+/*
+ * Copyright (C) 1995-2007 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.
+ */
/**
- * More experiments on coalescing.
- * @author Sebastian Hack
- * @date 25.07.2006
+ * @file
+ * @brief More experiments on coalescing with Java implementation.
+ * @author Sebastian Hack
+ * @date 25.07.2006
+ * @version $Id$
*/
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "debug.h"
#include "bitfiddle.h"
#include "bitset.h"
+#include "raw_bitset.h"
-#include "irphase_t.h"
#include "irgraph_t.h"
#include "irnode_t.h"
#include "irprintf.h"
static void set_admissible_regs(be_java_coal_t *coal, copy_opt_t *co, ir_node *irn, int t_idx, int *col_map)
{
- unsigned i;
- arch_register_req_t req;
- unsigned n_regs = co->cls->n_regs;
+ const arch_register_req_t *req;
+
+ req = arch_get_register_req(co->aenv, irn, BE_OUT_POS(0));
// ir_printf("%+F\n", irn);
- arch_get_register_req(co->aenv, &req, irn, BE_OUT_POS(0));
- if(arch_register_req_is(&req, limited)) {
- bitset_t *adm = bitset_alloca(n_regs);
- req.limited(req.limited_env, adm);
- for(i = 0; i < n_regs; ++i)
- if(!bitset_is_set(adm, i) && col_map[i] >= 0) {
- // printf("\tforbidding color: %d\n", i);
+ if(arch_register_req_is(req, limited)) {
+ unsigned i;
+ unsigned n_regs = co->cls->n_regs;
+
+ for(i = 0; i < n_regs; ++i) {
+ if(!rbitset_is_set(req->limited, i) && col_map[i] >= 0) {
be_java_coal_forbid_color(coal, t_idx, col_map[i]);
}
+ }
}
}