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) 1991-2013 Free Software Foundation, Inc.
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
11 version.
12
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License
19 along 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
32 static void
write_upcase(const char * str)33 write_upcase (const char *str)
34 {
35 for (; *str; str++)
36 putchar (TOUPPER(*str));
37 }
38
39 static void
gen_attr(rtx attr)40 gen_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
62 int
main(int argc,char ** argv)63 main (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