* diagnostic-core.h: Include bversion.h. * toplev.h: Don't include input.h or bversion.h. (parse_optimize_options): Don't declare here. * alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c, caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c, combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c, config/host-darwin.c, config/i386/host-cygwin.c, config/i386/host-mingw32.c, config/i386/msformat-c.c, config/i386/netware.c, config/i386/nwld.c, config/i386/winnt-cxx.c, config/i386/winnt-stubs.c, config/ia64/ia64-c.c, config/m32c/m32c-pragma.c, config/mep/mep-pragma.c, config/microblaze/microblaze-c.c, config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c, config/score/score3.c, config/score/score7.c, config/sh/symbian-base.c, config/sh/symbian-c.c, config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c, config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c, cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c, fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c, graphite-blocking.c, graphite-clast-to-gimple.c, graphite-dependences.c, graphite-flattening.c, graphite-interchange.c, graphite-poly.c, graphite-scop-detection.c, graphite.c, haifa-sched.c, implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c, ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c, lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c, lto-opts.c, lto-section-in.c, lto-section-out.c, lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c, params.c, postreload-gcse.c, postreload.c, predict.c, profile.c, regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c, sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c, sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c, tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c, tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c, tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c, tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c, tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't include toplev.h. * Makefile.in (TOPLEV_H): Remove. All uses changed to use toplev.h. Dependencies for above files and c-family files changed to remove $(TOPLEV_H) or toplev.h. (C_TREE_H): Don't include $(TOPLEV_H). (DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h. Add bversion.h. * config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming, config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf, config/t-darwin, config/t-sol2, config/t-vxworks, config/v850/t-v850, config/v850/t-v850e: Dependencies for above files changed to remove $(TOPLEV_H) or toplev.h. c-family: * c-common.h (parse_optimize_options): Declare. * c-cppbuiltin.c, c-format.c, c-gimplify.c, c-lex.c, c-omp.c, c-pch.c, c-pragma.c, c-semantics.c: Don't include toplev.h. cp: * cp-gimplify.c, cp-lang.c, cvt.c, cxx-pretty-print.c, error.c, except.c, expr.c, friend.c, init.c, mangle.c, name-lookup.c, optimize.c, parser.c, rtti.c, tree.c, typeck2.c: Don't include toplev.h. * Make-lang.in: Dependencies for above files changed to remove toplev.h. java: * expr.c, lang.c, mangle.c, mangle_name.c, typeck.c, verify-glue.c: Don't include toplev.h. * Make-lang.in: Dependencies for above files changed to remove toplev.h. lto: * Make-lang.in (lto/lto-object.o): Depend on toplev.h instead of $(TOPLEV_H). From-SVN: r167293
174 lines
4.5 KiB
C
174 lines
4.5 KiB
C
/* params.c - Run-time parameters.
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Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010
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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 3, 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 COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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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 "diagnostic-core.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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/* Whether the parameters have all been initialized and had their
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default values determined. */
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static bool params_finished;
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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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gcc_assert (!params_finished);
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/* Allocate enough space for the new parameters. */
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compiler_params = XRESIZEVEC (param_info, compiler_params,
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num_compiler_params + n);
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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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/* Note that all parameters have been added and all default values
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set. */
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void
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finish_params (void)
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{
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params_finished = true;
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}
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/* Set the value of the parameter given by NUM to VALUE in PARAMS and
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PARAMS_SET. If EXPLICIT_P, this is being set by the user;
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otherwise it is being set implicitly by the compiler. */
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static void
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set_param_value_internal (compiler_param num, int value,
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int *params, int *params_set,
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bool explicit_p)
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{
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size_t i = (size_t) num;
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gcc_assert (params_finished);
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params[i] = value;
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if (explicit_p)
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params_set[i] = true;
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}
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/* Set the VALUE associated with the parameter given by NAME in PARAMS
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and PARAMS_SET. */
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void
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set_param_value (const char *name, int value,
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int *params, int *params_set)
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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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set_param_value_internal ((compiler_param) i, value,
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params, params_set, true);
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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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/* Set the value of the parameter given by NUM to VALUE in PARAMS and
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PARAMS_SET, implicitly, if it has not been set explicitly by the
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user. */
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void
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maybe_set_param_value (compiler_param num, int value,
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int *params, int *params_set)
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{
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if (!params_set[(int) num])
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set_param_value_internal (num, value, params, params_set, false);
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}
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/* Set the default value of a parameter given by NUM to VALUE, before
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option processing. */
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void
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set_default_param_value (compiler_param num, int value)
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{
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gcc_assert (!params_finished);
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compiler_params[(int) num].default_value = value;
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}
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/* Return the default value of parameter NUM. */
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int
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default_param_value (compiler_param num)
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{
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return compiler_params[(int) num].default_value;
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}
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/* Initialize an array PARAMS with default values of the
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parameters. */
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void
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init_param_values (int *params)
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{
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size_t i;
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gcc_assert (params_finished);
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for (i = 0; i < num_compiler_params; i++)
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params[i] = compiler_params[i].default_value;
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}
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/* Return the current value of num_compiler_params, for the benefit of
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plugins that use parameters as features. */
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size_t
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get_num_compiler_params (void)
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{
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return num_compiler_params;
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}
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