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/* Generate from machine description:
- some macros CODE_FOR_... giving the insn_code_number value
for each of the defined standard insn names.
Copyright (C) 1987-2020 Free Software Foundation, Inc.
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 3, 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 COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "bconfig.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "rtl.h"
#include "errors.h"
#include "gensupport.h"
static void
gen_insn (md_rtx_info *info)
{
const char *name = XSTR (info->def, 0);
int truth = maybe_eval_c_test (XSTR (info->def, 2));
/* Don't mention instructions whose names are the null string
or begin with '*'. They are in the machine description just
to be recognized. */
if (name[0] != 0 && name[0] != '*')
{
if (truth == 0)
printf (",\n CODE_FOR_%s = CODE_FOR_nothing", name);
else
printf (",\n CODE_FOR_%s = %d", name, info->index);
}
}
int
main (int argc, const char **argv)
{
progname = "gencodes";
/* We need to see all the possibilities. Elided insns may have
direct references to CODE_FOR_xxx in C code. */
insn_elision = 0;
if (!init_rtx_reader_args (argc, argv))
return (FATAL_EXIT_CODE);
printf ("\
/* Generated automatically by the program `gencodes'\n\
from the machine description file `md'. */\n\
\n\
#ifndef GCC_INSN_CODES_H\n\
#define GCC_INSN_CODES_H\n\
\n\
enum insn_code {\n\
CODE_FOR_nothing = 0");
/* Read the machine description. */
md_rtx_info info;
while (read_md_rtx (&info))
switch (GET_CODE (info.def))
{
case DEFINE_INSN:
case DEFINE_EXPAND:
gen_insn (&info);
break;
default:
break;
}
printf ("\n};\n\
\n\
const unsigned int NUM_INSN_CODES = %d;\n\
#endif /* GCC_INSN_CODES_H */\n", get_num_insn_codes ());
if (ferror (stdout) || fflush (stdout) || fclose (stdout))
return FATAL_EXIT_CODE;
return SUCCESS_EXIT_CODE;
}
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