gcc/gcc/params.c

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/* params.c - Run-time parameters.
attribs.c, [...]: Update copyright. * attribs.c, c-pragma.c, caller-save.c, cfghooks.h, coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c, errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c, genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def, integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c, machmode.def, mips-tfile.c, params.c, pretty-print.c, print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h, tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c, config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md, config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h, config/i386/cygming.h, config/i386/djgpp.h, config/i386/lynx.h, config/i386/netware.c, config/i386/winnt.c, config/ia64/ia64-c.c, config/iq2000/iq2000.c, config/m32r/little.h, config/m68k/m68k-protos.h, config/m68k/m68k.h, config/m68k/m68k.md, config/mcore/mcore.c, config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md, config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c, config/mn10300/mn10300.h, config/ns32k/netbsd.h, config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa-hpux11.h, config/pdp11/pdp11.c, config/pdp11/pdp11.h, config/rs6000/darwin.h, config/rs6000/default64.h, config/rs6000/rs6000-c.c, config/s390/2064.md, config/s390/2084.md, config/s390/s390-modes.def, config/s390/s390-protos.h, config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c, config/stormy16/stormy16.c, config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h, config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update copyright. From-SVN: r98914
2005-04-28 07:38:50 +02:00
Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.com>.
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
This file is part of GCC.
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
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 2, or (at your option) any later
version.
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
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
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
along with GCC; see the file COPYING. If not, write to the Free
2005-06-25 04:02:01 +02:00
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#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 = xrealloc (compiler_params,
(num_compiler_params + n) * sizeof (param_info));
/* 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
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{
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);
}