return new_ir_node(NULL, irg, bl, op, get_irn_mode(in), 1, ins);
}
-#if 0
-ir_node *be_spill(const be_node_factory_t *factory, ir_node *irn)
+ir_node *be_spill(
+ const be_node_factory_t *factory,
+ const arch_env_t *arch_env,
+ ir_node *irn)
{
- ir_node *bl = get_nodes_block(irn);
- ir_graph *irg = get_irn_irg(bl);
- ir_node *spill =
- new_Spill(factory, arch_get_irn_reg_class(irn), irg, bl, irn);
- sched_add_after(irn, spill);
+ const arch_register_class_t *cls
+ = arch_get_irn_reg_class(arch_env, irn, arch_pos_make_out(0));
+ ir_node *bl = get_nodes_block(irn);
+ ir_graph *irg = get_irn_irg(bl);
+ ir_node *spill = new_Spill(factory, cls, irg, bl, irn);
+
+ ir_node *insert;
+
+ /*
+ * search the right insertion point. a spill of a phi cannot be put
+ * directly after the phi, if there are some phis behind the one which
+ * is spilled.
+ */
+ insert = sched_next(irn);
+ while(is_Phi(insert) && !sched_is_end(insert))
+ insert = sched_next(insert);
+
+ sched_add_before(insert, spill);
return spill;
}
-#endif
+ir_node *be_reload(
+ const be_node_factory_t *factory,
+ const arch_env_t *arch_env,
+ const arch_register_class_t *cls,
+ ir_node *irn, int pos, ir_mode *mode, ir_node *spill)
+{
+ ir_node *reload;
+
+ ir_node *bl = get_nodes_block(irn);
+ ir_graph *irg = get_irn_irg(bl);
+
+ assert(is_Spill(factory, spill)
+ || (is_Phi(spill) && get_irn_mode(spill) == mode_M));
+ reload = new_Reload(factory, cls, irg, bl, mode, spill);
+ set_irn_n(irn, pos, reload);
+ sched_add_before(irn, reload);
+ return reload;
+}
/**
* If the node is a proj, reset the node to the proj's target and return
arch_register_req_t *req, const ir_node *irn, int pos)
{
be_op_t *bo;
+ int index = arch_pos_get_index(pos);
const be_node_factory_t *factory =
container_of(_self, const be_node_factory_t, irn_ops);
- pos = arch_pos_make_out(redir_proj(&irn, arch_pos_get_index(pos)));
+ if(arch_pos_is_out(pos))
+ pos = arch_pos_make_out(redir_proj(&irn, index));
bo = pmap_get(factory->irn_op_map, get_irn_op(irn));
int i;
req->type = arch_register_req_type_normal;
- req->cls = bo->cls;
+ req->cls = bo->cls;
- for(i = 0; i < bo->n_pos; ++pos)
+ for(i = 0; i < bo->n_pos; ++i)
if(pos == bo->pos[i])
return req;
}
int idx, const arch_register_t *reg)
{
const arch_register_t **regs;
+ be_op_t *bo;
+ const be_node_factory_t *factory =
+ container_of(_self, const be_node_factory_t, irn_ops);
idx = redir_proj((const ir_node **) &irn, idx);
+ bo = pmap_get(factory->irn_op_map, get_irn_op(irn));
+
+ if(!bo)
+ return;
+
regs = (const arch_register_t **) &irn->attr;
regs[idx] = reg;
}
be_node_get_irn_reg(const arch_irn_ops_t *_self, const ir_node *irn, int idx)
{
const arch_register_t **regs;
+ be_op_t *bo;
+ int i, pos = arch_pos_make_out(idx);
+ const be_node_factory_t *factory =
+ container_of(_self, const be_node_factory_t, irn_ops);
idx = redir_proj(&irn, idx);
- regs = (const arch_register_t **) &irn->attr;
- return regs[idx];
+ bo = pmap_get(factory->irn_op_map, get_irn_op(irn));
+
+ if(!bo)
+ return NULL;
+
+ for(i = 0; i < bo->n_pos; ++i) {
+ if(bo->pos[i] == pos) {
+ regs = (const arch_register_t **) &irn->attr;
+ return regs[idx];
+ }
+ }
+
+ return NULL;
}
arch_irn_class_t be_node_classify(const arch_irn_ops_t *_self, const ir_node *irn)
idx = redir_proj(&irn, 0);
bo = pmap_get(factory->irn_op_map, get_irn_op(irn));
- /* TODO Implement */
+ switch(bo->kind) {
+#define XXX(a) case node_kind_ ## a: return arch_irn_class_ ## a;
+ XXX(spill)
+ XXX(reload)
+ XXX(perm)
+ XXX(copy)
+#undef XXX
+ }
+
return 0;
}
+arch_irn_class_t be_node_get_flags(const arch_irn_ops_t *_self, const ir_node *irn)
+{
+ return 0;
+}
+
static const arch_irn_ops_t *
be_node_get_irn_ops(const arch_irn_handler_t *_self, const ir_node *irn)
{
{
be_op_t *bo;
bo = pmap_get(f->irn_op_map, get_irn_op(irn));
- return bo->kind == node_kind_spill;
+ return bo != NULL && bo->kind == node_kind_spill;
}
be_node_factory_t *be_node_factory_init(be_node_factory_t *factory,
factory->irn_ops.set_irn_reg = be_node_set_irn_reg;
factory->irn_ops.get_irn_reg = be_node_get_irn_reg;
factory->irn_ops.classify = be_node_classify;
+ factory->irn_ops.get_flags = be_node_get_flags;
for(i = 0, n = isa->get_n_reg_class(); i < n; ++i) {
const arch_register_class_t *cls = isa->get_reg_class(i);
ent = get_op(factory, cls, node_kind_spill);
snprintf(buf, sizeof(buf), "Spill_%s", cls->name);
ent->op = new_ir_op(get_next_ir_opcode(), buf, op_pin_state_pinned,
- 0, 0, oparity_unary, 0);
+ 0, oparity_unary, 0, 0, NULL);
ent->n_pos = ARRSIZE(templ_pos_Spill);
ent->pos = templ_pos_Spill;
pmap_insert(factory->irn_op_map, ent->op, ent);
ent = get_op(factory, cls, node_kind_reload);
snprintf(buf, sizeof(buf), "Reload_%s", cls->name);
- ent->op = new_ir_op(get_next_ir_opcode(), buf, op_pin_state_pinned, 0, 0,
- oparity_unary, sizeof(const arch_register_t *));
+ ent->op = new_ir_op(get_next_ir_opcode(), buf, op_pin_state_pinned, 0,
+ oparity_unary, 0, sizeof(const arch_register_t *), NULL);
ent->n_pos = ARRSIZE(templ_pos_Reload);
ent->pos = templ_pos_Reload;
pmap_insert(factory->irn_op_map, ent->op, ent);
ent = get_op(factory, cls, node_kind_copy);
snprintf(buf, sizeof(buf), "Copy_%s", cls->name);
- ent->op = new_ir_op(get_next_ir_opcode(), buf, op_pin_state_pinned, 0, 0,
- oparity_unary, sizeof(const arch_register_t *));
+ ent->op = new_ir_op(get_next_ir_opcode(), buf, op_pin_state_pinned, 0,
+ oparity_unary, 0, sizeof(const arch_register_t *), NULL);
ent->n_pos = ARRSIZE(templ_pos_Copy);
ent->pos = templ_pos_Copy;
pmap_insert(factory->irn_op_map, ent->op, ent);
ent = get_op(factory, cls, node_kind_perm);
snprintf(buf, sizeof(buf), "Perm_%s", cls->name);
- ent->op = new_ir_op(get_next_ir_opcode(), buf, op_pin_state_pinned, 0, 0,
- oparity_variable, sizeof(const arch_register_t) * cls->n_regs);
+ ent->op = new_ir_op(get_next_ir_opcode(), buf, op_pin_state_pinned, 0,
+ oparity_variable, 0, sizeof(const arch_register_t) * cls->n_regs, NULL);
ent->n_pos = 2 * cls->n_regs;
ent->pos = obstack_alloc(&factory->obst, sizeof(ent->pos[0]) * ent->n_pos);
for(j = 0; j < ent->n_pos; j += 2) {
}
return perm;
}
-
-#if 0
-typedef struct _phi_perm_info_t {
- const be_main_session_env_t *env;
- const arch_register_class_t *cls;
- pmap *perm_map;
-} phi_perm_info_t;
-
-static void clear_link(ir_node *irn, void *data)
-{
- set_irn_link(irn, NULL);
-}
-
-static void collect_phis(ir_node *irn, void *data)
-{
- phi_perm_info_t *pi = data;
- if(is_Phi(irn) && arch_irn_has_reg_class(pi->env->main_env->arch_env,
- irn, arch_pos_make_out(0), pi->cls)) {
-
- ir_node *bl = get_nodes_block(irn);
- set_irn_link(irn, get_irn_link(bl));
- set_irn_link(bl, irn);
- }
-}
-
-/* This is only semi-ugly :-) */
-#define INT_TO_PTR(i) ((void *) ((char *) 0 + (i)))
-#define PTR_TO_INT(p) ((int) ((char *) (p) - (char *) 0))
-
-static void insert_phi_perms(ir_node *bl, void *data)
-{
- phi_perm_info_t *pi = data;
- ir_graph *irg = pi->env->irg;
-
- assert(is_Block(bl));
-
- /* If the link flag is NULL, this block has no phis. */
- if(get_irn_link(bl)) {
- int i, n;
-
- /* Look at all predecessors of the phi block */
- for(i = 0, n = get_irn_arity(bl); i < n; ++i) {
- ir_node *pred_bl = get_Block_cfgpred_block(bl, i);
- ir_node *phi, *perm;
- ir_node **in;
- int n_phis = 0;
- int j;
-
- for(phi = get_irn_link(bl); phi; phi = get_irn_link(phi))
- n_phis++;
-
- in = malloc(n_phis * sizeof(in[0]));
-
- /* Look at all phis in this block */
- j = 0;
- for(phi = get_irn_link(bl); phi; phi = get_irn_link(phi))
- in[j++] = get_irn_n(phi, i);
-
- perm = new_Perm(pi->env->main_env->node_factory, pi->cls, irg, pred_bl, n_phis, in);
-
- j = 0;
- for(phi = get_irn_link(bl); phi; phi = get_irn_link(phi)) {
- ir_node *proj = new_r_Proj(irg, pred_bl, perm, get_irn_mode(phi), j++);
- set_irn_n(phi, i, proj);
- }
-
- free(in);
- }
- }
-}
-
-void be_insert_phi_perms(const be_main_session_env_t *env,
- const arch_register_class_t *cls)
-{
- phi_perm_info_t pi;
-
- pi.env = env;
- pi.cls = cls;
- pi.perm_map = pmap_create();
-
- irg_walk_graph(env->irg, clear_link, collect_phis, &pi);
- irg_block_walk_graph(env->irg, insert_phi_perms, NULL, &pi);
- pmap_destroy(pi.perm_map);
-}
-#endif
projects / libfirm / blobdiff