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/* Prototypes of memory model helper functions.
Copyright (C) 2015-2016 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_MEMMODEL_H
#define GCC_MEMMODEL_H
/* Return the memory model from a host integer. */
static inline enum memmodel
memmodel_from_int (unsigned HOST_WIDE_INT val)
{
return (enum memmodel) (val & MEMMODEL_MASK);
}
/* Return the base memory model from a host integer. */
static inline enum memmodel
memmodel_base (unsigned HOST_WIDE_INT val)
{
return (enum memmodel) (val & MEMMODEL_BASE_MASK);
}
/* Return TRUE if the memory model is RELAXED. */
static inline bool
is_mm_relaxed (enum memmodel model)
{
return (model & MEMMODEL_BASE_MASK) == MEMMODEL_RELAXED;
}
/* Return TRUE if the memory model is CONSUME. */
static inline bool
is_mm_consume (enum memmodel model)
{
return (model & MEMMODEL_BASE_MASK) == MEMMODEL_CONSUME;
}
/* Return TRUE if the memory model is ACQUIRE. */
static inline bool
is_mm_acquire (enum memmodel model)
{
return (model & MEMMODEL_BASE_MASK) == MEMMODEL_ACQUIRE;
}
/* Return TRUE if the memory model is RELEASE. */
static inline bool
is_mm_release (enum memmodel model)
{
return (model & MEMMODEL_BASE_MASK) == MEMMODEL_RELEASE;
}
/* Return TRUE if the memory model is ACQ_REL. */
static inline bool
is_mm_acq_rel (enum memmodel model)
{
return (model & MEMMODEL_BASE_MASK) == MEMMODEL_ACQ_REL;
}
/* Return TRUE if the memory model is SEQ_CST. */
static inline bool
is_mm_seq_cst (enum memmodel model)
{
return (model & MEMMODEL_BASE_MASK) == MEMMODEL_SEQ_CST;
}
/* Return TRUE if the memory model is a SYNC variant. */
static inline bool
is_mm_sync (enum memmodel model)
{
return (model & MEMMODEL_SYNC);
}
#endif /* GCC_MEMMODEL_H */
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