1 /* Generate from machine description:
2 - some macros CODE_FOR_... giving the insn_code_number value
3 for each of the defined standard insn names.
4 Copyright (C) 1987, 1991, 1995, 1998,
5 1999, 2000 Free Software Foundation, Inc.
7 This file is part of GNU CC.
9 GNU CC is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2, or (at your option)
14 GNU CC is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GNU CC; see the file COPYING. If not, write to
21 the Free Software Foundation, 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
29 #include "gensupport.h"
32 static int insn_code_number;
34 static void gen_insn PARAMS ((rtx));
40 /* Don't mention instructions whose names are the null string
41 or begin with '*'. They are in the machine description just
43 if (XSTR (insn, 0)[0] != 0 && XSTR (insn, 0)[0] != '*')
44 printf (" CODE_FOR_%s = %d,\n", XSTR (insn, 0),
48 extern int main PARAMS ((int, char **));
57 progname = "gencodes";
60 fatal ("No input file name.");
62 if (init_md_reader (argv[1]) != SUCCESS_EXIT_CODE)
63 return (FATAL_EXIT_CODE);
65 printf ("/* Generated automatically by the program `gencodes'\n\
66 from the machine description file `md'. */\n\n");
68 printf ("#ifndef MAX_INSN_CODE\n\n");
70 /* Read the machine description. */
73 printf ("enum insn_code {\n");
79 desc = read_md_rtx (&line_no, &insn_code_number);
83 if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
87 printf (" CODE_FOR_nothing = %d };\n", insn_code_number + 1);
89 printf ("\n#define MAX_INSN_CODE ((int) CODE_FOR_nothing)\n");
91 printf ("#endif /* MAX_INSN_CODE */\n");
94 return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
97 /* Define this so we can link with print-rtl.o to get debug_rtx function. */
100 int code ATTRIBUTE_UNUSED;