision 1.1.2.2 - (view) (download)
1 : | edgomez | 1.1.2.1 | ;/************************************************************************** |
2 : | ; * | ||
3 : | ; * XVID MPEG-4 VIDEO CODEC | ||
4 : | edgomez | 1.1.2.2 | ; * - 3dne Quantization/Dequantization - |
5 : | edgomez | 1.1.2.1 | ; * |
6 : | edgomez | 1.1.2.2 | ; * Copyright(C) 2002-2003 Jaan Kalda |
7 : | edgomez | 1.1.2.1 | ; * |
8 : | ; * This program is free software ; you can redistribute it and/or modify | ||
9 : | ; * it under the terms of the GNU General Public License as published by | ||
10 : | ; * the Free Software Foundation ; either version 2 of the License, or | ||
11 : | ; * (at your option) any later version. | ||
12 : | ; * | ||
13 : | ; * This program is distributed in the hope that it will be useful, | ||
14 : | ; * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
15 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 : | ; * GNU General Public License for more details. | ||
17 : | ; * | ||
18 : | ; * You should have received a copy of the GNU General Public License | ||
19 : | ; * along with this program ; if not, write to the Free Software | ||
20 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 : | ; * | ||
22 : | ; * $Id$ | ||
23 : | ; * | ||
24 : | ; *************************************************************************/ | ||
25 : | edgomez | 1.1.2.2 | ; |
26 : | edgomez | 1.1.2.1 | ; these 3dne functions are compatible with iSSE, but are optimized specifically for |
27 : | ; K7 pipelines | ||
28 : | |||
29 : | ; enable dequant saturate [-2048,2047], test purposes only. | ||
30 : | %define SATURATE | ||
31 : | |||
32 : | ; data/text alignment | ||
33 : | %define ALIGN 16 | ||
34 : | |||
35 : | bits 32 | ||
36 : | |||
37 : | %macro cglobal 1 | ||
38 : | %ifdef PREFIX | ||
39 : | global _%1 | ||
40 : | %define %1 _%1 | ||
41 : | %else | ||
42 : | global %1 | ||
43 : | %endif | ||
44 : | %endmacro | ||
45 : | edgomez | 1.1.2.2 | |
46 : | ;*************************************************************************** | ||
47 : | ; Local data | ||
48 : | ;*************************************************************************** | ||
49 : | |||
50 : | %ifdef FORMAT_COFF | ||
51 : | section .data data | ||
52 : | %else | ||
53 : | section .data data align=16 | ||
54 : | %endif | ||
55 : | |||
56 : | edgomez | 1.1.2.1 | align 4 |
57 : | edgomez | 1.1.2.2 | int_div: |
58 : | edgomez | 1.1.2.1 | dd 0 |
59 : | %assign i 1 | ||
60 : | %rep 255 | ||
61 : | dd (1 << 16) / (i) + 1 | ||
62 : | %assign i i+1 | ||
63 : | %endrep | ||
64 : | |||
65 : | align 16 | ||
66 : | edgomez | 1.1.2.2 | plus_one: |
67 : | times 8 dw 1 | ||
68 : | edgomez | 1.1.2.1 | |
69 : | ;=========================================================================== | ||
70 : | ; | ||
71 : | ; subtract by Q/2 table | ||
72 : | ; | ||
73 : | ;=========================================================================== | ||
74 : | |||
75 : | align 16 | ||
76 : | edgomez | 1.1.2.2 | mmx_sub: |
77 : | edgomez | 1.1.2.1 | %assign i 1 |
78 : | %rep 31 | ||
79 : | times 4 dw i / 2 | ||
80 : | %assign i i+1 | ||
81 : | %endrep | ||
82 : | |||
83 : | |||
84 : | ;=========================================================================== | ||
85 : | ; | ||
86 : | ; divide by 2Q table | ||
87 : | ; | ||
88 : | ; use a shift of 16 to take full advantage of _pmulhw_ | ||
89 : | ; for q=1, _pmulhw_ will overflow so it is treated seperately | ||
90 : | ; (3dnow2 provides _pmulhuw_ which wont cause overflow) | ||
91 : | ; | ||
92 : | ;=========================================================================== | ||
93 : | |||
94 : | align 16 | ||
95 : | edgomez | 1.1.2.2 | mmx_div: |
96 : | edgomez | 1.1.2.1 | %assign i 1 |
97 : | %rep 31 | ||
98 : | times 4 dw (1 << 16) / (i * 2) + 1 | ||
99 : | %assign i i+1 | ||
100 : | %endrep | ||
101 : | |||
102 : | ;=========================================================================== | ||
103 : | ; | ||
104 : | ; add by (odd(Q) ? Q : Q - 1) table | ||
105 : | ; | ||
106 : | ;=========================================================================== | ||
107 : | |||
108 : | align 16 | ||
109 : | edgomez | 1.1.2.2 | mmx_add: |
110 : | edgomez | 1.1.2.1 | %assign i 1 |
111 : | %rep 31 | ||
112 : | edgomez | 1.1.2.2 | %if i % 2 != 0 |
113 : | times 4 dw i | ||
114 : | %else | ||
115 : | times 4 dw i - 1 | ||
116 : | %endif | ||
117 : | edgomez | 1.1.2.1 | %assign i i+1 |
118 : | %endrep | ||
119 : | |||
120 : | ;=========================================================================== | ||
121 : | ; | ||
122 : | ; multiple by 2Q table | ||
123 : | ; | ||
124 : | ;=========================================================================== | ||
125 : | |||
126 : | align 16 | ||
127 : | edgomez | 1.1.2.2 | mmx_mul: |
128 : | edgomez | 1.1.2.1 | %assign i 1 |
129 : | %rep 31 | ||
130 : | times 4 dw i * 2 | ||
131 : | %assign i i+1 | ||
132 : | %endrep | ||
133 : | |||
134 : | ;=========================================================================== | ||
135 : | ; | ||
136 : | ; saturation limits | ||
137 : | ; | ||
138 : | ;=========================================================================== | ||
139 : | |||
140 : | align 8 | ||
141 : | edgomez | 1.1.2.2 | mmx_32768_minus_2048: |
142 : | times 4 dw (32768-2048) | ||
143 : | mmx_32767_minus_2047: | ||
144 : | times 4 dw (32767-2047) | ||
145 : | edgomez | 1.1.2.1 | |
146 : | align 16 | ||
147 : | edgomez | 1.1.2.2 | mmx_2047: |
148 : | times 4 dw 2047 | ||
149 : | edgomez | 1.1.2.1 | |
150 : | align 8 | ||
151 : | edgomez | 1.1.2.2 | mmzero: |
152 : | dd 0, 0 | ||
153 : | int2047: | ||
154 : | dd 2047 | ||
155 : | int_2048: | ||
156 : | dd -2048 | ||
157 : | |||
158 : | ;*************************************************************************** | ||
159 : | ; Code | ||
160 : | ;*************************************************************************** | ||
161 : | edgomez | 1.1.2.1 | |
162 : | section .text | ||
163 : | |||
164 : | |||
165 : | ;=========================================================================== | ||
166 : | ; | ||
167 : | edgomez | 1.1.2.2 | ; uint32_t quant_h263_intra_3dne(int16_t * coeff, |
168 : | ; const int16_t const * data, | ||
169 : | ; const uint32_t quant, | ||
170 : | ; const uint32_t dcscalar); | ||
171 : | edgomez | 1.1.2.1 | ; |
172 : | ;=========================================================================== | ||
173 : | ;This is Athlon-optimized code (ca 70 clk per call) | ||
174 : | |||
175 : | %macro quant_intra1 1 | ||
176 : | |||
177 : | psubw mm1, mm0 ;A3 | ||
178 : | psubw mm3, mm2 ;B3 | ||
179 : | %if (%1) | ||
180 : | psubw mm5, mm4 ;C8 | ||
181 : | psubw mm7, mm6 ;D8 | ||
182 : | %endif | ||
183 : | |||
184 : | align 8 | ||
185 : | db 0Fh, 6Fh, 64h, 21h, (%1 * 32 +16) ;movq mm4, [ecx + %1 * 32 +16+32] ;C1 | ||
186 : | pmaxsw mm1, mm0 ;A4 | ||
187 : | db 0Fh, 6Fh, 74h, 21h, (%1 * 32 +24) ;movq mm6, [ecx + %1 * 32 +24+32] ;D1 | ||
188 : | pmaxsw mm3, mm2 ;B4 | ||
189 : | |||
190 : | |||
191 : | psraw mm0, 15 ;A5 | ||
192 : | psraw mm2, 15 ;B5 | ||
193 : | %if (%1) | ||
194 : | movq [edx + %1 * 32 + 16-32], mm5 ;C9 | ||
195 : | movq [edx + %1 * 32 + 24-32], mm7 ;D9 | ||
196 : | %endif | ||
197 : | |||
198 : | psrlw mm1, 1 ;A6 | ||
199 : | psrlw mm3, 1 ;B6 | ||
200 : | movq mm5, [ebx] ;C2 | ||
201 : | movq mm7, [ebx] ;D2 | ||
202 : | |||
203 : | pxor mm1, mm0 ;A7 | ||
204 : | pxor mm3, mm2 ;B7 | ||
205 : | |||
206 : | psubw mm5, mm4 ;C3 | ||
207 : | psubw mm7, mm6 ;D3 | ||
208 : | psubw mm1, mm0 ;A8 | ||
209 : | psubw mm3, mm2 ;B8 | ||
210 : | |||
211 : | %if (%1 == 0) | ||
212 : | push ebp | ||
213 : | movq mm0, [ecx + %1 * 32 +32] | ||
214 : | %elif (%1 < 3) | ||
215 : | db 0Fh, 6Fh, 44h, 21h, (%1 * 32 +32) ;movq mm0, [ecx + %1 * 32 +32] ;A1 | ||
216 : | %endif | ||
217 : | pmaxsw mm5, mm4 ;C4 | ||
218 : | %if (%1 < 3) | ||
219 : | db 0Fh, 6Fh, 54h, 21h, ( %1 * 32 +8+32) ;movq mm2, [ecx + %1 * 32 +8+32] ;B1 | ||
220 : | %else | ||
221 : | cmp esp, esp | ||
222 : | %endif | ||
223 : | pmaxsw mm7, mm6 ;D4 | ||
224 : | |||
225 : | psraw mm4, 15 ;C5 | ||
226 : | psraw mm6, 15 ;D5 | ||
227 : | movq [byte edx + %1 * 32], mm1 ;A9 | ||
228 : | movq [edx + %1 * 32+8], mm3 ;B9 | ||
229 : | |||
230 : | |||
231 : | psrlw mm5, 1 ;C6 | ||
232 : | psrlw mm7, 1 ;D6 | ||
233 : | %if (%1 < 3) | ||
234 : | movq mm1, [ebx] ;A2 | ||
235 : | movq mm3, [ebx] ;B2 | ||
236 : | %endif | ||
237 : | %if (%1 == 3) | ||
238 : | imul eax, [int_div+4*edi] | ||
239 : | %endif | ||
240 : | pxor mm5, mm4 ;C7 | ||
241 : | pxor mm7, mm6 ;D7 | ||
242 : | %endm | ||
243 : | |||
244 : | |||
245 : | %macro quant_intra 1 | ||
246 : | ; Rules for athlon: | ||
247 : | ; 1) schedule latencies | ||
248 : | ; 2) add/mul and load/store in 2:1 proportion | ||
249 : | ; 3) avoid spliting >3byte instructions over 8byte boundaries | ||
250 : | |||
251 : | psubw mm1, mm0 ;A3 | ||
252 : | psubw mm3, mm2 ;B3 | ||
253 : | %if (%1) | ||
254 : | psubw mm5, mm4 ;C8 | ||
255 : | psubw mm7, mm6 ;D8 | ||
256 : | %endif | ||
257 : | |||
258 : | align 8 | ||
259 : | db 0Fh, 6Fh, 64h, 21h, (%1 * 32 +16) ;movq mm4, [ecx + %1 * 32 +16+32] ;C1 | ||
260 : | pmaxsw mm1, mm0 ;A4 | ||
261 : | db 0Fh, 6Fh, 74h, 21h, (%1 * 32 +24) ;movq mm6, [ecx + %1 * 32 +24+32] ;D1 | ||
262 : | pmaxsw mm3, mm2 ;B4 | ||
263 : | |||
264 : | |||
265 : | psraw mm0, 15 ;A5 | ||
266 : | psraw mm2, 15 ;B5 | ||
267 : | %if (%1) | ||
268 : | movq [edx + %1 * 32 + 16-32], mm5 ;C9 | ||
269 : | movq [edx + %1 * 32 + 24-32], mm7 ;D9 | ||
270 : | %endif | ||
271 : | |||
272 : | pmulhw mm1, [esi] ;A6 | ||
273 : | pmulhw mm3, [esi] ;B6 | ||
274 : | movq mm5, [ebx] ;C2 | ||
275 : | movq mm7, [ebx] ;D2 | ||
276 : | |||
277 : | nop | ||
278 : | nop | ||
279 : | pxor mm1, mm0 ;A7 | ||
280 : | pxor mm3, mm2 ;B7 | ||
281 : | |||
282 : | psubw mm5, mm4 ;C3 | ||
283 : | psubw mm7, mm6 ;D3 | ||
284 : | psubw mm1, mm0 ;A8 | ||
285 : | psubw mm3, mm2 ;B8 | ||
286 : | |||
287 : | |||
288 : | %if (%1 < 3) | ||
289 : | db 0Fh, 6Fh, 44h, 21h, (%1 * 32 +32) ;movq mm0, [ecx + %1 * 32 +32] ;A1 | ||
290 : | %endif | ||
291 : | pmaxsw mm5, mm4 ;C4 | ||
292 : | %if (%1 < 3) | ||
293 : | db 0Fh, 6Fh, 54h, 21h, ( %1 * 32 +8+32) ;movq mm2, [ecx + %1 * 32 +8+32] ;B1 | ||
294 : | %else | ||
295 : | cmp esp, esp | ||
296 : | %endif | ||
297 : | pmaxsw mm7,mm6 ;D4 | ||
298 : | |||
299 : | psraw mm4, 15 ;C5 | ||
300 : | psraw mm6, 15 ;D5 | ||
301 : | movq [byte edx + %1 * 32], mm1 ;A9 | ||
302 : | movq [edx + %1 * 32+8], mm3 ;B9 | ||
303 : | |||
304 : | |||
305 : | pmulhw mm5, [esi] ;C6 | ||
306 : | pmulhw mm7, [esi] ;D6 | ||
307 : | %if (%1 < 3) | ||
308 : | movq mm1, [ebx] ;A2 | ||
309 : | movq mm3, [ebx] ;B2 | ||
310 : | %endif | ||
311 : | %if (%1 == 0) | ||
312 : | push ebp | ||
313 : | %elif (%1 < 3) | ||
314 : | nop | ||
315 : | %endif | ||
316 : | nop | ||
317 : | %if (%1 == 3) | ||
318 : | imul eax, [int_div+4*edi] | ||
319 : | %endif | ||
320 : | pxor mm5, mm4 ;C7 | ||
321 : | pxor mm7, mm6 ;D7 | ||
322 : | %endmacro | ||
323 : | |||
324 : | |||
325 : | align ALIGN | ||
326 : | cglobal quant_h263_intra_3dne | ||
327 : | quant_h263_intra_3dne: | ||
328 : | |||
329 : | edgomez | 1.1.2.2 | mov eax, [esp + 12] ; quant |
330 : | mov ecx, [esp + 8] ; data | ||
331 : | mov edx, [esp + 4] ; coeff | ||
332 : | cmp al, 1 | ||
333 : | edgomez | 1.1.2.1 | pxor mm1, mm1 |
334 : | pxor mm3, mm3 | ||
335 : | movq mm0, [ecx] ; mm0 = [1st] | ||
336 : | movq mm2, [ecx + 8] | ||
337 : | push esi | ||
338 : | edgomez | 1.1.2.2 | lea esi, [mmx_div + eax*8 - 8] |
339 : | edgomez | 1.1.2.1 | |
340 : | push ebx | ||
341 : | edgomez | 1.1.2.2 | mov ebx, mmzero |
342 : | edgomez | 1.1.2.1 | push edi |
343 : | edgomez | 1.1.2.2 | jz near .q1loop |
344 : | edgomez | 1.1.2.1 | |
345 : | quant_intra 0 | ||
346 : | mov ebp, [esp + 16 + 16] ; dcscalar | ||
347 : | ; NB -- there are 3 pushes in the function preambule and one more | ||
348 : | ; in "quant_intra 0", thus an added offset of 16 bytes | ||
349 : | movsx eax, word [byte ecx] ; DC | ||
350 : | |||
351 : | quant_intra 1 | ||
352 : | edgomez | 1.1.2.2 | mov edi, eax |
353 : | sar edi, 31 ; sign(DC) | ||
354 : | edgomez | 1.1.2.1 | shr ebp, byte 1 ; ebp = dcscalar/2 |
355 : | |||
356 : | quant_intra 2 | ||
357 : | edgomez | 1.1.2.2 | sub eax, edi ; DC (+1) |
358 : | edgomez | 1.1.2.1 | xor ebp, edi ; sign(DC) dcscalar /2 (-1) |
359 : | edgomez | 1.1.2.2 | mov edi, [esp + 16 + 16] ; dscalar |
360 : | lea eax, [byte eax + ebp] ; DC + sign(DC) dcscalar/2 | ||
361 : | mov ebp, [byte esp] | ||
362 : | edgomez | 1.1.2.1 | |
363 : | quant_intra 3 | ||
364 : | psubw mm5, mm4 ;C8 | ||
365 : | edgomez | 1.1.2.2 | mov esi, [esp + 12] ; pop back the register value |
366 : | mov edi, [esp + 4] ; pop back the register value | ||
367 : | sar eax, 16 | ||
368 : | lea ebx, [byte eax + 1] ; workaround for eax < 0 | ||
369 : | edgomez | 1.1.2.1 | cmovs eax, ebx ; conditionnaly move the corrected value |
370 : | edgomez | 1.1.2.2 | mov [edx], ax ; coeff[0] = ax |
371 : | mov ebx, [esp + 8] ; pop back the register value | ||
372 : | add esp, byte 16 ; "quant_intra 0" pushed ebp, but we don't restore that one, just correct the stack offset by 16 | ||
373 : | edgomez | 1.1.2.1 | psubw mm7, mm6 ;D8 |
374 : | movq [edx + 3 * 32 + 16], mm5 ;C9 | ||
375 : | movq [edx + 3 * 32 + 24], mm7 ;D9 | ||
376 : | |||
377 : | edgomez | 1.1.2.2 | xor eax, eax |
378 : | edgomez | 1.1.2.1 | ret |
379 : | |||
380 : | align 16 | ||
381 : | |||
382 : | .q1loop | ||
383 : | quant_intra1 0 | ||
384 : | edgomez | 1.1.2.2 | mov ebp, [esp + 16 + 16] ; dcscalar |
385 : | edgomez | 1.1.2.1 | movsx eax, word [byte ecx] ; DC |
386 : | |||
387 : | quant_intra1 1 | ||
388 : | edgomez | 1.1.2.2 | mov edi, eax |
389 : | sar edi, 31 ; sign(DC) | ||
390 : | edgomez | 1.1.2.1 | shr ebp, byte 1 ; ebp = dcscalar /2 |
391 : | |||
392 : | quant_intra1 2 | ||
393 : | edgomez | 1.1.2.2 | sub eax, edi ; DC (+1) |
394 : | edgomez | 1.1.2.1 | xor ebp, edi ; sign(DC) dcscalar /2 (-1) |
395 : | edgomez | 1.1.2.2 | mov edi, [esp + 16 + 16] ; dcscalar |
396 : | lea eax, [byte eax + ebp] ; DC + sign(DC) dcscalar /2 | ||
397 : | mov ebp, [byte esp] | ||
398 : | edgomez | 1.1.2.1 | |
399 : | quant_intra1 3 | ||
400 : | psubw mm5, mm4 ;C8 | ||
401 : | edgomez | 1.1.2.2 | mov esi, [dword esp + 12] ; pop back the register value |
402 : | mov edi, [esp + 4] ; pop back the register value | ||
403 : | sar eax, 16 | ||
404 : | lea ebx, [byte eax + 1] ; workaround for eax < 0 | ||
405 : | edgomez | 1.1.2.1 | cmovs eax, ebx ; conditionnaly move the corrected value |
406 : | edgomez | 1.1.2.2 | mov [edx], ax ; coeff[0] = ax |
407 : | mov ebx, [esp + 8] ; pop back the register value | ||
408 : | add esp, byte 16 ; "quant_intra 0" pushed ebp, but we don't restore that one, just correct the stack offset by 16 | ||
409 : | edgomez | 1.1.2.1 | psubw mm7, mm6 ;D8 |
410 : | movq [edx + 3 * 32 + 16], mm5 ;C9 | ||
411 : | movq [edx + 3 * 32 + 24], mm7 ;D9 | ||
412 : | |||
413 : | edgomez | 1.1.2.2 | xor eax, eax |
414 : | edgomez | 1.1.2.1 | ret |
415 : | |||
416 : | |||
417 : | |||
418 : | |||
419 : | ;=========================================================================== | ||
420 : | ; | ||
421 : | edgomez | 1.1.2.2 | ; uint32_t quant_h263_inter_3dne(int16_t * coeff, |
422 : | ; const int16_t const * data, | ||
423 : | ; const uint32_t quant); | ||
424 : | edgomez | 1.1.2.1 | ; |
425 : | ;=========================================================================== | ||
426 : | ;This is Athlon-optimized code (ca 90 clk per call) | ||
427 : | ;Optimized by Jaan, 30 Nov 2002 | ||
428 : | |||
429 : | |||
430 : | %macro quantinter 1 | ||
431 : | movq mm1, [eax] ;A2 | ||
432 : | psraw mm3, 15 ;B6 | ||
433 : | %if (%1) | ||
434 : | psubw mm2, mm6 ;C10 | ||
435 : | %endif | ||
436 : | psubw mm1, mm0 ;A3 | ||
437 : | pmulhw mm4, mm7 ;B7 | ||
438 : | movq mm6, [ecx + %1*24+16] ;C1 | ||
439 : | pmaxsw mm1, mm0 ;A4 | ||
440 : | paddw mm5, mm4 ;B8 | ||
441 : | %if (%1) | ||
442 : | movq [edx + %1*24+16-24], mm2 ;C11 | ||
443 : | %endif | ||
444 : | psubusw mm1, [ebx] ;A5 mm0 -= sub (unsigned, dont go < 0) | ||
445 : | pxor mm4, mm3 ;B9 | ||
446 : | movq mm2, [eax] ;C2 | ||
447 : | psraw mm0, 15 ;A6 | ||
448 : | psubw mm4, mm3 ;B10 | ||
449 : | psubw mm2, mm6 ;C3 | ||
450 : | pmulhw mm1, mm7 ;A7 mm0 = (mm0 / 2Q) >> 24 | ||
451 : | movq mm3, [ecx + %1*24+8] ;B1 | ||
452 : | pmaxsw mm2, mm6 ;C4 | ||
453 : | paddw mm5, mm1 ;A8 sum += mm0 | ||
454 : | %if (%1) | ||
455 : | movq [edx + %1*24+8-24], mm4 ;B11 | ||
456 : | %else | ||
457 : | movq [edx + 120], mm4 ;B11 | ||
458 : | %endif | ||
459 : | psubusw mm2, [ebx] ;C5 | ||
460 : | pxor mm1, mm0 ;A9 mm0 *= sign(mm0) | ||
461 : | movq mm4, [eax] ;B2 | ||
462 : | psraw mm6, 15 ;C6 | ||
463 : | psubw mm1, mm0 ;A10 undisplace | ||
464 : | psubw mm4, mm3 ;B3 | ||
465 : | pmulhw mm2, mm7 ;C7 | ||
466 : | movq mm0, [ecx + %1*24+24] ;A1 mm0 = [1st] | ||
467 : | pmaxsw mm4, mm3 ;B4 | ||
468 : | paddw mm5, mm2 ;C8 | ||
469 : | movq [byte edx + %1*24], mm1 ;A11 | ||
470 : | psubusw mm4, [ebx] ;B5 | ||
471 : | pxor mm2, mm6 ;C9 | ||
472 : | %endmacro | ||
473 : | |||
474 : | %macro quantinter1 1 | ||
475 : | movq mm0, [byte ecx + %1*16] ;mm0 = [1st] | ||
476 : | movq mm3, [ecx + %1*16+8] ; | ||
477 : | movq mm1, [eax] | ||
478 : | movq mm4, [eax] | ||
479 : | psubw mm1, mm0 | ||
480 : | psubw mm4, mm3 | ||
481 : | pmaxsw mm1, mm0 | ||
482 : | pmaxsw mm4, mm3 | ||
483 : | psubusw mm1, mm6 ; mm0 -= sub (unsigned, dont go < 0) | ||
484 : | psubusw mm4, mm6 ; | ||
485 : | psraw mm0, 15 | ||
486 : | psraw mm3, 15 | ||
487 : | psrlw mm1, 1 ; mm0 = (mm0 / 2Q) >> 16 | ||
488 : | psrlw mm4, 1 ; | ||
489 : | paddw mm5, mm1 ; sum += mm0 | ||
490 : | pxor mm1, mm0 ; mm0 *= sign(mm0) | ||
491 : | paddw mm5, mm4 | ||
492 : | pxor mm4, mm3 ; | ||
493 : | psubw mm1, mm0 ; undisplace | ||
494 : | psubw mm4, mm3 | ||
495 : | edgomez | 1.1.2.2 | cmp esp, esp |
496 : | edgomez | 1.1.2.1 | movq [byte edx + %1*16], mm1 |
497 : | movq [edx + %1*16+8], mm4 | ||
498 : | %endmacro | ||
499 : | |||
500 : | align ALIGN | ||
501 : | cglobal quant_h263_inter_3dne | ||
502 : | quant_h263_inter_3dne: | ||
503 : | edgomez | 1.1.2.2 | mov edx, [esp + 4] ; coeff |
504 : | mov ecx, [esp + 8] ; data | ||
505 : | mov eax, [esp + 12] ; quant | ||
506 : | edgomez | 1.1.2.1 | push ebx |
507 : | |||
508 : | pxor mm5, mm5 ; sum | ||
509 : | nop | ||
510 : | edgomez | 1.1.2.2 | lea ebx,[mmx_sub + eax * 8 - 8] ; sub |
511 : | edgomez | 1.1.2.1 | movq mm7, [mmx_div + eax * 8 - 8] ; divider |
512 : | |||
513 : | edgomez | 1.1.2.2 | cmp al, 1 |
514 : | lea eax, [mmzero] | ||
515 : | jz near .q1loop | ||
516 : | cmp esp, esp | ||
517 : | edgomez | 1.1.2.1 | align 8 |
518 : | movq mm3, [ecx + 120] ;B1 | ||
519 : | pxor mm4, mm4 ;B2 | ||
520 : | psubw mm4, mm3 ;B3 | ||
521 : | movq mm0, [ecx] ;A1 mm0 = [1st] | ||
522 : | pmaxsw mm4, mm3 ;B4 | ||
523 : | psubusw mm4, [ebx] ;B5 | ||
524 : | |||
525 : | quantinter 0 | ||
526 : | quantinter 1 | ||
527 : | quantinter 2 | ||
528 : | quantinter 3 | ||
529 : | quantinter 4 | ||
530 : | |||
531 : | psraw mm3, 15 ;B6 | ||
532 : | psubw mm2, mm6 ;C10 | ||
533 : | pmulhw mm4, mm7 ;B7 | ||
534 : | paddw mm5, mm4 ;B8 | ||
535 : | pxor mm4, mm3 ;B9 | ||
536 : | psubw mm4, mm3 ;B10 | ||
537 : | movq [edx + 4*24+16], mm2 ;C11 | ||
538 : | edgomez | 1.1.2.2 | pop ebx |
539 : | edgomez | 1.1.2.1 | movq [edx + 4*24+8], mm4 ;B11 |
540 : | pmaddwd mm5, [plus_one] | ||
541 : | movq mm0, mm5 | ||
542 : | punpckhdq mm5, mm5 | ||
543 : | paddd mm0, mm5 | ||
544 : | movd eax, mm0 ; return sum | ||
545 : | |||
546 : | ret | ||
547 : | |||
548 : | align ALIGN | ||
549 : | .q1loop | ||
550 : | movq mm6, [byte ebx] | ||
551 : | |||
552 : | quantinter1 0 | ||
553 : | quantinter1 1 | ||
554 : | quantinter1 2 | ||
555 : | quantinter1 3 | ||
556 : | quantinter1 4 | ||
557 : | quantinter1 5 | ||
558 : | quantinter1 6 | ||
559 : | quantinter1 7 | ||
560 : | |||
561 : | pmaddwd mm5, [plus_one] | ||
562 : | movq mm0, mm5 | ||
563 : | psrlq mm5, 32 | ||
564 : | paddd mm0, mm5 | ||
565 : | movd eax, mm0 ; return sum | ||
566 : | |||
567 : | pop ebx | ||
568 : | |||
569 : | ret | ||
570 : | |||
571 : | ;=========================================================================== | ||
572 : | ; | ||
573 : | edgomez | 1.1.2.2 | ; uint32_t dequant_h263_intra_3dne(int16_t *data, |
574 : | ; const int16_t const *coeff, | ||
575 : | ; const uint32_t quant, | ||
576 : | ; const uint32_t dcscalar); | ||
577 : | edgomez | 1.1.2.1 | ; |
578 : | ;=========================================================================== | ||
579 : | |||
580 : | ; this is the same as dequant_inter_3dne, except that we're | ||
581 : | ; saturating using 'pminsw' (saves 2 cycles/loop => ~5% faster) | ||
582 : | |||
583 : | ;This is Athlon-optimized code (ca 106 clk per call) | ||
584 : | |||
585 : | %macro dequant 1 | ||
586 : | movq mm1, [ecx+%1*24] ; c = coeff[i] ;A2 | ||
587 : | psubw mm0, mm1 ;-c ;A3 (1st dep) | ||
588 : | %if (%1) | ||
589 : | paddw mm4, mm6 ;C11 mm6 free (4th+) | ||
590 : | %endif | ||
591 : | pmaxsw mm0, mm1 ;|c| ;A4 (2nd) | ||
592 : | %if (%1) | ||
593 : | edgomez | 1.1.2.2 | mov ebp, ebp |
594 : | edgomez | 1.1.2.1 | pminsw mm4, [ebx] ;C12 saturates to +2047 (5th+) later |
595 : | %endif | ||
596 : | movq mm6, [esi] ;0 ;A5 mm6 in use | ||
597 : | pandn mm7, [eax] ;B9 offset = isZero ? 0 : quant_add (2nd) | ||
598 : | %if (%1) | ||
599 : | pxor mm5, mm4 ;C13 (6th+) 1later | ||
600 : | %endif | ||
601 : | movq mm4, [esi] ;C1 ;0 | ||
602 : | edgomez | 1.1.2.2 | mov esp, esp |
603 : | edgomez | 1.1.2.1 | pcmpeqw mm6, [ecx+%1*24] ;A6 (c ==0) ? -1 : 0 (1st) |
604 : | align 4 | ||
605 : | psraw mm1, 15 ; sign(c) ;A7 (2nd) | ||
606 : | %if (%1) | ||
607 : | movq [edx+%1*24+16-24], mm5 ; C14 (7th) 2later | ||
608 : | %endif | ||
609 : | paddw mm7, mm3 ;B10 offset +negate back (3rd) | ||
610 : | pmullw mm0, [edi] ;*= 2Q ;A8 (3rd+) | ||
611 : | paddw mm2, mm7 ;B11 mm7 free (4th+) | ||
612 : | edgomez | 1.1.2.2 | lea ebp, [byte ebp] |
613 : | edgomez | 1.1.2.1 | movq mm5, [ecx+%1*24+16] ;C2 ; c = coeff[i] |
614 : | psubw mm4, mm5 ;-c ;C3 (1st dep) | ||
615 : | pandn mm6, [eax] ;A9 offset = isZero ? 0 : quant_add (2nd) | ||
616 : | pminsw mm2, [ebx] ;B12 saturates to +2047 (5th+) | ||
617 : | pxor mm3, mm2 ;B13 (6th+) | ||
618 : | movq mm2, [byte esi] ;B1 ;0 | ||
619 : | %if (%1) | ||
620 : | movq [edx+%1*24+8-24], mm3 ;B14 (7th) | ||
621 : | %else | ||
622 : | movq [edx+120], mm3 | ||
623 : | %endif | ||
624 : | pmaxsw mm4, mm5 ;|c| ;C4 (2nd) | ||
625 : | paddw mm6, mm1 ;A10 offset +negate back (3rd) | ||
626 : | movq mm3, [ecx+%1*24 + 8] ;B2 ; c = coeff[i] | ||
627 : | psubw mm2, mm3 ;-c ;B3 (1st dep) | ||
628 : | paddw mm0, mm6 ;A11 mm6 free (4th+) | ||
629 : | movq mm6, [byte esi] ;0 ;C5 mm6 in use | ||
630 : | pcmpeqw mm6, [ecx+%1*24+16] ;C6 (c ==0) ? -1 : 0 (1st) | ||
631 : | pminsw mm0, [ebx] ;A12 saturates to +2047 (5th+) | ||
632 : | pmaxsw mm2, mm3 ;|c| ;B4 (2nd) | ||
633 : | pxor mm1, mm0 ;A13 (6th+) | ||
634 : | pmullw mm4, [edi] ;*= 2Q ;C8 (3rd+) | ||
635 : | psraw mm5, 15 ; sign(c) ;C7 (2nd) | ||
636 : | movq mm7, [byte esi] ;0 ;B5 mm7 in use | ||
637 : | pcmpeqw mm7, [ecx+%1*24 + 8] ;B6 (c ==0) ? -1 : 0 (1st) | ||
638 : | %if (%1 < 4) | ||
639 : | movq mm0, [byte esi] ;A1 ;0 | ||
640 : | %endif | ||
641 : | pandn mm6, [byte eax] ;C9 offset = isZero ? 0 : quant_add (2nd) | ||
642 : | psraw mm3, 15 ;sign(c) ;B7 (2nd) | ||
643 : | movq [byte edx+%1*24], mm1 ;A14 (7th) | ||
644 : | paddw mm6, mm5 ;C10 offset +negate back (3rd) | ||
645 : | pmullw mm2, [edi] ;*= 2Q ;B8 (3rd+) | ||
646 : | edgomez | 1.1.2.2 | mov esp, esp |
647 : | edgomez | 1.1.2.1 | %endmacro |
648 : | |||
649 : | |||
650 : | align ALIGN | ||
651 : | cglobal dequant_h263_intra_3dne | ||
652 : | dequant_h263_intra_3dne: | ||
653 : | edgomez | 1.1.2.2 | mov ecx, [esp+ 8] ; coeff |
654 : | mov eax, [esp+12] ; quant | ||
655 : | edgomez | 1.1.2.1 | pxor mm0, mm0 |
656 : | pxor mm2, mm2 | ||
657 : | push edi | ||
658 : | push ebx | ||
659 : | edgomez | 1.1.2.2 | lea edi, [mmx_mul + eax*8 - 8] ; 2*quant |
660 : | edgomez | 1.1.2.1 | push ebp |
661 : | edgomez | 1.1.2.2 | mov ebx, mmx_2047 |
662 : | edgomez | 1.1.2.1 | movsx ebp, word [ecx] |
663 : | edgomez | 1.1.2.2 | lea eax, [mmx_add + eax*8 - 8] ; quant or quant-1 |
664 : | edgomez | 1.1.2.1 | push esi |
665 : | edgomez | 1.1.2.2 | mov esi, mmzero |
666 : | edgomez | 1.1.2.1 | pxor mm7, mm7 |
667 : | movq mm3, [ecx+120] ;B2 ; c = coeff[i] | ||
668 : | pcmpeqw mm7, [ecx+120] ;B6 (c ==0) ? -1 : 0 (1st) | ||
669 : | |||
670 : | imul ebp, [esp+16+16] ; dcscalar | ||
671 : | psubw mm2, mm3 ;-c ;B3 (1st dep) | ||
672 : | pmaxsw mm2, mm3 ;|c| ;B4 (2nd) | ||
673 : | pmullw mm2, [edi] ;*= 2Q ;B8 (3rd+) | ||
674 : | psraw mm3, 15 ; sign(c) ;B7 (2nd) | ||
675 : | edgomez | 1.1.2.2 | mov edx, [esp+ 4+16] ; data |
676 : | edgomez | 1.1.2.1 | |
677 : | align 8 | ||
678 : | dequant 0 | ||
679 : | |||
680 : | edgomez | 1.1.2.2 | cmp ebp, -2048 |
681 : | mov esp, esp | ||
682 : | edgomez | 1.1.2.1 | |
683 : | dequant 1 | ||
684 : | |||
685 : | edgomez | 1.1.2.2 | cmovl ebp, [int_2048] |
686 : | edgomez | 1.1.2.1 | nop |
687 : | |||
688 : | dequant 2 | ||
689 : | |||
690 : | edgomez | 1.1.2.2 | cmp ebp, 2047 |
691 : | mov esp, esp | ||
692 : | edgomez | 1.1.2.1 | |
693 : | dequant 3 | ||
694 : | |||
695 : | edgomez | 1.1.2.2 | cmovg ebp, [int2047] |
696 : | edgomez | 1.1.2.1 | nop |
697 : | |||
698 : | dequant 4 | ||
699 : | |||
700 : | paddw mm4, mm6 ;C11 mm6 free (4th+) | ||
701 : | pminsw mm4, [ebx] ;C12 saturates to +2047 (5th+) | ||
702 : | pandn mm7, [eax] ;B9 offset = isZero ? 0 : quant_add (2nd) | ||
703 : | edgomez | 1.1.2.2 | mov eax, ebp |
704 : | mov esi, [esp] | ||
705 : | mov ebp, [esp+4] | ||
706 : | edgomez | 1.1.2.1 | pxor mm5, mm4 ;C13 (6th+) |
707 : | paddw mm7, mm3 ;B10 offset +negate back (3rd) | ||
708 : | movq [edx+4*24+16], mm5 ;C14 (7th) | ||
709 : | paddw mm2, mm7 ;B11 mm7 free (4th+) | ||
710 : | pminsw mm2, [ebx] ;B12 saturates to +2047 (5th+) | ||
711 : | edgomez | 1.1.2.2 | mov ebx, [esp+8] |
712 : | mov edi, [esp+12] | ||
713 : | add esp, byte 16 | ||
714 : | edgomez | 1.1.2.1 | pxor mm3, mm2 ;B13 (6th+) |
715 : | movq [edx+4*24+8], mm3 ;B14 (7th) | ||
716 : | edgomez | 1.1.2.2 | mov [edx], ax |
717 : | |||
718 : | xor eax, eax | ||
719 : | edgomez | 1.1.2.1 | ret |
720 : | |||
721 : | ;=========================================================================== | ||
722 : | ; | ||
723 : | edgomez | 1.1.2.2 | ; uint32_t dequant_h263_inter_3dne(int16_t * data, |
724 : | ; const int16_t * const coeff, | ||
725 : | ; const uint32_t quant); | ||
726 : | edgomez | 1.1.2.1 | ; |
727 : | ;=========================================================================== | ||
728 : | |||
729 : | ; this is the same as dequant_inter_3dne, | ||
730 : | ; except that we're saturating using 'pminsw' (saves 2 cycles/loop) | ||
731 : | edgomez | 1.1.2.2 | ; This is Athlon-optimized code (ca 100 clk per call) |
732 : | edgomez | 1.1.2.1 | |
733 : | align ALIGN | ||
734 : | cglobal dequant_h263_inter_3dne | ||
735 : | dequant_h263_inter_3dne: | ||
736 : | edgomez | 1.1.2.2 | mov ecx, [esp+ 8] ; coeff |
737 : | mov eax, [esp+12] ; quant | ||
738 : | edgomez | 1.1.2.1 | pxor mm0, mm0 |
739 : | pxor mm2, mm2 | ||
740 : | push edi | ||
741 : | push ebx | ||
742 : | push esi | ||
743 : | edgomez | 1.1.2.2 | lea edi, [mmx_mul + eax*8 - 8] ; 2*quant |
744 : | mov ebx, mmx_2047 | ||
745 : | edgomez | 1.1.2.1 | pxor mm7, mm7 |
746 : | movq mm3, [ecx+120] ;B2 ; c = coeff[i] | ||
747 : | pcmpeqw mm7, [ecx+120] ;B6 (c ==0) ? -1 : 0 (1st) | ||
748 : | edgomez | 1.1.2.2 | lea eax, [mmx_add + eax*8 - 8] ; quant or quant-1 |
749 : | edgomez | 1.1.2.1 | psubw mm2, mm3 ;-c ;B3 (1st dep) |
750 : | edgomez | 1.1.2.2 | mov esi, mmzero |
751 : | edgomez | 1.1.2.1 | pmaxsw mm2, mm3 ;|c| ;B4 (2nd) |
752 : | pmullw mm2, [edi] ;*= 2Q ;B8 (3rd+) | ||
753 : | psraw mm3, 15 ; sign(c) ;B7 (2nd) | ||
754 : | edgomez | 1.1.2.2 | mov edx, [dword esp+ 4+12] ; data |
755 : | edgomez | 1.1.2.1 | |
756 : | align 8 | ||
757 : | |||
758 : | dequant 0 | ||
759 : | dequant 1 | ||
760 : | dequant 2 | ||
761 : | dequant 3 | ||
762 : | dequant 4 | ||
763 : | |||
764 : | paddw mm4, mm6 ;C11 mm6 free (4th+) | ||
765 : | pminsw mm4, [ebx] ;C12 saturates to +2047 (5th+) | ||
766 : | pandn mm7, [eax] ;B9 offset = isZero ? 0 : quant_add (2nd) | ||
767 : | edgomez | 1.1.2.2 | mov esi, [esp] |
768 : | edgomez | 1.1.2.1 | pxor mm5, mm4 ;C13 (6th+) |
769 : | paddw mm7, mm3 ;B10 offset +negate back (3rd) | ||
770 : | movq [edx+4*24+16], mm5 ;C14 (7th) | ||
771 : | paddw mm2, mm7 ;B11 mm7 free (4th+) | ||
772 : | pminsw mm2, [ebx] ;B12 saturates to +2047 (5th+) | ||
773 : | edgomez | 1.1.2.2 | mov ebx, [esp+4] |
774 : | mov edi, [esp+8] | ||
775 : | add esp, byte 12 | ||
776 : | edgomez | 1.1.2.1 | pxor mm3, mm2 ;B13 (6th+) |
777 : | movq [edx+4*24+8], mm3 ;B14 (7th) | ||
778 : | |||
779 : | edgomez | 1.1.2.2 | xor eax, eax |
780 : | edgomez | 1.1.2.1 | ret |
No admin address has been configured | ViewVC Help |
Powered by ViewVC 1.0.4 |