1/* Generate attribute information shared between driver and core
2   compilers (insn-attr-common.h) from machine description.  Split out
3   of genattr.c.
4   Copyright (C) 1991-2015 Free Software Foundation, Inc.
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 3, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING3.  If not see
20<http://www.gnu.org/licenses/>.  */
21
22
23#include "bconfig.h"
24#include "system.h"
25#include "coretypes.h"
26#include "tm.h"
27#include "rtl.h"
28#include "errors.h"
29#include "read-md.h"
30#include "gensupport.h"
31
32static void
33write_upcase (const char *str)
34{
35  for (; *str; str++)
36    putchar (TOUPPER (*str));
37}
38
39static void
40gen_attr (rtx attr)
41{
42  const char *p, *tag;
43
44  p = XSTR (attr, 1);
45  if (*p != '\0')
46    {
47      printf ("enum attr_%s {", XSTR (attr, 0));
48
49      while ((tag = scan_comma_elt (&p)) != 0)
50	{
51	  write_upcase (XSTR (attr, 0));
52	  putchar ('_');
53	  while (tag != p)
54	    putchar (TOUPPER (*tag++));
55	  if (*p == ',')
56	    fputs (", ", stdout);
57	}
58      fputs ("};\n", stdout);
59    }
60}
61
62int
63main (int argc, char **argv)
64{
65  rtx desc;
66  bool have_delay = false;
67  bool have_sched = false;
68
69  progname = "genattr-common";
70
71  if (!init_rtx_reader_args (argc, argv))
72    return (FATAL_EXIT_CODE);
73
74  puts ("/* Generated automatically by the program `genattr-common'");
75  puts ("   from the machine description file `md'.  */\n");
76  puts ("#ifndef GCC_INSN_ATTR_COMMON_H");
77  puts ("#define GCC_INSN_ATTR_COMMON_H\n");
78
79  /* Read the machine description.  */
80
81  while (1)
82    {
83      int line_no, insn_code_number;
84
85      desc = read_md_rtx (&line_no, &insn_code_number);
86      if (desc == NULL)
87	break;
88
89      if (GET_CODE (desc) == DEFINE_ATTR)
90	gen_attr (desc);
91
92      if (GET_CODE (desc) == DEFINE_DELAY)
93        {
94	  if (!have_delay)
95	    {
96	      printf ("#define DELAY_SLOTS\n");
97	      have_delay = true;
98	    }
99	}
100      else if (GET_CODE (desc) == DEFINE_INSN_RESERVATION)
101	{
102	  if (!have_sched)
103	    {
104	      printf ("#define INSN_SCHEDULING\n");
105	      have_sched = true;
106	    }
107	}
108    }
109  puts ("\n#endif /* GCC_INSN_ATTR_COMMON_H */");
110
111  if (ferror (stdout) || fflush (stdout) || fclose (stdout))
112    return FATAL_EXIT_CODE;
113
114  return SUCCESS_EXIT_CODE;
115}
116