don't aggressively fold some nodes when we know it will increase register pressure

[libfirm] / ir / be / ia32 / ia32_dbg_stat.h

diff --git a/ir/be/ia32/ia32_dbg_stat.h b/ir/be/ia32/ia32_dbg_stat.h
index 3d246e0..b51b5fd 100644 (file)
--- a/ir/be/ia32/ia32_dbg_stat.h
+++ b/ir/be/ia32/ia32_dbg_stat.h
@@ -1,10 +1,30 @@
+/*
+ * 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.
+ */
+
 /**
- * This file contains macros to update ia32 firm statistics
- * @author Christian Wuerdig
- * $Id$
+ * @file
+ * @brief       This file contains macros to update ia32 firm statistics.
+ * @author      Christian Wuerdig
+ * @version     $Id$
  */
-#ifndef _IA32_DBG_STAT_H_
-#define _IA32_DBG_STAT_H_
+#ifndef FIRM_BE_IA32_IA32_DBG_STAT_H
+#define FIRM_BE_IA32_IA32_DBG_STAT_H
 
 #include "irhooks.h"
 #include "dbginfo_t.h"
@@ -130,7 +150,7 @@
  * Merge the debug info due to a destination address mode creation.
  *
  * @param load   the old load
- * @param store  yhe old store
+ * @param store  the old store
  * @param n      the new op
  */
 #define DBG_OPT_AM_D(load, store, n)                               \
@@ -152,5 +172,62 @@
                hook_merge_nodes(NULL, 0, &oldn, 1, FS_BE_IA32_CJMP); \
        } while(0)
 
+/**
+ * A Copy was created to fulfill two address code constraints
+ *
+ * @param cpy  the copy
+ */
+#define DBG_OPT_2ADDRCPY(cpy)                                    \
+       do {                                                         \
+               hook_merge_nodes(NULL, 0, &cpy, 1, FS_BE_IA32_2ADDRCPY); \
+       } while(0)
+
+/**
+ * A Store was created for a Spill
+ *
+ * @param spill  the Spill
+ * @param store  the Store
+ */
+#define DBG_OPT_SPILL2ST(spill, store)                               \
+       do {                                                             \
+               hook_merge_nodes(&store, 1, &spill, 1, FS_BE_IA32_SPILL2ST); \
+               __dbg_info_merge_pair(store, spill, dbg_backend);            \
+       } while(0)
+
+/**
+ * A Load was created for a Reload
+ *
+ * @param rload  the Reload
+ * @param load   the Load
+ */
+#define DBG_OPT_RELOAD2LD(rload, load)                               \
+       do {                                                             \
+               hook_merge_nodes(&load, 1, &rload, 1, FS_BE_IA32_RELOAD2LD); \
+               __dbg_info_merge_pair(load, rload, dbg_backend);             \
+       } while(0)
+
+/**
+ * A Sub was transformed into Neg-Add due to 2 address code limitations
+ *
+ * @param sub   the old Sub
+ * @param nadd  the new Add
+ */
+#define DBG_OPT_SUB2NEGADD(sub, nadd)                               \
+       do {                                                            \
+               hook_merge_nodes(&nadd, 1, &sub, 1, FS_BE_IA32_SUB2NEGADD); \
+               __dbg_info_merge_pair(nadd, sub, dbg_backend);              \
+       } while(0)
+
+/**
+ * A Lea was transformed back into an Add
+ *
+ * @param lea   the old Lea
+ * @param nadd  the new Add
+ */
+#define DBG_OPT_LEA2ADD(lea, nadd)                               \
+       do {                                                         \
+               hook_merge_nodes(&nadd, 1, &lea, 1, FS_BE_IA32_LEA2ADD); \
+               __dbg_info_merge_pair(nadd, lea, dbg_backend);           \
+       } while(0)
 
-#endif /* _IA32_DBG_STAT_H_ */
+#endif /* FIRM_BE_IA32_IA32_DBG_STAT_H */