From 1ecf3db1a4039fc3b97d7ced39ba9adbdf15f949 Mon Sep 17 00:00:00 2001
From: Andreas Zwinkau <zwinkau@kit.edu>
Date: Tue, 1 Apr 2008 12:04:51 +0000
Subject: [PATCH] inserted pbqp transformation step

[r19037]
---
 ir/be/ia32/bearch_ia32.c         | 15 ++++++++++++-
 ir/be/ia32/ia32_pbqp_transform.c | 38 ++++++++++++++++++++++++++++++++
 ir/be/ia32/ia32_pbqp_transform.h | 37 +++++++++++++++++++++++++++++++
 3 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 ir/be/ia32/ia32_pbqp_transform.c
 create mode 100644 ir/be/ia32/ia32_pbqp_transform.h

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index 6c65bf501..d20c867d0 100644
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -43,6 +43,7 @@
 #include "irgopt.h"
 #include "irbitset.h"
 #include "irgopt.h"
+#include "irdump_grgen.h"
 #include "pdeq.h"
 #include "pset.h"
 #include "debug.h"
@@ -75,6 +76,7 @@
 #include "gen_ia32_regalloc_if.h"
 #include "gen_ia32_machine.h"
 #include "ia32_transform.h"
+#include "ia32_pbqp_transform.h"
 #include "ia32_emitter.h"
 #include "ia32_map_regs.h"
 #include "ia32_optimize.h"
@@ -955,7 +957,18 @@ static void ia32_prepare_graph(void *self) {
 	if(cg->dump)
 		be_dump(cg->irg, "-pre_transform", dump_ir_block_graph_sched);
 
-	/* transform nodes into assembler instructions */
+        /* used for examination purposes only
+         * if(cg->dump)
+                dump_irg_grgen(cg->irg, "-pre_transform");
+         */
+
+        /* transform nodes into assembler instructions by PBQP magic */
+        ia32_transform_graph_by_pbqp(cg);
+
+	if(cg->dump)
+		be_dump(cg->irg, "-after_pbqp_transform", dump_ir_block_graph_sched);
+
+	/* transform remaining nodes into assembler instructions */
 	ia32_transform_graph(cg);
 
 	/* do local optimisations (mainly CSE) */
diff --git a/ir/be/ia32/ia32_pbqp_transform.c b/ir/be/ia32/ia32_pbqp_transform.c
new file mode 100644
index 000000000..7a0937427
--- /dev/null
+++ b/ir/be/ia32/ia32_pbqp_transform.c
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file
+ * @brief       This file implements the IR transformation from firm into
+ *              ia32-Firm by PBQP magic
+ * @author      Sebastian Buchwald, Andreas Zwinkau
+ * @version     $Id$
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <limits.h>
+
+#include "bearch_ia32_t.h"
+
+void ia32_transform_graph_by_pbqp(ia32_code_gen_t *cg)
+{
+        return;
+}
diff --git a/ir/be/ia32/ia32_pbqp_transform.h b/ir/be/ia32/ia32_pbqp_transform.h
new file mode 100644
index 000000000..c84f313a9
--- /dev/null
+++ b/ir/be/ia32/ia32_pbqp_transform.h
@@ -0,0 +1,37 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file
+ * @brief       This file implements the IR transformation from firm into ia32-Firm with PBQP magic
+ * @author      Sebastian Buchwald, Andreas Zwinkau
+ * @version     $Id$
+ */
+#ifndef FIRM_BE_IA32_IA32_PBQP_TRANSFORM_H
+#define FIRM_BE_IA32_IA32_PBQP_TRANSFORM_H
+
+#include "firm_config.h"
+#include "bearch_ia32_t.h"
+
+/**
+ * Transform firm nodes to x86 assembler nodes
+ */
+void ia32_transform_graph_by_pbqp(ia32_code_gen_t *cg);
+
+#endif /* FIRM_BE_IA32_IA32_PBQP_TRANSFORM_H */
-- 
2.20.1