1169689Skan/* Exported functions from alias.c 2169689Skan Copyright (C) 2004 Free Software Foundation, Inc. 3169689Skan 4169689SkanThis file is part of GCC. 5169689Skan 6169689SkanGCC is free software; you can redistribute it and/or modify it under 7169689Skanthe terms of the GNU General Public License as published by the Free 8169689SkanSoftware Foundation; either version 2, or (at your option) any later 9169689Skanversion. 10169689Skan 11169689SkanGCC is distributed in the hope that it will be useful, but WITHOUT ANY 12169689SkanWARRANTY; without even the implied warranty of MERCHANTABILITY or 13169689SkanFITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14169689Skanfor more details. 15169689Skan 16169689SkanYou should have received a copy of the GNU General Public License 17169689Skanalong with GCC; see the file COPYING. If not, write to the Free 18169689SkanSoftware Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 19169689Skan02110-1301, USA. */ 20169689Skan 21169689Skan#ifndef GCC_ALIAS_H 22169689Skan#define GCC_ALIAS_H 23169689Skan 24169689Skanextern HOST_WIDE_INT new_alias_set (void); 25169689Skanextern HOST_WIDE_INT get_varargs_alias_set (void); 26169689Skanextern HOST_WIDE_INT get_frame_alias_set (void); 27169689Skanextern bool component_uses_parent_alias_set (tree); 28169689Skan 29169689Skan/* This alias set can be used to force a memory to conflict with all 30169689Skan other memories, creating a barrier across which no memory reference 31169689Skan can move. Note that there are other legacy ways to create such 32169689Skan memory barriers, including an address of SCRATCH. */ 33169689Skan#define ALIAS_SET_MEMORY_BARRIER ((HOST_WIDE_INT) -1) 34169689Skan 35169689Skan#endif /* GCC_ALIAS_H */ 36