gcc/gcc/params.c
Kaveh R. Ghazi d3bfe4decc driver-i386.c (detect_caches_amd, [...]): Fix -Wc++-compat and/or -Wcast-qual warnings.
* config/i386/driver-i386.c (detect_caches_amd,
	detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
	and/or -Wcast-qual warnings.
	*ggc-common.c (ggc_mark_roots, gt_pch_note_object,
	gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
	gt_pch_save): Likewise.
	* ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
	gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
	* global.c (compute_regsets): Likewise.
	* graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
	finish_graph_dump_file): Likewise.
	* haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
	unlink_bb_notes): Likewise.
	* integrate.c (get_hard_reg_initial_val): Likewise.
	* ipa-prop.c (ipa_push_func_to_list): Likewise.
	* ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* loop-invariant.c (check_invariant_table_size,
	hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
	Likewise.
	* loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
	altered_reg_used, mark_altered): Likewise.
	* loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
	insert_var_expansion_initialization,
	combine_var_copies_in_loop_exit, apply_opt_in_copies,
	release_var_copies): Likewise.
	* matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
	analyze_matrix_decl, add_allocation_site, analyze_transpose,
	analyze_accesses_for_phi_node, check_var_notmodified_p,
	check_allocation_function, find_sites_in_func,
	record_all_accesses_in_func, transform_access_sites,
	transform_allocation_sites): Likewise.
	* omp-low.c (new_omp_region, create_omp_child_function_name,
	check_omp_nesting_restrictions, check_combined_parallel,
	lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
	* optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
	gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
	gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
	Likewise.
	* opts-common.c (prune_options): Likewise.
	* opts.c (add_input_filename, print_filtered_help,
	get_option_state): Likewise.
	* params.c (add_params): Likewise.
	* passes.c (set_pass_for_id, next_pass_1,
	do_per_function_toporder, pass_fini_dump_file): Likewise.
	* postreload.c (reload_cse_simplify_operands): Likewise.
	* predict.c (tree_predicted_by_p, tree_predict_edge,
	clear_bb_predictions, combine_predictions_for_bb): Likewise.

From-SVN: r137134
2008-06-26 00:18:25 +00:00

87 lines
2.5 KiB
C

/* params.c - Run-time parameters.
Copyright (C) 2001, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.com>.
This file is part of GCC.
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.
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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "params.h"
#include "toplev.h"
/* An array containing the compiler parameters and their current
values. */
param_info *compiler_params;
/* The number of entries in the table. */
static size_t num_compiler_params;
/* Add the N PARAMS to the current list of compiler parameters. */
void
add_params (const param_info params[], size_t n)
{
/* Allocate enough space for the new parameters. */
compiler_params = XRESIZEVEC (param_info, compiler_params,
num_compiler_params + n);
/* Copy them into the table. */
memcpy (compiler_params + num_compiler_params,
params,
n * sizeof (param_info));
/* Keep track of how many parameters we have. */
num_compiler_params += n;
}
/* Set the VALUE associated with the parameter given by NAME. */
void
set_param_value (const char *name, int value)
{
size_t i;
/* Make sure nobody tries to set a parameter to an invalid value. */
gcc_assert (value != INVALID_PARAM_VAL);
/* Scan the parameter table to find a matching entry. */
for (i = 0; i < num_compiler_params; ++i)
if (strcmp (compiler_params[i].option, name) == 0)
{
if (value < compiler_params[i].min_value)
error ("minimum value of parameter %qs is %u",
compiler_params[i].option,
compiler_params[i].min_value);
else if (compiler_params[i].max_value > compiler_params[i].min_value
&& value > compiler_params[i].max_value)
error ("maximum value of parameter %qs is %u",
compiler_params[i].option,
compiler_params[i].max_value);
else
{
compiler_params[i].value = value;
compiler_params[i].set = true;
}
return;
}
/* If we didn't find this parameter, issue an error message. */
error ("invalid parameter %qs", name);
}