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