96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/* Generate from machine description:
|
|
- some macros CODE_FOR_... giving the insn_code_number value
|
|
for each of the defined standard insn names.
|
|
Copyright (C) 1987-2019 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;
|
|
}
|