projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| e73cf9a2 TP |
1 | /* Prototypes of memory model helper functions. |
| 2 | Copyright (C) 2015-2016 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GCC. | |
| 5 | ||
| 6 | GCC is free software; you can redistribute it and/or modify it under | |
| 7 | the terms of the GNU General Public License as published by the Free | |
| 8 | Software Foundation; either version 3, or (at your option) any later | |
| 9 | version. | |
| 10 | ||
| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with GCC; see the file COPYING3. If not see | |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 19 | ||
| 20 | #ifndef GCC_MEMMODEL_H | |
| 21 | #define GCC_MEMMODEL_H | |
| 22 | ||
| 23 | /* Return the memory model from a host integer. */ | |
| 24 | static inline enum memmodel | |
| 25 | memmodel_from_int (unsigned HOST_WIDE_INT val) | |
| 26 | { | |
| 27 | return (enum memmodel) (val & MEMMODEL_MASK); | |
| 28 | } | |
| 29 | ||
| 30 | /* Return the base memory model from a host integer. */ | |
| 31 | static inline enum memmodel | |
| 32 | memmodel_base (unsigned HOST_WIDE_INT val) | |
| 33 | { | |
| 34 | return (enum memmodel) (val & MEMMODEL_BASE_MASK); | |
| 35 | } | |
| 36 | ||
| 37 | /* Return TRUE if the memory model is RELAXED. */ | |
| 38 | static inline bool | |
| 39 | is_mm_relaxed (enum memmodel model) | |
| 40 | { | |
| 41 | return (model & MEMMODEL_BASE_MASK) == MEMMODEL_RELAXED; | |
| 42 | } | |
| 43 | ||
| 44 | /* Return TRUE if the memory model is CONSUME. */ | |
| 45 | static inline bool | |
| 46 | is_mm_consume (enum memmodel model) | |
| 47 | { | |
| 48 | return (model & MEMMODEL_BASE_MASK) == MEMMODEL_CONSUME; | |
| 49 | } | |
| 50 | ||
| 51 | /* Return TRUE if the memory model is ACQUIRE. */ | |
| 52 | static inline bool | |
| 53 | is_mm_acquire (enum memmodel model) | |
| 54 | { | |
| 55 | return (model & MEMMODEL_BASE_MASK) == MEMMODEL_ACQUIRE; | |
| 56 | } | |
| 57 | ||
| 58 | /* Return TRUE if the memory model is RELEASE. */ | |
| 59 | static inline bool | |
| 60 | is_mm_release (enum memmodel model) | |
| 61 | { | |
| 62 | return (model & MEMMODEL_BASE_MASK) == MEMMODEL_RELEASE; | |
| 63 | } | |
| 64 | ||
| 65 | /* Return TRUE if the memory model is ACQ_REL. */ | |
| 66 | static inline bool | |
| 67 | is_mm_acq_rel (enum memmodel model) | |
| 68 | { | |
| 69 | return (model & MEMMODEL_BASE_MASK) == MEMMODEL_ACQ_REL; | |
| 70 | } | |
| 71 | ||
| 72 | /* Return TRUE if the memory model is SEQ_CST. */ | |
| 73 | static inline bool | |
| 74 | is_mm_seq_cst (enum memmodel model) | |
| 75 | { | |
| 76 | return (model & MEMMODEL_BASE_MASK) == MEMMODEL_SEQ_CST; | |
| 77 | } | |
| 78 | ||
| 79 | /* Return TRUE if the memory model is a SYNC variant. */ | |
| 80 | static inline bool | |
| 81 | is_mm_sync (enum memmodel model) | |
| 82 | { | |
| 83 | return (model & MEMMODEL_SYNC); | |
| 84 | } | |
| 85 | ||
| 86 | #endif /* GCC_MEMMODEL_H */ |