X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firflag.c;h=21880847f476e873f9b9e1a4296359221aea52fa;hb=7cd2dbf37a3ced8d0113899618c88bc47eee0164;hp=2095d021a21201ec6c44a09c52142af0f6152621;hpb=efbeaff549fcc6015da255ed4d453a95937ff0fd;p=libfirm

diff --git a/ir/ir/irflag.c b/ir/ir/irflag.c
index 2095d021a..21880847f 100644
--- a/ir/ir/irflag.c
+++ b/ir/ir/irflag.c
@@ -1,51 +1,163 @@
-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Christian Schaefer
-**
-** irflag --- optimization flags
-*/
+/*
+ * 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.
+ */
 
-# include "irflag.h"
+/**
+ * @file
+ * @brief   Flags to control optimizations.
+ * @author  Michael Beck, Sebastian Hack
+ * @version $Id$
+ */
+#include "config.h"
 
-int opt_cse = 0;
-int opt_constant_folding = 1;
-int optimized = 1;
+#include <stdio.h>
 
-/* set the flags with set_flagname, get the flag with get_flagname */
+#include "lc_opts.h"
 
-void
-set_opt_cse (int value)
-{
-  opt_cse = value;
+#include "firm_common.h"
+#include "irtools.h"
+#include "irflag_t.h"
+
+/* DISABLE - don't do this optimization
+   ENABLE  - lets see, if there is a better graph */
+#define ON	(-1)
+#define OFF  (0)
+
+#define FLAG(name, value, def)     (irf_##name & def) |
+#define E_FLAG(name, value, def)    FLAG(name, value, def)
+#define I_FLAG(name, value, def)    FLAG(name, value, def)
+#define R_FLAG(name, value)
+
+optimization_state_t libFIRM_opt =
+#include "irflag_t.def"
+  0;
+
+#undef FLAG
+#undef E_FLAG
+#undef I_FLAG
+#undef R_FLAG
+
+/** The bitset of currently running phases. */
+optimization_state_t libFIRM_running = 0;
+
+/* verbose is always off on default */
+optimization_state_t libFIRM_verb = 0;
+
+/* an external flag can be set and get from outside */
+#define E_FLAG(name, value, def)           \
+void set_opt_##name(int flag) {            \
+  if (flag) libFIRM_opt |= irf_##name;     \
+  else      libFIRM_opt &= ~irf_##name;    \
+}                                          \
+void set_opt_##name##_verbose(int flag) {  \
+  if (flag) libFIRM_verb |= irf_##name;    \
+  else      libFIRM_verb &= ~irf_##name;   \
+}                                          \
+int (get_opt_##name)(void) {               \
+  return _get_opt_##name();                \
+}
+
+/* an internal flag can only be set from outside */
+#define I_FLAG(name, value, def)          \
+void set_opt_##name(int flag) {           \
+  if (flag) libFIRM_opt |= irf_##name;    \
+  else      libFIRM_opt &= ~irf_##name;   \
+}                                         \
+void set_opt_##name##_verbose(int flag) { \
+  if (flag) libFIRM_verb |= irf_##name;   \
+  else      libFIRM_verb &= ~irf_##name;  \
+}
+
+#define R_FLAG(name, value)
+
+/* generate them */
+#include "irflag_t.def"
+
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
+
+/* for compatibility reasons */
+void set_optimize(int value) {
+	if (value) libFIRM_opt |= irf_optimize;
+	else       libFIRM_opt &= ~irf_optimize;
 }
 
-int
-get_opt_cse (void)
-{
-  return opt_cse;
+int (get_optimize)(void) {
+	return get_opt_optimize();
 }
 
-void
-set_opt_constant_folding (int value)
-{
-  opt_constant_folding=value;
+void set_opt_control_flow(int value) {
+	set_opt_control_flow_straightening(value);
+	set_opt_control_flow_weak_simplification(value);
+	set_opt_control_flow_strong_simplification(value);
 }
 
-int
-get_opt_constant_folding (void)
-{
-  return opt_constant_folding;
+/* Save the current optimization state. */
+void save_optimization_state(optimization_state_t *state) {
+	*state = libFIRM_opt;
 }
 
-void
-set_optimize (int value)
-{
-  optimized = value;
+/* Restore the current optimization state. */
+void restore_optimization_state(const optimization_state_t *state) {
+	libFIRM_opt = *state;
 }
 
-int
-get_optimize (void)
-{
-  return optimized;
+/* Switches ALL optimizations off */
+void all_optimizations_off(void) {
+	libFIRM_opt = 0;
+}
+
+#ifdef _DEBUG
+/* only for debugging */
+void firm_show_flags(FILE *f) {
+	if (! f)
+		f = stdout;
+	printf("Firm optimization state:\n");
+#define E_FLAG(name, value, def) printf(" %-20s = %s\n", #name, get_opt_##name() ? "ON" : "OFF");
+#define I_FLAG(name, value, def) printf(" %-20s = %s\n", #name, get_opt_##name() ? "ON" : "OFF");
+#define R_FLAG(name, value)      printf(" %-20s = %s\n", #name, is_##name##_running() ? "is running" : "not running");
+#include "irflag_t.def"
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
+	printf("\n");
+}
+#endif
+
+static const lc_opt_table_entry_t firm_flags[] = {
+#define I_FLAG(name, val, def) LC_OPT_ENT_BIT(#name, #name, &libFIRM_opt, (1 << val)),
+#define E_FLAG(name, val, def) LC_OPT_ENT_BIT(#name, #name, &libFIRM_opt, (1 << val)),
+#define R_FLAG(name, val)
+#include "irflag_t.def"
+#undef I_FLAG
+#undef E_FLAG
+#undef R_FLAG
+	LC_OPT_LAST
+};
+
+void firm_init_flags(void) {
+	lc_opt_entry_t *grp = lc_opt_get_grp(firm_opt_get_root(), "opt");
+	lc_opt_add_table(grp, firm_flags);
+}
+
+firm_verification_t opt_do_node_verification = FIRM_VERIFICATION_ON;
+
+void do_node_verification(firm_verification_t mode) {
+	opt_do_node_verification = mode;
 }