Implemented project structure

xpack-riscv-none-elf-gcc-13.4.0-1/lib/gcc/riscv-none-elf/13.4.0/plugin/include/gcse.h

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+/* Global common subexpression elimination/Partial redundancy elimination
+   and global constant/copy propagation for GNU compiler.
+   Copyright (C) 1997-2023 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 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
+
+void gcse_cc_finalize (void);
+extern bool gcse_or_cprop_is_too_expensive (const char *);
+
+#endif