+
+be_insn_env_t *be_insn_env_init(be_insn_env_t *ie, const be_irg_t *birg, const arch_register_class_t *cls, struct obstack *obst)
+{
+ ie->aenv = birg->main_env->arch_env;
+ ie->cls = cls;
+ ie->obst = obst;
+ ie->ignore_colors = bitset_obstack_alloc(obst, cls->n_regs);
+ be_abi_put_ignore_regs(birg->abi, cls, ie->ignore_colors);
+ return ie;
+}