const use_thumb_x = switch (builtin.arch) {
    builtin.Arch.arm,
    builtin.Arch.armeb,
    builtin.Arch.thumb,
    builtin.Arch.thumbeb,
    => |value| switch (value) {
            builtin.Arch.Arm32.v6,
            builtin.Arch.Arm32.v6m,
            builtin.Arch.Arm32.v6k,
            builtin.Arch.Arm32.v6t2,
            => true,
            else => false,
        },
    else => false,
};