82 lines
3.2 KiB
Modula-2
82 lines
3.2 KiB
Modula-2
/* params.def - Run-time parameters.
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Copyright (C) 2001 Free Software Foundation, Inc.
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Written by Mark Mitchell <mark@codesourcery.com>.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License 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 GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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/* This file contains definitions for language-independent
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parameters. The DEFPARAM macro takes 4 arguments:
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- The enumeral corresponding to this parameter.
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- The name that can be used to set this parameter using the
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command-line option `--param <name>=<value>'.
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- A help string explaining how the parameter is used.
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- A default value for the parameter.
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Be sure to add an entry to invoke.texi summarizing the parameter. */
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/* The maximum number of instructions accepted for inlining a
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function. Increasing values mean more agressive inlining.
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This affects currently only functions explicitly marked as
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inline (or methods defined within the class definition for C++).
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The default value of 10000 is arbitrary but high to match the
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previously unlimited gcc capabilities. */
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DEFPARAM (PARAM_MAX_INLINE_INSNS,
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"max-inline-insns",
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"The maximum number of instructions in a function that is eligible for inlining",
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10000)
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/* The maximum number of instructions to consider when looking for an
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instruction to fill a delay slot. If more than this arbitrary
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number of instructions is searched, the time savings from filling
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the delay slot will be minimal so stop searching. Increasing
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values mean more aggressive optimization, making the compile time
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increase with probably small improvement in executable run time. */
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DEFPARAM (PARAM_MAX_DELAY_SLOT_INSN_SEARCH,
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"max-delay-slot-insn-search",
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"The maximum number of instructions to consider to fill a delay slot",
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100)
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/* When trying to fill delay slots, the maximum number of instructions
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to consider when searching for a block with valid live register
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information. Increasing this arbitrarily chosen value means more
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aggressive optimization, increasing the compile time. This
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parameter should be removed when the delay slot code is rewritten
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to maintain the control-flow graph. */
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DEFPARAM(PARAM_MAX_DELAY_SLOT_LIVE_SEARCH,
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"max-delay-slot-live-search",
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"The maximum number of instructions to consider to find accurate live register information",
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333)
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/* The GCSE optimization will be disabled if it would require
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significantly more memory than this value. */
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DEFPARAM(PARAM_MAX_GCSE_MEMORY,
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"max-gcse-memory",
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"The maximum amount of memory to be allocated by GCSE",
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50 * 1024 * 1024)
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/*
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Local variables:
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mode:c
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End: */
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