typedef enum _arch_irn_flags_t {
arch_irn_flags_none = 0, /**< Node flags. */
arch_irn_flags_dont_spill = 1, /**< This must not be spilled. */
- arch_irn_flags_rematerializable = 2, /**< This should be replicated instead of spilled/reloaded. */
+ arch_irn_flags_rematerializable = 2, /**< This can be replicated instead of spilled/reloaded. */
arch_irn_flags_ignore = 4, /**< Ignore node during register allocation. */
arch_irn_flags_modify_sp = 8, /**< I modify the stack pointer. */
arch_irn_flags_last = arch_irn_flags_modify_sp
*/
extern void arch_put_non_ignore_regs(const arch_env_t *env, const arch_register_class_t *cls, bitset_t *bs);
-/**
- * Return the number of registers in a register class which should not be
- * ignored by the register allocator.
- * @param env The architecture environment.
- * @param cls The register class to consider
- * @return The number of non-ignore registers in the register class
- */
-extern int arch_count_non_ignore_regs(const arch_env_t *env, const arch_register_class_t *cls);
-
/**
* Check, if a register is assignable to an operand of a node.
* @param env The architecture environment.
const arch_code_generator_if_t *(*get_code_generator_if)(void *self);
/**
- * Get the list scheduler to use.
- * @param self The isa object.
+ * Get the list scheduler to use. There is already a selector given, the
+ * backend is free to modify and/or ignore it.
+ *
+ * @param self The isa object.
+ * @param selector The selector given by options.
* @return The list scheduler selector.
*/
- const list_sched_selector_t *(*get_list_sched_selector)(const void *self);
+ const list_sched_selector_t *(*get_list_sched_selector)(const void *self, list_sched_selector_t *selector);
/**
* Get the necessary alignment for storing a register of given class.
*/
extern const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env);
-
#endif /* _FIRM_BEARCH_H */