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) 1987-2022 Free Software Foundation, Inc.
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
25 #include "coretypes.h"
29 #include "gensupport.h"
32 gen_insn (md_rtx_info *info)
34 const char *name = XSTR (info->def, 0);
35 int truth = maybe_eval_c_test (XSTR (info->def, 2));
37 /* Don't mention instructions whose names are the null string
38 or begin with '*'. They are in the machine description just
40 if (name[0] != 0 && name[0] != '*')
43 printf (",\n CODE_FOR_%s = CODE_FOR_nothing", name);
45 printf (",\n CODE_FOR_%s = %d", name, info->index);
50 main (int argc, const char **argv)
52 progname = "gencodes";
54 /* We need to see all the possibilities. Elided insns may have
55 direct references to CODE_FOR_xxx in C code. */
58 if (!init_rtx_reader_args (argc, argv))
59 return (FATAL_EXIT_CODE);
62 /* Generated automatically by the program `gencodes'\n\
63 from the machine description file `md'. */\n\
65 #ifndef GCC_INSN_CODES_H\n\
66 #define GCC_INSN_CODES_H\n\
69 CODE_FOR_nothing = 0");
71 /* Read the machine description. */
74 while (read_md_rtx (&info))
75 switch (GET_CODE (info.def))
88 const unsigned int NUM_INSN_CODES = %d;\n\
89 #endif /* GCC_INSN_CODES_H */\n", get_num_insn_codes ());
91 if (ferror (stdout) || fflush (stdout) || fclose (stdout))
92 return FATAL_EXIT_CODE;
94 return SUCCESS_EXIT_CODE;