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, 2003, 2004 Free Software Foundation, Inc.
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free
11 Software Foundation; either version 2, or (at your option) any later
14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING. If not, write to the Free
21 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
27 #include "coretypes.h"
31 #include "gensupport.h"
34 gen_insn (rtx insn, int code)
36 const char *name = XSTR (insn, 0);
37 int truth = maybe_eval_c_test (XSTR (insn, 2));
39 /* Don't mention instructions whose names are the null string
40 or begin with '*'. They are in the machine description just
42 if (name[0] != 0 && name[0] != '*')
45 printf ("#define CODE_FOR_%s CODE_FOR_nothing\n", name);
47 printf (" CODE_FOR_%s = %d,\n", name, code);
52 main (int argc, char **argv)
56 progname = "gencodes";
58 /* We need to see all the possibilities. Elided insns may have
59 direct references to CODE_FOR_xxx in C code. */
62 if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
63 return (FATAL_EXIT_CODE);
66 /* Generated automatically by the program `gencodes'\n\
67 from the machine description file `md'. */\n\
69 #ifndef GCC_INSN_CODES_H\n\
70 #define GCC_INSN_CODES_H\n\
74 /* Read the machine description. */
81 desc = read_md_rtx (&line_no, &insn_code_number);
85 if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
86 gen_insn (desc, insn_code_number);
89 puts (" CODE_FOR_nothing\n\
92 #endif /* GCC_INSN_CODES_H */");
94 if (ferror (stdout) || fflush (stdout) || fclose (stdout))
95 return FATAL_EXIT_CODE;
97 return SUCCESS_EXIT_CODE;