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 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, 59 Temple Place - Suite 330, Boston, MA
27 #include "coretypes.h"
31 #include "gensupport.h"
33 static void gen_insn PARAMS ((rtx, int));
40 const char *name = XSTR (insn, 0);
41 int truth = maybe_eval_c_test (XSTR (insn, 2));
43 /* Don't mention instructions whose names are the null string
44 or begin with '*'. They are in the machine description just
46 if (name[0] != 0 && name[0] != '*')
49 printf ("#define CODE_FOR_%s CODE_FOR_nothing\n", name);
51 printf (" CODE_FOR_%s = %d,\n", name, code);
55 extern int main PARAMS ((int, char **));
64 progname = "gencodes";
66 /* We need to see all the possibilities. Elided insns may have
67 direct references to CODE_FOR_xxx in C code. */
71 fatal ("no input file name");
73 if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
74 return (FATAL_EXIT_CODE);
77 /* Generated automatically by the program `gencodes'\n\
78 from the machine description file `md'. */\n\
80 #ifndef GCC_INSN_CODES_H\n\
81 #define GCC_INSN_CODES_H\n\
85 /* Read the machine description. */
92 desc = read_md_rtx (&line_no, &insn_code_number);
96 if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
97 gen_insn (desc, insn_code_number);
100 puts (" CODE_FOR_nothing\n\
103 #endif /* GCC_INSN_CODES_H */");
105 if (ferror (stdout) || fflush (stdout) || fclose (stdout))
106 return FATAL_EXIT_CODE;
108 return SUCCESS_EXIT_CODE;
111 /* Define this so we can link with print-rtl.o to get debug_rtx function. */
115 int code ATTRIBUTE_UNUSED;