allow nodes with more inputs in prefallocator (some sparc keeps have more than 32...

[libfirm] / ir / be / bera.c

diff --git a/ir/be/bera.c b/ir/be/bera.c
index 7bddee0..5079570 100644 (file)
--- a/ir/be/bera.c
+++ b/ir/be/bera.c
@@ -1,25 +1,70 @@
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
 /**
- * Base routines for register allocation.
- * @author Sebastian Hack
- * @date 22.11.2004
+ * @file
+ * @brief       Base routines for register allocation.
+ * @author      Sebastian Hack
+ * @date        22.11.2004
+ * @version     $Id$
  */
+#include "config.h"
+
+#include <stdlib.h>
 
 #include "pset.h"
-#include "impl.h"
 
 #include "irnode.h"
 #include "irmode.h"
+#include "irdom.h"
+#include "iredges.h"
+
+#include "bera.h"
+#include "beutil.h"
 #include "besched.h"
+#include "belive_t.h"
+#include "bemodule.h"
 
-#include "bera_t.h"
+/** The list of register allocators */
+static be_module_list_entry_t *register_allocators = NULL;
+static be_ra_t *selected_allocator = NULL;
 
-FIRM_IMPL1(is_allocatable_irn, int, const ir_node *)
+void be_register_allocator(const char *name, be_ra_t *allocator)
+{
+       if (selected_allocator == NULL)
+               selected_allocator = allocator;
+       be_add_module_to_list(&register_allocators, name, allocator);
+}
 
-size_t ra_irn_data_offset = 0;
-size_t ra_irg_data_offset = 0;
+void be_allocate_registers(ir_graph *irg)
+{
+       assert(selected_allocator != NULL);
+       if (selected_allocator != NULL) {
+               selected_allocator->allocate(irg);
+       }
+}
 
-void be_ra_init(void)
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_ra);
+void be_init_ra(void)
 {
-       ra_irn_data_offset = register_additional_node_data(sizeof(ra_info_t));
-       ra_irg_data_offset = register_additional_graph_data(sizeof(void *));
+       lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
+
+       be_add_module_list_opt(be_grp, "regalloc", "register allocator",
+                              &register_allocators, (void**) &selected_allocator);
 }