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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/gencodes.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/gencodes.c')
-rw-r--r-- | gcc-4.9/gcc/gencodes.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/gencodes.c b/gcc-4.9/gcc/gencodes.c new file mode 100644 index 000000000..b34381f92 --- /dev/null +++ b/gcc-4.9/gcc/gencodes.c @@ -0,0 +1,97 @@ +/* Generate from machine description: + - some macros CODE_FOR_... giving the insn_code_number value + for each of the defined standard insn names. + Copyright (C) 1987-2014 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 (rtx insn, int code) +{ + const char *name = XSTR (insn, 0); + int truth = maybe_eval_c_test (XSTR (insn, 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 ("#define CODE_FOR_%s CODE_FOR_nothing\n", name); + else + printf (" CODE_FOR_%s = %d,\n", name, code); + } +} + +int +main (int argc, char **argv) +{ + rtx desc; + + 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); + + puts ("\ +/* 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,\n"); + + /* Read the machine description. */ + + while (1) + { + int line_no; + int insn_code_number; + + desc = read_md_rtx (&line_no, &insn_code_number); + if (desc == NULL) + break; + + if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND) + gen_insn (desc, insn_code_number); + } + + puts (" LAST_INSN_CODE\n\ +};\n\ +\n\ +#endif /* GCC_INSN_CODES_H */"); + + if (ferror (stdout) || fflush (stdout) || fclose (stdout)) + return FATAL_EXIT_CODE; + + return SUCCESS_EXIT_CODE; +} |