static ir_node *conv_transform(ir_node *node, ir_mode *dest_mode)
{
- ir_mode *mode = get_irn_mode(node);
- size_t arity;
- size_t i;
+ ir_mode *mode = get_irn_mode(node);
+ size_t arity;
+ size_t i;
+ ir_node *new_node;
+ ir_graph *irg = get_irn_irg(node);
if (mode == dest_mode)
return node;
return place_conv(node, dest_mode);
}
+ // Create a new node with the right mode
+ new_node = new_ir_node(get_irn_dbg_info(node),
+ irg,
+ get_nodes_block(node),
+ get_irn_op(node),
+ dest_mode,
+ get_irn_arity(node),
+ get_irn_in(node) + 1);
+ copy_node_attr(irg, node, new_node);
+
// The shift count does not participate in the conv optimisation
- arity = is_Shl(node) ? 1 : get_irn_arity(node);
+ arity = is_Shl(new_node) ? 1 : get_irn_arity(new_node);
for (i = 0; i < arity; i++) {
- ir_node *pred = get_irn_n(node, i);
+ ir_node *pred = get_irn_n(new_node, i);
ir_node *transformed;
if (get_conv_costs(pred, dest_mode) > 0) {
transformed = place_conv(pred, dest_mode);
} else {
transformed = conv_transform(pred, dest_mode);
}
- set_irn_n(node, i, transformed);
+ set_irn_n(new_node, i, transformed);
}
- set_irn_mode(node, dest_mode);
- return node;
+
+ return new_node;
}
/* TODO, backends (at least ia32) can't handle it at the moment,