Method bitwise_eq

cranelift/codegen/src/data_value.rs:266–280

Performs a bitwise comparison over the contents of [DataValue]. Returns true if all bits are equal. This behaviour is different from PartialEq for NaN floats.

(&self, other: &DataValue)

    ///
    /// This behaviour is different from PartialEq for NaN floats.
    pub fn bitwise_eq(&self, other: &DataValue) -> bool {
        match (self, other) {
            // We need to bit compare the floats to ensure that we produce the correct values
            // on NaN's. The test suite expects to assert the precise bit pattern on NaN's or
            // works around it in the tests themselves.
            (DataValue::F16(a), DataValue::F16(b)) => a.bits() == b.bits(),
            (DataValue::F32(a), DataValue::F32(b)) => a.bits() == b.bits(),
            (DataValue::F64(a), DataValue::F64(b)) => a.bits() == b.bits(),
            (DataValue::F128(a), DataValue::F128(b)) => a.bits() == b.bits(),

            // We don't need to worry about F32x4 / F64x2 Since we compare V128 which is already the
            // raw bytes anyway
            (a, b) => a == b,
        }
    }
}

/// Record failures to cast [DataValue].