2 * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Base routines for register allocation.
23 * @author Sebastian Hack
43 #include "besched_t.h"
47 be_ra_timer_t *global_ra_timer = NULL;
49 /** The list of register allocators */
50 static be_module_list_entry_t *register_allocators = NULL;
51 static be_ra_t *selected_allocator = NULL;
53 void be_register_allocator(const char *name, be_ra_t *allocator)
55 if(selected_allocator == NULL)
56 selected_allocator = allocator;
57 be_add_module_to_list(®ister_allocators, name, allocator);
60 void be_allocate_registers(be_irg_t *birg)
62 assert(selected_allocator != NULL);
63 if(selected_allocator != NULL) {
64 selected_allocator->allocate(birg);
70 lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
72 be_add_module_list_opt(be_grp, "regalloc", "register allocator",
73 ®ister_allocators, (void**) &selected_allocator);
75 BE_REGISTER_MODULE_CONSTRUCTOR(init_be_ra);