| /* Generate from machine description: |
| - some macros CODE_FOR_... giving the insn_code_number value |
| for each of the defined standard insn names. |
| Copyright (C) 1987-2020 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| |
| #include "bconfig.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "tm.h" |
| #include "rtl.h" |
| #include "errors.h" |
| #include "gensupport.h" |
| |
| static void |
| gen_insn (md_rtx_info *info) |
| { |
| const char *name = XSTR (info->def, 0); |
| int truth = maybe_eval_c_test (XSTR (info->def, 2)); |
| |
| /* Don't mention instructions whose names are the null string |
| or begin with '*'. They are in the machine description just |
| to be recognized. */ |
| if (name[0] != 0 && name[0] != '*') |
| { |
| if (truth == 0) |
| printf (",\n CODE_FOR_%s = CODE_FOR_nothing", name); |
| else |
| printf (",\n CODE_FOR_%s = %d", name, info->index); |
| } |
| } |
| |
| int |
| main (int argc, const char **argv) |
| { |
| progname = "gencodes"; |
| |
| /* We need to see all the possibilities. Elided insns may have |
| direct references to CODE_FOR_xxx in C code. */ |
| insn_elision = 0; |
| |
| if (!init_rtx_reader_args (argc, argv)) |
| return (FATAL_EXIT_CODE); |
| |
| printf ("\ |
| /* Generated automatically by the program `gencodes'\n\ |
| from the machine description file `md'. */\n\ |
| \n\ |
| #ifndef GCC_INSN_CODES_H\n\ |
| #define GCC_INSN_CODES_H\n\ |
| \n\ |
| enum insn_code {\n\ |
| CODE_FOR_nothing = 0"); |
| |
| /* Read the machine description. */ |
| |
| md_rtx_info info; |
| while (read_md_rtx (&info)) |
| switch (GET_CODE (info.def)) |
| { |
| case DEFINE_INSN: |
| case DEFINE_EXPAND: |
| gen_insn (&info); |
| break; |
| |
| default: |
| break; |
| } |
| |
| printf ("\n};\n\ |
| \n\ |
| const unsigned int NUM_INSN_CODES = %d;\n\ |
| #endif /* GCC_INSN_CODES_H */\n", get_num_insn_codes ()); |
| |
| if (ferror (stdout) || fflush (stdout) || fclose (stdout)) |
| return FATAL_EXIT_CODE; |
| |
| return SUCCESS_EXIT_CODE; |
| } |