wasmi 0.38.0

WebAssembly interpreter
Documentation 
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

use super::*;

const WASM_OP: WasmOp = WasmOp::cmp(WasmType::F64, "ne");

#[test]
#[cfg_attr(miri, ignore)]
fn same_reg() {
    // We cannot optimize `x != x` to `false` since `x != Nan` or `Nan != x` is always `true`.
    let expected = [
        Instruction::f64_ne(Reg::from(1), Reg::from(0), Reg::from(0)),
        Instruction::return_reg(Reg::from(1)),
    ];
    test_binary_same_reg(WASM_OP, expected)
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_reg() {
    test_binary_reg_reg(WASM_OP, Instruction::f64_ne)
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_imm() {
    test_binary_reg_imm32(WASM_OP, 1.0_f64, Instruction::f64_ne)
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_imm_lhs() {
    test_binary_reg_imm32_lhs_commutative(WASM_OP, 1.0_f64, Instruction::f64_ne)
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_nan() {
    test_binary_reg_imm_with(WASM_OP, f64::NAN, [Instruction::return_imm32(true)]).run()
}

#[test]
#[cfg_attr(miri, ignore)]
fn nan_reg() {
    test_binary_reg_imm_lhs_with(WASM_OP, f64::NAN, [Instruction::return_imm32(true)]).run()
}

#[test]
#[cfg_attr(miri, ignore)]
fn consteval() {
    test_binary_consteval(
        WASM_OP,
        1.0,
        1.0,
        [Instruction::ReturnImm32 {
            value: AnyConst32::from(false),
        }],
    );
    test_binary_consteval(
        WASM_OP,
        0.0,
        1.0,
        [Instruction::ReturnImm32 {
            value: AnyConst32::from(true),
        }],
    );
}