Function binary_arith

cranelift/interpreter/src/step.rs:1567–1586

Performs the supplied binary arithmetic `op` on two values, either vector or scalar.

(
    x: DataValue,
    y: DataValue,
    vector_type: types::Type,
    op: F,
)

/// Performs the supplied binary arithmetic `op` on two values, either vector or scalar.
fn binary_arith<F>(
    x: DataValue,
    y: DataValue,
    vector_type: types::Type,
    op: F,
) -> ValueResult<DataValue>
where
    F: Fn(DataValue, DataValue) -> ValueResult<DataValue>,
{
    let arg0 = extractlanes(&x, vector_type)?;
    let arg1 = extractlanes(&y, vector_type)?;

    let result = arg0
        .into_iter()
        .zip(arg1)
        .map(|(lhs, rhs)| Ok(op(lhs, rhs)?))
        .collect::<ValueResult<SimdVec<DataValue>>>()?;

    vectorizelanes(&result, vector_type)
}

/// Performs the supplied pairwise arithmetic `op` on two SIMD vectors, where
/// pairs are formed from adjacent vector elements and the vectors are