aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/x86/lossless_audiodsp.asm
blob: 095f3daf33b1afec3c8c4977781c80a228ca7376 (plain) (blame)
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
;******************************************************************************
;* Copyright (c) 2008 Loren Merritt
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************

%include "libavutil/x86/x86util.asm"

SECTION .text

; int ff_scalarproduct_and_madd_int16(int16_t *v1, int16_t *v2, int16_t *v3,
;                                     int order, int mul)
INIT_XMM sse2
cglobal scalarproduct_and_madd_int16, 4,4,8, v1, v2, v3, order, mul
    shl orderd, 1
    movd    m7, mulm
    pshuflw m7, m7, 0
    punpcklqdq m7, m7
    pxor    m6, m6
    add v1q, orderq
    add v2q, orderq
    add v3q, orderq
    neg orderq
.loop:
    movu    m0, [v2q + orderq]
    movu    m1, [v2q + orderq + mmsize]
    mova    m4, [v1q + orderq]
    mova    m5, [v1q + orderq + mmsize]
    movu    m2, [v3q + orderq]
    movu    m3, [v3q + orderq + mmsize]
    pmaddwd m0, m4
    pmaddwd m1, m5
    pmullw  m2, m7
    pmullw  m3, m7
    paddd   m6, m0
    paddd   m6, m1
    paddw   m2, m4
    paddw   m3, m5
    mova    [v1q + orderq], m2
    mova    [v1q + orderq + mmsize], m3
    add     orderq, mmsize*2
    jl .loop
    HADDD   m6, m0
    movd   eax, m6
    RET

INIT_XMM sse4
; int ff_scalarproduct_and_madd_int32(int16_t *v1, int32_t *v2, int16_t *v3,
;                                     int order, int mul)
cglobal scalarproduct_and_madd_int32, 4,4,8, v1, v2, v3, order, mul
    shl orderd, 1
    movd    m7, mulm
    SPLATW  m7, m7
    pxor    m6, m6
    add v1q, orderq
    lea v2q, [v2q + 2*orderq]
    add v3q, orderq
    neg orderq
.loop:
    mova    m3, [v1q + orderq]
    movu    m0, [v2q + 2*orderq]
    pmovsxwd m4, m3
    movu    m1, [v2q + 2*orderq + mmsize]
    movhlps m5, m3
    movu    m2, [v3q + orderq]
    pmovsxwd m5, m5
    pmullw  m2, m7
    pmulld  m0, m4
    pmulld  m1, m5
    paddw   m2, m3
    paddd   m6, m0
    paddd   m6, m1
    mova    [v1q + orderq], m2
    add     orderq, 16
    jl .loop
    HADDD   m6, m0
    movd   eax, m6
    RET

%macro SCALARPRODUCT_LOOP 1
align 16
.loop%1:
    sub     orderq, mmsize*2
%if %1
    mova    m1, m4
    mova    m4, [v2q + orderq]
    mova    m0, [v2q + orderq + mmsize]
    palignr m1, m0, %1
    palignr m0, m4, %1
    mova    m3, m5
    mova    m5, [v3q + orderq]
    mova    m2, [v3q + orderq + mmsize]
    palignr m3, m2, %1
    palignr m2, m5, %1
%else
    mova    m0, [v2q + orderq]
    mova    m1, [v2q + orderq + mmsize]
    mova    m2, [v3q + orderq]
    mova    m3, [v3q + orderq + mmsize]
%endif
    %define t0  [v1q + orderq]
    %define t1  [v1q + orderq + mmsize]
%if ARCH_X86_64
    mova    m8, t0
    mova    m9, t1
    %define t0  m8
    %define t1  m9
%endif
    pmaddwd m0, t0
    pmaddwd m1, t1
    pmullw  m2, m7
    pmullw  m3, m7
    paddw   m2, t0
    paddw   m3, t1
    paddd   m6, m0
    paddd   m6, m1
    mova    [v1q + orderq], m2
    mova    [v1q + orderq + mmsize], m3
    jg .loop%1
%if %1
    jmp .end
%endif
%endmacro

; int ff_scalarproduct_and_madd_int16(int16_t *v1, int16_t *v2, int16_t *v3,
;                                     int order, int mul)
INIT_XMM ssse3
cglobal scalarproduct_and_madd_int16, 4,5,10, v1, v2, v3, order, mul
    shl orderd, 1
    movd    m7, mulm
    pshuflw m7, m7, 0
    punpcklqdq m7, m7
    pxor    m6, m6
    mov    r4d, v2d
    and    r4d, 15
    and    v2q, ~15
    and    v3q, ~15
    mova    m4, [v2q + orderq]
    mova    m5, [v3q + orderq]
    ; linear is faster than branch tree or jump table, because the branches taken are cyclic (i.e. predictable)
    cmp    r4d, 0
    je .loop0
    cmp    r4d, 2
    je .loop2
    cmp    r4d, 4
    je .loop4
    cmp    r4d, 6
    je .loop6
    cmp    r4d, 8
    je .loop8
    cmp    r4d, 10
    je .loop10
    cmp    r4d, 12
    je .loop12
SCALARPRODUCT_LOOP 14
SCALARPRODUCT_LOOP 12
SCALARPRODUCT_LOOP 10
SCALARPRODUCT_LOOP 8
SCALARPRODUCT_LOOP 6
SCALARPRODUCT_LOOP 4
SCALARPRODUCT_LOOP 2
SCALARPRODUCT_LOOP 0
.end:
    HADDD   m6, m0
    movd   eax, m6
    RET