summaryrefslogtreecommitdiff
path: root/vp8/encoder/x86/subtract_mmx.asm
blob: a47e1f0d6ef7ac2c9aca5f0f458ea94179a957dc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
;
;  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
;
;  Use of this source code is governed by a BSD-style license
;  that can be found in the LICENSE file in the root of the source
;  tree. An additional intellectual property rights grant can be found
;  in the file PATENTS.  All contributing project authors may
;  be found in the AUTHORS file in the root of the source tree.
;


%include "vpx_ports/x86_abi_support.asm"

;void vp8_subtract_b_mmx_impl(unsigned char *z,  int src_stride,
;                            short *diff, unsigned char *Predictor,
;                            int pitch);
global sym(vp8_subtract_b_mmx_impl)
sym(vp8_subtract_b_mmx_impl):
    push        rbp
    mov         rbp, rsp
    SHADOW_ARGS_TO_STACK 5
    push rsi
    push rdi
    ; end prolog


        mov     rdi,        arg(2) ;diff
        mov     rax,        arg(3) ;Predictor
        mov     rsi,        arg(0) ;z
        movsxd  rdx,        dword ptr arg(1);src_stride;
        movsxd  rcx,        dword ptr arg(4);pitch
        pxor    mm7,        mm7

        movd    mm0,        [rsi]
        movd    mm1,        [rax]
        punpcklbw   mm0,    mm7
        punpcklbw   mm1,    mm7
        psubw   mm0,        mm1
        movq    [rdi],      mm0


        movd    mm0,        [rsi+rdx]
        movd    mm1,        [rax+rcx]
        punpcklbw   mm0,    mm7
        punpcklbw   mm1,    mm7
        psubw   mm0,        mm1
        movq    [rdi+rcx*2],mm0


        movd    mm0,        [rsi+rdx*2]
        movd    mm1,        [rax+rcx*2]
        punpcklbw   mm0,    mm7
        punpcklbw   mm1,    mm7
        psubw   mm0,        mm1
        movq    [rdi+rcx*4],        mm0

        lea     rsi,        [rsi+rdx*2]
        lea     rcx,        [rcx+rcx*2]



        movd    mm0,        [rsi+rdx]
        movd    mm1,        [rax+rcx]
        punpcklbw   mm0,    mm7
        punpcklbw   mm1,    mm7
        psubw   mm0,        mm1
        movq    [rdi+rcx*2],        mm0

    ; begin epilog
    pop rdi
    pop rsi
    UNSHADOW_ARGS
    pop         rbp
    ret

;void vp8_subtract_mby_mmx(short *diff, unsigned char *src, unsigned char *pred, int stride)
global sym(vp8_subtract_mby_mmx)
sym(vp8_subtract_mby_mmx):
    push        rbp
    mov         rbp, rsp
    SHADOW_ARGS_TO_STACK 4
    push rsi
    push rdi
    ; end prolog


            mov         rsi,            arg(1) ;src
            mov         rdi,            arg(0) ;diff

            mov         rax,            arg(2) ;pred
            movsxd      rdx,            dword ptr arg(3) ;stride

            mov         rcx,            16
            pxor        mm0,            mm0

submby_loop:

            movq        mm1,            [rsi]
            movq        mm3,            [rax]

            movq        mm2,            mm1
            movq        mm4,            mm3

            punpcklbw   mm1,            mm0
            punpcklbw   mm3,            mm0

            punpckhbw   mm2,            mm0
            punpckhbw   mm4,            mm0

            psubw       mm1,            mm3
            psubw       mm2,            mm4

            movq        [rdi],          mm1
            movq        [rdi+8],        mm2


            movq        mm1,            [rsi+8]
            movq        mm3,            [rax+8]

            movq        mm2,            mm1
            movq        mm4,            mm3

            punpcklbw   mm1,            mm0
            punpcklbw   mm3,            mm0

            punpckhbw   mm2,            mm0
            punpckhbw   mm4,            mm0

            psubw       mm1,            mm3
            psubw       mm2,            mm4

            movq        [rdi+16],       mm1
            movq        [rdi+24],       mm2


            add         rdi,            32
            add         rax,            16

            lea         rsi,            [rsi+rdx]

            sub         rcx,            1
            jnz         submby_loop

    pop rdi
    pop rsi
    ; begin epilog
    UNSHADOW_ARGS
    pop         rbp
    ret


;void vp8_subtract_mbuv_mmx(short *diff, unsigned char *usrc, unsigned char *vsrc, unsigned char *pred, int stride)
global sym(vp8_subtract_mbuv_mmx)
sym(vp8_subtract_mbuv_mmx):
    push        rbp
    mov         rbp, rsp
    SHADOW_ARGS_TO_STACK 5
    push rsi
    push rdi
    ; end prolog

    ;short *udiff = diff + 256;
    ;short *vdiff = diff + 320;
    ;unsigned char *upred = pred + 256;
    ;unsigned char *vpred = pred + 320;

        ;unsigned char  *z    = usrc;
        ;unsigned short *diff = udiff;
        ;unsigned char  *Predictor= upred;

            mov     rdi,        arg(0) ;diff
            mov     rax,        arg(3) ;pred
            mov     rsi,        arg(1) ;z = usrc
            add     rdi,        256*2  ;diff = diff + 256 (shorts)
            add     rax,        256    ;Predictor = pred + 256
            movsxd  rdx,        dword ptr arg(4) ;stride;
            pxor    mm7,        mm7

            movq    mm0,        [rsi]
            movq    mm1,        [rax]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi],      mm0
            movq    [rdi+8],    mm3


            movq    mm0,        [rsi+rdx]
            movq    mm1,        [rax+8]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi+16],   mm0
            movq    [rdi+24],   mm3

            movq    mm0,        [rsi+rdx*2]
            movq    mm1,        [rax+16]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi+32],   mm0
            movq    [rdi+40],   mm3
            lea     rsi,        [rsi+rdx*2]


            movq    mm0,        [rsi+rdx]
            movq    mm1,        [rax+24]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4

            movq    [rdi+48],   mm0
            movq    [rdi+56],   mm3


            add     rdi,        64
            add     rax,        32
            lea     rsi,        [rsi+rdx*2]


            movq    mm0,        [rsi]
            movq    mm1,        [rax]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi],      mm0
            movq    [rdi+8],    mm3


            movq    mm0,        [rsi+rdx]
            movq    mm1,        [rax+8]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi+16],   mm0
            movq    [rdi+24],   mm3

            movq    mm0,        [rsi+rdx*2]
            movq    mm1,        [rax+16]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi+32],   mm0
            movq    [rdi+40],   mm3
            lea     rsi,        [rsi+rdx*2]


            movq    mm0,        [rsi+rdx]
            movq    mm1,        [rax+24]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4

            movq    [rdi+48],   mm0
            movq    [rdi+56],   mm3

        ;unsigned char  *z    = vsrc;
        ;unsigned short *diff = vdiff;
        ;unsigned char  *Predictor= vpred;

            mov     rdi,        arg(0) ;diff
            mov     rax,        arg(3) ;pred
            mov     rsi,        arg(2) ;z = usrc
            add     rdi,        320*2  ;diff = diff + 320 (shorts)
            add     rax,        320    ;Predictor = pred + 320
            movsxd  rdx,        dword ptr arg(4) ;stride;
            pxor    mm7,        mm7

            movq    mm0,        [rsi]
            movq    mm1,        [rax]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi],      mm0
            movq    [rdi+8],    mm3


            movq    mm0,        [rsi+rdx]
            movq    mm1,        [rax+8]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi+16],   mm0
            movq    [rdi+24],   mm3

            movq    mm0,        [rsi+rdx*2]
            movq    mm1,        [rax+16]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi+32],   mm0
            movq    [rdi+40],   mm3
            lea     rsi,        [rsi+rdx*2]


            movq    mm0,        [rsi+rdx]
            movq    mm1,        [rax+24]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4

            movq    [rdi+48],   mm0
            movq    [rdi+56],   mm3


            add     rdi,        64
            add     rax,        32
            lea     rsi,        [rsi+rdx*2]


            movq    mm0,        [rsi]
            movq    mm1,        [rax]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi],      mm0
            movq    [rdi+8],    mm3


            movq    mm0,        [rsi+rdx]
            movq    mm1,        [rax+8]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi+16],   mm0
            movq    [rdi+24],   mm3

            movq    mm0,        [rsi+rdx*2]
            movq    mm1,        [rax+16]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4
            movq    [rdi+32],   mm0
            movq    [rdi+40],   mm3
            lea     rsi,        [rsi+rdx*2]


            movq    mm0,        [rsi+rdx]
            movq    mm1,        [rax+24]
            movq    mm3,        mm0
            movq    mm4,        mm1
            punpcklbw   mm0,    mm7
            punpcklbw   mm1,    mm7
            punpckhbw   mm3,    mm7
            punpckhbw   mm4,    mm7
            psubw   mm0,        mm1
            psubw   mm3,        mm4

            movq    [rdi+48],   mm0
            movq    [rdi+56],   mm3

    ; begin epilog
    pop rdi
    pop rsi
    UNSHADOW_ARGS
    pop         rbp
    ret