X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ir%2Fbe%2Fbecopyopt.h;h=07e52bb38db5ffd375ce0e871021c43e605fc57b;hb=e03dd955762d16d38fdec0e2d7c24bf36d0ecc2e;hp=5dd61ec89087391f33445bad649122d37e1d87e8;hpb=8ad8020b3352b471f4e1b18bb5e044f657aa3163;p=libfirm diff --git a/ir/be/becopyopt.h b/ir/be/becopyopt.h index 5dd61ec89..07e52bb38 100644 --- a/ir/be/becopyopt.h +++ b/ir/be/becopyopt.h @@ -29,10 +29,13 @@ #include "bechordal_t.h" #include "bearch.h" -#define DEBUG_IRG "NONE spec.c__main__datab" -#define DEBUG_LVL_CO LEVEL_1 -#define DEBUG_LVL_HEUR LEVEL_1 -#define DEBUG_LVL_ILP LEVEL_1 +#define DEBUG_IRG "!!deflate.c__longest_match__datab" +#define DEBUG_IRG_LVL_CO SET_LEVEL_1 +#define DEBUG_IRG_LVL_HEUR SET_LEVEL_1 +#define DEBUG_IRG_LVL_ILP SET_LEVEL_1 +#define DEBUG_LVL_CO SET_LEVEL_0 +#define DEBUG_LVL_HEUR SET_LEVEL_0 +#define DEBUG_LVL_ILP SET_LEVEL_0 typedef int(*cost_fct_t)(ir_node*, ir_node*, int); @@ -57,21 +60,23 @@ typedef struct _unit_t { int node_count; /**< size of the nodes array */ ir_node **nodes; /**< [0] is the root-node, others are non interfering args of it. */ int *costs; /**< costs[i] are arising, if nodes[i] has a different color */ - int complete_costs; /**< sum of all costs[i] */ - int minimal_costs; /**< a lower bound for this ou, considering only ifg (not coloring conflicts) */ - - int sort_key; /**< maximum costs. controls the order of ou's. */ + int inevitable_costs; /**< sum of costs of all args interfering with root */ + int all_nodes_costs; /**< sum of all costs[i] */ + int min_nodes_costs; /**< a lower bound for the costs in costs[], determined by a max indep. set */ + int sort_key; /**< maximum costs. controls the order of ou's in the struct list_head units. */ /* for heuristic */ - struct list_head queue; /**< list of (mis/color) sorted by size of mis */ + struct list_head queue; /**< list of qn's sorted by weight of qn-mis */ } unit_t; /* Helpers */ +#define get_arch_env(co) ((co)->chordal_env->session_env->main_env->arch_env) +#define get_irg(co) ((co)->chordal_env->session_env->irg) +#define get_irn_col(co, irn) \ + arch_register_get_index(arch_get_irn_register(get_arch_env(co), irn, 0)) #define set_irn_col(co, irn, col) \ - arch_set_irn_register(co->chordal_env->arch_env, irn, 0, arch_register_for_index(co->chordal_env->cls, col)) + arch_set_irn_register(get_arch_env(co), irn, 0, arch_register_for_index(co->chordal_env->cls, col)) -#define get_irn_col(co, irn) \ - arch_register_get_index(arch_get_irn_register(co->chordal_env->arch_env, irn, 0)) #define list_entry_units(lh) list_entry(lh, unit_t, units) @@ -102,7 +107,7 @@ void free_copy_opt(copy_opt_t *co); /** * Checks if a node is optimizable, viz. is a target of a 'copy-op' */ -#define is_optimizable(arch_env, irn) (is_Phi(irn) || is_Copy(arch_env, irn)) +#define is_optimizable(arch_env, irn) ((is_Phi(irn) && mode_is_datab(get_irn_mode(irn))) || is_Copy(arch_env, irn)) /** * Checks if the irn is a non-interfering argument of a node which 'is_optimizable' @@ -125,13 +130,28 @@ int get_costs_loop_depth(ir_node *root, ir_node* arg, int pos); int get_costs_all_one(ir_node *root, ir_node* arg, int pos); /** - * Returns the current costs the copies are causing + * Returns the maximal costs possible, i.e. the costs if all + * pairs would be assigned different registers. + */ +int co_get_max_copy_costs(const copy_opt_t *co); + +/** + * Returns the inevitable costs, i.e. the costs of + * all copy pairs which interfere. + */ +int co_get_inevit_copy_costs(const copy_opt_t *co); + +/** + * Returns the current costs the copies are causing. + * The result includes inevitable costs and the costs + * of the copies regarding the current register allocation */ int co_get_copy_costs(const copy_opt_t *co); /** - * Returns a lower bound for the costs of copies based on interfering - * arguments and the size of a max indep. set (only ifg-edges) of the other args. + * Returns a lower bound for the costs of copies in this ou. + * The result includes inevitable costs and the costs of a + * minimal costs caused by the nodes of the ou. */ int co_get_lower_bound(const copy_opt_t *co); @@ -143,6 +163,6 @@ void co_heur_opt(copy_opt_t *co); /** * Solves the problem using mixed integer programming */ -void co_ilp_opt(copy_opt_t *co); +void co_ilp_opt(copy_opt_t *co, double time_limit); #endif