blob: 5959db43e7c9888141d8f1f587a0601b6fc9c02c (
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
|
/*
* Copyright 2015 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "asm_v_wasm.h"
#include "wasm.h"
namespace wasm {
Type asmToWasmType(AsmType asmType) {
switch (asmType) {
case ASM_INT:
return Type::i32;
case ASM_DOUBLE:
return Type::f64;
case ASM_FLOAT:
return Type::f32;
case ASM_INT64:
return Type::i64;
case ASM_NONE:
return Type::none;
case ASM_FLOAT32X4:
case ASM_FLOAT64X2:
case ASM_INT8X16:
case ASM_INT16X8:
case ASM_INT32X4:
return Type::v128;
}
WASM_UNREACHABLE("invalid type");
}
AsmType wasmToAsmType(Type type) {
switch (type) {
case i32:
return ASM_INT;
case f32:
return ASM_FLOAT;
case f64:
return ASM_DOUBLE;
case i64:
return ASM_INT64;
case v128:
assert(false && "v128 not implemented yet");
case funcref:
case anyref:
case nullref:
case exnref:
assert(false && "reference types are not supported by asm2wasm");
case none:
return ASM_NONE;
case unreachable:
WASM_UNREACHABLE("invalid type");
}
WASM_UNREACHABLE("invalid type");
}
char getSig(Type type) {
switch (type) {
case i32:
return 'i';
case i64:
return 'j';
case f32:
return 'f';
case f64:
return 'd';
case v128:
return 'V';
case funcref:
return 'F';
case anyref:
return 'A';
case nullref:
return 'N';
case exnref:
return 'E';
case none:
return 'v';
case unreachable:
WASM_UNREACHABLE("invalid type");
}
WASM_UNREACHABLE("invalid type");
}
std::string getSig(Function* func) {
return getSig(func->sig.results, func->sig.params);
}
std::string getSig(Type results, Type params) {
assert(!results.isMulti());
std::string sig;
sig += getSig(results);
for (Type t : params.expand()) {
sig += getSig(t);
}
return sig;
}
Expression* ensureDouble(Expression* expr, MixedArena& allocator) {
if (expr->type == f32) {
auto conv = allocator.alloc<Unary>();
conv->op = PromoteFloat32;
conv->value = expr;
conv->type = Type::f64;
return conv;
}
assert(expr->type == f64);
return expr;
}
} // namespace wasm
|
