wasmi 0.36.0

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

use super::*;
use crate::engine::bytecode::Sign;

const WASM_OP: WasmOp = WasmOp::binary(WasmType::F64, "copysign");

#[test]
#[cfg_attr(miri, ignore)]
fn reg_reg() {
    test_binary_reg_reg(WASM_OP, Instruction::f64_copysign)
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_imm() {
    fn make_instrs(sign: Sign) -> [Instruction; 2] {
        [
            Instruction::f64_copysign_imm(Register::from_i16(1), Register::from_i16(0), sign),
            Instruction::return_reg(1),
        ]
    }
    test_binary_reg_imm_with(WASM_OP, 1.0_f64, make_instrs(Sign::Pos)).run();
    test_binary_reg_imm_with(WASM_OP, -1.0_f64, make_instrs(Sign::Neg)).run();
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_imm_rev() {
    test_binary_reg_imm32_rev(WASM_OP, 1.0_f64, Instruction::f64_copysign)
}

#[test]
#[cfg_attr(miri, ignore)]
fn consteval() {
    let lhs = 13.0_f64;
    testcase_binary_consteval(WASM_OP, lhs, 1.0)
        .expect_func(ExpectedFunc::new([return_f64imm32_instr(lhs)]))
        .run();
    testcase_binary_consteval(WASM_OP, lhs, -1.0)
        .expect_func(ExpectedFunc::new([return_f64imm32_instr(-lhs)]))
        .run();
}