-/**
- * transform reload node => load
- */
-static void transform_Reload(ir_node *node)
-{
- ir_node *block = get_nodes_block(node);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *ptr = get_irn_n(node, be_pos_Spill_frame);
- ir_node *mem = get_irn_n(node, be_pos_Reload_mem);
- ir_mode *mode = get_irn_mode(node);
- ir_entity *entity = be_get_frame_entity(node);
- const arch_register_t *reg;
- ir_node *proj;
- ir_node *load;
-
- ir_node *sched_point = sched_prev(node);
-
- load = new_bd_sparc_Ld_imm(dbgi, block, ptr, mem, mode, entity, 0, true);
- sched_add_after(sched_point, load);
- sched_remove(node);
-
- proj = new_rd_Proj(dbgi, load, mode, pn_sparc_Ld_res);
-
- reg = arch_get_irn_register(node);
- arch_set_irn_register(proj, reg);
-
- exchange(node, proj);
-}
-
-/**
- * transform spill node => store
- */
-static void transform_Spill(ir_node *node)
-{
- ir_node *block = get_nodes_block(node);
- dbg_info *dbgi = get_irn_dbg_info(node);
- ir_node *ptr = get_irn_n(node, be_pos_Spill_frame);
- ir_node *mem = new_NoMem();
- ir_node *val = get_irn_n(node, be_pos_Spill_val);
- ir_mode *mode = get_irn_mode(val);
- ir_entity *entity = be_get_frame_entity(node);
- ir_node *sched_point;
- ir_node *store;
-
- sched_point = sched_prev(node);
- store = new_bd_sparc_St_imm(dbgi, block, val, ptr, mem, mode, entity, 0, true);
- sched_remove(node);
- sched_add_after(sched_point, store);
-
- exchange(node, store);
-}
-
-/**
- * walker to transform be_Spill and be_Reload nodes
- */
-static void sparc_after_ra_walker(ir_node *block, void *data)
-{
- ir_node *node, *prev;
- (void) data;
-
- for (node = sched_last(block); !sched_is_begin(node); node = prev) {
- prev = sched_prev(node);
-
- if (be_is_Reload(node)) {
- transform_Reload(node);
- } else if (be_is_Spill(node)) {
- transform_Spill(node);
- }
- }
-}
-
-static void sparc_collect_frame_entity_nodes(ir_node *node, void *data)
-{
- be_fec_env_t *env = data;
- const ir_mode *mode;
- int align;
- ir_entity *entity;
- const sparc_load_store_attr_t *attr;
-
- if (be_is_Reload(node) && be_get_frame_entity(node) == NULL) {
- mode = get_irn_mode(node);
- align = get_mode_size_bytes(mode);
- be_node_needs_frame_entity(env, node, mode, align);
- return;
- }
-
- if (!is_sparc_Ld(node) && !is_sparc_Ldf(node))
- return;
-
- attr = get_sparc_load_store_attr_const(node);
- entity = attr->base.immediate_value_entity;
- mode = attr->load_store_mode;
- if (entity != NULL)
- return;
- if (!attr->is_frame_entity)
- return;
- if (arch_irn_get_flags(node) & sparc_arch_irn_flag_needs_64bit_spillslot)
- mode = mode_Lu;
- align = get_mode_size_bytes(mode);
- be_node_needs_frame_entity(env, node, mode, align);
-}
-
-static void sparc_set_frame_entity(ir_node *node, ir_entity *entity)
-{
- if (is_be_node(node)) {
- be_node_set_frame_entity(node, entity);
- } else {
- /* we only say be_node_needs_frame_entity on nodes with load_store
- * attributes, so this should be fine */
- sparc_load_store_attr_t *attr = get_sparc_load_store_attr(node);
- assert(attr->is_frame_entity);
- assert(attr->base.immediate_value_entity == NULL);
- attr->base.immediate_value_entity = entity;
- }
-}
-
-static void sparc_after_ra(ir_graph *irg)
-{
- be_fec_env_t *fec_env = be_new_frame_entity_coalescer(irg);
-
- irg_walk_graph(irg, NULL, sparc_collect_frame_entity_nodes, fec_env);
- be_assign_entities(fec_env, sparc_set_frame_entity);
- be_free_frame_entity_coalescer(fec_env);
-
- irg_block_walk_graph(irg, NULL, sparc_after_ra_walker, NULL);
-}
-
-static void sparc_init_graph(ir_graph *irg)
-{
- (void) irg;
-}
-
-const arch_isa_if_t sparc_isa_if;