X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbelistsched.h;h=56880dbfb390ab97ff5fc84e383448a2ba1b59d9;hb=48f0393daa5d5a14ed7e3e32ee2b090759c9371e;hp=514ef3e1895cb9bd34c31a57fd11b5df5e225134;hpb=f218b1a471440f4d753c1ab59725f166f73da05d;p=libfirm diff --git a/ir/be/belistsched.h b/ir/be/belistsched.h index 514ef3e18..56880dbfb 100644 --- a/ir/be/belistsched.h +++ b/ir/be/belistsched.h @@ -7,10 +7,13 @@ #ifndef _FIRM_LIST_SCHED #define _FIRM_LIST_SCHED +#include "firm_config.h" + #include "firm_types.h" #include "benodesets.h" #include "bearch_t.h" +#include "be.h" typedef struct _list_sched_selector_t list_sched_selector_t; @@ -31,8 +34,8 @@ struct _list_sched_selector_t { /** * Called before scheduling starts on a block. - * @param graph_env The environment. - * @param block The block which is to be scheduled. + * @param graph_env The environment. + * @param block The block which is to be scheduled. * @return A per-block pointer that is additionally passed to select. */ void *(*init_block)(void *graph_env, ir_node *block); @@ -42,15 +45,13 @@ struct _list_sched_selector_t { * It picks one node out of the ready list to be scheduled next. * The function does not have to delete the node from the ready set. * - * @return block_env Some private information as returned by init_block(). - * @param sched_head The schedule so far. - * @param curr_time The current time step which the picked node - * will be assigned to. - * @param ready_list A set containing all ready nodes. Pick one of these - * nodes. + * @param block_env Some private information as returned by init_block(). + * @param sched_head The schedule so far. + * @param ready_set A set containing all ready nodes. Pick one of these nodes. + * @param live_set A set containing all nodes currently alive. * @return The chosen node. */ - ir_node *(*select)(void *block_env, nodeset *ready_set); + ir_node *(*select)(void *block_env, nodeset *ready_set, nodeset *live_set); /** * This function decides, if a node should appear in a schedule. @@ -60,6 +61,38 @@ struct _list_sched_selector_t { */ int (*to_appear_in_schedule)(void *block_env, const ir_node *irn); + /** + * This function gets executed after a node finally has been made ready. + * @param block_env The block environment. + * @param irn The node made ready. + * @param pred The previously scheduled node. + */ + void (*node_ready)(void *block_env, ir_node *irn, ir_node *pred); + + /** + * This function gets executed after a node finally has been selected. + * @param block_env The block environment. + * @param irn The selected node. + */ + void (*node_selected)(void *block_env, ir_node *irn); + + /** + * Returns the execution time of node irn. + */ + unsigned (*exectime)(void *block_env, const ir_node *irn); + + /** + * Calculates the latency of executing cycle curr_cycle of node curr in cycle pred_cycle + * of node pred. + * + * @param block_env The block environment. + * @param pred The previous node. + * @param pred_cycle The previous node execution cycle. + * @param curr The current node. + * @param curr_cycle The current node execution cycle. + */ + unsigned (*latency)(void *block_env, const ir_node *pred, int pred_cycle, const ir_node *curr, int curr_cycle); + /** * Called after a block has been scheduled. * @param env The environment. @@ -81,20 +114,43 @@ struct _list_sched_selector_t { */ extern const list_sched_selector_t *trivial_selector; +extern const list_sched_selector_t *random_selector; + /** * A selector that tries to minimize the register pressure. * @note Not really operational yet. */ extern const list_sched_selector_t *reg_pressure_selector; +/** + * A selector based on trace scheduling as introduced by Muchnik[TM] + */ +extern const list_sched_selector_t *muchnik_selector; + +/** + * A selector based on trace scheduling as introduced by Muchnik[TM] + * but using the mueller heuristic selector. + */ +extern const list_sched_selector_t *heuristic_selector; + /** * List schedule a graph. * Each block in the graph gets a list head to its link field being the * head of the schedule. You can walk this list using the functions in * list.h. - * @param arch_env The architecture environment. - * @param irg The graph to schedule. + * + * @param birg The backend irg. + * @param enable_mris Flag indicating if mris preparation should be done + */ +void list_sched(const be_irg_t *birg, be_options_t *be_opts); + +#ifdef WITH_LIBCORE +#include + +/** + * Register list scheduler options. */ -void list_sched(const arch_env_t *arch_env, ir_graph *irg); +void list_sched_register_options(lc_opt_entry_t *grp); +#endif /* WITH_LIBCORE */ #endif /* _FIRM_LIST_SCHED */