X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbestate.c;h=eed145db0768d6a3ab3b09d6fbe6cd9566f504ca;hb=4614f17999007f93c7be926c2a2db232c78073ba;hp=81deb82025de26431e0c7b38a0aeedd9ba39874a;hpb=74dd7c3a1b43d9a789bcc9ac76e0a0215a881249;p=libfirm diff --git a/ir/be/bestate.c b/ir/be/bestate.c index 81deb8202..eed145db0 100644 --- a/ir/be/bestate.c +++ b/ir/be/bestate.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -186,7 +186,7 @@ void spill_phi(minibelady_env_t *env, ir_node *phi) /* create a new phi-M with bad preds */ for(i = 0; i < arity; ++i) { - in[i] = new_r_Bad(irg); + in[i] = new_r_Unknown(irg, mode_M); } DBG((dbg, LEVEL_2, "\tcreate Phi-M for %+F\n", phi)); @@ -268,7 +268,7 @@ block_info_t *compute_block_start_state(minibelady_env_t *env, ir_node *block) sched_foreach(block, node) { if (!is_Phi(node)) break; - if (arch_get_irn_register(env->arch_env, node) != env->reg) + if (arch_get_irn_register(node) != env->reg) continue; DBG((dbg, LEVEL_2, "\t...checking %+F\n", node)); @@ -318,7 +318,7 @@ block_info_t *compute_block_start_state(minibelady_env_t *env, ir_node *block) if(!mode_is_data(get_irn_mode(node))) continue; - if (arch_get_irn_register(env->arch_env, node) != env->reg) + if (arch_get_irn_register(node) != env->reg) continue; DBG((dbg, LEVEL_2, "\t...checking %+F\n", node)); @@ -403,13 +403,13 @@ void belady(minibelady_env_t *env, ir_node *block) /* check which state is desired for the node */ arity = get_irn_arity(node); for(i = 0; i < arity; ++i) { + const arch_register_t *reg; ir_node *in = get_irn_n(node, i); if(!mode_is_data(get_irn_mode(in))) continue; - const arch_register_t *reg = - arch_get_irn_register(env->arch_env, in); + reg = arch_get_irn_register(in); if(reg == env->reg) { assert(need_val == NULL); need_val = in; @@ -430,13 +430,13 @@ void belady(minibelady_env_t *env, ir_node *block) const ir_edge_t *edge; foreach_out_edge(node, edge) { + const arch_register_t *reg; ir_node *proj = get_edge_src_irn(edge); if(!mode_is_data(get_irn_mode(proj))) continue; - const arch_register_t *reg = - arch_get_irn_register(env->arch_env, proj); + reg = arch_get_irn_register(proj); if(reg == env->reg) { current_state = proj; DBG((dbg, LEVEL_3, "\t... current_state <- %+F\n", current_state)); @@ -444,8 +444,7 @@ void belady(minibelady_env_t *env, ir_node *block) } } else { if(mode_is_data(get_irn_mode(node))) { - const arch_register_t *reg = - arch_get_irn_register(env->arch_env, node); + const arch_register_t *reg = arch_get_irn_register(node); if(reg == env->reg) { current_state = node; DBG((dbg, LEVEL_3, "\t... current_state <- %+F\n", current_state)); @@ -542,7 +541,6 @@ void be_assure_state(be_irg_t *birg, const arch_register_t *reg, void *func_env, be_lv_t *lv = be_assure_liveness(birg); be_liveness_assure_sets(lv); - be_assure_dom_front(birg); /* construct control flow loop tree */ if(! (get_irg_loopinfo_state(irg) & loopinfo_cf_consistent)) { construct_cf_backedges(irg); @@ -560,8 +558,7 @@ void be_assure_state(be_irg_t *birg, const arch_register_t *reg, void *func_env, ir_nodemap_init(&env.spill_infos); assure_doms(irg); - set_using_visited(irg); - set_using_irn_link(irg); + ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED | IR_RESOURCE_IRN_LINK); inc_irg_visited(irg); /* process blocks */ @@ -570,8 +567,7 @@ void be_assure_state(be_irg_t *birg, const arch_register_t *reg, void *func_env, /* fix block end_states that don't match the next blocks start_state */ irg_block_walk_graph(irg, fix_block_borders, NULL, &env); - clear_using_visited(irg); - clear_using_irn_link(irg); + ir_free_resources(irg, IR_RESOURCE_IRN_VISITED | IR_RESOURCE_IRN_LINK); /* reconstruct ssa-form */ info = env.spills; @@ -605,7 +601,7 @@ void be_assure_state(be_irg_t *birg, const arch_register_t *reg, void *func_env, for(i = 0; i < len; ++i) { ir_node *phi = phis[i]; be_set_phi_flags(env.arch_env, phi, arch_irn_flags_ignore); - arch_set_irn_register(env.arch_env, phi, env.reg); + arch_set_irn_register(phi, env.reg); } be_ssa_construction_destroy(&senv);