From 69323fd50a31e8c74dd50cdc595c966118d22fa6 Mon Sep 17 00:00:00 2001
From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Mon, 19 Apr 2004 13:10:23 +0000
Subject: [PATCH] Initial statistic implementations

[r2682]
---
 ir/stat/Makefile.in | 37 ++++++++++++++++++++++++
 ir/stat/firmstat.c  | 69 +++++++++++++++++++++++++++++++++++++++++++++
 ir/stat/firmstat.h  | 48 +++++++++++++++++++++++++++++++
 3 files changed, 154 insertions(+)
 create mode 100644 ir/stat/Makefile.in
 create mode 100644 ir/stat/firmstat.c
 create mode 100644 ir/stat/firmstat.h

diff --git a/ir/stat/Makefile.in b/ir/stat/Makefile.in
new file mode 100644
index 000000000..d796ecf44
--- /dev/null
+++ b/ir/stat/Makefile.in
@@ -0,0 +1,37 @@
+#
+# Project:     libFIRM
+# File name:   ir/stat/Makefile.in
+# Purpose:
+# Author:      Boris Boesler, Till Riedel
+# Modified by:
+# Created:
+# CVS-ID:      $Id$
+# Copyright:   (c) 2004 Universität Karlsruhe
+# Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+#
+
+top_srcdir := @top_srcdir@
+srcdir = @srcdir@
+topdir = ../..
+subdir := ir/ir
+
+INSTALL_HEADERS =
+
+SOURCES = $(INSTALL_HEADERS)
+
+SOURCES += 	Makefile.in \
+		firmstat.h
+
+ifeq ($(enable_statistics),yes)
+SOURCES += firmstat.c
+endif
+
+include $(topdir)/MakeRules
+
+CPPFLAGS += 	-I$(top_srcdir)/ir/adt   -I$(top_srcdir)/ir/ir  -I$(top_srcdir)/ir/common  \
+		-I$(top_srcdir)/ir/ident -I$(top_srcdir)/ir/tr  -I$(top_srcdir)/ir/tv \
+		-I$(top_srcdir)/ir/debug -I$(top_srcdir)/ir/ana -I$(top_srcdir)/ir/st
+
+include $(top_srcdir)/MakeTargets
+
+all: subdir.o
diff --git a/ir/stat/firmstat.c b/ir/stat/firmstat.c
new file mode 100644
index 000000000..6d033855b
--- /dev/null
+++ b/ir/stat/firmstat.c
@@ -0,0 +1,69 @@
+/*
+ * Project:     libFIRM
+ * File name:   ir/ir/firmstat.c
+ * Purpose:     Statistics for Firm.
+ * Author:      Michael Beck
+ * Created:
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 2004 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+# include <string.h>
+
+# include "irop_t.h"
+# include "irnode_t.h"
+
+# include "xmalloc.h"
+
+/*
+ * 64 bit should be enough for now
+ */
+#define STAT_CNT_NUM 2
+
+typedef struct _counter_t {
+  unsigned cnt[STAT_CNT_NUM];
+} counter_t;
+
+
+static INLINE cnt_inc(counter_t *cnt)
+{
+  int i;
+
+  for (i = 0; i < STAT_CNT_NUM; ++i) {
+    if (++cnt->cnt[i])
+      break;
+}
+
+static INLINE cnt_dec(counter_t *cnt)
+{
+  int i;
+
+  for (i = 0; i < STAT_CNT_NUM; ++i) {
+    if (--cnt->cnt[i] != -1)
+      break;
+}
+
+/* A new IR op is registered. */
+void stat_new_ir_op(const ir_op *op)
+{
+}
+
+/* An IR op is freed. */
+void stat_free_ir_op(const ir_op *op)
+{
+}
+
+/* initialize the statistics module. */
+void stat_init(void)
+{
+}
+
+/* A new node is created. */
+void stat_new_node(const ir_node *node)
+{
+}
diff --git a/ir/stat/firmstat.h b/ir/stat/firmstat.h
new file mode 100644
index 000000000..e6bab0579
--- /dev/null
+++ b/ir/stat/firmstat.h
@@ -0,0 +1,48 @@
+/*
+ * Project:     libFIRM
+ * File name:   ir/ir/firmstat.h
+ * Purpose:     Statistics for Firm.
+ * Author:      Michael Beck
+ * Created:
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 2004 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
+
+
+# ifndef _FIRMSTAT_H_
+# define _FIRMSTAT_H_
+
+#ifdef FIRM_STATISTICS
+
+/**
+ * initialize the statistics module.
+ */
+void stat_init(void);
+
+/**
+ * A new IR op is registered.
+ */
+void stat_new_ir_op(const ir_op *op);
+
+/**
+ * An IR op is freed.
+ */
+void stat_free_ir_op(const ir_op *op);
+
+/**
+ * A new node is created.
+ */
+void stat_new_node(const ir_node *node);
+
+#else
+
+#define stat_init()
+#define stat_new_ir_op(op)
+#define stat_free_ir_op(op)
+#define stat_new_node(node)
+
+#endif
+
+
+#endif /* _FIRMSTAT_H_ */
-- 
2.20.1