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
|
/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2023, Nathan Egge
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DAV1D_SRC_RISCV_ASM_S
#define DAV1D_SRC_RISCV_ASM_S
#include "config.h"
#if !defined(PIC)
#if defined(__PIC__)
#define PIC __PIC__
#elif defined(__pic__)
#define PIC __pic__
#endif
#endif
#ifndef PRIVATE_PREFIX
#define PRIVATE_PREFIX dav1d_
#endif
#define PASTE(a,b) a ## b
#define CONCAT(a,b) PASTE(a,b)
#ifdef PREFIX
#define EXTERN CONCAT(_,PRIVATE_PREFIX)
#else
#define EXTERN PRIVATE_PREFIX
#endif
.macro function name, export=0, ext=
.macro endfunc
#ifdef __ELF__
.size \name, . - \name
#endif
.option pop
.purgem endfunc
.endm
.text
.option push
.ifnb \ext
.option arch, +\ext
.endif
.if \export
.global EXTERN\name
#ifdef __ELF__
.type EXTERN\name, %function
.hidden EXTERN\name
#elif defined(__MACH__)
.private_extern EXTERN\name
#endif
EXTERN\name:
.else
#ifdef __ELF__
.type \name, %function
#endif
.endif
\name:
.endm
.macro const name, export=0, align=2
.macro endconst
#ifdef __ELF__
.size \name, . - \name
#endif
.purgem endconst
.endm
#if defined(_WIN32)
.section .rdata
#elif !defined(__MACH__)
.section .rodata
#else
.const_data
#endif
.align \align
.if \export
.global EXTERN\name
#ifdef __ELF__
.hidden EXTERN\name
#elif defined(__MACH__)
.private_extern EXTERN\name
#endif
EXTERN\name:
.endif
\name:
.endm
.macro thread_local name, align=3, quads=1
.macro end_thread_local
.size \name, . - \name
.purgem end_thread_local
.endm
.section .tbss, "waT"
.align \align
.hidden \name
\name:
.rept \quads
.quad 0
.endr
end_thread_local
.endm
#endif /* DAV1D_SRC_RISCV_ASM_S */
|
