47eb5b329b
* params.c (set_param_value): Initialize the "set" field. * params.h (struct param_info): Add "set" field. (PARAM_SET_P): New macro. (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE, L1_CACHE_LINE_SIZE): New macros. * toplev.c (DEFPARAM): Initialize the "set" field. * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES): Removed. (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE. (tree_ssa_prefetch_arrays): Dump the values of the parameters. * config/sparc/sparc.c: Include params.h. (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters. * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Removed. * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Removed. * config/i386/i386.c: Include params.h. (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES. (override_options): Set SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters. * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed. (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters. * config/ia64/ia64.c (ia64_optimization_options): Set SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters. * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK): Removed. * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES, PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params. * doc/invoke.texi: Document new params. From-SVN: r118728
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/* params.c - Run-time parameters.
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Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
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Written by Mark Mitchell <mark@codesourcery.com>.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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*/
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "params.h"
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#include "toplev.h"
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/* An array containing the compiler parameters and their current
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values. */
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param_info *compiler_params;
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/* The number of entries in the table. */
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static size_t num_compiler_params;
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/* Add the N PARAMS to the current list of compiler parameters. */
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void
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add_params (const param_info params[], size_t n)
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{
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/* Allocate enough space for the new parameters. */
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compiler_params = xrealloc (compiler_params,
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(num_compiler_params + n) * sizeof (param_info));
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/* Copy them into the table. */
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memcpy (compiler_params + num_compiler_params,
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params,
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n * sizeof (param_info));
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/* Keep track of how many parameters we have. */
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num_compiler_params += n;
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}
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/* Set the VALUE associated with the parameter given by NAME. */
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void
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set_param_value (const char *name, int value)
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{
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size_t i;
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/* Make sure nobody tries to set a parameter to an invalid value. */
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gcc_assert (value != INVALID_PARAM_VAL);
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/* Scan the parameter table to find a matching entry. */
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for (i = 0; i < num_compiler_params; ++i)
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if (strcmp (compiler_params[i].option, name) == 0)
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{
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if (value < compiler_params[i].min_value)
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error ("minimum value of parameter %qs is %u",
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compiler_params[i].option,
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compiler_params[i].min_value);
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else if (compiler_params[i].max_value > compiler_params[i].min_value
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&& value > compiler_params[i].max_value)
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error ("maximum value of parameter %qs is %u",
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compiler_params[i].option,
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compiler_params[i].max_value);
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else
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{
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compiler_params[i].value = value;
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compiler_params[i].set = true;
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}
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return;
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}
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/* If we didn't find this parameter, issue an error message. */
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error ("invalid parameter %qs", name);
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}
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