e16acfcd14
* params.c (set_param_value): Use gcc_assert & gcc_unreachable. * passes.c (open_dump_file, rest_of_handle_final): Likewise. * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p, hash_scan_set, reg_set_between_after_reload_p, reg_used_between_after_reload_p, get_avail_load_store_reg, eliminate_partially_redundant_load): Likewise. * postreload.c (reload_cse_simplify_set, reload_combine_note_use): Likewise. * predict.c (predict_insn, expected_value_to_br_prob, propagate_freq, expensive_function_p): Likewise. * print-rtl.c (print_rtx): Likewise. * profile.c (instrument_edges, instrument_values, compute_branch_probabilities, branch_prob, union_groups, tree_register_profile_hooks, rtl_register_profile_hooks): Likewise. * protoize.c (in_system_include_dir, file_could_be_converted, file_normally_convertible, gen_aux_info_file, seek_to_line, do_cleaning): Likewise. * tree-ssa-alias.c (collect_points_to_info_r): Likewise. * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise. * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise. From-SVN: r97485
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/* params.c - Run-time parameters.
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Copyright (C) 2001, 2003, 2004 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, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, 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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compiler_params[i].value = value;
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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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