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36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/* Exported functions from alias.c
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef GCC_ALIAS_H
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#define GCC_ALIAS_H
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extern HOST_WIDE_INT new_alias_set (void);
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extern HOST_WIDE_INT get_varargs_alias_set (void);
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extern HOST_WIDE_INT get_frame_alias_set (void);
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extern bool component_uses_parent_alias_set (tree);
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/* This alias set can be used to force a memory to conflict with all
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other memories, creating a barrier across which no memory reference
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can move. Note that there are other legacy ways to create such
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memory barriers, including an address of SCRATCH. */
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#define ALIAS_SET_MEMORY_BARRIER ((HOST_WIDE_INT) -1)
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#endif /* GCC_ALIAS_H */
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