X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbesched.c;h=8e88f39bdfee42c25dccff0eee90e7e18a6355c2;hb=3f807bf48426a29da4129ff29c44a4b4690c45f6;hp=1ad2130ccf551c02c6a782ec4f1ecfb62c6d5775;hpb=205396c4f4f5abe7abd6dc2350c8c398a7623afc;p=libfirm diff --git a/ir/be/besched.c b/ir/be/besched.c index 1ad2130cc..8e88f39bd 100644 --- a/ir/be/besched.c +++ b/ir/be/besched.c @@ -1,5 +1,28 @@ -/* $Id$ */ +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ +/** + * @file + * @brief Scheduling utilities for nodes in Blocks and Blocks. + * @author Sebastian Hack + * @version $Id$ + */ #ifdef HAVE_CONFIG_H # include "config.h" #endif @@ -16,6 +39,7 @@ #include "iredges_t.h" #include "ircons.h" #include "irextbb.h" +#include "irgmod.h" #include "debug.h" #include "bemodule.h" @@ -24,6 +48,7 @@ #include "beutil.h" #include "belistsched.h" +FIRM_IMPL1(have_sched_info, int, const ir_graph *) FIRM_IMPL1(sched_get_time_step, int, const ir_node *) FIRM_IMPL1(sched_has_next, int, const ir_node *) FIRM_IMPL1(sched_has_prev, int, const ir_node *) @@ -32,12 +57,12 @@ FIRM_IMPL1(sched_prev, ir_node *, const ir_node *) FIRM_IMPL1(sched_is_scheduled, int, const ir_node *) FIRM_IMPL1(sched_first, ir_node *, const ir_node *) FIRM_IMPL1(sched_last, ir_node *, const ir_node *) -FIRM_IMPL2(sched_add_after, ir_node *, ir_node *, ir_node *) -FIRM_IMPL2(sched_add_before, ir_node *, ir_node *, ir_node *) -FIRM_IMPL1_VOID(sched_init_block, ir_node *) -FIRM_IMPL1_VOID(sched_reset, ir_node *) +FIRM_IMPL2_VOID(sched_add_after, const ir_node *, const ir_node *) +FIRM_IMPL2_VOID(sched_add_before, const ir_node *, const ir_node *) +FIRM_IMPL1_VOID(sched_init_block, const ir_node *) +FIRM_IMPL1_VOID(sched_reset, const ir_node *) FIRM_IMPL2(sched_comes_after, int, const ir_node *, const ir_node *) -FIRM_IMPL1_VOID(sched_remove, ir_node *) +FIRM_IMPL1_VOID(sched_remove, const ir_node *) size_t sched_irn_data_offset = 0; @@ -62,7 +87,7 @@ void be_sched_dump(FILE *f, ir_graph *irg) /* Init the scheduling stuff. */ void be_init_sched(void) { - sched_irn_data_offset = register_additional_node_data(sizeof(sched_info_t)); + sched_irn_data_offset = firm_register_additional_node_data(sizeof(sched_info_t)); } BE_REGISTER_MODULE_CONSTRUCTOR(be_init_sched); @@ -86,13 +111,14 @@ int sched_skip_cf_predicator(const ir_node *irn, void *data) { } int sched_skip_phi_predicator(const ir_node *irn, void *data) { + (void) data; return is_Phi(irn); } /* Skip nodes in a schedule. */ ir_node *sched_skip(ir_node *from, int forward, sched_predicator_t *predicator, void *data) { - const ir_node *bl = get_block(from); + const ir_node *bl = get_block_const(from); ir_node *curr; if (forward) { @@ -113,8 +139,9 @@ ir_node *sched_skip(ir_node *from, int forward, sched_predicator_t *predicator, //--------------------------------------------------------------------------- typedef struct remove_dead_nodes_env_t_ { - ir_graph *irg; bitset_t *reachable; + ir_graph *irg; + be_lv_t *lv; } remove_dead_nodes_env_t; /** @@ -142,16 +169,21 @@ static void remove_dead_nodes_walker(ir_node *block, void *data) if (bitset_is_set(env->reachable, get_irn_idx(node))) continue; + if(env->lv) + be_liveness_remove(env->lv, node); sched_remove(node); - be_kill_node(node); + kill_node(node); } } -void be_remove_dead_nodes_from_schedule(ir_graph *irg) +void be_remove_dead_nodes_from_schedule(be_irg_t *birg) { + ir_graph *irg = be_get_birg_irg(birg); + remove_dead_nodes_env_t env; - env.irg = irg; env.reachable = bitset_alloca(get_irg_last_idx(irg)); + env.lv = be_get_birg_liveness(birg); + env.irg = irg; // mark all reachable nodes irg_walk_graph(irg, mark_dead_nodes_walker, NULL, &env); @@ -159,3 +191,24 @@ void be_remove_dead_nodes_from_schedule(ir_graph *irg) // walk schedule and remove non-marked nodes irg_block_walk_graph(irg, remove_dead_nodes_walker, NULL, &env); } + +static void *sched_irn_init(ir_phase *ph, const ir_node *irn, void *old) +{ + sched_info_t *info = old ? old : phase_alloc(ph, sizeof(*info)); + + info->idx = get_irn_idx(irn); + INIT_LIST_HEAD(&info->list); + info->scheduled = 0; + info->time_step = 0; + return info; +} + +void be_sched_init_phase(ir_graph *irg) +{ + init_irg_phase(irg, PHASE_BE_SCHED, 0, sched_irn_init); +} + +void be_sched_free_phase(ir_graph *irg) +{ + free_irg_phase(irg, PHASE_BE_SCHED); +}