- memset(env, 0, sizeof(*env));
- env->isa = isa_if->init(file_handle);
- env->isa->main_env = main_env;
- return env;
-}
-
-arch_env_t *arch_env_push_irn_handler(arch_env_t *env,
- const arch_irn_handler_t *handler)
-{
- assert(env->handlers_tos < ARCH_MAX_HANDLERS);
- env->handlers[env->handlers_tos++] = handler;
- return env;
-}
-
-const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env)
-{
- assert(env->handlers_tos > 0 && env->handlers_tos <= ARCH_MAX_HANDLERS);
- return env->handlers[--env->handlers_tos];
-}
-
-static const arch_irn_ops_t *fallback_irn_ops = NULL;
-
-int arch_register_class_put(const arch_register_class_t *cls, bitset_t *bs)
-{
- if(bs) {
- int i, n;
- for(i = 0, n = cls->n_regs; i < n; ++i)
- bitset_set(bs, i);
- }
-
- return cls->n_regs;