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
|
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "textflag.h"
TEXT runtime·wasmMove(SB), NOSPLIT, $0-0
loop:
Loop
// *dst = *src
Get R0
Get R1
I64Load $0
I64Store $0
// n--
Get R2
I32Const $1
I32Sub
Tee R2
// n == 0
I32Eqz
If
Return
End
// dst += 8
Get R0
I32Const $8
I32Add
Set R0
// src += 8
Get R1
I32Const $8
I32Add
Set R1
Br loop
End
UNDEF
TEXT runtime·wasmZero(SB), NOSPLIT, $0-0
loop:
Loop
// *dst = 0
Get R0
I64Const $0
I64Store $0
// n--
Get R1
I32Const $1
I32Sub
Tee R1
// n == 0
I32Eqz
If
Return
End
// dst += 8
Get R0
I32Const $8
I32Add
Set R0
Br loop
End
UNDEF
TEXT runtime·wasmDiv(SB), NOSPLIT, $0-0
Get R0
I64Const $-0x8000000000000000
I64Eq
If
Get R1
I64Const $-1
I64Eq
If
I64Const $-0x8000000000000000
Return
End
End
Get R0
Get R1
I64DivS
Return
TEXT runtime·wasmTruncS(SB), NOSPLIT, $0-0
Get R0
Get R0
F64Ne // NaN
If
I64Const $0x8000000000000000
Return
End
Get R0
F64Const $0x7ffffffffffffc00p0 // Maximum truncated representation of 0x7fffffffffffffff
F64Gt
If
I64Const $0x8000000000000000
Return
End
Get R0
F64Const $-0x7ffffffffffffc00p0 // Minimum truncated representation of -0x8000000000000000
F64Lt
If
I64Const $0x8000000000000000
Return
End
Get R0
I64TruncF64S
Return
TEXT runtime·wasmTruncU(SB), NOSPLIT, $0-0
Get R0
Get R0
F64Ne // NaN
If
I64Const $0x8000000000000000
Return
End
Get R0
F64Const $0xfffffffffffff800p0 // Maximum truncated representation of 0xffffffffffffffff
F64Gt
If
I64Const $0x8000000000000000
Return
End
Get R0
F64Const $0.
F64Lt
If
I64Const $0x8000000000000000
Return
End
Get R0
I64TruncF64U
Return
TEXT runtime·exitThread(SB), NOSPLIT, $0-0
UNDEF
TEXT runtime·osyield(SB), NOSPLIT, $0-0
UNDEF
TEXT runtime·usleep(SB), NOSPLIT, $0-0
RET // TODO(neelance): implement usleep
TEXT runtime·currentMemory(SB), NOSPLIT, $0
Get SP
CurrentMemory
I32Store ret+0(FP)
RET
TEXT runtime·growMemory(SB), NOSPLIT, $0
Get SP
I32Load pages+0(FP)
GrowMemory
I32Store ret+8(FP)
RET
TEXT ·resetMemoryDataView(SB), NOSPLIT, $0
CallImport
RET
TEXT ·wasmExit(SB), NOSPLIT, $0
CallImport
RET
TEXT ·wasmWrite(SB), NOSPLIT, $0
CallImport
RET
TEXT ·nanotime1(SB), NOSPLIT, $0
CallImport
RET
TEXT ·walltime(SB), NOSPLIT, $0
CallImport
RET
TEXT ·scheduleTimeoutEvent(SB), NOSPLIT, $0
CallImport
RET
TEXT ·clearTimeoutEvent(SB), NOSPLIT, $0
CallImport
RET
TEXT ·getRandomData(SB), NOSPLIT, $0
CallImport
RET
|
