111
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1 /* Generate attribute information shared between driver and core
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2 compilers (insn-attr-common.h) from machine description. Split out
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3 of genattr.c.
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131
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4 Copyright (C) 1991-2018 Free Software Foundation, Inc.
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111
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22
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23 #include "bconfig.h"
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24 #include "system.h"
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25 #include "coretypes.h"
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26 #include "tm.h"
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27 #include "rtl.h"
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28 #include "errors.h"
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29 #include "read-md.h"
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30 #include "gensupport.h"
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31
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32 static void
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33 write_upcase (const char *str)
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34 {
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35 for (; *str; str++)
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36 putchar (TOUPPER (*str));
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37 }
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38
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39 static void
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40 gen_attr (md_rtx_info *info)
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41 {
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42 const char *p, *tag;
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43
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44 rtx attr = info->def;
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45 p = XSTR (attr, 1);
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46 if (*p != '\0')
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47 {
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48 printf ("enum attr_%s {", XSTR (attr, 0));
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49
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50 while ((tag = scan_comma_elt (&p)) != 0)
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51 {
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52 write_upcase (XSTR (attr, 0));
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53 putchar ('_');
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54 while (tag != p)
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55 putchar (TOUPPER (*tag++));
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56 if (*p == ',')
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57 fputs (", ", stdout);
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58 }
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59 fputs ("};\n", stdout);
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60 }
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61 }
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62
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63 int
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64 main (int argc, const char **argv)
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65 {
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66 bool have_delay = false;
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67 bool have_sched = false;
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68
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69 progname = "genattr-common";
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70
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71 if (!init_rtx_reader_args (argc, argv))
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72 return (FATAL_EXIT_CODE);
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73
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74 puts ("/* Generated automatically by the program `genattr-common'");
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75 puts (" from the machine description file `md'. */\n");
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76 puts ("#ifndef GCC_INSN_ATTR_COMMON_H");
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77 puts ("#define GCC_INSN_ATTR_COMMON_H\n");
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78
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79 /* Read the machine description. */
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80
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81 md_rtx_info info;
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82 while (read_md_rtx (&info))
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83 switch (GET_CODE (info.def))
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84 {
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85 case DEFINE_ATTR:
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86 gen_attr (&info);
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87 break;
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88
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89 case DEFINE_DELAY:
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90 have_delay = true;
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91 break;
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92
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93 case DEFINE_INSN_RESERVATION:
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94 if (!have_sched)
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95 {
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96 printf ("#define INSN_SCHEDULING\n");
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97 have_sched = true;
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98 }
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99 break;
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100
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101 default:
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102 break;
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103 }
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104
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105 printf ("#define DELAY_SLOTS %d\n", have_delay);
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106 puts ("\n#endif /* GCC_INSN_ATTR_COMMON_H */");
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107
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108 if (ferror (stdout) || fflush (stdout) || fclose (stdout))
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109 return FATAL_EXIT_CODE;
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110
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111 return SUCCESS_EXIT_CODE;
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112 }
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