my.normal_colors = bitset_alloca(arch_register_class_n_regs(co->cls));
bitset_clear_all(my.normal_colors);
arch_put_non_ignore_regs(co->cls, my.normal_colors);
my.normal_colors = bitset_alloca(arch_register_class_n_regs(co->cls));
bitset_clear_all(my.normal_colors);
arch_put_non_ignore_regs(co->cls, my.normal_colors);