0
|
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, 1999, 2000, 2001, 2003,
|
|
5 2004, 2007 Free Software Foundation, Inc.
|
|
6
|
|
7 This file is part of GCC.
|
|
8
|
|
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 3, or (at your option) any later
|
|
12 version.
|
|
13
|
|
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
|
|
17 for more details.
|
|
18
|
|
19 You should have received a copy of the GNU General Public License
|
|
20 along with GCC; see the file COPYING3. If not see
|
|
21 <http://www.gnu.org/licenses/>. */
|
|
22
|
|
23
|
|
24 #include "bconfig.h"
|
|
25 #include "system.h"
|
|
26 #include "coretypes.h"
|
|
27 #include "tm.h"
|
|
28 #include "rtl.h"
|
|
29 #include "errors.h"
|
|
30 #include "gensupport.h"
|
|
31
|
|
32 static void
|
|
33 gen_insn (rtx insn, int code)
|
|
34 {
|
|
35 const char *name = XSTR (insn, 0);
|
|
36 int truth = maybe_eval_c_test (XSTR (insn, 2));
|
|
37
|
|
38 /* Don't mention instructions whose names are the null string
|
|
39 or begin with '*'. They are in the machine description just
|
|
40 to be recognized. */
|
|
41 if (name[0] != 0 && name[0] != '*')
|
|
42 {
|
|
43 if (truth == 0)
|
|
44 printf ("#define CODE_FOR_%s CODE_FOR_nothing\n", name);
|
|
45 else
|
|
46 printf (" CODE_FOR_%s = %d,\n", name, code);
|
|
47 }
|
|
48 }
|
|
49
|
|
50 int
|
|
51 main (int argc, char **argv)
|
|
52 {
|
|
53 rtx desc;
|
|
54
|
|
55 progname = "gencodes";
|
|
56
|
|
57 /* We need to see all the possibilities. Elided insns may have
|
|
58 direct references to CODE_FOR_xxx in C code. */
|
|
59 insn_elision = 0;
|
|
60
|
|
61 if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
|
|
62 return (FATAL_EXIT_CODE);
|
|
63
|
|
64 puts ("\
|
|
65 /* Generated automatically by the program `gencodes'\n\
|
|
66 from the machine description file `md'. */\n\
|
|
67 \n\
|
|
68 #ifndef GCC_INSN_CODES_H\n\
|
|
69 #define GCC_INSN_CODES_H\n\
|
|
70 \n\
|
|
71 enum insn_code {");
|
|
72
|
|
73 /* Read the machine description. */
|
|
74
|
|
75 while (1)
|
|
76 {
|
|
77 int line_no;
|
|
78 int insn_code_number;
|
|
79
|
|
80 desc = read_md_rtx (&line_no, &insn_code_number);
|
|
81 if (desc == NULL)
|
|
82 break;
|
|
83
|
|
84 if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
|
|
85 gen_insn (desc, insn_code_number);
|
|
86 }
|
|
87
|
|
88 puts (" CODE_FOR_nothing\n\
|
|
89 };\n\
|
|
90 \n\
|
|
91 #endif /* GCC_INSN_CODES_H */");
|
|
92
|
|
93 if (ferror (stdout) || fflush (stdout) || fclose (stdout))
|
|
94 return FATAL_EXIT_CODE;
|
|
95
|
|
96 return SUCCESS_EXIT_CODE;
|
|
97 }
|