X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbespill.c;h=fa542d9d22e33b0333d42bd6244f4409f5046405;hb=c7311e9112a4b5addacdc3de37be4b43b17908df;hp=cf2985d062f8bb8ed0cb7dcb9fca146536958b6f;hpb=0df5e0ea5d4d6a566339ac4b93a73719858e81e1;p=libfirm diff --git a/ir/be/bespill.c b/ir/be/bespill.c index cf2985d06..fa542d9d2 100644 --- a/ir/be/bespill.c +++ b/ir/be/bespill.c @@ -22,7 +22,6 @@ * @brief Spill module selection; Preparation steps * @author Matthias Braun * @date 29.09.2005 - * @version $Id$ */ #include "config.h" @@ -64,6 +63,7 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) unsigned *tmp = NULL; unsigned *def_constr = NULL; int arity = get_irn_arity(node); + ir_node *def; int i, i2; @@ -75,7 +75,7 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) */ for (i = 0; i < arity; ++i) { ir_node *op = get_irn_n(node, i); - const arch_register_req_t *req = arch_get_register_req(node, i); + const arch_register_req_t *req = arch_get_irn_register_req_in(node, i); const arch_register_t *reg; ir_node *copy; @@ -96,7 +96,7 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) if (rbitset_is_set(req->limited, reg->index)) continue; - copy = be_new_Copy(cls, block, op); + copy = be_new_Copy(block, op); stat_ev_int("constr_copy", 1); sched_add_before(node, copy); set_irn_n(node, i, copy); @@ -110,7 +110,7 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) ir_node *copy; const arch_register_req_t *req; - req = arch_get_register_req(node, i); + req = arch_get_irn_register_req_in(node, i); if (req->cls != cls) continue; @@ -125,7 +125,7 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) ir_node *in2; const arch_register_req_t *req2; - req2 = arch_get_register_req(node, i2); + req2 = arch_get_irn_register_req_in(node, i2); if (req2->cls != cls) continue; if (! (req2->type & arch_register_req_type_limited)) @@ -140,7 +140,7 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) if (rbitsets_equal(req->limited, req2->limited, cls->n_regs)) continue; - copy = be_new_Copy(cls, block, in); + copy = be_new_Copy(block, in); stat_ev_int("constr_copy", 1); sched_add_before(node, copy); @@ -152,27 +152,14 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) } /* collect all registers occurring in out constraints. */ - if (get_irn_mode(node) == mode_T) { - const ir_edge_t *edge; - - foreach_out_edge(node, edge) { - ir_node *proj = get_edge_src_irn(edge); - const arch_register_req_t *req = arch_get_register_req_out(proj); - if (! (req->type & arch_register_req_type_limited)) - continue; - - if (def_constr == NULL) { - rbitset_alloca(def_constr, cls->n_regs); - } - rbitset_or(def_constr, req->limited, cls->n_regs); - } - } else { - const arch_register_req_t *req = arch_get_register_req_out(node); - if (req->type & arch_register_req_type_limited) { + be_foreach_definition(node, cls, def, + if (! (req_->type & arch_register_req_type_limited)) + continue; + if (def_constr == NULL) { rbitset_alloca(def_constr, cls->n_regs); - rbitset_or(def_constr, req->limited, cls->n_regs); } - } + rbitset_or(def_constr, req_->limited, cls->n_regs); + ); /* no output constraints => we're good */ if (def_constr == NULL) { @@ -195,7 +182,7 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) * 2) lives through the node. * 3) is constrained to a register occurring in out constraints. */ - req = arch_get_register_req(node, i); + req = arch_get_irn_register_req_in(node, i); if (req->cls != cls) continue; if (!(req->type & arch_register_req_type_limited)) @@ -222,7 +209,7 @@ static void prepare_constr_insn(be_pre_spill_env_t *env, ir_node *node) if (be_is_Copy(in)) continue; - copy = be_new_Copy(cls, block, in); + copy = be_new_Copy(block, in); sched_add_before(node, copy); set_irn_n(node, i, copy); DBG((dbg, LEVEL_3, "inserting constr copy %+F for %+F pos %d\n", @@ -248,7 +235,7 @@ void be_pre_spill_prepare_constr(ir_graph *irg, env.irg = irg; env.cls = cls; - be_assure_liveness(irg); + be_assure_live_sets(irg); irg_block_walk_graph(irg, pre_spill_prepare_constr_walker, NULL, &env); }