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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [genconstants.c] - Blame information for rev 816

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1 38 julius
/* Generate from machine description:
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   a series of #define statements, one for each constant named in
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   a (define_constants ...) pattern.
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   Copyright (C) 1987, 1991, 1995, 1998, 1999, 2000, 2001, 2003, 2004,
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   2007  Free Software Foundation, Inc.
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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
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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 3, or (at your option)
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any later version.
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GCC 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 GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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/* This program does not use gensupport.c because it does not need to
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   look at insn patterns, only (define_constants), and we want to
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   minimize dependencies.  */
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#include "bconfig.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 "rtl.h"
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#include "errors.h"
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#include "gensupport.h"
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/* Called via traverse_md_constants; emit a #define for
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   the current constant definition.  */
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static int
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print_md_constant (void **slot, void *info)
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{
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  struct md_constant *def = (struct md_constant *) *slot;
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  FILE *file = (FILE *) info;
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  fprintf (file, "#define %s %s\n", def->name, def->value);
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  return 1;
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}
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int
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main (int argc, char **argv)
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{
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  progname = "genconstants";
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  if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
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    return (FATAL_EXIT_CODE);
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  /* Initializing the MD reader has the side effect of loading up
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     the constants table that we wish to scan.  */
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  puts ("/* Generated automatically by the program `genconstants'");
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  puts ("   from the machine description file `md'.  */\n");
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  puts ("#ifndef GCC_INSN_CONSTANTS_H");
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  puts ("#define GCC_INSN_CONSTANTS_H\n");
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  traverse_md_constants (print_md_constant, stdout);
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  puts ("\n#endif /* GCC_INSN_CONSTANTS_H */");
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  if (ferror (stdout) || fflush (stdout) || fclose (stdout))
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    return FATAL_EXIT_CODE;
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  return SUCCESS_EXIT_CODE;
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}

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