/* params.h - Run-time parameters.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.com>.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
-
-*/
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* This module provides a means for setting integral parameters
dynamically. Instead of encoding magic numbers in various places,
{
/* The name used with the `--param <name>=<value>' switch to set this
value. */
- const char *option;
+ const char *const option;
/* The associated value. */
int value;
+
+ /* True if the parameter was explicitly set. */
+ bool set;
+
+ /* Minimum acceptable value. */
+ int min_value;
+
+ /* Maximum acceptable value, if greater than minimum */
+ int max_value;
+
/* A short description of the option. */
- const char *help;
+ const char *const help;
} param_info;
/* An array containing the compiler parameters and their current
/* Add the N PARAMS to the current list of compiler parameters. */
-extern void add_params
- PARAMS ((const param_info params[], size_t n));
+extern void add_params (const param_info params[], size_t n);
/* Set the VALUE associated with the parameter given by NAME. */
-extern void set_param_value
- PARAMS ((const char *name, int value));
+extern void set_param_value (const char *name, int value);
\f
/* The parameters in use by language-independent code. */
typedef enum compiler_param
{
-#define DEFPARAM(ENUM, OPTION, HELP, DEFAULT) \
- ENUM,
+#define DEFPARAM(enumerator, option, msgid, default, min, max) \
+ enumerator,
#include "params.def"
-#undef DEFPARAM
+#undef DEFPARAM
LAST_PARAM
} compiler_param;
/* The value of the parameter given by ENUM. */
#define PARAM_VALUE(ENUM) \
(compiler_params[(int) ENUM].value)
-
+
+/* True if the value of the parameter was explicitly changed. */
+#define PARAM_SET_P(ENUM) \
+ (compiler_params[(int) ENUM].set)
+
/* Macros for the various parameters. */
+#define STRUCT_REORG_COLD_STRUCT_RATIO \
+ PARAM_VALUE (PARAM_STRUCT_REORG_COLD_STRUCT_RATIO)
+#define MAX_INLINE_INSNS_SINGLE \
+ PARAM_VALUE (PARAM_MAX_INLINE_INSNS_SINGLE)
#define MAX_INLINE_INSNS \
PARAM_VALUE (PARAM_MAX_INLINE_INSNS)
+#define MAX_INLINE_SLOPE \
+ PARAM_VALUE (PARAM_MAX_INLINE_SLOPE)
+#define MIN_INLINE_INSNS \
+ PARAM_VALUE (PARAM_MIN_INLINE_INSNS)
+#define MAX_INLINE_INSNS_AUTO \
+ PARAM_VALUE (PARAM_MAX_INLINE_INSNS_AUTO)
+#define MAX_VARIABLE_EXPANSIONS \
+ PARAM_VALUE (PARAM_MAX_VARIABLE_EXPANSIONS)
+#define MIN_VECT_LOOP_BOUND \
+ PARAM_VALUE (PARAM_MIN_VECT_LOOP_BOUND)
#define MAX_DELAY_SLOT_INSN_SEARCH \
PARAM_VALUE (PARAM_MAX_DELAY_SLOT_INSN_SEARCH)
#define MAX_DELAY_SLOT_LIVE_SEARCH \
PARAM_VALUE (PARAM_MAX_PENDING_LIST_LENGTH)
#define MAX_GCSE_MEMORY \
((size_t) PARAM_VALUE (PARAM_MAX_GCSE_MEMORY))
-#define MAX_GCSE_PASSES \
- PARAM_VALUE (PARAM_MAX_GCSE_PASSES)
+#define GCSE_AFTER_RELOAD_PARTIAL_FRACTION \
+ PARAM_VALUE (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION)
+#define GCSE_AFTER_RELOAD_CRITICAL_FRACTION \
+ PARAM_VALUE (PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION)
+#define MAX_UNROLLED_INSNS \
+ PARAM_VALUE (PARAM_MAX_UNROLLED_INSNS)
+#define MAX_SMS_LOOP_NUMBER \
+ PARAM_VALUE (PARAM_MAX_SMS_LOOP_NUMBER)
+#define SMS_MAX_II_FACTOR \
+ PARAM_VALUE (PARAM_SMS_MAX_II_FACTOR)
+#define SMS_DFA_HISTORY \
+ PARAM_VALUE (PARAM_SMS_DFA_HISTORY)
+#define SMS_LOOP_AVERAGE_COUNT_THRESHOLD \
+ PARAM_VALUE (PARAM_SMS_LOOP_AVERAGE_COUNT_THRESHOLD)
+#define INTEGER_SHARE_LIMIT \
+ PARAM_VALUE (PARAM_INTEGER_SHARE_LIMIT)
+#define MAX_LAST_VALUE_RTL \
+ PARAM_VALUE (PARAM_MAX_LAST_VALUE_RTL)
+#define MIN_VIRTUAL_MAPPINGS \
+ PARAM_VALUE (PARAM_MIN_VIRTUAL_MAPPINGS)
+#define VIRTUAL_MAPPINGS_TO_SYMS_RATIO \
+ PARAM_VALUE (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO)
+#define MAX_FIELDS_FOR_FIELD_SENSITIVE \
+ ((size_t) PARAM_VALUE (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE))
+#define MAX_SCHED_READY_INSNS \
+ PARAM_VALUE (PARAM_MAX_SCHED_READY_INSNS)
+#define PREFETCH_LATENCY \
+ PARAM_VALUE (PARAM_PREFETCH_LATENCY)
+#define SIMULTANEOUS_PREFETCHES \
+ PARAM_VALUE (PARAM_SIMULTANEOUS_PREFETCHES)
+#define L1_CACHE_SIZE \
+ PARAM_VALUE (PARAM_L1_CACHE_SIZE)
+#define L1_CACHE_LINE_SIZE \
+ PARAM_VALUE (PARAM_L1_CACHE_LINE_SIZE)
+#define L2_CACHE_SIZE \
+ PARAM_VALUE (PARAM_L2_CACHE_SIZE)
+#define USE_CANONICAL_TYPES \
+ PARAM_VALUE (PARAM_USE_CANONICAL_TYPES)
+#define IRA_MAX_LOOPS_NUM \
+ PARAM_VALUE (PARAM_IRA_MAX_LOOPS_NUM)
+#define IRA_MAX_CONFLICT_TABLE_SIZE \
+ PARAM_VALUE (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE)
+#define SWITCH_CONVERSION_BRANCH_RATIO \
+ PARAM_VALUE (PARAM_SWITCH_CONVERSION_BRANCH_RATIO)
+#define LOOP_INVARIANT_MAX_BBS_IN_LOOP \
+ PARAM_VALUE (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP)
+#define SLP_MAX_INSNS_IN_BB \
+ PARAM_VALUE (PARAM_SLP_MAX_INSNS_IN_BB)
+#define MIN_INSN_TO_PREFETCH_RATIO \
+ PARAM_VALUE (PARAM_MIN_INSN_TO_PREFETCH_RATIO)
+#define PREFETCH_MIN_INSN_TO_MEM_RATIO \
+ PARAM_VALUE (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO)
+#define MIN_NONDEBUG_INSN_UID \
+ PARAM_VALUE (PARAM_MIN_NONDEBUG_INSN_UID)
#endif /* ! GCC_PARAMS_H */
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