* @brief Backend node support for generic backend nodes.
* @author Sebastian Hack
* @date 17.05.2005
- * @version $Id$
*
* Backend node support for generic backend nodes.
* This file provides Perm, Copy, Spill and Reload nodes.
attr = (be_node_attr_t*) get_irn_generic_attr(irn);
attr->exc.pin_state = op_pin_state_pinned;
for (i = 0; i < n; ++i) {
- be_node_set_reg_class_in(irn, i, cls);
- be_node_set_reg_class_out(irn, i, cls);
+ const ir_node *input = in[i];
+ const arch_register_req_t *req = arch_get_irn_register_req(input);
+ if (req->width == 1) {
+ be_set_constr_in(irn, i, cls->class_req);
+ be_set_constr_out(irn, i, cls->class_req);
+ } else {
+ arch_register_req_t *new_req = allocate_reg_req(irn);
+ new_req->cls = cls;
+ new_req->type = (req->type & arch_register_req_type_aligned);
+ new_req->width = req->width;
+ be_set_constr_in(irn, i, new_req);
+ be_set_constr_out(irn, i, new_req);
+ }
}
return irn;
in[0] = old_sp;
irn = new_ir_node(NULL, irg, bl, op_be_IncSP, sp->reg_class->mode,
- sizeof(in) / sizeof(in[0]), in);
+ ARRAY_SIZE(in), in);
init_node_attr(irn, 1, 1);
a = (be_incsp_attr_t*)get_irn_generic_attr(irn);
a->offset = offset;
return a->align;
}
-ir_node *be_spill(ir_node *block, ir_node *irn)
-{
- ir_graph *irg = get_Block_irg(block);
- ir_node *frame = get_irg_frame(irg);
- const arch_register_class_t *cls = arch_get_irn_reg_class(irn);
- const arch_register_class_t *cls_frame = arch_get_irn_reg_class(frame);
- ir_node *spill;
-
- spill = be_new_Spill(cls, cls_frame, block, frame, irn);
- return spill;
-}
-
-ir_node *be_reload(const arch_register_class_t *cls, ir_node *insert,
- ir_mode *mode, ir_node *spill)
-{
- ir_node *reload;
- ir_node *bl = is_Block(insert) ? insert : get_nodes_block(insert);
- ir_graph *irg = get_Block_irg(bl);
- ir_node *frame = get_irg_frame(irg);
- const arch_register_class_t *cls_frame = arch_get_irn_reg_class(frame);
-
- assert(be_is_Spill(spill) || (is_Phi(spill) && get_irn_mode(spill) == mode_M));
-
- reload = be_new_Reload(cls, cls_frame, bl, frame, spill, mode);
-
- if (is_Block(insert)) {
- do {
- insert = sched_prev(insert);
- } while (is_cfop(insert));
- sched_add_after(insert, reload);
- } else {
- sched_add_before(insert, reload);
- }
-
- return reload;
-}
-
-
-static arch_irn_class_t be_node_classify(const ir_node *irn)
-{
- switch (get_irn_opcode(irn)) {
- case beo_Spill: return arch_irn_class_spill;
- case beo_Reload: return arch_irn_class_reload;
- case beo_Perm: return arch_irn_class_perm;
- case beo_Copy: return arch_irn_class_copy;
- default: return arch_irn_class_none;
- }
-}
-
static ir_entity *be_node_get_frame_entity(const ir_node *irn)
{
return be_get_frame_entity(irn);
/* for be nodes */
static const arch_irn_ops_t be_node_irn_ops = {
- be_node_classify,
be_node_get_frame_entity,
be_node_set_frame_offset,
be_node_get_sp_bias,
panic("Tried querying undefined register '%s' at Return", reg->name);
}
-static arch_irn_class_t dummy_classify(const ir_node *node)
-{
- (void) node;
- return arch_irn_class_none;
-}
-
static ir_entity* dummy_get_frame_entity(const ir_node *node)
{
(void) node;
/* for "middleend" nodes */
static const arch_irn_ops_t dummy_be_irn_ops = {
- dummy_classify,
dummy_get_frame_entity,
dummy_set_frame_offset,
dummy_get_sp_bias,
assert(mode_is_datab(get_irn_mode(node)));
}
-void be_dump_phi_reg_reqs(FILE *F, ir_node *node, dump_reason_t reason)
+void be_dump_phi_reg_reqs(FILE *F, const ir_node *node, dump_reason_t reason)
{
switch (reason) {
case dump_node_opcode_txt:
}
static const arch_irn_ops_t phi_irn_ops = {
- dummy_classify,
dummy_get_frame_entity,
dummy_set_frame_offset,
dummy_get_sp_bias,
/**
* ir_op-Operation: dump a be node to file
*/
-static void dump_node(FILE *f, ir_node *irn, dump_reason_t reason)
+static void dump_node(FILE *f, const ir_node *irn, dump_reason_t reason)
{
assert(is_be_node(irn));
op_be_Keep = new_ir_op(beo_Keep, "be_Keep", op_pin_state_exc_pinned, irop_flag_keep, oparity_dynamic, 0, sizeof(be_node_attr_t), &be_node_op_ops);
op_be_CopyKeep = new_ir_op(beo_CopyKeep, "be_CopyKeep", op_pin_state_exc_pinned, irop_flag_keep, oparity_variable, 0, sizeof(be_node_attr_t), &be_node_op_ops);
op_be_Call = new_ir_op(beo_Call, "be_Call", op_pin_state_exc_pinned, irop_flag_fragile|irop_flag_uses_memory, oparity_variable, 0, sizeof(be_call_attr_t), &be_node_op_ops);
- ir_op_set_fragile_indices(op_be_Call, n_be_Call_mem, pn_be_Call_X_regular, pn_be_Call_X_except);
+ ir_op_set_memory_index(op_be_Call, n_be_Call_mem);
+ ir_op_set_fragile_indices(op_be_Call, pn_be_Call_X_regular, pn_be_Call_X_except);
op_be_Return = new_ir_op(beo_Return, "be_Return", op_pin_state_exc_pinned, irop_flag_cfopcode, oparity_dynamic, 0, sizeof(be_return_attr_t), &be_node_op_ops);
op_be_AddSP = new_ir_op(beo_AddSP, "be_AddSP", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
op_be_SubSP = new_ir_op(beo_SubSP, "be_SubSP", op_pin_state_exc_pinned, irop_flag_none, oparity_unary, 0, sizeof(be_node_attr_t), &be_node_op_ops);
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