X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbestate.c;h=3daf4bdfd30eba8b2c9b820675fde596f61d6ab1;hb=3bb47464dc990c9def630a208a12da1bdd035bbb;hp=521929d8321e714f307a726218a01f9dc604f1f7;hpb=fe43982e128771c98ee2b2d4fcc77881e72080e5;p=libfirm diff --git a/ir/be/bestate.c b/ir/be/bestate.c index 521929d83..3daf4bdfd 100644 --- a/ir/be/bestate.c +++ b/ir/be/bestate.c @@ -47,6 +47,7 @@ #include "belive_t.h" #include "bemodule.h" #include "benode.h" +#include "beirgmod.h" #include "bessaconstr.h" DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;) @@ -160,7 +161,7 @@ static void spill_phi(minibelady_env_t *env, ir_node *phi) ir_graph *irg = get_irn_irg(phi); ir_node *block = get_nodes_block(phi); int arity = get_irn_arity(phi); - ir_node **in = ALLOCAN(ir_node*, arity); + ir_node **phi_in = ALLOCAN(ir_node*, arity); ir_node *dummy = new_r_Dummy(irg, mode_M); ir_node *spill_to_kill = NULL; spill_info_t *spill_info; @@ -176,13 +177,14 @@ static 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] = dummy; + phi_in[i] = dummy; } DBG((dbg, LEVEL_2, "\tcreate Phi-M for %+F\n", phi)); /* create a Phi-M */ - spill_info->spill = new_r_Phi(block, arity, in, mode_M); + spill_info->spill = be_new_Phi(block, arity, phi_in, mode_M, NULL); + sched_add_after(block, spill_info->spill); if (spill_to_kill != NULL) { exchange(spill_to_kill, spill_info->spill); @@ -203,7 +205,7 @@ static void belady(minibelady_env_t *env, ir_node *block); * Collects all values live-in at block @p block and all phi results in this * block. * Then it adds the best values (at most n_regs) to the blocks start_workset. - * The phis among the remaining values get spilled: Introduce psudo-copies of + * The phis among the remaining values get spilled: Introduce pseudo-copies of * their args to break interference and make it possible to spill them to the * same spill slot. */ @@ -405,8 +407,9 @@ static void belady(minibelady_env_t *env, ir_node *block) } /* create a reload to match state if necessary */ if (need_val != NULL && need_val != current_state) { + ir_node *before = node; DBG((dbg, LEVEL_3, "\t... reloading %+F\n", need_val)); - create_reload(env, need_val, node, current_state); + create_reload(env, need_val, before, current_state); current_state = need_val; } @@ -526,10 +529,7 @@ void be_assure_state(ir_graph *irg, const arch_register_t *reg, void *func_env, be_lv_t *lv = be_assure_liveness(irg); be_liveness_assure_sets(lv); - /* construct control flow loop tree */ - if (! (get_irg_loopinfo_state(irg) & loopinfo_cf_consistent)) { - construct_cf_backedges(irg); - } + assure_loopinfo(irg); obstack_init(&env.obst); env.reg = reg; @@ -557,7 +557,7 @@ void be_assure_state(ir_graph *irg, const arch_register_t *reg, void *func_env, info = env.spills; while (info != NULL) { be_ssa_construction_env_t senv; - int i, len; + size_t i, len; ir_node **phis; be_ssa_construction_init(&senv, irg); @@ -599,7 +599,7 @@ void be_assure_state(ir_graph *irg, const arch_register_t *reg, void *func_env, obstack_free(&env.obst, NULL); } -BE_REGISTER_MODULE_CONSTRUCTOR(be_init_state); +BE_REGISTER_MODULE_CONSTRUCTOR(be_init_state) void be_init_state(void) { FIRM_DBG_REGISTER(dbg, "firm.be.state");