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, 2001 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"
31 static int insn_code_number;
33 static void gen_insn PARAMS ((rtx));
39 /* Don't mention instructions whose names are the null string
40 or begin with '*'. They are in the machine description just
42 if (XSTR (insn, 0)[0] != 0 && XSTR (insn, 0)[0] != '*')
43 printf (" CODE_FOR_%s = %d,\n", XSTR (insn, 0),
47 extern int main PARAMS ((int, char **));
56 progname = "gencodes";
59 fatal ("No input file name.");
61 if (init_md_reader (argv[1]) != SUCCESS_EXIT_CODE)
62 return (FATAL_EXIT_CODE);
64 puts ("/* Generated automatically by the program `gencodes'");
65 puts (" from the machine description file `md'. */\n");
66 puts ("#ifndef GCC_INSN_CODES_H");
67 puts ("#define GCC_INSN_CODES_H\n");
69 /* Read the machine description. */
72 printf ("enum insn_code {\n");
78 desc = read_md_rtx (&line_no, &insn_code_number);
82 if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
86 printf (" CODE_FOR_nothing = %d };\n", insn_code_number + 1);
88 printf ("\n#define MAX_INSN_CODE ((int) CODE_FOR_nothing)\n\n");
90 puts("\n#endif /* GCC_INSN_CODES_H */");
92 if (ferror (stdout) || fflush (stdout) || fclose (stdout))
93 return FATAL_EXIT_CODE;
95 return SUCCESS_EXIT_CODE;
98 /* Define this so we can link with print-rtl.o to get debug_rtx function. */
102 int code ATTRIBUTE_UNUSED;