Method available

winch/codegen/src/regset.rs:127–130

(&self, class: RegClass)

    }

    fn available(&self, class: RegClass) -> bool {
        let bitset = &self[class];
        bitset.allocatable != 0
    }

    fn allocate(&mut self, class: RegClass, index: u64) {
        if !self.is_non_allocatable(class, index) {