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* sched-int.h (struct _dep): Rename field 'kind' to 'type'. (DEP_KIND): Rename to DEP_TYPE. Update all uses. (dep_def): New typedef. (init_dep_1, sd_debug_dep): Declare functions. (DEP_LINK_KIND): Rename to DEP_LINK_TYPE. (debug_dep_links): Remove. (struct _deps_list): New field 'n_links'. (DEPS_LIST_N_LINKS): New macro. (FOR_EACH_DEP_LINK): Remove. (create_deps_list, free_deps_list, delete_deps_list): Remove declaration. (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto. (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto. (copy_deps_list_change_con, move_dep_link): Ditto. (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps' and 'spec_back_deps'. New field 'resolved_forw_deps'. Remove field 'dep_count'. (INSN_BACK_DEPS): Remove. (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS): New macros. (INSN_DEP_COUNT): Remove. (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP. Fix comments. (spec_info, haifa_recovery_block_was_added_during_scheduling_p): Declare global variables. (deps_pools_are_empty_p, sched_free_deps): Declare functions. (add_forw_dep, compute_forward_dependences): Remove declarations. (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto. (add_back_forw_dep, delete_back_forw_dep): Ditto. (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare functions. (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW): New constants. (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto. (sd_list_types_def): New typedef. (sd_next_list): Declare function. (struct _sd_iterator): New type. (sd_iterator_def): New typedef. (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline functions. (FOR_EACH_DEP): New cycle wrapper. (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn): Declare functions. (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto. (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists): Ditto. * sched-deps.c (init_dep_1): Make global. (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New constants. (dump_dep): New static function. (dump_dep_flags): New static variable. (sd_debug_dep): New function. (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of the list. (move_dep_link): Use remove_from_deps_list (), instead of detach_dep_link (). (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove. (dep_link_is_detached_p): New static function. (deps_obstack, dl_obstack, dn_obstack): Remove. Use dn_pool, dl_pool instead. (dn_pool, dl_pool): New alloc_pools. (dn_pool_diff, dl_pool_diff): New static variables. (create_dep_node, delete_dep_node): New static function. (create_deps_list): Make it static. Use alloc_pool 'dl_pool'. (deps_list_empty_p): Make it static. Use 'n_links' field. (deps_pools_are_empty_p): New static function. (alloc_deps_list, delete_deps_list): Remove. (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove. (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto. (copy_deps_list_change_con): Remove. Use sd_copy_back_deps () instead. (forward_dependency_cache): Remove. (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove 'back' from the names. Change signature to use dep_t instead of equivalent quad. (add_back_dep): Ditto. Make global. (check_dep_status): Rename to check_dep (). (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn): New functions. (sd_finish_insn): Ditto. (sd_find_dep_between_no_cache): New static function. (sd_find_dep_between): New function. (ask_dependency_caches, set_dependency_caches): New static functions. (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto. (add_or_update_dep_1): Separate pieces of functionality into ask_dependency_caches (), update_dependency_caches (), change_spec_dep_to_hard (), update_dep (). (get_back_and_forw_lists): New static function. (sd_add_dep): Separate setting of dependency caches into set_dependency_caches (). (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps): New functions. (sd_delete_dep): Ditto. (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants. (dump_lists): New static function. (sd_debug_lists): New debug function. (delete_all_dependences, fixup_sched_groups): Update to use sd_* infrastructure. (sched_analyze_2): Create data-speculative dependency only if data-speculation is enabled. (sched_analyze_insn): If insn cannot be speculative, make all its dependencies non-speculative. (sched_analyze): Use sd_init_insn (). (add_forw_dep, compute_forward_dependencies): Remove. (delete_dep_nodes_in_back_deps): New static function. (sched_free_deps): New function. (init_dependency_caches): Init alloc_pools. (extend_depedency_caches): Update after removing of forward_dependency_cache. (free_dependency_caches): Ditto. Free alloc_pools. (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove. (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep): Ditto. (add_back_forw_dep, delete_back_forw_dep): Ditto. (add_dependence): Use init_dep (). (get_dep_weak_1): New static function. (get_dep_weak): Move logic to get_dep_weak_1 (). (dump_ds): New static function moved from haifa-sched.c: debug_spec_status (). (debug_ds): New debug function. (check_dep_status): Rename to check_dep (). Update to check whole dependencies. * haifa-sched.c (spec_info): Make global. (added_recovery_block_p): Rename to 'haifa_recovery_block_was_added_during_current_schedule_block_p'. (haifa_recovery_block_was_added_during_scheduling_p): New variable. (dep_cost, priority, rank_for_schedule, schedule_insn): Update to use new interfaces. (ok_for_early_queue_removal): Ditto. (schedule_block): Initialize logical uids of insns emitted by the target. (sched_init): Initialize new variable. (fix_inter_tick, try_ready, fix_tick_ready): Update to use new interfaces. (extend_global): Initialize insn data. (init_h_i_d): Remove code that is now handled in sd_init_insn (). (process_insn_forw_deps_be_in_spec): Change signature. Update to use new interfaces. (add_to_speculative_block): Update to use new interfaces. (create_recovery_block): Set new variables. (create_check_block_twin, fix_recovery_deps): Update to use new interfaces. (sched_insn_is_legitimate_for_speculation_p): New function. (speculate_insn): Move checking logic to sched_insn_is_legitimate_for_speculation_p (). (sched_remove_insn): Finalize sched-deps information of instruction. (clear_priorities, add_jump_dependencies): Update to use new interfaces. (debug_spec_status): Rename to dump_ds () and move to sched-deps.c. * sched-rgn.c (set_spec_fed, find_conditional_protection): Update to use new interfaces. (is_conditionally_protected, is_pfree, is_prisky) Ditto. (new_ready): Try to use control speculation only if it is available. (add_branch_dependences): Update to use new interfaces. (compute_block_backward_dependences): Rename to compute_block_dependences (). Call targetm.sched.dependencies_evaluation_hook (). (free_block_dependencies): New static function. (debug_dependencies): Update to use new interfaces. (schedule_region): Remove separate computation of forward dependencies. Move call of targetm.sched.dependencies_evaluation_hook () to compute_block_dependences (). Free dependencies at the end of scheduling the region. * sched-ebb.c (earliest_block_with_similiar_load): Update to use new interfaces. (add_deps_for_risky_insns): Ditto. (schedule_ebb): Remove separate computation of forward dependencies. Free dependencies at the end of scheduling the ebb. * ddg.c (create_ddg_dependence): Update to use new interfaces. (build_intra_loop_deps): Ditto. Remove separate computation of forward dependencies. Free sched-deps dependencies. * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update to use new interfaces. (ia64_dfa_new_cycle, ia64_gen_check): Ditto. * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use new interfaces. (is_costly_group): Ditto. From-SVN: r127405
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