wasmi 0.36.0

WebAssembly interpreter
Documentation 
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use super::*;

const WASM_OP: WasmOp = WasmOp::binary(WasmType::F32, "sub");

#[test]
#[cfg_attr(miri, ignore)]
fn reg_reg() {
    test_binary_reg_reg(WASM_OP, Instruction::f32_sub)
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_imm() {
    test_binary_reg_imm32(WASM_OP, 1.0_f32, Instruction::f32_sub)
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_imm_rev() {
    test_binary_reg_imm32_rev(WASM_OP, 1.0_f32, Instruction::f32_sub)
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_nan() {
    test_binary_reg_imm_with(WASM_OP, f32::NAN, [Instruction::return_imm32(f32::NAN)]).run()
}

#[test]
#[cfg_attr(miri, ignore)]
fn nan_reg() {
    test_binary_reg_imm_rev_with(WASM_OP, f32::NAN, [Instruction::return_imm32(f32::NAN)]).run()
}

#[test]
#[cfg_attr(miri, ignore)]
fn reg_zero() {
    // We cannot optimize `x - 0` -> `x` because `-0 - 0` -> `0` according to IEEE.
    let expected = [
        Instruction::f32_sub(
            Register::from_i16(1),
            Register::from_i16(0),
            Register::from_i16(-1),
        ),
        Instruction::return_reg(1),
    ];
    testcase_binary_reg_imm(WASM_OP, 0.0_f32)
        .expect_func(ExpectedFunc::new(expected).consts([0.0_f32]))
        .run()
}

#[test]
#[cfg_attr(miri, ignore)]
fn consteval() {
    let lhs = 13.0_f32;
    let rhs = 5.5;
    test_binary_consteval(
        WASM_OP,
        lhs,
        rhs,
        [Instruction::ReturnImm32 {
            value: AnyConst32::from(lhs - rhs),
        }],
    )
}