+/**
+ * Transforms a be node into a Load.
+ */
+static void transform_to_Load(ia32_transform_env_t *env) {
+ ir_node *irn = env->irn;
+ entity *ent = be_get_frame_entity(irn);
+ ir_mode *mode = env->mode;
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_rd_NoMem(env->irg);
+ ir_node *new_op, *proj;
+ ir_node *sched_point = NULL;
+
+ if (sched_is_scheduled(irn)) {
+ sched_point = sched_prev(irn);
+ }
+
+ if (mode_is_float(mode)) {
+ new_op = new_rd_ia32_fLoad(env->dbg, env->irg, env->block, get_irn_n(irn, 0), noreg, nomem, mode_T);
+ }
+ else {
+ new_op = new_rd_ia32_Load(env->dbg, env->irg, env->block, get_irn_n(irn, 0), noreg, nomem, mode_T);
+ }
+
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ set_ia32_am_flavour(new_op, ia32_B);
+ set_ia32_ls_mode(new_op, mode);
+ set_ia32_frame_ent(new_op, ent);
+ set_ia32_use_frame(new_op);
+
+ proj = new_rd_Proj(env->dbg, env->irg, env->block, new_op, mode, pn_Load_res);
+
+ if (sched_point) {
+ sched_add_after(sched_point, new_op);
+ sched_add_after(new_op, proj);
+
+ sched_remove(irn);
+ }
+
+ exchange(irn, proj);
+
+}
+
+/**
+ * Transforms a be node into a Store.
+ */
+static void transform_to_Store(ia32_transform_env_t *env) {
+ ir_node *irn = env->irn;
+ entity *ent = be_get_frame_entity(irn);
+ ir_mode *mode = env->mode;
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_rd_NoMem(env->irg);
+ ir_node *ptr = get_irn_n(irn, 0);
+ ir_node *val = get_irn_n(irn, 1);
+ ir_node *new_op, *proj;
+ ir_node *sched_point = NULL;
+
+ if (sched_is_scheduled(irn)) {
+ sched_point = sched_prev(irn);
+ }
+
+ if (mode_is_float(mode)) {
+ new_op = new_rd_ia32_fStore(env->dbg, env->irg, env->block, ptr, noreg, val, nomem, mode_T);
+ }
+ else {
+ new_op = new_rd_ia32_Store(env->dbg, env->irg, env->block, ptr, noreg, val, nomem, mode_T);
+ }
+
+ set_ia32_am_support(new_op, ia32_am_Dest);
+ set_ia32_op_type(new_op, ia32_AddrModeD);
+ set_ia32_am_flavour(new_op, ia32_B);
+ set_ia32_ls_mode(new_op, get_irn_mode(val));
+ set_ia32_frame_ent(new_op, ent);
+ set_ia32_use_frame(new_op);
+
+ proj = new_rd_Proj(env->dbg, env->irg, env->block, new_op, mode, 0);
+
+ if (sched_point) {
+ sched_add_after(sched_point, new_op);
+ sched_add_after(new_op, proj);
+
+ sched_remove(irn);
+ }
+
+ exchange(irn, proj);
+
+}
+
+/**
+ * Calls the transform functions for StackParam, Spill and Reload.
+ */
+static void ia32_after_ra_walker(ir_node *node, void *env) {
+ ia32_code_gen_t *cg = env;
+ ir_node *new_node = NULL;
+ ia32_transform_env_t tenv;
+
+ if (is_Block(node))
+ return;
+
+ tenv.block = get_nodes_block(node);
+ tenv.dbg = get_irn_dbg_info(node);
+ tenv.irg = current_ir_graph;
+ tenv.irn = node;
+ tenv.mod = cg->mod;
+ tenv.mode = get_irn_mode(node);
+ tenv.cg = cg;
+
+ if (be_is_StackParam(node) || be_is_Reload(node)) {
+ transform_to_Load(&tenv);
+ }
+ else if (be_is_Spill(node)) {
+ transform_to_Store(&tenv);
+ }
+}
+
+/**
+ * We transform StackParam, Spill and Reload here. This needs to be done before
+ * stack biasing otherwise we would miss the corrected offset for these nodes.
+ */
+static void ia32_after_ra(void *self) {
+ ia32_code_gen_t *cg = self;
+ irg_walk_blkwise_graph(cg->irg, NULL, ia32_after_ra_walker, self);
+}
+
+