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
|
;
; 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"
SECTION .text
;void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q)
globalsym(vp8_dequantize_b_impl_mmx)
sym(vp8_dequantize_b_impl_mmx):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 3
push rsi
push rdi
; end prolog
mov rsi, arg(0) ;sq
mov rdi, arg(1) ;dq
mov rax, arg(2) ;q
movq mm1, [rsi]
pmullw mm1, [rax+0] ; mm4 *= kernel 0 modifiers.
movq [rdi], mm1
movq mm1, [rsi+8]
pmullw mm1, [rax+8] ; mm4 *= kernel 0 modifiers.
movq [rdi+8], mm1
movq mm1, [rsi+16]
pmullw mm1, [rax+16] ; mm4 *= kernel 0 modifiers.
movq [rdi+16], mm1
movq mm1, [rsi+24]
pmullw mm1, [rax+24] ; mm4 *= kernel 0 modifiers.
movq [rdi+24], mm1
; begin epilog
pop rdi
pop rsi
UNSHADOW_ARGS
pop rbp
ret
;void dequant_idct_add_mmx(
;short *input, 0
;short *dq, 1
;unsigned char *dest, 2
;int stride) 3
globalsym(vp8_dequant_idct_add_mmx)
sym(vp8_dequant_idct_add_mmx):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 4
GET_GOT rbx
push rdi
; end prolog
mov rax, arg(0) ;input
mov rdx, arg(1) ;dq
movq mm0, [rax ]
pmullw mm0, [rdx]
movq mm1, [rax +8]
pmullw mm1, [rdx +8]
movq mm2, [rax+16]
pmullw mm2, [rdx+16]
movq mm3, [rax+24]
pmullw mm3, [rdx+24]
mov rdx, arg(2) ;dest
pxor mm7, mm7
movq [rax], mm7
movq [rax+8], mm7
movq [rax+16],mm7
movq [rax+24],mm7
movsxd rdi, dword ptr arg(3) ;stride
psubw mm0, mm2 ; b1= 0-2
paddw mm2, mm2 ;
movq mm5, mm1
paddw mm2, mm0 ; a1 =0+2
pmulhw mm5, [GLOBAL(x_s1sqr2)];
paddw mm5, mm1 ; ip1 * sin(pi/8) * sqrt(2)
movq mm7, mm3 ;
pmulhw mm7, [GLOBAL(x_c1sqr2less1)];
paddw mm7, mm3 ; ip3 * cos(pi/8) * sqrt(2)
psubw mm7, mm5 ; c1
movq mm5, mm1
movq mm4, mm3
pmulhw mm5, [GLOBAL(x_c1sqr2less1)]
paddw mm5, mm1
pmulhw mm3, [GLOBAL(x_s1sqr2)]
paddw mm3, mm4
paddw mm3, mm5 ; d1
movq mm6, mm2 ; a1
movq mm4, mm0 ; b1
paddw mm2, mm3 ;0
paddw mm4, mm7 ;1
psubw mm0, mm7 ;2
psubw mm6, mm3 ;3
movq mm1, mm2 ; 03 02 01 00
movq mm3, mm4 ; 23 22 21 20
punpcklwd mm1, mm0 ; 11 01 10 00
punpckhwd mm2, mm0 ; 13 03 12 02
punpcklwd mm3, mm6 ; 31 21 30 20
punpckhwd mm4, mm6 ; 33 23 32 22
movq mm0, mm1 ; 11 01 10 00
movq mm5, mm2 ; 13 03 12 02
punpckldq mm0, mm3 ; 30 20 10 00
punpckhdq mm1, mm3 ; 31 21 11 01
punpckldq mm2, mm4 ; 32 22 12 02
punpckhdq mm5, mm4 ; 33 23 13 03
movq mm3, mm5 ; 33 23 13 03
psubw mm0, mm2 ; b1= 0-2
paddw mm2, mm2 ;
movq mm5, mm1
paddw mm2, mm0 ; a1 =0+2
pmulhw mm5, [GLOBAL(x_s1sqr2)];
paddw mm5, mm1 ; ip1 * sin(pi/8) * sqrt(2)
movq mm7, mm3 ;
pmulhw mm7, [GLOBAL(x_c1sqr2less1)];
paddw mm7, mm3 ; ip3 * cos(pi/8) * sqrt(2)
psubw mm7, mm5 ; c1
movq mm5, mm1
movq mm4, mm3
pmulhw mm5, [GLOBAL(x_c1sqr2less1)]
paddw mm5, mm1
pmulhw mm3, [GLOBAL(x_s1sqr2)]
paddw mm3, mm4
paddw mm3, mm5 ; d1
paddw mm0, [GLOBAL(fours)]
paddw mm2, [GLOBAL(fours)]
movq mm6, mm2 ; a1
movq mm4, mm0 ; b1
paddw mm2, mm3 ;0
paddw mm4, mm7 ;1
psubw mm0, mm7 ;2
psubw mm6, mm3 ;3
psraw mm2, 3
psraw mm0, 3
psraw mm4, 3
psraw mm6, 3
movq mm1, mm2 ; 03 02 01 00
movq mm3, mm4 ; 23 22 21 20
punpcklwd mm1, mm0 ; 11 01 10 00
punpckhwd mm2, mm0 ; 13 03 12 02
punpcklwd mm3, mm6 ; 31 21 30 20
punpckhwd mm4, mm6 ; 33 23 32 22
movq mm0, mm1 ; 11 01 10 00
movq mm5, mm2 ; 13 03 12 02
punpckldq mm0, mm3 ; 30 20 10 00
punpckhdq mm1, mm3 ; 31 21 11 01
punpckldq mm2, mm4 ; 32 22 12 02
punpckhdq mm5, mm4 ; 33 23 13 03
pxor mm7, mm7
movd mm4, [rdx]
punpcklbw mm4, mm7
paddsw mm0, mm4
packuswb mm0, mm7
movd [rdx], mm0
movd mm4, [rdx+rdi]
punpcklbw mm4, mm7
paddsw mm1, mm4
packuswb mm1, mm7
movd [rdx+rdi], mm1
movd mm4, [rdx+2*rdi]
punpcklbw mm4, mm7
paddsw mm2, mm4
packuswb mm2, mm7
movd [rdx+rdi*2], mm2
add rdx, rdi
movd mm4, [rdx+2*rdi]
punpcklbw mm4, mm7
paddsw mm5, mm4
packuswb mm5, mm7
movd [rdx+rdi*2], mm5
; begin epilog
pop rdi
RESTORE_GOT
UNSHADOW_ARGS
pop rbp
ret
SECTION_RODATA
align 16
x_s1sqr2:
times 4 dw 0x8A8C
align 16
x_c1sqr2less1:
times 4 dw 0x4E7B
align 16
fours:
times 4 dw 0x0004
|
