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+/* Global common subexpression elimination/Partial redundancy elimination
+ and global constant/copy propagation for GNU compiler.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_GCSE_H
+#define GCC_GCSE_H
+
+/* Target-dependent globals. */
+struct target_gcse {
+ /* Nonzero for each mode that supports (set (reg) (reg)).
+ This is trivially true for integer and floating point values.
+ It may or may not be true for condition codes. */
+ char x_can_copy[(int) NUM_MACHINE_MODES];
+
+ /* True if the previous field has been initialized. */
+ bool x_can_copy_init_p;
+};
+
+extern GTY(()) struct target_gcse default_target_gcse;
+#if SWITCHABLE_TARGET
+extern struct target_gcse *this_target_gcse;
+#else
+#define this_target_gcse (&default_target_gcse)
+#endif
+
+#endif