env.cenv = chordal_env;
env.arch = chordal_env->birg->main_env->arch_env;
env.cls = chordal_env->cls;
- env.n_regs = arch_count_non_ignore_regs(env.arch, env.cls);
+ env.n_regs = env.cls->n_regs - be_put_ignore_regs(chordal_env->birg, chordal_env->cls, NULL);
env.ws = new_workset(&env, &env.ob);
env.uses = be_begin_uses(chordal_env->irg, chordal_env->lv, chordal_env->birg->main_env->arch_env, env.cls);
if(spill_env == NULL) {