+/*
+ * 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.
+ */
+
/**
- * Register mapping for firm nodes. Stolen from bearch_firm :)
- * Calculate requirements for register parameter.
- * @author Christian Wuerdig
- * $Id$
+ * @file
+ * @brief Register param constraints and some other register handling tools.
+ * @author Christian Wuerdig
+ * @version $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#include "ia32_map_regs.h"
#include "ia32_new_nodes.h"
#include "gen_ia32_regalloc_if.h"
+#include "../benodesets.h"
static int maxnum_gpreg_args = 3; /* maximum number of int arguments passed in registers; default 3 */
static int maxnum_fpreg_args = 5; /* maximum number of float arguments passed in registers; default 5 */
templ.irn = irn;
templ.reg = NULL;
- hash = HASH_PTR(irn);
+ hash = nodeset_hash(irn);
return set_insert(reg_set, &templ, sizeof(templ), hash);
}
return param_reg;
}
-
-
-
-/**
- * Translates the projnum into a "real" argument position for register
- * requirements dependend on the predecessor.
- */
-long ia32_translate_proj_pos(const ir_node *proj) {
- ir_node *pred = get_Proj_pred(proj);
- long nr = get_Proj_proj(proj);
-
- if (is_ia32_Ld(pred)) {
- if (nr == pn_Load_res || nr == 0)
- return 0;
- assert(0 && "unsupported Proj(Load) number");
- }
- else if (is_ia32_Cdq(pred) || is_ia32_MulS(pred) || is_ia32_Mulh(pred)) {
- if (nr == pn_EAX)
- return 0;
- if (nr == pn_EDX)
- return 1;
- }
- else if (is_ia32_DivMod(pred)) {
- if (nr == pn_DivMod_res_div)
- return 0;
- if (nr == pn_DivMod_res_mod)
- return 1;
- assert(0 && "unsupported DivMod");
- }
- else if (get_irn_opcode(pred) == iro_Start) {
- return nr;
- }
- else if (is_ia32_CopyB(pred) || is_ia32_CopyB_i(pred)) {
- return nr;
- }
- else if (is_ia32_Leave(pred)) {
- return nr;
- }
-
-// assert(0 && "unsupported Proj(X)");
- return 0;
-}