xref: /dragonfly/contrib/gcc-8.0/gcc/genmddump.c (revision 63e03116)
1 /* Generate code from machine description to recognize rtl as insns.
2    Copyright (C) 1987-2018 Free Software Foundation, Inc.
3 
4    This file is part of GCC.
5 
6    GCC is free software; you can redistribute it and/or modify it
7    under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3, or (at your option)
9    any later version.
10 
11    GCC is distributed in the hope that it will be useful, but WITHOUT
12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
14    License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with GCC; see the file COPYING3.  If not see
18    <http://www.gnu.org/licenses/>.  */
19 
20 
21 /* This program is used to produce tmp-mddump.md, which represents
22    md-file with expanded iterators and after define_subst transformation
23    is performed.
24 
25    The only argument of the program is a source md-file (e.g.
26    config/i386/i386.md).  STDERR is used for the program output.  */
27 
28 #include "bconfig.h"
29 #include "system.h"
30 #include "coretypes.h"
31 #include "tm.h"
32 #include "rtl.h"
33 #include "errors.h"
34 #include "read-md.h"
35 #include "gensupport.h"
36 
37 
38 extern int main (int, const char **);
39 
40 int
41 main (int argc, const char **argv)
42 {
43   progname = "genmddump";
44 
45   if (!init_rtx_reader_args (argc, argv))
46     return (FATAL_EXIT_CODE);
47 
48   /* Read the machine description.  */
49   md_rtx_info info;
50   while (read_md_rtx (&info))
51     {
52       printf (";; %s: %d\n", info.loc.filename, info.loc.lineno);
53       print_inline_rtx (stdout, info.def, 0);
54       printf ("\n\n");
55     }
56 
57   fflush (stdout);
58   return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
59 }
60