gcc/dummy-conditions.c

   1 /* Support for calculating constant conditions.
   2    Copyright (C) 2002, 2004 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    GCC is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    GCC is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GCC; see the file COPYING.  If not, write to
  18    the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  19    Boston, MA 02110-1301, USA.  */
  20
  21 #include <stddef.h>  /* for size_t */
  22
  23 /* MD generators that are run before insn-conditions.c exists should
  24    link against this file instead.  Currently that is genconditions
  25    and genconstants.  */
  26
  27 /* In order to avoid dragging in all the headers that are needed to
  28    declare things that gensupport.h uses, we duplicate the declaration
  29    of struct c_test here.  (In particular we do not want to have to
  30    include tm.h nor rtl.h in this file.)  */
  31 struct c_test
  32 {
  33   const char *expr;
  34   int value;
  35 };
  36
  37 /* Empty conditions table to prevent link errors.  */
  38 const struct c_test insn_conditions[1] = { { 0, 0 } };
  39 const size_t n_insn_conditions = 0;
  40
  41 /* Disable insn elision, since it is currently impossible.  */
  42 const int insn_elision_unavailable = 1;