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/* Exported functions from alias.c Copyright (C) 2004 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 2, 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 COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef GCC_ALIAS_H #define GCC_ALIAS_H extern HOST_WIDE_INT new_alias_set (void); extern HOST_WIDE_INT get_varargs_alias_set (void); extern HOST_WIDE_INT get_frame_alias_set (void); extern bool component_uses_parent_alias_set (tree); /* This alias set can be used to force a memory to conflict with all other memories, creating a barrier across which no memory reference can move. Note that there are other legacy ways to create such memory barriers, including an address of SCRATCH. */ #define ALIAS_SET_MEMORY_BARRIER ((HOST_WIDE_INT) -1) #endif /* GCC_ALIAS_H */