From c9ab9ae440a8066b2c2b85b157b1fdadcf09916a Mon Sep 17 00:00:00 2001 From: obrien Date: Fri, 1 Feb 2002 18:16:02 +0000 Subject: Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0. These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST. --- contrib/gcc/params.h | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 contrib/gcc/params.h (limited to 'contrib/gcc/params.h') diff --git a/contrib/gcc/params.h b/contrib/gcc/params.h new file mode 100644 index 0000000..33eec39 --- /dev/null +++ b/contrib/gcc/params.h @@ -0,0 +1,99 @@ +/* params.h - Run-time parameters. + Copyright (C) 2001 Free Software Foundation, Inc. + Written by Mark Mitchell . + +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 2, 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 COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. + +*/ + +/* This module provides a means for setting integral parameters + dynamically. Instead of encoding magic numbers in various places, + use this module to organize all the magic numbers in a single + place. The values of the parameters can be set on the + command-line, thereby providing a way to control the amount of + effort spent on particular optimization passes, or otherwise tune + the behavior of the compiler. + + Since their values can be set on the command-line, these parameters + should not be used for non-dynamic memory allocation. */ + +#ifndef GCC_PARAMS_H +#define GCC_PARAMS_H + +/* No parameter shall have this value. */ + +#define INVALID_PARAM_VAL (-1) + +/* The information associated with each parameter. */ + +typedef struct param_info +{ + /* The name used with the `--param =' switch to set this + value. */ + const char *const option; + /* The associated value. */ + int value; + /* A short description of the option. */ + const char *const help; +} param_info; + +/* An array containing the compiler parameters and their current + values. */ + +extern param_info *compiler_params; + +/* Add the N PARAMS to the current list of compiler parameters. */ + +extern void add_params + PARAMS ((const param_info params[], size_t n)); + +/* Set the VALUE associated with the parameter given by NAME. */ + +extern void set_param_value + PARAMS ((const char *name, int value)); + + +/* The parameters in use by language-independent code. */ + +typedef enum compiler_param +{ +#define DEFPARAM(enumerator, option, msgid, default) \ + enumerator, +#include "params.def" +#undef DEFPARAM + LAST_PARAM +} compiler_param; + +/* The value of the parameter given by ENUM. */ +#define PARAM_VALUE(ENUM) \ + (compiler_params[(int) ENUM].value) + +/* Macros for the various parameters. */ +#define MAX_INLINE_INSNS \ + PARAM_VALUE (PARAM_MAX_INLINE_INSNS) +#define MAX_DELAY_SLOT_INSN_SEARCH \ + PARAM_VALUE (PARAM_MAX_DELAY_SLOT_INSN_SEARCH) +#define MAX_DELAY_SLOT_LIVE_SEARCH \ + PARAM_VALUE (PARAM_MAX_DELAY_SLOT_LIVE_SEARCH) +#define MAX_PENDING_LIST_LENGTH \ + PARAM_VALUE (PARAM_MAX_PENDING_LIST_LENGTH) +#define MAX_GCSE_MEMORY \ + ((size_t) PARAM_VALUE (PARAM_MAX_GCSE_MEMORY)) +#define MAX_GCSE_PASSES \ + PARAM_VALUE (PARAM_MAX_GCSE_PASSES) +#endif /* ! GCC_PARAMS_H */ -- cgit v1.1